Patent
US 9,187,332GRAPHENE SHEET, GRAPHENE BASE INCLUDING THE SAME, AND METHOD OF PREPARING THE GRAPHENE SHEET
Seon-mi YOON
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,187,332Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram of an embodiment of a method of preparing a graphene sheet; [0019]
FIG. 2 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by carburization; [0020]
FIG. 3 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by deposition; [0021]
FIGS. 4A and 4B are each a diagram of an embodiment of a method of selectively preparing a graphene sheet grown directly on a substrate; [0022]
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
FIG. 6 is an optical micrograph of the graphene sheet prepared in Example 1; [0026]
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 9. Referring to
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene sheet comprising: graphene comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, wherein the graphene has an area of 1 square millimeter or greater, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805767.11.261.932.2253.1190.svg 0.86 6.64 Graph Black and white currently amended
The graphene sheet of claim 1, having a graphene coverage of about 99% or greater per 1 square millimeter area of the graphene sheet. original
The graphene sheet of claim 1, having a three-dimensional shape.
The graphene sheet of claim 1, consisting essentially of graphene. original
canceled
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, the graphene sheet comprising graphene and having about 10 or fewer wrinkles per 1,000 square millimeters of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805768.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 9, wherein the graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 9, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet. original
The graphene base of claim 9, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
A graphene sheet comprising: graphene, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805769.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white currently amended
The graphene sheet of claim 16, having an area of 1 square millimeter or greater. original
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, wherein a graphene coverage of the graphene sheet is about 99 percent or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805770.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 21, wherein the graphene sheet has an area of about 1 square millimeter or greater. original
The graphene base of claim 21, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
canceled
A graphene base comprising: a substrate; a first graphene sheet disposed on at least one surface of the substrate; a metal layer disposed on the first graphene sheet; and a second graphene sheet disposed on the metal layer, wherein at least one of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805771.13.261.1162.2249.1420.svg 0.86 6.627 Graph Black and white
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 28, wherein a graphene coverage of at least one of the first graphene sheet and the second graphene sheet is about 99 % or greater per 1 square millimeter area of the first graphene sheet or the second graphene sheet, respectively. original
The graphene base of claim 28, wherein the substrate comprises a patterned layer on at least one surface thereof.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has a pattern corresponding to the pattern of the metal layer.
The graphene base of claim 28, wherein the metal layer comprises a graphitizing catalyst.
canceled
canceled
(Withdrawn-Currently Amended) A method of preparing a graphene sheet, the method comprising: forming a carbon incorporated metal layer on at least one surface of a substrate; and thermally treating the substrate and the carbon incorporated metal layer to form first and second graphene sheets on opposite surfaces of a resulting metal layer to form a graphene sheet comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805772.20.261.2111.2249.2369.svg 0.86 6.627 Graph Black and white
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises: forming a first metal layer on at least one surface of the substrate; and carburizing the first metal layer to form the carbon incorporated metal layer. 7 YPL 0 926US SI-35202-US RD₂₀₀₉₀₆₀₀₄₁US₀ Application No. 12/915,891 Response dated: withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises simultaneously disposing a metal and carbon on at least one surface of the substrate. withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises disposing a carbide on at least one surface of the substrate. withdrawn
The method of claim 38, further comprising forming a second metal layer on the carbon incorporated metal layer. withdrawn
The method of claim 38, further comprising cooling the first and second graphene sheets at a rate of about 0.1 to about 50 ° C per minute af t er the thermally treating. withdrawn
The method of claim 38, wherein the thermally treating is performed at a temperature of about 350 to about 1,300 ° C for about 0.01 to about 1 hour. withdrawn
The method of claim 38, further comprising dry etching the first and second graphene sheets using H 2, plasma, or 02 to remove the second graphene sheet. withdrawn
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene sheet
graphene base (single graphene sheet on substrate)
graphene base (graphene/metal/graphene sandwich on substrate)
Materials described outside the worked examples.
