Patent
US 9,111,667GRAPHENE TRANSFER METHOD
Na-young Kim
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,111,667Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In
FIGS. 2 through 6 are schematic lateral sectional views of films including graphene in co rr esponding portions of
FIG. 3 is a schematic lateral sectional view of graphene corresponding to portion III of
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
FIG. 5 is a schematic lateral sectional view of graphene corresponding to portion V of
FIG. 6 is a schematic lateral sectional view of graphene corresponding to portion VI of
FIGS. 7 through 9 are schematic diagrams sequentially showing the graphene transfer method of
FIG. 8, the target film 304 is transported in a roll-to-roll manner in a direction opposite to the first direction. Therefore, the second stacked structure 320 …
FIG. 9, the graphene 302 is secondarily transferred in the same manner as shown in
FIG. 10 is a schematic lateral sectional view of graphene transferred to a target film. Best Mode for Carrying out the Invention [17] According to one or more …
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 graphene transfer method comp ri sing: attaching a first end of a first stacked structure, including a catalyst metal, graphene, and a supporting body stacked in the order stated, to a point of a target film that is transported in a roll-to-roll manner in a first direction; forming a second stacked structure by removing the catalyst metal of the first stacked structure, the second stacked structure having a surface whereon the graphene is exposed; and transferring the exposed graphene to a transfer surface of the target film by transporting the target film in a roll-to-roll manner and the second stacked structure in the first direction wherein the catalyst metal is removed via a wet-etching process by floating the first stacked structure at surface level in a catalyst metal removing liquid, and wherein the method further comprises: after the transferrin g of the graphene, transportin g the target film in a roll-to-roll manner and the second stacked structure in a direction opposite to the first direction and cleaning the g raphene transferred to the target film by floating the graphene on the surface of a cleaning liquid; and transferring the cleaned graphene back to the transfer surface of the target film by transportin g the target film in a roll-to-roll manner and the second stacked structure in the first direction.
(cu rr ently amended): The graphene transfer method of -d-aii-2 claim 1, wherein the wet-etching process is performed by using at least one from among hydrogen fluoride (HF), iron chloride (FeC l 3), iron nitride (Fe(N o3)3), copper chloride (CuC l 2), ammonium persulfate ((NH₄)2S₂₀ 8), sodium persulfate (Na₂S₂ 0) solution, and a hydrogen peroxide/sulfuric acid type solution.
(cu rr ently amended): The graphene transfer method of-e 1-aim -4 claim 1, wherein a container is filled with the catalyst metal removing liquid after the catalyst metal is removed, and the catalyst metal removing liquid is discharged from the container and the container is filled with the cleaning liquid before the cleaning of the graphene.
: The graphene transfer method of claim 1, wherein the supporting body is formed of at least one from among polymers including polymethylmethacrylate (PMMA), polyamide (PA), poly(butylenes terephtalate) (PBT), polycarbonate (PC), polyethylene (PE), poly(oxymethylene) (POM), polypropylene (PP), poly(phenylenether) (PPE), polystylene (PS), 3 AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128 polysulfone (PSU), liquid crystal polymer (LCP), poly(etheretherketone) (PEEK), poly(etherimide) (PEI), polylactide (PLA), poly(dimethylsiloxane) (PDMS), and cycloolefin copolymer (COC).
: The graphene transfer method of claim 1, wherein, further comprising: after the transferring of the graphene, removing the supporting body by using a supporting body removing liquid.
: The graphene transfer method of claim 1, wherein the catalyst metal comprises at least one selected from among nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chrome (Cr), copper (Cu), magnesium (Mg), manganese (Mn), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), zirconium (Zr), and combinations thereof.
: The graphene transfer method of claim 1, wherein the target film contains at least one from among polyethylene terephthalate (PET), polyimide (P I), polydimethylsiloxane (PDMS), plastic, synthetic rubber, and natural rubber. 4
AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128
. canceled
Materials described outside the worked examples.
