Patent
US 9,373,429METHOD OF OBTAINING GRAPHENE
Na-young Kim
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,373,429Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Here, the first graphene 121 and the second graphene 122 grown on both surfaces of the metal catalyst member 110 have an extremely thin plate or film …
FIG. 2. The metal catalyst member 110 is formed of copper (Cu) and has a foil shape. [40] In the cu rr ent embodiment, although the metal catalyst member 110 …
FIG. 3, a gas such as CH4, C 2 H2, C 2H4, CO, or the like including carbon is put into a chamber for CVD or ICP-CVD, and then the 5 WO 2013/058559 …
FIG. 4 (operation S 120). [47] The first carrier 131 and the second ca rr ier 132 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 5 is a view showing a process of removing the metal catalyst member by applying an etchant to a side surface of a graphene forming structure while winding …
FIG. 6 is a cross-sectional view of a graphene forming structure 200, according to another exemplary embodiment. The graphene forming structure 200 has a …
FIG. 7 (operations S 220). [71] The first carrier 231 and the second ca rr ier 232 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 8 is a view showing a process of removing a metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(cu rr ent l y amended): A method of obtaining graphene, the method comprising: preparing a graphene forming structure of which a first graphene is formed on one surface and a second graphene is formed on another surface, and that comprises at least one metal catalyst member; disposing a first ca rr ier and a second carrier on the first graphene and the second graphene, respectively; and removing the metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding up the first ca rr ier and the second carrier by respectively rotating a pair of rolls formed to face each other, wherein the graphene forming structure comprises two metal catalyst members and an intermediate member disposed between the two metal catalyst members, wherein the first graphene is formed on one surface of one of the two metal catalyst members, and the second graphene is formed on one surface of the other one of the two metal catalyst members.
: The method of claim 1, wherein the metal catalyst member comprises at least one of nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chromium (Cr), Cu, magnesium (Mg), manganese (Mn), molybdenum (Mo), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
: The method of claim 1, wherein the metal catalyst member has a plate shape.
: The method of claim 1, wherein the metal catalyst member has a foil shape.
: The method of claim 1, wherein the first and second carriers are formed of a flexible material.
: The method of claim 1, wherein in the removing of the metal catalyst member, the etchant is applied to the side surface of the graphene forming structure by spraying.
: The method of claim 1, wherein the etchant comprises at least one of acid, hydrogen fluoride (HF), buffered oxide etch (BOE), a ferric chloride (FeC l 3) solution, a ferric nitrate (Fe(No₃)3) solution, a copper chloride (CuC l 2) solution, and a hydrogen peroxide- sulfuric acid (H₂₀₂-H₂S O 4) solution.
: The method of claim 1, wherein in the removing of the metal catalyst member, the one pair of rolls are rotated in opposite directions.
: The method of claim 1, further comprising separating the first graphene and the second graphene from the first ca rr ier and the second carrier respectively. 4
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene forming structure
Materials described outside the worked examples.
graphene
metal catalyst member
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,373,429Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Here, the first graphene 121 and the second graphene 122 grown on both surfaces of the metal catalyst member 110 have an extremely thin plate or film …
FIG. 2. The metal catalyst member 110 is formed of copper (Cu) and has a foil shape. [40] In the cu rr ent embodiment, although the metal catalyst member 110 …
FIG. 3, a gas such as CH4, C 2 H2, C 2H4, CO, or the like including carbon is put into a chamber for CVD or ICP-CVD, and then the 5 WO 2013/058559 …
FIG. 4 (operation S 120). [47] The first carrier 131 and the second ca rr ier 132 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 5 is a view showing a process of removing the metal catalyst member by applying an etchant to a side surface of a graphene forming structure while winding …
FIG. 6 is a cross-sectional view of a graphene forming structure 200, according to another exemplary embodiment. The graphene forming structure 200 has a …
FIG. 7 (operations S 220). [71] The first carrier 231 and the second ca rr ier 232 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 8 is a view showing a process of removing a metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(cu rr ent l y amended): A method of obtaining graphene, the method comprising: preparing a graphene forming structure of which a first graphene is formed on one surface and a second graphene is formed on another surface, and that comprises at least one metal catalyst member; disposing a first ca rr ier and a second carrier on the first graphene and the second graphene, respectively; and removing the metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding up the first ca rr ier and the second carrier by respectively rotating a pair of rolls formed to face each other, wherein the graphene forming structure comprises two metal catalyst members and an intermediate member disposed between the two metal catalyst members, wherein the first graphene is formed on one surface of one of the two metal catalyst members, and the second graphene is formed on one surface of the other one of the two metal catalyst members.
