Patent
US 9,759,700Title: GAS DETECTION DEVICE WITH GRAPHENE MEMBRANE 400 V 406 410 416 402 04 I -] 412 408 410 416 420
Angele Sjong, Kraig Anderson, Gary L. Duerksen, Seth A. Miller
5 June 2014·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,759,700Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previous ly Presented) A L as detection device, compr i sin g: a substrate, wherein a portion o fla s urface o f the substrate is d epressed to form a cavity in the surface of the substrate; a s ensor d e vic e comprising a r ig id grap he ne sensor deposited w ith palladium nanoparticles, wherein the sensor device: is coupled to the substrate and positioned within the cavity, is confined below the s urfa ce of the su bstrate by be ing positioned withi n the cavity. is conf I ured to detect a presence o f hydro gen, and has a sensitivity-to d etect the presence of the hydro gen, that is redu c ed in response to the sensor device being subjected to contamination fion me thane: a g raphene membrane coupled to the sensor device by at least one of an insulation frame and o ne or more electrode contacts, wh e rei n: the graphene me mbran e includes a g raphene monolaye r w ith a plu r ality of discrete pores havin g a size-selectivity based o n a diameter of each of the plurality of discrete pores fo r passage of the hydro g en across the g raph ene membrane f o r detection by the sensor de v ice, and havin g the si i e-selectivit y for inhibition of passa g e of the methane across the g raphene membrane so as to r estrict the m etha n e f rom contact with the sensor device and th us to prOte ct t h e sensor device From the co ntaininati on that reduc es the sensitivity of th e sensor dev ice to detect the presence of the hydro gen, the diameter of' each of the plurality of discrete pores of' the gir aphen e mem bra ne is 2. 5 Angstr oms, and a hydro g en and melhCane separation Seleclivity ohlle graphene membrane is 10''23:1 based o n the diameter o f each o1 the plurality of discrete pores; and a proc ess or configur ed to allow the hydrogen to be selectively permeated throu g h the disc r ete pores of the g raphe n e monolayer by employ men t of a g radi en t across the gr aphen e mon olayer, wherein: the cradi ent includes one or m ore of a temperature grad ieLt a pre ssu re gradient. a con c entration g rad ient, a polarity gradient, and a n electrochemical potent i al g rad ient. Previously presented
(Previousl y Presented) The g as detection device of claim 1, wherein the plurality of discrete pores have a uni form 1por e size. Previously presented
T he g as detection device of claim 1, wherein the sensor device is selected from on e of a: metal -oxide, non-metal oxide, catalytic, opt i cal, resistance- b ased, thermal ly conductive, work Iunction-based, mechan i cal acoustic, and electrochemical sensor con tgure d to dete ct the p iese'ncc of hydro gen. Previously presented
(P r eviously Pr esente d) The g as detection device of cla im 2, where in eac h pore i n the plurality o f discr e te pores in c lud e s at le ast one carbon vacancy d el' ect in the grap hene monolayer. Previously presented
- 7. Canceled
Canceled
T he ga s detection device of cl aim 1, wherein the substrat e includes one or more of a polyethylene, polypropylene. polyes t er. polyurethane. polystyrene. polysulf one. polyethersulfme. Sic),. SiC'. and/o r Si su b strate. Previously presented
11. (Cancel l ed) Canceled
- 33. Canceled
Canceled
3 4. (Curre n tly A m ended) A system to manufactur e a g as detection device. th e syste m comprising: a c ontrol le r communicatively c oupled to a grap h ene source that pro x ides a graphene m embrane, a s ubstrate source that provides a substrate. and a sensor device applicator. wherein the controler is configure d to: instruct t h e graphene sour ce to p rovide the graphene membrane, wherein; the grap h ene membrane includes a graphen e monola y er with a plurality of discrete pores havin g a siz e-selectivit y based on a diameter o f eac h o f the plurality of discrete pores Io r passage o f h ydrog en across the graph e ne m embrane fo r detection by a sensor device, a nd having the su/e-s e lect ivi ty f or inhibiti on of passa g e o f methane across t hle graphene membrane so as to restrict the methane fro m contact wit h the sensor device and thus to protect the sensor d e ice from contamination that reduces a sensitivity o f the sensor device to detect a presence of t he hydrogen, the diameter of each of tIl e plurality of discrete pores of the graphene m embra n e is 2.5 An g stroms. and a hy dro g en a n d