Patent
US 9,023,220METHOD OF MANUFACTURING A GRAPHENE MONOLAYER ON INSULATING SUBSTRATES
Amaia Zurutuza Elorza
US
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Patent
US 9,023,220Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 shows the steps of the process. 10
Figure 2 shows a detail of step B of figure 1.
Figure 3 shows a perspective of a machine with a roller to apply the adhesive polymer.
Figure 4 shows the Raman spectrum of example 1.
Figure 5 shows a picture of first experiment of example 1. 15
Figure 6 shows a picture of second experiment of example 1.
Figure 7 shows the Raman spectrum of example 2.
Figure 8 shows a picture of first experiment of example 2
Figure 9 shows a picture of second experiment of example 2. 20 In said figures the following references are indicated: 1.- Top graphene layer 2.- Bottom graphene layer 3.- Metal foil 4.- Adhesive polymer 25 5.- PMMA 6.- Substrate 7.- Roller
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Docket No. CLM.83 CLAIMS 1-. A method of manufacturing a graphene monolayer on insulating substrates from Chemical Vapor Deposition graphene synthesis, wherein a metal foil catalyst with a 5 top graphene layer and a bottom graphene layer is obtained, comprising:-applying a thermal release adhesive tape to the bottom graphene layer deposited at the bottom of the metal foil in the Chemical Vapor Deposition graphene synthesis, by at least a roller from one edge of the thermal release adhesive tape to the opposite edge, so that it 10 allows the sticking of the thermal release adhesive tape onto the graphene bottom layer;-detaching the thermal release adhesive tape and the bottom graphene layer from the metal foil via the application of heat, from 1 ° C up to 5 °C higher than the release temperature of the thermal release adhesive 15 tape so that the thermal release adhesive tape with the bottom graphene layer can be removed, obtaining a metal foil with a top graphene layer sample; and-transferring the top graphene layer onto a substrate via a sacrificial protective layer.
- The Method according to claim 1, wherein the transfer step of the top graphene layer onto a substrate, comprises:-coating the metal foil with the top graphene layer sample with a sacrificial protective layer;-etching the metal foil catalyst resulting a film consisting of the 25 sacrificial protective layer with the top graphene layer;-depositing the top graphene layer with the sacrificial protective layer onto the desired substrate; and-removing the sacrificial protective layer via dissolution or thermal treatment.
- The Method according to claim 1, wherein the thermal release adhesive tape releases at 90 C.
- The Method according to claim 1, wherein the °C. 14 Docket No. C LM.83
- The Method according to claim 1, wherein the polymer based on polyester selected from the group vinyl acetate, polyacrylates, and polymethacrylates.
- The Method according to claim 1, wherein the tape on the graphene bottom layer is done by a
Materials described outside the worked examples.
graphene monolayer
thermal release adhesive tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 4 shows the Raman spectrum of example 1.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 1–5 °C | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,023,220Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 shows the steps of the process. 10
Figure 2 shows a detail of step B of figure 1.
Figure 3 shows a perspective of a machine with a roller to apply the adhesive polymer.
Figure 4 shows the Raman spectrum of example 1.
Figure 5 shows a picture of first experiment of example 1. 15
Figure 6 shows a picture of second experiment of example 1.
Figure 7 shows the Raman spectrum of example 2.
Figure 8 shows a picture of first experiment of example 2
Figure 9 shows a picture of second experiment of example 2. 20 In said figures the following references are indicated: 1.- Top graphene layer 2.- Bottom graphene layer 3.- Metal foil 4.- Adhesive polymer 25 5.- PMMA 6.- Substrate 7.- Roller
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Docket No. CLM.83 CLAIMS 1-. A method of manufacturing a graphene monolayer on insulating substrates from Chemical Vapor Deposition graphene synthesis, wherein a metal foil catalyst with a 5 top graphene layer and a bottom graphene layer is obtained, comprising:-applying a thermal release adhesive tape to the bottom graphene layer deposited at the bottom of the metal foil in the Chemical Vapor Deposition graphene synthesis, by at least a roller from one edge of the thermal release adhesive tape to the opposite edge, so that it 10 allows the sticking of the thermal release adhesive tape onto the graphene bottom layer;-detaching the thermal release adhesive tape and the bottom graphene layer from the metal foil via the application of heat, from 1 ° C up to 5 °C higher than the release temperature of the thermal release adhesive 15 tape so that the thermal release adhesive tape with the bottom graphene layer can be removed, obtaining a metal foil with a top graphene layer sample; and-transferring the top graphene layer onto a substrate via a sacrificial protective layer.