graphene
C
carbon incorporated metal layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 20–500 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,187,332Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram of an embodiment of a method of preparing a graphene sheet; [0019]
FIG. 2 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by carburization; [0020]
FIG. 3 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by deposition; [0021]
FIGS. 4A and 4B are each a diagram of an embodiment of a method of selectively preparing a graphene sheet grown directly on a substrate; [0022]
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
FIG. 6 is an optical micrograph of the graphene sheet prepared in Example 1; [0026]
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 9. Referring to
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene sheet comprising: graphene comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, wherein the graphene has an area of 1 square millimeter or greater, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805767.11.261.932.2253.1190.svg 0.86 6.64 Graph Black and white currently amended
The graphene sheet of claim 1, having a graphene coverage of about 99% or greater per 1 square millimeter area of the graphene sheet. original
The graphene sheet of claim 1, having a three-dimensional shape.
The graphene sheet of claim 1, consisting essentially of graphene. original
canceled
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, the graphene sheet comprising graphene and having about 10 or fewer wrinkles per 1,000 square millimeters of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805768.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 9, wherein the graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 9, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet. original
The graphene base of claim 9, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
A graphene sheet comprising: graphene, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805769.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white currently amended
The graphene sheet of claim 16, having an area of 1 square millimeter or greater. original
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, wherein a graphene coverage of the graphene sheet is about 99 percent or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805770.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 21, wherein the graphene sheet has an area of about 1 square millimeter or greater. original
The graphene base of claim 21, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
canceled
A graphene base comprising: a substrate; a first graphene sheet disposed on at least one surface of the substrate; a metal layer disposed on the first graphene sheet; and a second graphene sheet disposed on the metal layer, wherein at least one of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805771.13.261.1162.2249.1420.svg 0.86 6.627 Graph Black and white
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 28, wherein a graphene coverage of at least one of the first graphene sheet and the second graphene sheet is about 99 % or greater per 1 square millimeter area of the first graphene sheet or the second graphene sheet, respectively. original
The graphene base of claim 28, wherein the substrate comprises a patterned layer on at least one surface thereof.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has a pattern corresponding to the pattern of the metal layer.
The graphene base of claim 28, wherein the metal layer comprises a graphitizing catalyst.
canceled
canceled
(Withdrawn-Currently Amended) A method of preparing a graphene sheet, the method comprising: forming a carbon incorporated metal layer on at least one surface of a substrate; and thermally treating the substrate and the carbon incorporated metal layer to form first and second graphene sheets on opposite surfaces of a resulting metal layer to form a graphene sheet comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805772.20.261.2111.2249.2369.svg 0.86 6.627 Graph Black and white
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises: forming a first metal layer on at least one surface of the substrate; and carburizing the first metal layer to form the carbon incorporated metal layer. 7 YPL 0 926US SI-35202-US RD₂₀₀₉₀₆₀₀₄₁US₀ Application No. 12/915,891 Response dated: withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises simultaneously disposing a metal and carbon on at least one surface of the substrate. withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises disposing a carbide on at least one surface of the substrate. withdrawn
The method of claim 38, further comprising forming a second metal layer on the carbon incorporated metal layer. withdrawn
The method of claim 38, further comprising cooling the first and second graphene sheets at a rate of about 0.1 to about 50 ° C per minute af t er the thermally treating. withdrawn
The method of claim 38, wherein the thermally treating is performed at a temperature of about 350 to about 1,300 ° C for about 0.01 to about 1 hour. withdrawn
The method of claim 38, further comprising dry etching the first and second graphene sheets using H 2, plasma, or 02 to remove the second graphene sheet. withdrawn
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene sheet
graphene base (single graphene sheet on substrate)
graphene base (graphene/metal/graphene sandwich on substrate)
Materials described outside the worked examples.