graphene
catalyst metal
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
Patent
Atlas literature
Patent
US 9,111,667Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In
FIGS. 2 through 6 are schematic lateral sectional views of films including graphene in co rr esponding portions of
FIG. 3 is a schematic lateral sectional view of graphene corresponding to portion III of
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
FIG. 5 is a schematic lateral sectional view of graphene corresponding to portion V of
FIG. 6 is a schematic lateral sectional view of graphene corresponding to portion VI of
FIGS. 7 through 9 are schematic diagrams sequentially showing the graphene transfer method of
FIG. 8, the target film 304 is transported in a roll-to-roll manner in a direction opposite to the first direction. Therefore, the second stacked structure 320 …
FIG. 9, the graphene 302 is secondarily transferred in the same manner as shown in
FIG. 10 is a schematic lateral sectional view of graphene transferred to a target film. Best Mode for Carrying out the Invention [17] According to one or more …
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 graphene transfer method comp ri sing: attaching a first end of a first stacked structure, including a catalyst metal, graphene, and a supporting body stacked in the order stated, to a point of a target film that is transported in a roll-to-roll manner in a first direction; forming a second stacked structure by removing the catalyst metal of the first stacked structure, the second stacked structure having a surface whereon the graphene is exposed; and transferring the exposed graphene to a transfer surface of the target film by transporting the target film in a roll-to-roll manner and the second stacked structure in the first direction wherein the catalyst metal is removed via a wet-etching process by floating the first stacked structure at surface level in a catalyst metal removing liquid, and wherein the method further comprises: after the transferrin g of the graphene, transportin g the target film in a roll-to-roll manner and the second stacked structure in a direction opposite to the first direction and cleaning the g raphene transferred to the target film by floating the graphene on the surface of a cleaning liquid; and transferring the cleaned graphene back to the transfer surface of the target film by transportin g the target film in a roll-to-roll manner and the second stacked structure in the first direction.
(cu rr ently amended): The graphene transfer method of -d-aii-2 claim 1, wherein the wet-etching process is performed by using at least one from among hydrogen fluoride (HF), iron chloride (FeC l 3), iron nitride (Fe(N o3)3), copper chloride (CuC l 2), ammonium persulfate ((NH₄)2S₂₀ 8), sodium persulfate (Na₂S₂ 0) solution, and a hydrogen peroxide/sulfuric acid type solution.
(cu rr ently amended): The graphene transfer method of-e 1-aim -4 claim 1, wherein a container is filled with the catalyst metal removing liquid after the catalyst metal is removed, and the catalyst metal removing liquid is discharged from the container and the container is filled with the cleaning liquid before the cleaning of the graphene.
: The graphene transfer method of claim 1, wherein the supporting body is formed of at least one from among polymers including polymethylmethacrylate (PMMA), polyamide (PA), poly(butylenes terephtalate) (PBT), polycarbonate (PC), polyethylene (PE), poly(oxymethylene) (POM), polypropylene (PP), poly(phenylenether) (PPE), polystylene (PS), 3 AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128 polysulfone (PSU), liquid crystal polymer (LCP), poly(etheretherketone) (PEEK), poly(etherimide) (PEI), polylactide (PLA), poly(dimethylsiloxane) (PDMS), and cycloolefin copolymer (COC).
: The graphene transfer method of claim 1, wherein, further comprising: after the transferring of the graphene, removing the supporting body by using a supporting body removing liquid.
: The graphene transfer method of claim 1, wherein the catalyst metal comprises at least one selected from among nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chrome (Cr), copper (Cu), magnesium (Mg), manganese (Mn), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), zirconium (Zr), and combinations thereof.
: The graphene transfer method of claim 1, wherein the target film contains at least one from among polyethylene terephthalate (PET), polyimide (P I), polydimethylsiloxane (PDMS), plastic, synthetic rubber, and natural rubber. 4
AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128
. canceled
Materials described outside the worked examples.