methane separatio n selectivity of the g r aphene membrane is 1 0^ 23:1 based on the dia m eter of each of the plurality of discrete pores. a processor is coInfi (ure d to allow the hydrogen to be se lec tively perm eated throu gh the discrete pores of tle grapilenle m ono laye r by emiploynlent of a gradlien t across t h e g raphe ne Illon olayer, a n(the gradient inc lu des one or more of a temperat u re gradient, a pressure grad ioen t, a co ncen tratio n g rad i ent, a polarity g rad i ent, and an electroche mi cal pote ntia l g rad ient: instruct the s ubstrate s ource to provide t ile subs trat e to suppo rt the g rap hene membrane. wherein a portion of a s urface of the substrat e is depr esse d to f orm a cavity i n the surface of the substrate: and in struct the sensor device applicator to positio n the s ensor device withi n the cavity of the surf ace o f the subs trate, wherein t he sensor device is con fi ned below the surface of th e substrate by being positioned within t h e ca i ty, wihere in t h e sensor d ev ice is con f igured to detect t h e p r esence of the hlydrogen that crosses the grap h ene me nlb-anc, and wherein the sensor device co m prises a rigi d graphe n e sensor deposited w ith palladium na n oparticles to d ete c t the presence o f the hydro g en. Currently amended
The syst e m o f claim 34, wherein the controller is l rther Con lig ured to: instruct a sample manipulator to support formation of the graphene membrane from the grap he ne m onolay er w ith the plurality o t discrete pores, wh ich have a uniform pore size. Previously presented
39-40. (Cancell ed) Canceled
Canceled
(Pre vi ously Presented) T he system oI c laim 37, wh ere i n the controller is f urther con ig ured to: instruct an apparatus to l o rm the ca x ity i n the sur fac e of the s ubstrate. Previously presented
42 -43. Canceled
Canceled
Ih e syst e m of clai m 34, wherein the controller is fu rther Con f igured to: instruct an ele ctrod e applicator to couple the sensor devic e \N ith the s ubstrate b y an insulation f rime and el ect rod e contac ts. Previously presented
- 49. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas detection device
system to manufacture gas detection device
Materials described outside the worked examples.
graphene monolayer with discrete pores
graphene sensor deposited with palladium nanoparticles
palladium nanoparticles
Pd
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene membrane discrete pore diameter | 2.5 Angstroms | graphene monolayer with discrete pores |
Patent
Atlas literature
Patent
US 9,759,700Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previous ly Presented) A L as detection device, compr i sin g: a substrate, wherein a portion o fla s urface o f the substrate is d epressed to form a cavity in the surface of the substrate; a s ensor d e vic e comprising a r ig id grap he ne sensor deposited w ith palladium nanoparticles, wherein the sensor device: is coupled to the substrate and positioned within the cavity, is confined below the s urfa ce of the su bstrate by be ing positioned withi n the cavity. is conf I ured to detect a presence o f hydro gen, and has a sensitivity-to d etect the presence of the hydro gen, that is redu c ed in response to the sensor device being subjected to contamination fion me thane: a g raphene membrane coupled to the sensor device by at least one of an insulation frame and o ne or more electrode contacts, wh e rei n: the graphene me mbran e includes a g raphene monolaye r w ith a plu r ality of discrete pores havin g a size-selectivity based o n a diameter of each of the plurality of discrete pores fo r passage of the hydro g en across the g raph ene membrane f o r detection by the sensor de v ice, and havin g the si i e-selectivit y for inhibition of passa g e of the methane across the g raphene membrane so as to r estrict the m etha n e f rom contact with the sensor device and th us to prOte ct t h e sensor device From the co ntaininati on that reduc es the sensitivity of th e sensor dev ice to detect the presence of the hydro gen, the diameter of' each of the plurality of discrete pores of' the gir aphen e mem bra ne is 2. 5 Angstr oms, and a hydro g en and melhCane separation Seleclivity ohlle graphene membrane is 10''23:1 based o n the diameter o f each o1 the plurality of discrete pores; and a proc ess or configur ed to allow the hydrogen to be selectively permeated throu g h the disc r ete pores of the g raphe n e monolayer by employ men t of a g radi en t across the gr aphen e mon olayer, wherein: the cradi ent includes one or m ore of a temperature grad ieLt a pre ssu re gradient. a con c entration g rad ient, a polarity gradient, and a n electrochemical potent i al g rad ient. Previously presented
