Patent
US 10,143,975GRAPHENE MEMBRANE AND METHOD FOR MANUFACTURING THE SAME
Changho LEE, Jeongil KYE, Hyunggyu PARK, Roman M. WYSS
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,143,975Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. That is, according to a specific treatment method, for example, according to surface treatment of the graphene layer 10 and/or the supporter 20, the …
FIG. 2 is a cross-sectional view illustrating a graphene membrane in accordance with another embodiment of the present invention. [0056] As exemplarily shown in
FIG. 3 is a cross-sectional view illustrating a graphene membrane in accordance with yet another embodiment of the present invention; [0037] FIG s. 4 to 13 are …
FIG. 4, a graphene layer 10 is formed on a substrate 40 (Operation S 10). 13 [0071] The substrate 40 may be formed of a catalytic metal. Ni, Co, Fe, Pt, Au, …
FIG. 5, the graphene layer 10 formed on the catalytic metal 40 may be transcribed into a supporter 20 (Operation S₂₀). [0081] Transcription of the gr aphene …
FIG. 6, and self- assembling the block copolymer 60, as exemplarily shown in
FIG. 7. [0085] The block copolymer 60 means a form in which polymers having different characteristics are covalently bonded to each other. According to …
FIG. 8 illustrates one example of the self-assembled block copolymer 60 located on the supporter 20. Here, the graphene layer 10 is omitted. [0088] As …
FIG. 9, and such ion beam etching may be executed together with the above-described process. [0099] When such a nano-pattern is formed in such a manner, the …
FIG. 10. A process for forming such a porous pattern may be carried out as described below. [0096] First, ultraviolet (UV) light is radiated and thus breaks …
FIG. 11 is a photograph illustrating the pattern of the porous block copolymer 60. From the photograph, it may be understood that a pattern having a plurality …
FIG. 12. [0107] As exemplarily shown in
FIG. 13, a pattern of pores 11 which is the same as the pattern of the block copolymer 60 may be formed on the graphene layer 10 through the above process. …
FIG. 14 is a flowchart illustrating a process for manufacturing a graphene membrane in accordance with one embodiment of the present invention. DETAILED …
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 membrane comprising: a graphene layer having a porous pattern including a plurality of pores having a size of 5 to 1 00nm, the graphene layer having a membrane function; and a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer, and a bonding layer that bonds the graphene layer and the supporter to each other, the bonding layer provided between the graphene layer and the supporter without lowering the membrane function of the graphene layer, wherein the bonding layer includes a pattern including a plurality of pores having a size which is equal to or greater than the pores of the graphene layer, [[and]] wherein [[the]]a surface porosity of the graphene layer indicates a ratio of an area occupied by the pores to the unit area of the graphene layer is 5 to 70 %, wherein the supporter includes a polymer, and wherein the bonding layer has a lower molecular weight than the polymer of the supporter. Currently amended
The graphene membrane according to claim 1, wherein the supporter includes a non-woven fabric or a polymer configured to continuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the supporter is configured to discontinuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the mean size of the pores of the graphene layer is 5 to 5 0 nm. Original
Canceled
6-7. Canceled
Canceled
9-20. Canceled
Canceled
(Canceled) Canceled
(Withdrawn) A graphene membrane c o mpris i ng: a graphene layer having a porous pattern including a plurality of po r es; a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer; and a porous block copolymer formed on the graphene layer, the porous block copolymer having a pattern of nanometer scale structures of a cylinder type. Withdrawn
The graphene membrane according to claim 23, wherein the porous block copolymer includes a pattern having a pl ural ity of pores formed within a first polymer. Withdrawn
(n ithdrawn) The graphene membrane according to claim 23, wherein each of the plurality of pores is in a size of 5 to 1 00 nm accordin g to material ratios of the porous block copol y mer.
