Patent
US 10,681,464ACOUSTIC DIAPHRAGM INCLUDING GRAPHENE AND ACOUSTIC DEVICE EMPLOYING THE SAME
Sangwon Kim
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,681,464Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 has a c o ne shape, the shape of the diaphragm 1 0 may vary depending on the configuration of an acoustic device. For example, an acoustic diaphragm 15 …
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
FIG. 3 shows an image of graphene nanoparticles capable of being used to manufacture an acoustic diaphragm. Black dots sho wn in
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 6. In addition, in the case of the thin film of
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
FIG. 9. The first graphene-c o ntaining layer L 1 2 and the second graphene-c o ntaining layer L₂₂ may be vertically arranged symmetrically with respect to the …
FIG. 10, and the material composition of the graphene-c o ntaining layer L₁₃ may be the same as o r similar to that of the graphene-c o ntaining layer …
FIG. 11, the acoustic diaphragm 1 0D may include first and second auxiliary layers A 1 3 and A₂₃ and a graphene-containing layer L 1 3 arranged therebetween. …
FIG. 12 may have a flat plate shape, and an acoustic diaphragm 25 illustrated in
FIG. 13 may have a dome shape. The shape of an acoustic diaphragm is not limited to those illustrated herein, and may vary. Materials f o r the ac o ustic …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An acoustic diaphragm for an acoustic device, the acoustic diaphragm comprising: a graphene-containing layer including graphene nanoparticles, w herein the graphene nanopar t icles have an average partic l e size of 10 nm or l ess, the graphene-containing layer includes at least one different material other than graphene, and the at least one different material includes at least one selected from a polymer, a single molecule, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 1, wherein the graphene nanoparticles substantially have a particle size in the range of about 1 nm to about 10 nm. Original
The acoustic diaphragm of claim 1, wherein the graphene nanopar tic les include at least one functional group selected from a hydroxyl g roup, a carboxyl group, a carbonyl group, an epoxy group, an amine group, and an a m ide group. Original
The acoustic diaphrag m of claim 1, wherein the graphene nanopartic l es have a carbon content in a range of about 50 at % to about 95 at%. Original
8. The acoustic diaphragm of claim 1, wherein an amount of the graphene nanoparticles in the graphene-containing layer is in a range of about 1 wt% to about 99 w t%. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes an auxiliary layer, wherein the graphene-containing layer is arranged on one surface or two opposite 1, surfaces of the auxiliary la y er. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes a first auxiliary layer and a second auxiliary layer, and the grap hene -containing layer is arranged between the first auxiliary layer and the second auxiliary layer. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm has a cone shape, a flat plate shape, or a dome shape. Original
Canceled
The acoustic diaphragm of claim 15, w herein the graphene-containing layer further includes at least one different material other than graphene. and the at least one different material includes at least one selected from a polymer, a single molec u le, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 15, wherein the graphene-containing layer further includes at least one different material other than grap he ne, and the at least one different material includes one selected from an organic material, an inorganic material, and an organic-inorganic composite material. Currently amended
An acoustic device comprisin g: an acoustic diaphragm including a graphen c -containing la v er including g raph enc nanoparticles, wherein the graphen e nanoparticles substantially have a particle size in a range of about 1 nm to about 10 n m, and the graphene nanoparticles hav e a carbon content in a range of about 50 at % to about 95 at %:. 4 a support configured to support the acoustic diaphragm; and an e lectro-acous tic transducer connected to the acoustic diaphragm. Currently amended
The acoustic device of claim 15, wherein the e lectr o -acoustic transducer is configured to convert an electrical signal into an acoustic signal. Original
The acoustic device of claim 15, wherein the e lectro-acoustic transducer is configured to convert an acoustic signal into an electrical signal. Original
The acoustic device of claim 15, wherein the acoustic device is an electromagnetic-type device, an electrostatic-type device, or a piezoelectric-t y pe device. Original
The acoustic device of claim 15, wherein the acoustic device is any one of a speaker, an earphone, a headphone, and a microphone. Original
(Origina l) An electronic apparatus comprising: the acoustic device according to claim 15. Original
An acoustic device comprising: an acoustic diaphragm including a graphene-containing layer including graphene quantu m dots (G QDs); 5 a support configured to support the acoustic di aphra g m; and an electr o-a coustic transducer connected to the a cou sti c diaphrag m. New
Layer stacks claimed or described, ordered top of device to substrate.
