Patent
US 11,117,805Title: ROLL-TO-ROLL GRAPLHENE PRODUCTION, TRANSFER OF GRAPHENE, AND SUBSTRATE RECOVERY f/p/r &.. 4~cf, } iwrc44ca4t C₆ c &C
BOTTE, Gerardine G.
OHIO UNIVERSITY·24 August 2017·US
Copyright © 2026 Matter42. All rights reserved.
Patent details
Patent
US 11,117,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematicof the deposition of a catalyst film on a support according to an embodiment of the present invention. [0010]
FIG. 2 isa schematic of the deposition of a graphene film on the catalyst- coated support of
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene film comprising: forming a catalyst film on a conductive support; forming the graphene film on the catalyst film; and electrolytically removing the catalyst film from the support. Original
The method of claim 1 wherein the catalyst film is electrolytically formed on the support. Original
The method of claim 1 wherein the catalyst film includes copper. Original
The method of claim 1 wherein the catalyst film has a thickness in a range of 1 nm to 25 pm. Original
The method of claim 1 wherein forming the catalyst film is conducted in an electrolytic cell having an anode and an electrolyte, wherein the support acts as a cathode. Original
The method of claim 1 wherein the graphene film is formed on the catalyst film by chemical vapor deposition. Original
The method of claim 1 wherein electrolytically removing the catalyst film includes transporting the support including the catalyst film and the graphene film through an electrolytic bath. Original
The method of claim 1 further comprising: transferring the graphene film to a substrate. Original
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
supported graphene film stack
Materials described outside the worked examples.
catalyst film
graphene film
C
copper catalyst film
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
catalyst film thickness (claim range) | 1–25000 | catalyst film |
catalyst film thickness (preferred range) | 1–10 |
Related documents with shared materials, methods, properties, or citations.
Patent details
Patent
US 11,117,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematicof the deposition of a catalyst film on a support according to an embodiment of the present invention. [0010]
FIG. 2 isa schematic of the deposition of a graphene film on the catalyst- coated support of
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene film comprising: forming a catalyst film on a conductive support; forming the graphene film on the catalyst film; and electrolytically removing the catalyst film from the support. Original
The method of claim 1 wherein the catalyst film is electrolytically formed on the support. Original
The method of claim 1 wherein the catalyst film includes copper. Original
The method of claim 1 wherein the catalyst film has a thickness in a range of 1 nm to 25 pm. Original
The method of claim 1 wherein forming the catalyst film is conducted in an electrolytic cell having an anode and an electrolyte, wherein the support acts as a cathode. Original
The method of claim 1 wherein the graphene film is formed on the catalyst film by chemical vapor deposition. Original
The method of claim 1 wherein electrolytically removing the catalyst film includes transporting the support including the catalyst film and the graphene film through an electrolytic bath. Original
The method of claim 1 further comprising: transferring the graphene film to a substrate. Original
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
supported graphene film stack
Materials described outside the worked examples.
catalyst film
graphene film
C
copper catalyst film
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
catalyst film thickness (claim range) | 1–25000 | catalyst film |
catalyst film thickness (preferred range) | 1–10 |
Related documents with shared materials, methods, properties, or citations.
Patent details
Patent
US 11,117,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematicof the deposition of a catalyst film on a support according to an embodiment of the present invention. [0010]
FIG. 2 isa schematic of the deposition of a graphene film on the catalyst- coated support of
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene film comprising: forming a catalyst film on a conductive support; forming the graphene film on the catalyst film; and electrolytically removing the catalyst film from the support. Original
The method of claim 1 wherein the catalyst film is electrolytically formed on the support. Original
The method of claim 1 wherein the catalyst film includes copper. Original
The method of claim 1 wherein the catalyst film has a thickness in a range of 1 nm to 25 pm. Original
The method of claim 1 wherein forming the catalyst film is conducted in an electrolytic cell having an anode and an electrolyte, wherein the support acts as a cathode. Original
The method of claim 1 wherein the graphene film is formed on the catalyst film by chemical vapor deposition. Original
The method of claim 1 wherein electrolytically removing the catalyst film includes transporting the support including the catalyst film and the graphene film through an electrolytic bath. Original
The method of claim 1 further comprising: transferring the graphene film to a substrate. Original
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
supported graphene film stack
Materials described outside the worked examples.
catalyst film
graphene film
C
copper catalyst film
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
catalyst film thickness (claim range) | 1–25000 | catalyst film |
catalyst film thickness (preferred range) | 1–10 |
Related documents with shared materials, methods, properties, or citations.
Patent details
Patent
US 11,117,805Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 is a schematicof the deposition of a catalyst film on a support according to an embodiment of the present invention. [0010]
FIG. 2 isa schematic of the deposition of a graphene film on the catalyst- coated support of
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A method of producing a graphene film comprising: forming a catalyst film on a conductive support; forming the graphene film on the catalyst film; and electrolytically removing the catalyst film from the support. Original
The method of claim 1 wherein the catalyst film is electrolytically formed on the support. Original
The method of claim 1 wherein the catalyst film includes copper. Original
The method of claim 1 wherein the catalyst film has a thickness in a range of 1 nm to 25 pm. Original
The method of claim 1 wherein forming the catalyst film is conducted in an electrolytic cell having an anode and an electrolyte, wherein the support acts as a cathode. Original
The method of claim 1 wherein the graphene film is formed on the catalyst film by chemical vapor deposition. Original
The method of claim 1 wherein electrolytically removing the catalyst film includes transporting the support including the catalyst film and the graphene film through an electrolytic bath. Original
The method of claim 1 further comprising: transferring the graphene film to a substrate. Original
Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
supported graphene film stack
Materials described outside the worked examples.
catalyst film
graphene film
C
copper catalyst film
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
catalyst film thickness (claim range) | 1–25000 | catalyst film |
catalyst film thickness (preferred range) | 1–10 |
Related documents with shared materials, methods, properties, or citations.
conductive support
copper sulfate electrolyte
CuSO₄/H₂SO₄
Voltage | 0.1–4 V | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 50 nm | — |
Thickness | ≥ 500 nm | — |
conductive support
copper sulfate electrolyte
CuSO₄/H₂SO₄
Voltage | 0.1–4 V | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 50 nm | — |
Thickness | ≥ 500 nm | — |
conductive support
copper sulfate electrolyte
CuSO₄/H₂SO₄
Voltage | 0.1–4 V | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 50 nm | — |
Thickness | ≥ 500 nm | — |
conductive support
copper sulfate electrolyte
CuSO₄/H₂SO₄
Voltage | 0.1–4 V | — |
Thickness | ≥ 1 nm | — |
Thickness | ≥ 50 nm | — |
Thickness | ≥ 500 nm | — |