(W ithdrawn) The graphene membrane according to claim 23, further comprising a bonding la y er that bonds the graphene la y er and the supporter, the bonding layer provided between the graphene layer and the supporter. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene membrane
Materials described outside the worked examples.
graphene
bonding layer
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene layer pore size | — | graphene |
graphene layer surface porosity | — |
Patent
Atlas literature
Patent
US 10,143,975Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. That is, according to a specific treatment method, for example, according to surface treatment of the graphene layer 10 and/or the supporter 20, the …
FIG. 2 is a cross-sectional view illustrating a graphene membrane in accordance with another embodiment of the present invention. [0056] As exemplarily shown in
FIG. 3 is a cross-sectional view illustrating a graphene membrane in accordance with yet another embodiment of the present invention; [0037] FIG s. 4 to 13 are …
FIG. 4, a graphene layer 10 is formed on a substrate 40 (Operation S 10). 13 [0071] The substrate 40 may be formed of a catalytic metal. Ni, Co, Fe, Pt, Au, …
FIG. 5, the graphene layer 10 formed on the catalytic metal 40 may be transcribed into a supporter 20 (Operation S₂₀). [0081] Transcription of the gr aphene …
FIG. 6, and self- assembling the block copolymer 60, as exemplarily shown in
FIG. 7. [0085] The block copolymer 60 means a form in which polymers having different characteristics are covalently bonded to each other. According to …
FIG. 8 illustrates one example of the self-assembled block copolymer 60 located on the supporter 20. Here, the graphene layer 10 is omitted. [0088] As …
FIG. 9, and such ion beam etching may be executed together with the above-described process. [0099] When such a nano-pattern is formed in such a manner, the …
FIG. 10. A process for forming such a porous pattern may be carried out as described below. [0096] First, ultraviolet (UV) light is radiated and thus breaks …
FIG. 11 is a photograph illustrating the pattern of the porous block copolymer 60. From the photograph, it may be understood that a pattern having a plurality …
FIG. 12. [0107] As exemplarily shown in
FIG. 13, a pattern of pores 11 which is the same as the pattern of the block copolymer 60 may be formed on the graphene layer 10 through the above process. …
FIG. 14 is a flowchart illustrating a process for manufacturing a graphene membrane in accordance with one embodiment of the present invention. DETAILED …
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 membrane comprising: a graphene layer having a porous pattern including a plurality of pores having a size of 5 to 1 00nm, the graphene layer having a membrane function; and a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer, and a bonding layer that bonds the graphene layer and the supporter to each other, the bonding layer provided between the graphene layer and the supporter without lowering the membrane function of the graphene layer, wherein the bonding layer includes a pattern including a plurality of pores having a size which is equal to or greater than the pores of the graphene layer, [[and]] wherein [[the]]a surface porosity of the graphene layer indicates a ratio of an area occupied by the pores to the unit area of the graphene layer is 5 to 70 %, wherein the supporter includes a polymer, and wherein the bonding layer has a lower molecular weight than the polymer of the supporter. Currently amended
The graphene membrane according to claim 1, wherein the supporter includes a non-woven fabric or a polymer configured to continuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the supporter is configured to discontinuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the mean size of the pores of the graphene layer is 5 to 5 0 nm. Original
Canceled
6-7. Canceled
Canceled
9-20. Canceled
Canceled
(Canceled) Canceled
(Withdrawn) A graphene membrane c o mpris i ng: a graphene layer having a porous pattern including a plurality of po r es; a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer; and a porous block copolymer formed on the graphene layer, the porous block copolymer having a pattern of nanometer scale structures of a cylinder type. Withdrawn
The graphene membrane according to claim 23, wherein the porous block copolymer includes a pattern having a pl ural ity of pores formed within a first polymer. Withdrawn
(n ithdrawn) The graphene membrane according to claim 23, wherein each of the plurality of pores is in a size of 5 to 1 00 nm accordin g to material ratios of the porous block copol y mer.
(W ithdrawn) The graphene membrane according to claim 23, further comprising a bonding la y er that bonds the graphene la y er and the supporter, the bonding layer provided between the graphene layer and the supporter. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene membrane
Materials described outside the worked examples.