- The Method according to claim 1, wherein the transfer step of the top graphene layer onto a substrate, comprises:-coating the metal foil with the top graphene layer sample with a sacrificial protective layer;-etching the metal foil catalyst resulting a film consisting of the 25 sacrificial protective layer with the top graphene layer;-depositing the top graphene layer with the sacrificial protective layer onto the desired substrate; and-removing the sacrificial protective layer via dissolution or thermal treatment.
- The Method according to claim 1, wherein the thermal release adhesive tape releases at 90 C.
- The Method according to claim 1, wherein the °C. 14 Docket No. C LM.83
- The Method according to claim 1, wherein the polymer based on polyester selected from the group vinyl acetate, polyacrylates, and polymethacrylates.
- The Method according to claim 1, wherein the tape on the graphene bottom layer is done by a
Materials described outside the worked examples.
graphene monolayer
thermal release adhesive tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 4 shows the Raman spectrum of example 1.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 1–5 °C | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,023,220Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 shows the steps of the process. 10
Figure 2 shows a detail of step B of figure 1.
Figure 3 shows a perspective of a machine with a roller to apply the adhesive polymer.
Figure 4 shows the Raman spectrum of example 1.
Figure 5 shows a picture of first experiment of example 1. 15
Figure 6 shows a picture of second experiment of example 1.
Figure 7 shows the Raman spectrum of example 2.
Figure 8 shows a picture of first experiment of example 2
Figure 9 shows a picture of second experiment of example 2. 20 In said figures the following references are indicated: 1.- Top graphene layer 2.- Bottom graphene layer 3.- Metal foil 4.- Adhesive polymer 25 5.- PMMA 6.- Substrate 7.- Roller
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Docket No. CLM.83 CLAIMS 1-. A method of manufacturing a graphene monolayer on insulating substrates from Chemical Vapor Deposition graphene synthesis, wherein a metal foil catalyst with a 5 top graphene layer and a bottom graphene layer is obtained, comprising:-applying a thermal release adhesive tape to the bottom graphene layer deposited at the bottom of the metal foil in the Chemical Vapor Deposition graphene synthesis, by at least a roller from one edge of the thermal release adhesive tape to the opposite edge, so that it 10 allows the sticking of the thermal release adhesive tape onto the graphene bottom layer;-detaching the thermal release adhesive tape and the bottom graphene layer from the metal foil via the application of heat, from 1 ° C up to 5 °C higher than the release temperature of the thermal release adhesive 15 tape so that the thermal release adhesive tape with the bottom graphene layer can be removed, obtaining a metal foil with a top graphene layer sample; and-transferring the top graphene layer onto a substrate via a sacrificial protective layer.
- The Method according to claim 1, wherein the transfer step of the top graphene layer onto a substrate, comprises:-coating the metal foil with the top graphene layer sample with a sacrificial protective layer;-etching the metal foil catalyst resulting a film consisting of the 25 sacrificial protective layer with the top graphene layer;-depositing the top graphene layer with the sacrificial protective layer onto the desired substrate; and-removing the sacrificial protective layer via dissolution or thermal treatment.
- The Method according to claim 1, wherein the thermal release adhesive tape releases at 90 C.
- The Method according to claim 1, wherein the °C. 14 Docket No. C LM.83
- The Method according to claim 1, wherein the polymer based on polyester selected from the group vinyl acetate, polyacrylates, and polymethacrylates.