acoustic diaphragm
acoustic device
Materials described outside the worked examples.
graphene nanoparticles
polymer, single molecule, metal, or metal complex
organic material, inorganic material, or organic-inorganic composite material
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 3–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MULTILAYER CERAMIC ELECTRONIC COMPONENT HAVING AN EXTERNAL ELECTRODE WHICH INCLUDES A GRAPHENE PLATELET
Electrochromic Device with Graphene/Ferroelectric Electrode
Patent
Atlas literature
Patent
US 10,681,464Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 has a c o ne shape, the shape of the diaphragm 1 0 may vary depending on the configuration of an acoustic device. For example, an acoustic diaphragm 15 …
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
FIG. 3 shows an image of graphene nanoparticles capable of being used to manufacture an acoustic diaphragm. Black dots sho wn in
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 6. In addition, in the case of the thin film of
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
FIG. 9. The first graphene-c o ntaining layer L 1 2 and the second graphene-c o ntaining layer L₂₂ may be vertically arranged symmetrically with respect to the …
FIG. 10, and the material composition of the graphene-c o ntaining layer L₁₃ may be the same as o r similar to that of the graphene-c o ntaining layer …
FIG. 11, the acoustic diaphragm 1 0D may include first and second auxiliary layers A 1 3 and A₂₃ and a graphene-containing layer L 1 3 arranged therebetween. …
FIG. 12 may have a flat plate shape, and an acoustic diaphragm 25 illustrated in
FIG. 13 may have a dome shape. The shape of an acoustic diaphragm is not limited to those illustrated herein, and may vary. Materials f o r the ac o ustic …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An acoustic diaphragm for an acoustic device, the acoustic diaphragm comprising: a graphene-containing layer including graphene nanoparticles, w herein the graphene nanopar t icles have an average partic l e size of 10 nm or l ess, the graphene-containing layer includes at least one different material other than graphene, and the at least one different material includes at least one selected from a polymer, a single molecule, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 1, wherein the graphene nanoparticles substantially have a particle size in the range of about 1 nm to about 10 nm. Original
The acoustic diaphragm of claim 1, wherein the graphene nanopar tic les include at least one functional group selected from a hydroxyl g roup, a carboxyl group, a carbonyl group, an epoxy group, an amine group, and an a m ide group. Original
The acoustic diaphrag m of claim 1, wherein the graphene nanopartic l es have a carbon content in a range of about 50 at % to about 95 at%. Original
8. The acoustic diaphragm of claim 1, wherein an amount of the graphene nanoparticles in the graphene-containing layer is in a range of about 1 wt% to about 99 w t%. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes an auxiliary layer, wherein the graphene-containing layer is arranged on one surface or two opposite 1, surfaces of the auxiliary la y er. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes a first auxiliary layer and a second auxiliary layer, and the grap hene -containing layer is arranged between the first auxiliary layer and the second auxiliary layer. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm has a cone shape, a flat plate shape, or a dome shape. Original
Canceled
The acoustic diaphragm of claim 15, w herein the graphene-containing layer further includes at least one different material other than graphene. and the at least one different material includes at least one selected from a polymer, a single molec u le, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 15, wherein the graphene-containing layer further includes at least one different material other than grap he ne, and the at least one different material includes one selected from an organic material, an inorganic material, and an organic-inorganic composite material. Currently amended
An acoustic device comprisin g: an acoustic diaphragm including a graphen c -containing la v er including g raph enc nanoparticles, wherein the graphen e nanoparticles substantially have a particle size in a range of about 1 nm to about 10 n m, and the graphene nanoparticles hav e a carbon content in a range of about 50 at % to about 95 at %:. 4 a support configured to support the acoustic diaphragm; and an e lectro-acous tic transducer connected to the acoustic diaphragm. Currently amended
The acoustic device of claim 15, wherein the e lectr o -acoustic transducer is configured to convert an electrical signal into an acoustic signal. Original
The acoustic device of claim 15, wherein the e lectro-acoustic transducer is configured to convert an acoustic signal into an electrical signal. Original
The acoustic device of claim 15, wherein the acoustic device is an electromagnetic-type device, an electrostatic-type device, or a piezoelectric-t y pe device. Original
The acoustic device of claim 15, wherein the acoustic device is any one of a speaker, an earphone, a headphone, and a microphone. Original
(Origina l) An electronic apparatus comprising: the acoustic device according to claim 15. Original
An acoustic device comprising: an acoustic diaphragm including a graphene-containing layer including graphene quantu m dots (G QDs); 5 a support configured to support the acoustic di aphra g m; and an electr o-a coustic transducer connected to the a cou sti c diaphrag m. New
Layer stacks claimed or described, ordered top of device to substrate.