(Previousl y Presented) The g as detection device of claim 1, wherein the plurality of discrete pores have a uni form 1por e size. Previously presented
T he g as detection device of claim 1, wherein the sensor device is selected from on e of a: metal -oxide, non-metal oxide, catalytic, opt i cal, resistance- b ased, thermal ly conductive, work Iunction-based, mechan i cal acoustic, and electrochemical sensor con tgure d to dete ct the p iese'ncc of hydro gen. Previously presented
(P r eviously Pr esente d) The g as detection device of cla im 2, where in eac h pore i n the plurality o f discr e te pores in c lud e s at le ast one carbon vacancy d el' ect in the grap hene monolayer. Previously presented
- 7. Canceled
Canceled
T he ga s detection device of cl aim 1, wherein the substrat e includes one or more of a polyethylene, polypropylene. polyes t er. polyurethane. polystyrene. polysulf one. polyethersulfme. Sic),. SiC'. and/o r Si su b strate. Previously presented
11. (Cancel l ed) Canceled
- 33. Canceled
Canceled
3 4. (Curre n tly A m ended) A system to manufactur e a g as detection device. th e syste m comprising: a c ontrol le r communicatively c oupled to a grap h ene source that pro x ides a graphene m embrane, a s ubstrate source that provides a substrate. and a sensor device applicator. wherein the controler is configure d to: instruct t h e graphene sour ce to p rovide the graphene membrane, wherein; the grap h ene membrane includes a graphen e monola y er with a plurality of discrete pores havin g a siz e-selectivit y based on a diameter o f eac h o f the plurality of discrete pores Io r passage o f h ydrog en across the graph e ne m embrane fo r detection by a sensor device, a nd having the su/e-s e lect ivi ty f or inhibiti on of passa g e o f methane across t hle graphene membrane so as to restrict the methane fro m contact wit h the sensor device and thus to protect the sensor d e ice from contamination that reduces a sensitivity o f the sensor device to detect a presence of t he hydrogen, the diameter of each of tIl e plurality of discrete pores of the graphene m embra n e is 2.5 An g stroms. and a hy dro g en a n d methane separatio n selectivity of the g r aphene membrane is 1 0^ 23:1 based on the dia m eter of each of the plurality of discrete pores. a processor is coInfi (ure d to allow the hydrogen to be se lec tively perm eated throu gh the discrete pores of tle grapilenle m ono laye r by emiploynlent of a gradlien t across t h e g raphe ne Illon olayer, a n(the gradient inc lu des one or more of a temperat u re gradient, a pressure grad ioen t, a co ncen tratio n g rad i ent, a polarity g rad i ent, and an electroche mi cal pote ntia l g rad ient: instruct the s ubstrate s ource to provide t ile subs trat e to suppo rt the g rap hene membrane. wherein a portion of a s urface of the substrat e is depr esse d to f orm a cavity i n the surface of the substrate: and in struct the sensor device applicator to positio n the s ensor device withi n the cavity of the surf ace o f the subs trate, wherein t he sensor device is con fi ned below the surface of th e substrate by being positioned within t h e ca i ty, wihere in t h e sensor d ev ice is con f igured to detect t h e p r esence of the hlydrogen that crosses the grap h ene me nlb-anc, and wherein the sensor device co m prises a rigi d graphe n e sensor deposited w ith palladium na n oparticles to d ete c t the presence o f the hydro g en. Currently amended
The syst e m o f claim 34, wherein the controller is l rther Con lig ured to: instruct a sample manipulator to support formation of the graphene membrane from the grap he ne m onolay er w ith the plurality o t discrete pores, wh ich have a uniform pore size. Previously presented
39-40. (Cancell ed) Canceled
Canceled
(Pre vi ously Presented) T he system oI c laim 37, wh ere i n the controller is f urther con ig ured to: instruct an apparatus to l o rm the ca x ity i n the sur fac e of the s ubstrate. Previously presented
42 -43. Canceled
Canceled
Ih e syst e m of clai m 34, wherein the controller is fu rther Con f igured to: instruct an ele ctrod e applicator to couple the sensor devic e \N ith the s ubstrate b y an insulation f rime and el ect rod e contac ts. Previously presented
- 49. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas detection device
system to manufacture gas detection device
Materials described outside the worked examples.