graphene
bonding layer
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene layer pore size | — | graphene |
graphene layer surface porosity | — |
Patent
Atlas literature
Patent
US 10,143,975Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. That is, according to a specific treatment method, for example, according to surface treatment of the graphene layer 10 and/or the supporter 20, the …
FIG. 2 is a cross-sectional view illustrating a graphene membrane in accordance with another embodiment of the present invention. [0056] As exemplarily shown in
FIG. 3 is a cross-sectional view illustrating a graphene membrane in accordance with yet another embodiment of the present invention; [0037] FIG s. 4 to 13 are …
FIG. 4, a graphene layer 10 is formed on a substrate 40 (Operation S 10). 13 [0071] The substrate 40 may be formed of a catalytic metal. Ni, Co, Fe, Pt, Au, …
FIG. 5, the graphene layer 10 formed on the catalytic metal 40 may be transcribed into a supporter 20 (Operation S₂₀). [0081] Transcription of the gr aphene …
FIG. 6, and self- assembling the block copolymer 60, as exemplarily shown in
FIG. 7. [0085] The block copolymer 60 means a form in which polymers having different characteristics are covalently bonded to each other. According to …
FIG. 8 illustrates one example of the self-assembled block copolymer 60 located on the supporter 20. Here, the graphene layer 10 is omitted. [0088] As …
FIG. 9, and such ion beam etching may be executed together with the above-described process. [0099] When such a nano-pattern is formed in such a manner, the …
FIG. 10. A process for forming such a porous pattern may be carried out as described below. [0096] First, ultraviolet (UV) light is radiated and thus breaks …
FIG. 11 is a photograph illustrating the pattern of the porous block copolymer 60. From the photograph, it may be understood that a pattern having a plurality …
FIG. 12. [0107] As exemplarily shown in
FIG. 13, a pattern of pores 11 which is the same as the pattern of the block copolymer 60 may be formed on the graphene layer 10 through the above process. …
FIG. 14 is a flowchart illustrating a process for manufacturing a graphene membrane in accordance with one embodiment of the present invention. DETAILED …
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 membrane comprising: a graphene layer having a porous pattern including a plurality of pores having a size of 5 to 1 00nm, the graphene layer having a membrane function; and a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer, and a bonding layer that bonds the graphene layer and the supporter to each other, the bonding layer provided between the graphene layer and the supporter without lowering the membrane function of the graphene layer, wherein the bonding layer includes a pattern including a plurality of pores having a size which is equal to or greater than the pores of the graphene layer, [[and]] wherein [[the]]a surface porosity of the graphene layer indicates a ratio of an area occupied by the pores to the unit area of the graphene layer is 5 to 70 %, wherein the supporter includes a polymer, and wherein the bonding layer has a lower molecular weight than the polymer of the supporter. Currently amended
The graphene membrane according to claim 1, wherein the supporter includes a non-woven fabric or a polymer configured to continuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the supporter is configured to discontinuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the mean size of the pores of the graphene layer is 5 to 5 0 nm. Original
Canceled
6-7. Canceled
Canceled
9-20. Canceled
Canceled
(Canceled) Canceled
(Withdrawn) A graphene membrane c o mpris i ng: a graphene layer having a porous pattern including a plurality of po r es; a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer; and a porous block copolymer formed on the graphene layer, the porous block copolymer having a pattern of nanometer scale structures of a cylinder type. Withdrawn
The graphene membrane according to claim 23, wherein the porous block copolymer includes a pattern having a pl ural ity of pores formed within a first polymer. Withdrawn
(n ithdrawn) The graphene membrane according to claim 23, wherein each of the plurality of pores is in a size of 5 to 1 00 nm accordin g to material ratios of the porous block copol y mer.
(W ithdrawn) The graphene membrane according to claim 23, further comprising a bonding la y er that bonds the graphene la y er and the supporter, the bonding layer provided between the graphene layer and the supporter. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene membrane
Materials described outside the worked examples.
