Patent
US 11,071,241ELECTROMAGNETIC SHIELDING METHOD USING GRAPHENE AND ELECTROMAGNETIC SHIELDING MATERIAL
Byung Hee HONG
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 11,071,241Patent drawings and their descriptions. Click a drawing to enlarge it.
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 for shielding electromagnetic waves by using graphene, the method comprising: forming 2 to 4 layers of graphene outside or inside a device having electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of a substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene formed outside or inside the device having the electromagnetic wave generating source is produced by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene is formed by transferring or laminating the graphene formed on the substrate by a chemical vapor deposition method to the outside or the inside of the device having the electromagnetic wave generating source. Previously presented
Canceled
A method for shielding electromagnetic waves by using graphene, the method comprising: attaching, laminating or wrapping with a substrate on which 2 to 4 layers of graphene is formed or transferred to or around outside or inside of a device having an electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of the substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH₃NO.[[-]] Currently amended
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the graphene is formed by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a form of a foil, a wire, a plate, a tube, a film, a sheet, a mesh or a net. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent substrate, or a stretchable and/or transparent substrate. Previously presented
Canceled
An electromagnetic wave shielding film, comprising: 2 to 4 layers of graphene formed on a first side of a substrate; an adhesive layer formed on the graphene; a first protective layer formed on the adhesive layer, wherein the first protective layer forms a first outer layer of the electromagnetic wave shielding film; and, a second protective layer formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO 2. Previously presented
The electromagnetic wave shielding film of claim 11, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent polymer, or a stretchable and/or transparent polymer. Original
The electromagnetic wave shielding film of claim 11, wherein the electromagnetic wave shielding film is in a form of sheet or roll. Original
The electromagnetic wave shielding film of claim 11, wherein the graphene is formed by a chemical vapor deposition method. Original
An electronic or electric device including the electromagnetic wave shielding film of claim 11. Original
A microwave oven, comprising: a window including the electromagnetic wave shielding film according to claim 11 formed between two layers of a transparent substrate, such that one layer of the transparent substrate is the substrate of the electromagnetic wave shielding film. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
electromagnetic wave shielding film
Materials described outside the worked examples.
graphene (2 to 4 layers, doped)
AuCl₃ dopant
AuCl₃
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Sheet Resistance | 30–120 Ω/sq | graphene (2 to 4 layers, doped) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,071,241Patent drawings and their descriptions. Click a drawing to enlarge it.
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 for shielding electromagnetic waves by using graphene, the method comprising: forming 2 to 4 layers of graphene outside or inside a device having electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of a substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene formed outside or inside the device having the electromagnetic wave generating source is produced by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene is formed by transferring or laminating the graphene formed on the substrate by a chemical vapor deposition method to the outside or the inside of the device having the electromagnetic wave generating source. Previously presented
Canceled
A method for shielding electromagnetic waves by using graphene, the method comprising: attaching, laminating or wrapping with a substrate on which 2 to 4 layers of graphene is formed or transferred to or around outside or inside of a device having an electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of the substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH₃NO.[[-]] Currently amended
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the graphene is formed by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a form of a foil, a wire, a plate, a tube, a film, a sheet, a mesh or a net. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent substrate, or a stretchable and/or transparent substrate. Previously presented
Canceled
An electromagnetic wave shielding film, comprising: 2 to 4 layers of graphene formed on a first side of a substrate; an adhesive layer formed on the graphene; a first protective layer formed on the adhesive layer, wherein the first protective layer forms a first outer layer of the electromagnetic wave shielding film; and, a second protective layer formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO 2. Previously presented
The electromagnetic wave shielding film of claim 11, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent polymer, or a stretchable and/or transparent polymer. Original
The electromagnetic wave shielding film of claim 11, wherein the electromagnetic wave shielding film is in a form of sheet or roll. Original
The electromagnetic wave shielding film of claim 11, wherein the graphene is formed by a chemical vapor deposition method. Original
An electronic or electric device including the electromagnetic wave shielding film of claim 11. Original
A microwave oven, comprising: a window including the electromagnetic wave shielding film according to claim 11 formed between two layers of a transparent substrate, such that one layer of the transparent substrate is the substrate of the electromagnetic wave shielding film. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
electromagnetic wave shielding film
Materials described outside the worked examples.
graphene (2 to 4 layers, doped)
AuCl₃ dopant
AuCl₃
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Sheet Resistance | 30–120 Ω/sq | graphene (2 to 4 layers, doped) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,071,241Patent drawings and their descriptions. Click a drawing to enlarge it.