: The method of claim 1, wherein the metal catalyst member comprises at least one of nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chromium (Cr), Cu, magnesium (Mg), manganese (Mn), molybdenum (Mo), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
: The method of claim 1, wherein the metal catalyst member has a plate shape.
: The method of claim 1, wherein the metal catalyst member has a foil shape.
: The method of claim 1, wherein the first and second carriers are formed of a flexible material.
: The method of claim 1, wherein in the removing of the metal catalyst member, the etchant is applied to the side surface of the graphene forming structure by spraying.
: The method of claim 1, wherein the etchant comprises at least one of acid, hydrogen fluoride (HF), buffered oxide etch (BOE), a ferric chloride (FeC l 3) solution, a ferric nitrate (Fe(No₃)3) solution, a copper chloride (CuC l 2) solution, and a hydrogen peroxide- sulfuric acid (H₂₀₂-H₂S O 4) solution.
: The method of claim 1, wherein in the removing of the metal catalyst member, the one pair of rolls are rotated in opposite directions.
: The method of claim 1, further comprising separating the first graphene and the second graphene from the first ca rr ier and the second carrier respectively. 4
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene forming structure
Materials described outside the worked examples.
graphene
metal catalyst member
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,373,429Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Here, the first graphene 121 and the second graphene 122 grown on both surfaces of the metal catalyst member 110 have an extremely thin plate or film …
FIG. 2. The metal catalyst member 110 is formed of copper (Cu) and has a foil shape. [40] In the cu rr ent embodiment, although the metal catalyst member 110 …
FIG. 3, a gas such as CH4, C 2 H2, C 2H4, CO, or the like including carbon is put into a chamber for CVD or ICP-CVD, and then the 5 WO 2013/058559 …
FIG. 4 (operation S 120). [47] The first carrier 131 and the second ca rr ier 132 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 5 is a view showing a process of removing the metal catalyst member by applying an etchant to a side surface of a graphene forming structure while winding …
FIG. 6 is a cross-sectional view of a graphene forming structure 200, according to another exemplary embodiment. The graphene forming structure 200 has a …
FIG. 7 (operations S 220). [71] The first carrier 231 and the second ca rr ier 232 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 8 is a view showing a process of removing a metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(cu rr ent l y amended): A method of obtaining graphene, the method comprising: preparing a graphene forming structure of which a first graphene is formed on one surface and a second graphene is formed on another surface, and that comprises at least one metal catalyst member; disposing a first ca rr ier and a second carrier on the first graphene and the second graphene, respectively; and removing the metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding up the first ca rr ier and the second carrier by respectively rotating a pair of rolls formed to face each other, wherein the graphene forming structure comprises two metal catalyst members and an intermediate member disposed between the two metal catalyst members, wherein the first graphene is formed on one surface of one of the two metal catalyst members, and the second graphene is formed on one surface of the other one of the two metal catalyst members.
: The method of claim 1, wherein the metal catalyst member comprises at least one of nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chromium (Cr), Cu, magnesium (Mg), manganese (Mn), molybdenum (Mo), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
: The method of claim 1, wherein the metal catalyst member has a plate shape.
: The method of claim 1, wherein the metal catalyst member has a foil shape.
: The method of claim 1, wherein the first and second carriers are formed of a flexible material.
: The method of claim 1, wherein in the removing of the metal catalyst member, the etchant is applied to the side surface of the graphene forming structure by spraying.