acoustic diaphragm
acoustic device
Materials described outside the worked examples.
graphene nanoparticles
polymer, single molecule, metal, or metal complex
organic material, inorganic material, or organic-inorganic composite material
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 3–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MULTILAYER CERAMIC ELECTRONIC COMPONENT HAVING AN EXTERNAL ELECTRODE WHICH INCLUDES A GRAPHENE PLATELET
Electrochromic Device with Graphene/Ferroelectric Electrode
Patent
Atlas literature
Patent
US 10,681,464Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 has a c o ne shape, the shape of the diaphragm 1 0 may vary depending on the configuration of an acoustic device. For example, an acoustic diaphragm 15 …
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
FIG. 3 shows an image of graphene nanoparticles capable of being used to manufacture an acoustic diaphragm. Black dots sho wn in
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 6. In addition, in the case of the thin film of
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
FIG. 9. The first graphene-c o ntaining layer L 1 2 and the second graphene-c o ntaining layer L₂₂ may be vertically arranged symmetrically with respect to the …
FIG. 10, and the material composition of the graphene-c o ntaining layer L₁₃ may be the same as o r similar to that of the graphene-c o ntaining layer …
FIG. 11, the acoustic diaphragm 1 0D may include first and second auxiliary layers A 1 3 and A₂₃ and a graphene-containing layer L 1 3 arranged therebetween. …
FIG. 12 may have a flat plate shape, and an acoustic diaphragm 25 illustrated in
FIG. 13 may have a dome shape. The shape of an acoustic diaphragm is not limited to those illustrated herein, and may vary. Materials f o r the ac o ustic …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An acoustic diaphragm for an acoustic device, the acoustic diaphragm comprising: a graphene-containing layer including graphene nanoparticles, w herein the graphene nanopar t icles have an average partic l e size of 10 nm or l ess, the graphene-containing layer includes at least one different material other than graphene, and the at least one different material includes at least one selected from a polymer, a single molecule, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 1, wherein the graphene nanoparticles substantially have a particle size in the range of about 1 nm to about 10 nm. Original
The acoustic diaphragm of claim 1, wherein the graphene nanopar tic les include at least one functional group selected from a hydroxyl g roup, a carboxyl group, a carbonyl group, an epoxy group, an amine group, and an a m ide group. Original
The acoustic diaphrag m of claim 1, wherein the graphene nanopartic l es have a carbon content in a range of about 50 at % to about 95 at%. Original
8. The acoustic diaphragm of claim 1, wherein an amount of the graphene nanoparticles in the graphene-containing layer is in a range of about 1 wt% to about 99 w t%. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes an auxiliary layer, wherein the graphene-containing layer is arranged on one surface or two opposite 1, surfaces of the auxiliary la y er. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes a first auxiliary layer and a second auxiliary layer, and the grap hene -containing layer is arranged between the first auxiliary layer and the second auxiliary layer. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm has a cone shape, a flat plate shape, or a dome shape. Original
Canceled
The acoustic diaphragm of claim 15, w herein the graphene-containing layer further includes at least one different material other than graphene. and the at least one different material includes at least one selected from a polymer, a single molec u le, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 15, wherein the graphene-containing layer further includes at least one different material other than grap he ne, and the at least one different material includes one selected from an organic material, an inorganic material, and an organic-inorganic composite material. Currently amended
An acoustic device comprisin g: an acoustic diaphragm including a graphen c -containing la v er including g raph enc nanoparticles, wherein the graphen e nanoparticles substantially have a particle size in a range of about 1 nm to about 10 n m, and the graphene nanoparticles hav e a carbon content in a range of about 50 at % to about 95 at %:. 4 a support configured to support the acoustic diaphragm; and an e lectro-acous tic transducer connected to the acoustic diaphragm. Currently amended
The acoustic device of claim 15, wherein the e lectr o -acoustic transducer is configured to convert an electrical signal into an acoustic signal. Original
The acoustic device of claim 15, wherein the e lectro-acoustic transducer is configured to convert an acoustic signal into an electrical signal. Original
The acoustic device of claim 15, wherein the acoustic device is an electromagnetic-type device, an electrostatic-type device, or a piezoelectric-t y pe device. Original
The acoustic device of claim 15, wherein the acoustic device is any one of a speaker, an earphone, a headphone, and a microphone. Original
(Origina l) An electronic apparatus comprising: the acoustic device according to claim 15. Original
An acoustic device comprising: an acoustic diaphragm including a graphene-containing layer including graphene quantu m dots (G QDs); 5 a support configured to support the acoustic di aphra g m; and an electr o-a coustic transducer connected to the a cou sti c diaphrag m. New
Layer stacks claimed or described, ordered top of device to substrate.