graphene monolayer with discrete pores
graphene sensor deposited with palladium nanoparticles
palladium nanoparticles
Pd
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene membrane discrete pore diameter | 2.5 Angstroms | graphene monolayer with discrete pores |
Patent
Atlas literature
Patent
US 9,759,700Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previous ly Presented) A L as detection device, compr i sin g: a substrate, wherein a portion o fla s urface o f the substrate is d epressed to form a cavity in the surface of the substrate; a s ensor d e vic e comprising a r ig id grap he ne sensor deposited w ith palladium nanoparticles, wherein the sensor device: is coupled to the substrate and positioned within the cavity, is confined below the s urfa ce of the su bstrate by be ing positioned withi n the cavity. is conf I ured to detect a presence o f hydro gen, and has a sensitivity-to d etect the presence of the hydro gen, that is redu c ed in response to the sensor device being subjected to contamination fion me thane: a g raphene membrane coupled to the sensor device by at least one of an insulation frame and o ne or more electrode contacts, wh e rei n: the graphene me mbran e includes a g raphene monolaye r w ith a plu r ality of discrete pores havin g a size-selectivity based o n a diameter of each of the plurality of discrete pores fo r passage of the hydro g en across the g raph ene membrane f o r detection by the sensor de v ice, and havin g the si i e-selectivit y for inhibition of passa g e of the methane across the g raphene membrane so as to r estrict the m etha n e f rom contact with the sensor device and th us to prOte ct t h e sensor device From the co ntaininati on that reduc es the sensitivity of th e sensor dev ice to detect the presence of the hydro gen, the diameter of' each of the plurality of discrete pores of' the gir aphen e mem bra ne is 2. 5 Angstr oms, and a hydro g en and melhCane separation Seleclivity ohlle graphene membrane is 10''23:1 based o n the diameter o f each o1 the plurality of discrete pores; and a proc ess or configur ed to allow the hydrogen to be selectively permeated throu g h the disc r ete pores of the g raphe n e monolayer by employ men t of a g radi en t across the gr aphen e mon olayer, wherein: the cradi ent includes one or m ore of a temperature grad ieLt a pre ssu re gradient. a con c entration g rad ient, a polarity gradient, and a n electrochemical potent i al g rad ient. Previously presented
(Previousl y Presented) The g as detection device of claim 1, wherein the plurality of discrete pores have a uni form 1por e size. Previously presented
T he g as detection device of claim 1, wherein the sensor device is selected from on e of a: metal -oxide, non-metal oxide, catalytic, opt i cal, resistance- b ased, thermal ly conductive, work Iunction-based, mechan i cal acoustic, and electrochemical sensor con tgure d to dete ct the p iese'ncc of hydro gen. Previously presented
(P r eviously Pr esente d) The g as detection device of cla im 2, where in eac h pore i n the plurality o f discr e te pores in c lud e s at le ast one carbon vacancy d el' ect in the grap hene monolayer. Previously presented
- 7. Canceled
Canceled
T he ga s detection device of cl aim 1, wherein the substrat e includes one or more of a polyethylene, polypropylene. polyes t er. polyurethane. polystyrene. polysulf one. polyethersulfme. Sic),. SiC'. and/o r Si su b strate. Previously presented
11. (Cancel l ed) Canceled
- 33. Canceled
Canceled
3 4. (Curre n tly A m ended) A system to manufactur e a g as detection device. th e syste m comprising: a c ontrol le r communicatively c oupled to a grap h ene source that pro x ides a graphene m embrane, a s ubstrate source that provides a substrate. and a sensor device applicator. wherein the controler is configure d to: instruct t h e graphene sour ce to p rovide the graphene membrane, wherein; the grap h ene membrane includes a graphen e monola y er with a plurality of discrete pores havin g a siz e-selectivit y based on a diameter o f eac h o f the plurality of discrete pores Io r passage o f h ydrog en across the graph e ne m embrane fo r detection by a sensor device, a nd having the su/e-s e lect ivi ty f or inhibiti on of passa g e o f methane across t hle graphene membrane so as to restrict the methane fro m contact wit h the sensor device and thus to protect the sensor d e ice from contamination that reduces a sensitivity o f the sensor device to detect a presence of t he hydrogen, the diameter of each of tIl e plurality of discrete pores of the graphene m embra n e is 2.5 An g stroms. and a hy dro g en a n d methane separatio n selectivity of the g r aphene membrane is 1 0^ 23:1 based on the dia m eter of each of the plurality of discrete pores. a processor is coInfi (ure d to allow the hydrogen to be se lec tively perm eated throu gh the discrete