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 for shielding electromagnetic waves by using graphene, the method comprising: forming 2 to 4 layers of graphene outside or inside a device having electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of a substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene formed outside or inside the device having the electromagnetic wave generating source is produced by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene is formed by transferring or laminating the graphene formed on the substrate by a chemical vapor deposition method to the outside or the inside of the device having the electromagnetic wave generating source. Previously presented
Canceled
A method for shielding electromagnetic waves by using graphene, the method comprising: attaching, laminating or wrapping with a substrate on which 2 to 4 layers of graphene is formed or transferred to or around outside or inside of a device having an electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of the substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH₃NO.[[-]] Currently amended
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the graphene is formed by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a form of a foil, a wire, a plate, a tube, a film, a sheet, a mesh or a net. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent substrate, or a stretchable and/or transparent substrate. Previously presented
Canceled
An electromagnetic wave shielding film, comprising: 2 to 4 layers of graphene formed on a first side of a substrate; an adhesive layer formed on the graphene; a first protective layer formed on the adhesive layer, wherein the first protective layer forms a first outer layer of the electromagnetic wave shielding film; and, a second protective layer formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO 2. Previously presented
The electromagnetic wave shielding film of claim 11, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent polymer, or a stretchable and/or transparent polymer. Original
The electromagnetic wave shielding film of claim 11, wherein the electromagnetic wave shielding film is in a form of sheet or roll. Original
The electromagnetic wave shielding film of claim 11, wherein the graphene is formed by a chemical vapor deposition method. Original
An electronic or electric device including the electromagnetic wave shielding film of claim 11. Original
A microwave oven, comprising: a window including the electromagnetic wave shielding film according to claim 11 formed between two layers of a transparent substrate, such that one layer of the transparent substrate is the substrate of the electromagnetic wave shielding film. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
electromagnetic wave shielding film
Materials described outside the worked examples.
graphene (2 to 4 layers, doped)
AuCl₃ dopant
AuCl₃
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Sheet Resistance | 30–120 Ω/sq | graphene (2 to 4 layers, doped) |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 11,071,241Patent drawings and their descriptions. Click a drawing to enlarge it.
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 for shielding electromagnetic waves by using graphene, the method comprising: forming 2 to 4 layers of graphene outside or inside a device having electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of a substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene formed outside or inside the device having the electromagnetic wave generating source is produced by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 1, wherein the graphene is formed by transferring or laminating the graphene formed on the substrate by a chemical vapor deposition method to the outside or the inside of the device having the electromagnetic wave generating source. Previously presented
Canceled
A method for shielding electromagnetic waves by using graphene, the method comprising: attaching, laminating or wrapping with a substrate on which 2 to 4 layers of graphene is formed or transferred to or around outside or inside of a device having an electromagnetic wave generating source to shield electromagnetic waves by the graphene, wherein the 2 to 4 layers of graphene are formed on a first side of the substrate, wherein an adhesive layer is formed on the graphene, wherein a first protective layer is formed on the adhesive layer, the first protective layer forming a first outer layer of an electromagnetic wave shielding film, wherein a second protective layer is formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH₃NO.[[-]] Currently amended
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the graphene is formed by a chemical vapor deposition method. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a form of a foil, a wire, a plate, a tube, a film, a sheet, a mesh or a net. Previously presented
The method for shielding electromagnetic waves by using graphene of claim 6, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent substrate, or a stretchable and/or transparent substrate. Previously presented
Canceled
An electromagnetic wave shielding film, comprising: 2 to 4 layers of graphene formed on a first side of a substrate; an adhesive layer formed on the graphene; a first protective layer formed on the adhesive layer, wherein the first protective layer forms a first outer layer of the electromagnetic wave shielding film; and, a second protective layer formed on a second side of the substrate, the second side opposite the first side, wherein the second protective layer forms a second outer layer of the electromagnetic wave shielding film, wherein a sheet resistance of the graphene is between 120 Q/sq to 30 Q/sq, wherein the electromagnetic wave shielding film is configured to shield from an electromagnetic wave with a broad frequency band between 2 GHz to 18 GHz, and, wherein the first protective layer and the second protective layer are each independently formed from a material selected from a group consisting of: polyethylenes, polypropylenes, polyimides, polyethylene terephthalates, polyesters, polyethers, sulfonated polyethylenes, epoxys, phenol resins, polybutylene terephthalates, polyethylene naphthalates, and polybutylene naphthalates, and wherein the graphene is doped with AuC l3 CH 3 NO 2. Previously presented
The electromagnetic wave shielding film of claim 11, wherein the substrate includes a rigid and/or transparent substrate, or a flexible and/or transparent polymer, or a stretchable and/or transparent polymer. Original
The electromagnetic wave shielding film of claim 11, wherein the electromagnetic wave shielding film is in a form of sheet or roll. Original
The electromagnetic wave shielding film of claim 11, wherein the graphene is formed by a chemical vapor deposition method. Original
An electronic or electric device including the electromagnetic wave shielding film of claim 11. Original
A microwave oven, comprising: a window including the electromagnetic wave shielding film according to claim 11 formed between two layers of a transparent substrate, such that one layer of the transparent substrate is the substrate of the electromagnetic wave shielding film. Previously presented
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
electromagnetic wave shielding film
Materials described outside the worked examples.
graphene (2 to 4 layers, doped)
AuCl₃ dopant
AuCl₃
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fet Sheet Resistance | 30–120 Ω/sq | graphene (2 to 4 layers, doped) |
Related documents with shared materials, methods, properties, or citations.
substrate
METHOD AND APPARATUS FOR MANUFACTURING GRAPHENE
substrate
METHOD AND APPARATUS FOR MANUFACTURING GRAPHENE
substrate
METHOD AND APPARATUS FOR MANUFACTURING GRAPHENE
substrate
METHOD AND APPARATUS FOR MANUFACTURING GRAPHENE