graphene
C
carbon incorporated metal layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 20–500 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,187,332Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram of an embodiment of a method of preparing a graphene sheet; [0019]
FIG. 2 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by carburization; [0020]
FIG. 3 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by deposition; [0021]
FIGS. 4A and 4B are each a diagram of an embodiment of a method of selectively preparing a graphene sheet grown directly on a substrate; [0022]
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
FIG. 6 is an optical micrograph of the graphene sheet prepared in Example 1; [0026]
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 9. Referring to
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene sheet comprising: graphene comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, wherein the graphene has an area of 1 square millimeter or greater, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805767.11.261.932.2253.1190.svg 0.86 6.64 Graph Black and white currently amended
The graphene sheet of claim 1, having a graphene coverage of about 99% or greater per 1 square millimeter area of the graphene sheet. original
The graphene sheet of claim 1, having a three-dimensional shape.
The graphene sheet of claim 1, consisting essentially of graphene. original
canceled
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, the graphene sheet comprising graphene and having about 10 or fewer wrinkles per 1,000 square millimeters of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805768.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 9, wherein the graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 9, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet. original
The graphene base of claim 9, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
A graphene sheet comprising: graphene, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805769.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white currently amended
The graphene sheet of claim 16, having an area of 1 square millimeter or greater. original
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, wherein a graphene coverage of the graphene sheet is about 99 percent or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805770.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 21, wherein the graphene sheet has an area of about 1 square millimeter or greater. original
The graphene base of claim 21, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
canceled
A graphene base comprising: a substrate; a first graphene sheet disposed on at least one surface of the substrate; a metal layer disposed on the first graphene sheet; and a second graphene sheet disposed on the metal layer, wherein at least one of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805771.13.261.1162.2249.1420.svg 0.86 6.627 Graph Black and white
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 28, wherein a graphene coverage of at least one of the first graphene sheet and the second graphene sheet is about 99 % or greater per 1 square millimeter area of the first graphene sheet or the second graphene sheet, respectively. original
The graphene base of claim 28, wherein the substrate comprises a patterned layer on at least one surface thereof.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has a pattern corresponding to the pattern of the metal layer.
The graphene base of claim 28, wherein the metal layer comprises a graphitizing catalyst.
canceled
canceled
(Withdrawn-Currently Amended) A method of preparing a graphene sheet, the method comprising: forming a carbon incorporated metal layer on at least one surface of a substrate; and thermally treating the substrate and the carbon incorporated metal layer to form first and second graphene sheets on opposite surfaces of a resulting metal layer to form a graphene sheet comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805772.20.261.2111.2249.2369.svg 0.86 6.627 Graph Black and white
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises: forming a first metal layer on at least one surface of the substrate; and carburizing the first metal layer to form the carbon incorporated metal layer. 7 YPL 0 926US SI-35202-US RD₂₀₀₉₀₆₀₀₄₁US₀ Application No. 12/915,891 Response dated: withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises simultaneously disposing a metal and carbon on at least one surface of the substrate. withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises disposing a carbide on at least one surface of the substrate. withdrawn
The method of claim 38, further comprising forming a second metal layer on the carbon incorporated metal layer. withdrawn
The method of claim 38, further comprising cooling the first and second graphene sheets at a rate of about 0.1 to about 50 ° C per minute af t er the thermally treating. withdrawn
The method of claim 38, wherein the thermally treating is performed at a temperature of about 350 to about 1,300 ° C for about 0.01 to about 1 hour. withdrawn
The method of claim 38, further comprising dry etching the first and second graphene sheets using H 2, plasma, or 02 to remove the second graphene sheet. withdrawn
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene sheet
graphene base (single graphene sheet on substrate)
graphene base (graphene/metal/graphene sandwich on substrate)
Materials described outside the worked examples.
graphene
C
carbon incorporated metal layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 20–500 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,187,332Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a diagram of an embodiment of a method of preparing a graphene sheet; [0019]
FIG. 2 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by carburization; [0020]
FIG. 3 is a diagram of an embodiment of a method of forming a carbon- containing metal layer by deposition; [0021]
FIGS. 4A and 4B are each a diagram of an embodiment of a method of selectively preparing a graphene sheet grown directly on a substrate; [0022]
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
FIG. 6 is an optical micrograph of the graphene sheet prepared in Example 1; [0026]
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 9. Referring to
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A graphene sheet comprising: graphene comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, wherein the graphene has an area of 1 square millimeter or greater, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805767.11.261.932.2253.1190.svg 0.86 6.64 Graph Black and white currently amended
The graphene sheet of claim 1, having a graphene coverage of about 99% or greater per 1 square millimeter area of the graphene sheet. original
The graphene sheet of claim 1, having a three-dimensional shape.