pores of tle grapilenle m ono laye r by emiploynlent of a gradlien t across t h e g raphe ne Illon olayer, a n(the gradient inc lu des one or more of a temperat u re gradient, a pressure grad ioen t, a co ncen tratio n g rad i ent, a polarity g rad i ent, and an electroche mi cal pote ntia l g rad ient: instruct the s ubstrate s ource to provide t ile subs trat e to suppo rt the g rap hene membrane. wherein a portion of a s urface of the substrat e is depr esse d to f orm a cavity i n the surface of the substrate: and in struct the sensor device applicator to positio n the s ensor device withi n the cavity of the surf ace o f the subs trate, wherein t he sensor device is con fi ned below the surface of th e substrate by being positioned within t h e ca i ty, wihere in t h e sensor d ev ice is con f igured to detect t h e p r esence of the hlydrogen that crosses the grap h ene me nlb-anc, and wherein the sensor device co m prises a rigi d graphe n e sensor deposited w ith palladium na n oparticles to d ete c t the presence o f the hydro g en. Currently amended
The syst e m o f claim 34, wherein the controller is l rther Con lig ured to: instruct a sample manipulator to support formation of the graphene membrane from the grap he ne m onolay er w ith the plurality o t discrete pores, wh ich have a uniform pore size. Previously presented
39-40. (Cancell ed) Canceled
Canceled
(Pre vi ously Presented) T he system oI c laim 37, wh ere i n the controller is f urther con ig ured to: instruct an apparatus to l o rm the ca x ity i n the sur fac e of the s ubstrate. Previously presented
42 -43. Canceled
Canceled
Ih e syst e m of clai m 34, wherein the controller is fu rther Con f igured to: instruct an ele ctrod e applicator to couple the sensor devic e \N ith the s ubstrate b y an insulation f rime and el ect rod e contac ts. Previously presented
- 49. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas detection device
system to manufacture gas detection device
Materials described outside the worked examples.
graphene monolayer with discrete pores
graphene sensor deposited with palladium nanoparticles
palladium nanoparticles
Pd
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene membrane discrete pore diameter | 2.5 Angstroms | graphene monolayer with discrete pores |
Patent
Atlas literature
Patent
US 9,759,700Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
(Previous ly Presented) A L as detection device, compr i sin g: a substrate, wherein a portion o fla s urface o f the substrate is d epressed to form a cavity in the surface of the substrate; a s ensor d e vic e comprising a r ig id grap he ne sensor deposited w ith palladium nanoparticles, wherein the sensor device: is coupled to the substrate and positioned within the cavity, is confined below the s urfa ce of the su bstrate by be ing positioned withi n the cavity. is conf I ured to detect a presence o f hydro gen, and has a sensitivity-to d etect the presence of the hydro gen, that is redu c ed in response to the sensor device being subjected to contamination fion me thane: a g raphene membrane coupled to the sensor device by at least one of an insulation frame and o ne or more electrode contacts, wh e rei n: the graphene me mbran e includes a g raphene monolaye r w ith a plu r ality of discrete pores havin g a size-selectivity based o n a diameter of each of the plurality of discrete pores fo r passage of the hydro g en across the g raph ene membrane f o r detection by the sensor de v ice, and havin g the si i e-selectivit y for inhibition of passa g e of the methane across the g raphene membrane so as to r estrict the m etha n e f rom contact with the sensor device and th us to prOte ct t h e sensor device From the co ntaininati on that reduc es the sensitivity of th e sensor dev ice to detect the presence of the hydro gen, the diameter of' each of the plurality of discrete pores of' the gir aphen e mem bra ne is 2. 5 Angstr oms, and a hydro g en and melhCane separation Seleclivity ohlle graphene membrane is 10''23:1 based o n the diameter o f each o1 the plurality of discrete pores; and a proc ess or configur ed to allow the hydrogen to be selectively permeated throu g h the disc r ete pores of the g raphe n e monolayer by employ men t of a g radi en t across the gr aphen e mon olayer, wherein: the cradi ent includes one or m ore of a temperature grad ieLt a pre ssu re gradient. a con c entration g rad ient, a polarity gradient, and a n electrochemical potent i al g rad ient. Previously presented
(Previousl y Presented) The g as detection device of claim 1, wherein the plurality of discrete pores have a uni form 1por e size. Previously presented
T he g as detection device of claim 1, wherein the sensor device is selected from on e of a: metal -oxide, non-metal oxide, catalytic, opt i cal, resistance- b ased, thermal ly conductive, work Iunction-based, mechan i cal acoustic, and electrochemical sensor con tgure d to dete ct the p iese'ncc of hydro gen. Previously presented