graphene
catalyst metal
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
Patent
Atlas literature
Patent
US 9,111,667Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In
FIGS. 2 through 6 are schematic lateral sectional views of films including graphene in co rr esponding portions of
FIG. 3 is a schematic lateral sectional view of graphene corresponding to portion III of
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
FIG. 5 is a schematic lateral sectional view of graphene corresponding to portion V of
FIG. 6 is a schematic lateral sectional view of graphene corresponding to portion VI of
FIGS. 7 through 9 are schematic diagrams sequentially showing the graphene transfer method of
FIG. 8, the target film 304 is transported in a roll-to-roll manner in a direction opposite to the first direction. Therefore, the second stacked structure 320 …
FIG. 9, the graphene 302 is secondarily transferred in the same manner as shown in
FIG. 10 is a schematic lateral sectional view of graphene transferred to a target film. Best Mode for Carrying out the Invention [17] According to one or more …
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 graphene transfer method comp ri sing: attaching a first end of a first stacked structure, including a catalyst metal, graphene, and a supporting body stacked in the order stated, to a point of a target film that is transported in a roll-to-roll manner in a first direction; forming a second stacked structure by removing the catalyst metal of the first stacked structure, the second stacked structure having a surface whereon the graphene is exposed; and transferring the exposed graphene to a transfer surface of the target film by transporting the target film in a roll-to-roll manner and the second stacked structure in the first direction wherein the catalyst metal is removed via a wet-etching process by floating the first stacked structure at surface level in a catalyst metal removing liquid, and wherein the method further comprises: after the transferrin g of the graphene, transportin g the target film in a roll-to-roll manner and the second stacked structure in a direction opposite to the first direction and cleaning the g raphene transferred to the target film by floating the graphene on the surface of a cleaning liquid; and transferring the cleaned graphene back to the transfer surface of the target film by transportin g the target film in a roll-to-roll manner and the second stacked structure in the first direction.
(cu rr ently amended): The graphene transfer method of -d-aii-2 claim 1, wherein the wet-etching process is performed by using at least one from among hydrogen fluoride (HF), iron chloride (FeC l 3), iron nitride (Fe(N o3)3), copper chloride (CuC l 2), ammonium persulfate ((NH₄)2S₂₀ 8), sodium persulfate (Na₂S₂ 0) solution, and a hydrogen peroxide/sulfuric acid type solution.
(cu rr ently amended): The graphene transfer method of-e 1-aim -4 claim 1, wherein a container is filled with the catalyst metal removing liquid after the catalyst metal is removed, and the catalyst metal removing liquid is discharged from the container and the container is filled with the cleaning liquid before the cleaning of the graphene.
: The graphene transfer method of claim 1, wherein the supporting body is formed of at least one from among polymers including polymethylmethacrylate (PMMA), polyamide (PA), poly(butylenes terephtalate) (PBT), polycarbonate (PC), polyethylene (PE), poly(oxymethylene) (POM), polypropylene (PP), poly(phenylenether) (PPE), polystylene (PS), 3 AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128 polysulfone (PSU), liquid crystal polymer (LCP), poly(etheretherketone) (PEEK), poly(etherimide) (PEI), polylactide (PLA), poly(dimethylsiloxane) (PDMS), and cycloolefin copolymer (COC).
: The graphene transfer method of claim 1, wherein, further comprising: after the transferring of the graphene, removing the supporting body by using a supporting body removing liquid.
: The graphene transfer method of claim 1, wherein the catalyst metal comprises at least one selected from among nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chrome (Cr), copper (Cu), magnesium (Mg), manganese (Mn), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), zirconium (Zr), and combinations thereof.
: The graphene transfer method of claim 1, wherein the target film contains at least one from among polyethylene terephthalate (PET), polyimide (P I), polydimethylsiloxane (PDMS), plastic, synthetic rubber, and natural rubber. 4
AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128
. canceled
Materials described outside the worked examples.
graphene
catalyst metal
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
Patent
Atlas literature
Patent
US 9,111,667Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1. In
FIGS. 2 through 6 are schematic lateral sectional views of films including graphene in co rr esponding portions of
FIG. 3 is a schematic lateral sectional view of graphene corresponding to portion III of
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
FIG. 5 is a schematic lateral sectional view of graphene corresponding to portion V of
FIG. 6 is a schematic lateral sectional view of graphene corresponding to portion VI of
FIGS. 7 through 9 are schematic diagrams sequentially showing the graphene transfer method of
FIG. 8, the target film 304 is transported in a roll-to-roll manner in a direction opposite to the first direction. Therefore, the second stacked structure 320 …
FIG. 9, the graphene 302 is secondarily transferred in the same manner as shown in
FIG. 10 is a schematic lateral sectional view of graphene transferred to a target film. Best Mode for Carrying out the Invention [17] According to one or more …
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 graphene transfer method comp ri sing: attaching a first end of a first stacked structure, including a catalyst metal, graphene, and a supporting body stacked in the order stated, to a point of a target film that is transported in a roll-to-roll manner in a first direction; forming a second stacked structure by removing the catalyst metal of the first stacked structure, the second stacked structure having a surface whereon the graphene is exposed; and transferring the exposed graphene to a transfer surface of the target film by transporting the target film in a roll-to-roll manner and the second stacked structure in the first direction wherein the catalyst metal is removed via a wet-etching process by floating the first stacked structure at surface level in a catalyst metal removing liquid, and wherein the method further comprises: after the transferrin g of the graphene, transportin g the target film in a roll-to-roll manner and the second stacked structure in a direction opposite to the first direction and cleaning the g raphene transferred to the target film by floating the graphene on the surface of a cleaning liquid; and transferring the cleaned graphene back to the transfer surface of the target film by transportin g the target film in a roll-to-roll manner and the second stacked structure in the first direction.