- The Method according to claim 1, wherein the tape on the graphene bottom layer is done by a
Materials described outside the worked examples.
graphene monolayer
thermal release adhesive tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 4 shows the Raman spectrum of example 1.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 1–5 °C | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 9,023,220Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1 shows the steps of the process. 10
Figure 2 shows a detail of step B of figure 1.
Figure 3 shows a perspective of a machine with a roller to apply the adhesive polymer.
Figure 4 shows the Raman spectrum of example 1.
Figure 5 shows a picture of first experiment of example 1. 15
Figure 6 shows a picture of second experiment of example 1.
Figure 7 shows the Raman spectrum of example 2.
Figure 8 shows a picture of first experiment of example 2
Figure 9 shows a picture of second experiment of example 2. 20 In said figures the following references are indicated: 1.- Top graphene layer 2.- Bottom graphene layer 3.- Metal foil 4.- Adhesive polymer 25 5.- PMMA 6.- Substrate 7.- Roller
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
Docket No. CLM.83 CLAIMS 1-. A method of manufacturing a graphene monolayer on insulating substrates from Chemical Vapor Deposition graphene synthesis, wherein a metal foil catalyst with a 5 top graphene layer and a bottom graphene layer is obtained, comprising:-applying a thermal release adhesive tape to the bottom graphene layer deposited at the bottom of the metal foil in the Chemical Vapor Deposition graphene synthesis, by at least a roller from one edge of the thermal release adhesive tape to the opposite edge, so that it 10 allows the sticking of the thermal release adhesive tape onto the graphene bottom layer;-detaching the thermal release adhesive tape and the bottom graphene layer from the metal foil via the application of heat, from 1 ° C up to 5 °C higher than the release temperature of the thermal release adhesive 15 tape so that the thermal release adhesive tape with the bottom graphene layer can be removed, obtaining a metal foil with a top graphene layer sample; and-transferring the top graphene layer onto a substrate via a sacrificial protective layer.
- The Method according to claim 1, wherein the transfer step of the top graphene layer onto a substrate, comprises:-coating the metal foil with the top graphene layer sample with a sacrificial protective layer;-etching the metal foil catalyst resulting a film consisting of the 25 sacrificial protective layer with the top graphene layer;-depositing the top graphene layer with the sacrificial protective layer onto the desired substrate; and-removing the sacrificial protective layer via dissolution or thermal treatment.
- The Method according to claim 1, wherein the thermal release adhesive tape releases at 90 C.
- The Method according to claim 1, wherein the °C. 14 Docket No. C LM.83
- The Method according to claim 1, wherein the polymer based on polyester selected from the group vinyl acetate, polyacrylates, and polymethacrylates.
- The Method according to claim 1, wherein the tape on the graphene bottom layer is done by a
Materials described outside the worked examples.
graphene monolayer
thermal release adhesive tape
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 4 shows the Raman spectrum of example 1.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Temperature | 1–5 °C | — |
Related documents with shared materials, methods, properties, or citations.
metal foil catalyst
polyvinyl acetate
polyacrylates
polymethacrylates
polyethylene vinyl acetate
copper foil
Cu
sacrificial protective layer
Figure 7 shows the Raman spectrum of example 2.
metal foil catalyst
polyvinyl acetate
polyacrylates
polymethacrylates
polyethylene vinyl acetate
copper foil
Cu
sacrificial protective layer
Figure 7 shows the Raman spectrum of example 2.
metal foil catalyst
polyvinyl acetate
polyacrylates
polymethacrylates
polyethylene vinyl acetate
copper foil
Cu
sacrificial protective layer
Figure 7 shows the Raman spectrum of example 2.
metal foil catalyst
polyvinyl acetate
polyacrylates
polymethacrylates
polyethylene vinyl acetate
copper foil
Cu
sacrificial protective layer
Figure 7 shows the Raman spectrum of example 2.