(P r eviously Pr esente d) The g as detection device of cla im 2, where in eac h pore i n the plurality o f discr e te pores in c lud e s at le ast one carbon vacancy d el' ect in the grap hene monolayer. Previously presented
- 7. Canceled
Canceled
T he ga s detection device of cl aim 1, wherein the substrat e includes one or more of a polyethylene, polypropylene. polyes t er. polyurethane. polystyrene. polysulf one. polyethersulfme. Sic),. SiC'. and/o r Si su b strate. Previously presented
11. (Cancel l ed) Canceled
- 33. Canceled
Canceled
3 4. (Curre n tly A m ended) A system to manufactur e a g as detection device. th e syste m comprising: a c ontrol le r communicatively c oupled to a grap h ene source that pro x ides a graphene m embrane, a s ubstrate source that provides a substrate. and a sensor device applicator. wherein the controler is configure d to: instruct t h e graphene sour ce to p rovide the graphene membrane, wherein; the grap h ene membrane includes a graphen e monola y er with a plurality of discrete pores havin g a siz e-selectivit y based on a diameter o f eac h o f the plurality of discrete pores Io r passage o f h ydrog en across the graph e ne m embrane fo r detection by a sensor device, a nd having the su/e-s e lect ivi ty f or inhibiti on of passa g e o f methane across t hle graphene membrane so as to restrict the methane fro m contact wit h the sensor device and thus to protect the sensor d e ice from contamination that reduces a sensitivity o f the sensor device to detect a presence of t he hydrogen, the diameter of each of tIl e plurality of discrete pores of the graphene m embra n e is 2.5 An g stroms. and a hy dro g en a n d methane separatio n selectivity of the g r aphene membrane is 1 0^ 23:1 based on the dia m eter of each of the plurality of discrete pores. a processor is coInfi (ure d to allow the hydrogen to be se lec tively perm eated throu gh the discrete pores of tle grapilenle m ono laye r by emiploynlent of a gradlien t across t h e g raphe ne Illon olayer, a n(the gradient inc lu des one or more of a temperat u re gradient, a pressure grad ioen t, a co ncen tratio n g rad i ent, a polarity g rad i ent, and an electroche mi cal pote ntia l g rad ient: instruct the s ubstrate s ource to provide t ile subs trat e to suppo rt the g rap hene membrane. wherein a portion of a s urface of the substrat e is depr esse d to f orm a cavity i n the surface of the substrate: and in struct the sensor device applicator to positio n the s ensor device withi n the cavity of the surf ace o f the subs trate, wherein t he sensor device is con fi ned below the surface of th e substrate by being positioned within t h e ca i ty, wihere in t h e sensor d ev ice is con f igured to detect t h e p r esence of the hlydrogen that crosses the grap h ene me nlb-anc, and wherein the sensor device co m prises a rigi d graphe n e sensor deposited w ith palladium na n oparticles to d ete c t the presence o f the hydro g en. Currently amended
The syst e m o f claim 34, wherein the controller is l rther Con lig ured to: instruct a sample manipulator to support formation of the graphene membrane from the grap he ne m onolay er w ith the plurality o t discrete pores, wh ich have a uniform pore size. Previously presented
39-40. (Cancell ed) Canceled
Canceled
(Pre vi ously Presented) T he system oI c laim 37, wh ere i n the controller is f urther con ig ured to: instruct an apparatus to l o rm the ca x ity i n the sur fac e of the s ubstrate. Previously presented
42 -43. Canceled
Canceled
Ih e syst e m of clai m 34, wherein the controller is fu rther Con f igured to: instruct an ele ctrod e applicator to couple the sensor devic e \N ith the s ubstrate b y an insulation f rime and el ect rod e contac ts. Previously presented
- 49. Canceled
Canceled
Layer stacks claimed or described, ordered top of device to substrate.
gas detection device
system to manufacture gas detection device
Materials described outside the worked examples.
graphene monolayer with discrete pores
graphene sensor deposited with palladium nanoparticles
palladium nanoparticles
Pd
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
graphene membrane discrete pore diameter | 2.5 Angstroms | graphene monolayer with discrete pores |
substrate material
hydrogen/methane separation selectivity of graphene membrane |
| 10²³:1 |
graphene monolayer with discrete pores |
substrate material
hydrogen/methane separation selectivity of graphene membrane |
| 10²³:1 |
graphene monolayer with discrete pores |
substrate material
hydrogen/methane separation selectivity of graphene membrane |
| 10²³:1 |
graphene monolayer with discrete pores |
substrate material
hydrogen/methane separation selectivity of graphene membrane |
| 10²³:1 |
graphene monolayer with discrete pores |