(cu rr ently amended): The graphene transfer method of -d-aii-2 claim 1, wherein the wet-etching process is performed by using at least one from among hydrogen fluoride (HF), iron chloride (FeC l 3), iron nitride (Fe(N o3)3), copper chloride (CuC l 2), ammonium persulfate ((NH₄)2S₂₀ 8), sodium persulfate (Na₂S₂ 0) solution, and a hydrogen peroxide/sulfuric acid type solution.
(cu rr ently amended): The graphene transfer method of-e 1-aim -4 claim 1, wherein a container is filled with the catalyst metal removing liquid after the catalyst metal is removed, and the catalyst metal removing liquid is discharged from the container and the container is filled with the cleaning liquid before the cleaning of the graphene.
: The graphene transfer method of claim 1, wherein the supporting body is formed of at least one from among polymers including polymethylmethacrylate (PMMA), polyamide (PA), poly(butylenes terephtalate) (PBT), polycarbonate (PC), polyethylene (PE), poly(oxymethylene) (POM), polypropylene (PP), poly(phenylenether) (PPE), polystylene (PS), 3 AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128 polysulfone (PSU), liquid crystal polymer (LCP), poly(etheretherketone) (PEEK), poly(etherimide) (PEI), polylactide (PLA), poly(dimethylsiloxane) (PDMS), and cycloolefin copolymer (COC).
: The graphene transfer method of claim 1, wherein, further comprising: after the transferring of the graphene, removing the supporting body by using a supporting body removing liquid.
: The graphene transfer method of claim 1, wherein the catalyst metal comprises at least one selected from among nickel (Ni), cobalt (Co), iron (Fe), platinum (Pt), gold (Au), aluminum (Al), chrome (Cr), copper (Cu), magnesium (Mg), manganese (Mn), rhodium (Rh), silicon (Si), tantalum (Ta), titanium (Ti), tungsten (W), uranium (U), vanadium (V), zirconium (Zr), and combinations thereof.
: The graphene transfer method of claim 1, wherein the target film contains at least one from among polyethylene terephthalate (PET), polyimide (P I), polydimethylsiloxane (PDMS), plastic, synthetic rubber, and natural rubber. 4
AMENDMENT UNDER 37 C.F.R. § 1.111 Attorney Docket No.: Q₂₁₁₁₃₈ App l n. No.: 14/348,128
. canceled
Materials described outside the worked examples.
graphene
catalyst metal
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 is a schematic lateral sectional view of graphene corresponding to portion IV of
target film
hydrogen fluoride
HF
iron chloride
FeCl₃
iron nitride
Fe(NO₃)3
copper chloride
CuCl₂
ammonium persulfate
(NH₄)2S₂O₈
sodium persulfate
Na₂S₂O₈
hydrogen peroxide/sulfuric acid type solution
polymer supporting body
target film
hydrogen fluoride
HF
iron chloride
FeCl₃
iron nitride
Fe(NO₃)3
copper chloride
CuCl₂
ammonium persulfate
(NH₄)2S₂O₈
sodium persulfate
Na₂S₂O₈
hydrogen peroxide/sulfuric acid type solution
polymer supporting body
target film
hydrogen fluoride
HF
iron chloride
FeCl₃
iron nitride
Fe(NO₃)3
copper chloride
CuCl₂
ammonium persulfate
(NH₄)2S₂O₈
sodium persulfate
Na₂S₂O₈
hydrogen peroxide/sulfuric acid type solution
polymer supporting body
target film
hydrogen fluoride
HF
iron chloride
FeCl₃
iron nitride
Fe(NO₃)3
copper chloride
CuCl₂
ammonium persulfate
(NH₄)2S₂O₈
sodium persulfate
Na₂S₂O₈
hydrogen peroxide/sulfuric acid type solution
polymer supporting body