The graphene sheet of claim 1, consisting essentially of graphene. original
canceled
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, the graphene sheet comprising graphene and having about 10 or fewer wrinkles per 1,000 square millimeters of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805768.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 9, wherein the graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 9, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet. original
The graphene base of claim 9, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
A graphene sheet comprising: graphene, wherein a graphene coverage of the graphene sheet is about 99 % or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805769.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white currently amended
The graphene sheet of claim 16, having an area of 1 square millimeter or greater. original
canceled
canceled
canceled
A graphene base comprising: a substrate; and a graphene sheet directly on a surface of the substrate, wherein a graphene coverage of the graphene sheet is about 99 percent or greater per 1 square millimeter area of the graphene sheet, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805770.11.261.990.2249.1248.svg 0.86 6.627 Graph Black and white
The graphene base of claim 21, wherein the graphene sheet has an area of about 1 square millimeter or greater. original
The graphene base of claim 21, wherein the substrate comprises a patterned layer on at least one surface thereof.
canceled
canceled
canceled
A graphene base comprising: a substrate; a first graphene sheet disposed on at least one surface of the substrate; a metal layer disposed on the first graphene sheet; and a second graphene sheet disposed on the metal layer, wherein at least one of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805771.13.261.1162.2249.1420.svg 0.86 6.627 Graph Black and white
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet includes about 10 or fewer wrinkles 1,000 square micrometers of graphene.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has an area of about 1 square millimeter or greater.
The graphene base of claim 28, wherein a graphene coverage of at least one of the first graphene sheet and the second graphene sheet is about 99 % or greater per 1 square millimeter area of the first graphene sheet or the second graphene sheet, respectively. original
The graphene base of claim 28, wherein the substrate comprises a patterned layer on at least one surface thereof.
The graphene base of claim 28, wherein each of the first graphene sheet and the second graphene sheet has a pattern corresponding to the pattern of the metal layer.
The graphene base of claim 28, wherein the metal layer comprises a graphitizing catalyst.
canceled
canceled
(Withdrawn-Currently Amended) A method of preparing a graphene sheet, the method comprising: forming a carbon incorporated metal layer on at least one surface of a substrate; and thermally treating the substrate and the carbon incorporated metal layer to form first and second graphene sheets on opposite surfaces of a resulting metal layer to form a graphene sheet comprising ten or fewer wrinkles per 1,000 square micrometers of the graphene, wherein the graphene comprises an area of 1000 square micrometers in which a wrinkle is not observed when analyzed by scanning electron microscopy at 30,000 times magnification, and SVG 12915891.10-15-2014.I₁DFZ₂W₇PXXIFW1.CLM32805772.20.261.2111.2249.2369.svg 0.86 6.627 Graph Black and white
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises: forming a first metal layer on at least one surface of the substrate; and carburizing the first metal layer to form the carbon incorporated metal layer. 7 YPL 0 926US SI-35202-US RD₂₀₀₉₀₆₀₀₄₁US₀ Application No. 12/915,891 Response dated: withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises simultaneously disposing a metal and carbon on at least one surface of the substrate. withdrawn
The method of claim 38, wherein the forming of the carbon incorporated metal layer comprises disposing a carbide on at least one surface of the substrate. withdrawn
The method of claim 38, further comprising forming a second metal layer on the carbon incorporated metal layer. withdrawn
The method of claim 38, further comprising cooling the first and second graphene sheets at a rate of about 0.1 to about 50 ° C per minute af t er the thermally treating. withdrawn
The method of claim 38, wherein the thermally treating is performed at a temperature of about 350 to about 1,300 ° C for about 0.01 to about 1 hour. withdrawn
The method of claim 38, further comprising dry etching the first and second graphene sheets using H 2, plasma, or 02 to remove the second graphene sheet. withdrawn
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene sheet
graphene base (single graphene sheet on substrate)
graphene base (graphene/metal/graphene sandwich on substrate)
Materials described outside the worked examples.