: The method of claim 1, wherein the etchant comprises at least one of acid, hydrogen fluoride (HF), buffered oxide etch (BOE), a ferric chloride (FeC l 3) solution, a ferric nitrate (Fe(No₃)3) solution, a copper chloride (CuC l 2) solution, and a hydrogen peroxide- sulfuric acid (H₂₀₂-H₂S O 4) solution.
: The method of claim 1, wherein in the removing of the metal catalyst member, the one pair of rolls are rotated in opposite directions.
: The method of claim 1, further comprising separating the first graphene and the second graphene from the first ca rr ier and the second carrier respectively. 4
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene forming structure
Materials described outside the worked examples.
graphene
metal catalyst member
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,373,429Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. Here, the first graphene 121 and the second graphene 122 grown on both surfaces of the metal catalyst member 110 have an extremely thin plate or film …
FIG. 2. The metal catalyst member 110 is formed of copper (Cu) and has a foil shape. [40] In the cu rr ent embodiment, although the metal catalyst member 110 …
FIG. 3, a gas such as CH4, C 2 H2, C 2H4, CO, or the like including carbon is put into a chamber for CVD or ICP-CVD, and then the 5 WO 2013/058559 …
FIG. 4 (operation S 120). [47] The first carrier 131 and the second ca rr ier 132 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 5 is a view showing a process of removing the metal catalyst member by applying an etchant to a side surface of a graphene forming structure while winding …
FIG. 6 is a cross-sectional view of a graphene forming structure 200, according to another exemplary embodiment. The graphene forming structure 200 has a …
FIG. 7 (operations S 220). [71] The first carrier 231 and the second ca rr ier 232 are formed of a flexible thermal release tape. The thermal release tape may be …
FIG. 8 is a view showing a process of removing a metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(cu rr ent l y amended): A method of obtaining graphene, the method comprising: preparing a graphene forming structure of which a first graphene is formed on one surface and a second graphene is formed on another surface, and that comprises at least one metal catalyst member; disposing a first ca rr ier and a second carrier on the first graphene and the second graphene, respectively; and removing the metal catalyst member by applying an etchant to a side surface of the graphene forming structure while winding up the first ca rr ier and the second carrier by respectively rotating a pair of rolls formed to face each other, wherein the graphene forming structure comprises two metal catalyst members and an intermediate member disposed between the two metal catalyst members, wherein the first graphene is formed on one surface of one of the two metal catalyst members, and the second graphene is formed on one surface of the other one of the two metal catalyst members.
: The method of claim 1, wherein the metal catalyst member comprises at least one of nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chromium (Cr), Cu, magnesium (Mg), manganese (Mn), molybdenum (Mo), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), and zirconium (Zr).
: The method of claim 1, wherein the metal catalyst member has a plate shape.
: The method of claim 1, wherein the metal catalyst member has a foil shape.
: The method of claim 1, wherein the first and second carriers are formed of a flexible material.
: The method of claim 1, wherein in the removing of the metal catalyst member, the etchant is applied to the side surface of the graphene forming structure by spraying.
: The method of claim 1, wherein the etchant comprises at least one of acid, hydrogen fluoride (HF), buffered oxide etch (BOE), a ferric chloride (FeC l 3) solution, a ferric nitrate (Fe(No₃)3) solution, a copper chloride (CuC l 2) solution, and a hydrogen peroxide- sulfuric acid (H₂₀₂-H₂S O 4) solution.
: The method of claim 1, wherein in the removing of the metal catalyst member, the one pair of rolls are rotated in opposite directions.
: The method of claim 1, further comprising separating the first graphene and the second graphene from the first ca rr ier and the second carrier respectively. 4
canceled
canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene forming structure
Materials described outside the worked examples.
graphene
metal catalyst member
Additional fabrication and treatment steps described in the patent.
Related documents with shared materials, methods, properties, or citations.
thermal release tape
etchant
Generalized Phase Diagrams for Graphene CVD growth on Copper
thermal release tape
etchant
Generalized Phase Diagrams for Graphene CVD growth on Copper
thermal release tape
etchant
Generalized Phase Diagrams for Graphene CVD growth on Copper
thermal release tape
etchant
Generalized Phase Diagrams for Graphene CVD growth on Copper