graphene
bonding layer
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene layer pore size | — | graphene |
graphene layer surface porosity | — |
Patent
Atlas literature
Patent
US 10,143,975Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. That is, according to a specific treatment method, for example, according to surface treatment of the graphene layer 10 and/or the supporter 20, the …
FIG. 2 is a cross-sectional view illustrating a graphene membrane in accordance with another embodiment of the present invention. [0056] As exemplarily shown in
FIG. 3 is a cross-sectional view illustrating a graphene membrane in accordance with yet another embodiment of the present invention; [0037] FIG s. 4 to 13 are …
FIG. 4, a graphene layer 10 is formed on a substrate 40 (Operation S 10). 13 [0071] The substrate 40 may be formed of a catalytic metal. Ni, Co, Fe, Pt, Au, …
FIG. 5, the graphene layer 10 formed on the catalytic metal 40 may be transcribed into a supporter 20 (Operation S₂₀). [0081] Transcription of the gr aphene …
FIG. 6, and self- assembling the block copolymer 60, as exemplarily shown in
FIG. 7. [0085] The block copolymer 60 means a form in which polymers having different characteristics are covalently bonded to each other. According to …
FIG. 8 illustrates one example of the self-assembled block copolymer 60 located on the supporter 20. Here, the graphene layer 10 is omitted. [0088] As …
FIG. 9, and such ion beam etching may be executed together with the above-described process. [0099] When such a nano-pattern is formed in such a manner, the …
FIG. 10. A process for forming such a porous pattern may be carried out as described below. [0096] First, ultraviolet (UV) light is radiated and thus breaks …
FIG. 11 is a photograph illustrating the pattern of the porous block copolymer 60. From the photograph, it may be understood that a pattern having a plurality …
FIG. 12. [0107] As exemplarily shown in
FIG. 13, a pattern of pores 11 which is the same as the pattern of the block copolymer 60 may be formed on the graphene layer 10 through the above process. …
FIG. 14 is a flowchart illustrating a process for manufacturing a graphene membrane in accordance with one embodiment of the present invention. DETAILED …
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 membrane comprising: a graphene layer having a porous pattern including a plurality of pores having a size of 5 to 1 00nm, the graphene layer having a membrane function; and a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer, and a bonding layer that bonds the graphene layer and the supporter to each other, the bonding layer provided between the graphene layer and the supporter without lowering the membrane function of the graphene layer, wherein the bonding layer includes a pattern including a plurality of pores having a size which is equal to or greater than the pores of the graphene layer, [[and]] wherein [[the]]a surface porosity of the graphene layer indicates a ratio of an area occupied by the pores to the unit area of the graphene layer is 5 to 70 %, wherein the supporter includes a polymer, and wherein the bonding layer has a lower molecular weight than the polymer of the supporter. Currently amended
The graphene membrane according to claim 1, wherein the supporter includes a non-woven fabric or a polymer configured to continuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the supporter is configured to discontinuously support the graphene layer. Original
The graphene membrane according to claim 1, wherein the mean size of the pores of the graphene layer is 5 to 5 0 nm. Original
Canceled
6-7. Canceled
Canceled
9-20. Canceled
Canceled
(Canceled) Canceled
(Withdrawn) A graphene membrane c o mpris i ng: a graphene layer having a porous pattern including a plurality of po r es; a supporter configured to support the graphene layer and including a plurality of pores having a greater size than the pores of the graphene layer; and a porous block copolymer formed on the graphene layer, the porous block copolymer having a pattern of nanometer scale structures of a cylinder type. Withdrawn
The graphene membrane according to claim 23, wherein the porous block copolymer includes a pattern having a pl ural ity of pores formed within a first polymer. Withdrawn
(n ithdrawn) The graphene membrane according to claim 23, wherein each of the plurality of pores is in a size of 5 to 1 00 nm accordin g to material ratios of the porous block copol y mer.
(W ithdrawn) The graphene membrane according to claim 23, further comprising a bonding la y er that bonds the graphene la y er and the supporter, the bonding layer provided between the graphene layer and the supporter. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
graphene membrane
Materials described outside the worked examples.
graphene
bonding layer
Additional fabrication and treatment steps described in the patent.
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene layer pore size | — | graphene |
graphene layer surface porosity | — |
silicon
Si
ceramic
dielectric
metal
porous block copolymer
polystyrene
PMMA
non-woven fabric
graphene layer mean pore size | — | graphene |
graphene layer mean pore size (preferred range) | — | graphene |
Thickness | 5–100 nm | — |
Thickness | 5–50 nm | — |
Thickness | 10–30 nm | — |
silicon
Si
ceramic
dielectric
metal
porous block copolymer
polystyrene
PMMA
non-woven fabric
graphene layer mean pore size | — | graphene |
graphene layer mean pore size (preferred range) | — | graphene |
Thickness | 5–100 nm | — |
Thickness | 5–50 nm | — |
Thickness | 10–30 nm | — |
silicon
Si
ceramic
dielectric
metal
porous block copolymer
polystyrene
PMMA
non-woven fabric
graphene layer mean pore size | — | graphene |
graphene layer mean pore size (preferred range) | — | graphene |
Thickness | 5–100 nm | — |
Thickness | 5–50 nm | — |
Thickness | 10–30 nm | — |
silicon
Si
ceramic
dielectric
metal
porous block copolymer
polystyrene
PMMA
non-woven fabric
graphene layer mean pore size | — | graphene |
graphene layer mean pore size (preferred range) | — | graphene |
Thickness | 5–100 nm | — |
Thickness | 5–50 nm | — |
Thickness | 10–30 nm | — |