graphene
C
carbon incorporated metal layer
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 5A is a transmission electron micrograph of a cross-section of a graphene base prepared in Example 1; [0023]
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 20–500 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
| 40–250 nm |
| — |
Pressure | 7.50062–22501.86 Torr | — |
Pressure | 75.00619999999999–7500.62 Torr | — |
Duration | 1–200 hours | — |
Duration | 2–180 hours | — |
Duration | 4–160 hours | — |
Temperature | 2–50 °C | — |
Temperature | 350–2000 °C | — |
Duration | 0.01–10 hours | — |
Duration | 0.1–8 hours | — |
Duration | 0.5–6 hours | — |
Temperature | 0.1–50 °C | — |
Temperature | 0.5–25 °C | — |
Temperature | 1–15 °C | — |
Temperature | 350–1300 °C | — |
Duration | 0.01–1 hour | — |
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
| 40–250 nm |
| — |
Pressure | 7.50062–22501.86 Torr | — |
Pressure | 75.00619999999999–7500.62 Torr | — |
Duration | 1–200 hours | — |
Duration | 2–180 hours | — |
Duration | 4–160 hours | — |
Temperature | 2–50 °C | — |
Temperature | 350–2000 °C | — |
Duration | 0.01–10 hours | — |
Duration | 0.1–8 hours | — |
Duration | 0.5–6 hours | — |
Temperature | 0.1–50 °C | — |
Temperature | 0.5–25 °C | — |
Temperature | 1–15 °C | — |
Temperature | 350–1300 °C | — |
Duration | 0.01–1 hour | — |
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
| 40–250 nm |
| — |
Pressure | 7.50062–22501.86 Torr | — |
Pressure | 75.00619999999999–7500.62 Torr | — |
Duration | 1–200 hours | — |
Duration | 2–180 hours | — |
Duration | 4–160 hours | — |
Temperature | 2–50 °C | — |
Temperature | 350–2000 °C | — |
Duration | 0.01–10 hours | — |
Duration | 0.1–8 hours | — |
Duration | 0.5–6 hours | — |
Temperature | 0.1–50 °C | — |
Temperature | 0.5–25 °C | — |
Temperature | 1–15 °C | — |
Temperature | 350–1300 °C | — |
Duration | 0.01–1 hour | — |
FIG. 7 is a scanning electron micrograph ("SEM") of the graphene sheet prepared in
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 8 is a Raman spectrum of the graphene sheet prepared in Example 1. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak …
FIG. 10 B is a Raman spectrum of the graphene sheet of Example 3. A relative intensity of the D-band to the G-band (i.e., the D-band to G-band peak ratio, 1o/I …
FIGS. 11 A and 11 B are respectively an optical micrograph and a SEM of a graphene sheet prepared in Comparative Example 1. DETAILED DESCRIPTION [0031] …
| 40–250 nm |
| — |
Pressure | 7.50062–22501.86 Torr | — |
Pressure | 75.00619999999999–7500.62 Torr | — |
Duration | 1–200 hours | — |
Duration | 2–180 hours | — |
Duration | 4–160 hours | — |
Temperature | 2–50 °C | — |
Temperature | 350–2000 °C | — |
Duration | 0.01–10 hours | — |
Duration | 0.1–8 hours | — |
Duration | 0.5–6 hours | — |
Temperature | 0.1–50 °C | — |
Temperature | 0.5–25 °C | — |
Temperature | 1–15 °C | — |
Temperature | 350–1300 °C | — |
Duration | 0.01–1 hour | — |