acoustic diaphragm
acoustic device
Materials described outside the worked examples.
graphene nanoparticles
polymer, single molecule, metal, or metal complex
organic material, inorganic material, or organic-inorganic composite material
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 3–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MULTILAYER CERAMIC ELECTRONIC COMPONENT HAVING AN EXTERNAL ELECTRODE WHICH INCLUDES A GRAPHENE PLATELET
Electrochromic Device with Graphene/Ferroelectric Electrode
Patent
Atlas literature
Patent
US 10,681,464Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 1 has a c o ne shape, the shape of the diaphragm 1 0 may vary depending on the configuration of an acoustic device. For example, an acoustic diaphragm 15 …
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
FIG. 3 shows an image of graphene nanoparticles capable of being used to manufacture an acoustic diaphragm. Black dots sho wn in
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 6. In addition, in the case of the thin film of
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
FIG. 9. The first graphene-c o ntaining layer L 1 2 and the second graphene-c o ntaining layer L₂₂ may be vertically arranged symmetrically with respect to the …
FIG. 10, and the material composition of the graphene-c o ntaining layer L₁₃ may be the same as o r similar to that of the graphene-c o ntaining layer …
FIG. 11, the acoustic diaphragm 1 0D may include first and second auxiliary layers A 1 3 and A₂₃ and a graphene-containing layer L 1 3 arranged therebetween. …
FIG. 12 may have a flat plate shape, and an acoustic diaphragm 25 illustrated in
FIG. 13 may have a dome shape. The shape of an acoustic diaphragm is not limited to those illustrated herein, and may vary. Materials f o r the ac o ustic …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
An acoustic diaphragm for an acoustic device, the acoustic diaphragm comprising: a graphene-containing layer including graphene nanoparticles, w herein the graphene nanopar t icles have an average partic l e size of 10 nm or l ess, the graphene-containing layer includes at least one different material other than graphene, and the at least one different material includes at least one selected from a polymer, a single molecule, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 1, wherein the graphene nanoparticles substantially have a particle size in the range of about 1 nm to about 10 nm. Original
The acoustic diaphragm of claim 1, wherein the graphene nanopar tic les include at least one functional group selected from a hydroxyl g roup, a carboxyl group, a carbonyl group, an epoxy group, an amine group, and an a m ide group. Original
The acoustic diaphrag m of claim 1, wherein the graphene nanopartic l es have a carbon content in a range of about 50 at % to about 95 at%. Original
8. The acoustic diaphragm of claim 1, wherein an amount of the graphene nanoparticles in the graphene-containing layer is in a range of about 1 wt% to about 99 w t%. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes an auxiliary layer, wherein the graphene-containing layer is arranged on one surface or two opposite 1, surfaces of the auxiliary la y er. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm further includes a first auxiliary layer and a second auxiliary layer, and the grap hene -containing layer is arranged between the first auxiliary layer and the second auxiliary layer. Original
The acoustic diaphragm of claim 1, wherein the acoustic diaphragm has a cone shape, a flat plate shape, or a dome shape. Original
Canceled
The acoustic diaphragm of claim 15, w herein the graphene-containing layer further includes at least one different material other than graphene. and the at least one different material includes at least one selected from a polymer, a single molec u le, a metal, and a metal complex. Currently amended
The acoustic diaphragm of claim 15, wherein the graphene-containing layer further includes at least one different material other than grap he ne, and the at least one different material includes one selected from an organic material, an inorganic material, and an organic-inorganic composite material. Currently amended
An acoustic device comprisin g: an acoustic diaphragm including a graphen c -containing la v er including g raph enc nanoparticles, wherein the graphen e nanoparticles substantially have a particle size in a range of about 1 nm to about 10 n m, and the graphene nanoparticles hav e a carbon content in a range of about 50 at % to about 95 at %:. 4 a support configured to support the acoustic diaphragm; and an e lectro-acous tic transducer connected to the acoustic diaphragm. Currently amended
The acoustic device of claim 15, wherein the e lectr o -acoustic transducer is configured to convert an electrical signal into an acoustic signal. Original
The acoustic device of claim 15, wherein the e lectro-acoustic transducer is configured to convert an acoustic signal into an electrical signal. Original
The acoustic device of claim 15, wherein the acoustic device is an electromagnetic-type device, an electrostatic-type device, or a piezoelectric-t y pe device. Original
The acoustic device of claim 15, wherein the acoustic device is any one of a speaker, an earphone, a headphone, and a microphone. Original
(Origina l) An electronic apparatus comprising: the acoustic device according to claim 15. Original
An acoustic device comprising: an acoustic diaphragm including a graphene-containing layer including graphene quantu m dots (G QDs); 5 a support configured to support the acoustic di aphra g m; and an electr o-a coustic transducer connected to the a cou sti c diaphrag m. New
Layer stacks claimed or described, ordered top of device to substrate.
acoustic diaphragm
acoustic device
Materials described outside the worked examples.
graphene nanoparticles
polymer, single molecule, metal, or metal complex
organic material, inorganic material, or organic-inorganic composite material
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 2. The auxiliary layer A 1 1 may include at least one selected from cellulose, a polymer-based material, a metal-based material, and a carbon-based …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Thickness | 3–10 nm | — |
Thickness |
Related documents with shared materials, methods, properties, or citations.
MULTILAYER CERAMIC ELECTRONIC COMPONENT HAVING AN EXTERNAL ELECTRODE WHICH INCLUDES A GRAPHENE PLATELET
Electrochromic Device with Graphene/Ferroelectric Electrode
auxiliary layer material
graphene quantum dots (GQDs)
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
durability. [0060] In this embodiment, the diaphragm 1 0 may be a graphene-containing layer including graphene nan o particles o r may include the graphene-containing layer, wherein the graphene nan o particles may have an average particle size of about 1 0 nm
| — |
Thickness | 1–10 nm | — |
auxiliary layer material
graphene quantum dots (GQDs)
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
durability. [0060] In this embodiment, the diaphragm 1 0 may be a graphene-containing layer including graphene nan o particles o r may include the graphene-containing layer, wherein the graphene nan o particles may have an average particle size of about 1 0 nm
| — |
Thickness | 1–10 nm | — |
auxiliary layer material
graphene quantum dots (GQDs)
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
durability. [0060] In this embodiment, the diaphragm 1 0 may be a graphene-containing layer including graphene nan o particles o r may include the graphene-containing layer, wherein the graphene nan o particles may have an average particle size of about 1 0 nm
| — |
Thickness | 1–10 nm | — |
auxiliary layer material
graphene quantum dots (GQDs)
FIG. 4 shows a graph showing the results obtained by measuring the particle size distribution of graphene nanoparticles capable of being used to manufacture an …
FIG. 5 shows a graph showing the results of nanoindentation tests performed on a thin film formed according to an embodiment. The thin film according to the …
FIG. 7 shows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to an embodiment; [0038]
FIG. 8 sh ows a graph showing measurements of elastic modulus characteristics of a thin film f o rmed according to a comparative example; [00 39]
durability. [0060] In this embodiment, the diaphragm 1 0 may be a graphene-containing layer including graphene nan o particles o r may include the graphene-containing layer, wherein the graphene nan o particles may have an average particle size of about 1 0 nm
| — |
Thickness | 1–10 nm | — |