JP2013254931A - 薄膜トランジスタ基板 - Google Patents
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- JP2013254931A JP2013254931A JP2013004645A JP2013004645A JP2013254931A JP 2013254931 A JP2013254931 A JP 2013254931A JP 2013004645 A JP2013004645 A JP 2013004645A JP 2013004645 A JP2013004645 A JP 2013004645A JP 2013254931 A JP2013254931 A JP 2013254931A
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- barrier layer
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- 239000010409 thin film Substances 0.000 title claims abstract description 82
- 239000000758 substrate Substances 0.000 title claims abstract description 75
- 230000004888 barrier function Effects 0.000 claims abstract description 107
- 239000004065 semiconductor Substances 0.000 claims abstract description 78
- 229910018487 Ni—Cr Inorganic materials 0.000 claims abstract description 42
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000010410 layer Substances 0.000 claims description 187
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 79
- 239000011241 protective layer Substances 0.000 claims description 60
- 239000010949 copper Substances 0.000 claims description 44
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 38
- 229910052802 copper Inorganic materials 0.000 claims description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 35
- 229910052759 nickel Inorganic materials 0.000 claims description 35
- 229910052782 aluminium Inorganic materials 0.000 claims description 30
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 25
- 239000010936 titanium Substances 0.000 claims description 25
- 239000011651 chromium Substances 0.000 claims description 23
- 239000010408 film Substances 0.000 claims description 21
- 229910052709 silver Inorganic materials 0.000 claims description 21
- 239000004332 silver Substances 0.000 claims description 21
- 239000011777 magnesium Substances 0.000 claims description 18
- 239000011572 manganese Substances 0.000 claims description 18
- 239000010955 niobium Substances 0.000 claims description 18
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims description 14
- 239000011733 molybdenum Substances 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 13
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 229910052715 tantalum Inorganic materials 0.000 claims description 12
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052738 indium Inorganic materials 0.000 claims description 11
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 9
- 229910052779 Neodymium Inorganic materials 0.000 claims description 9
- 239000010941 cobalt Substances 0.000 claims description 9
- 229910017052 cobalt Inorganic materials 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 9
- 229910052758 niobium Inorganic materials 0.000 claims description 9
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 9
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052721 tungsten Inorganic materials 0.000 claims description 9
- 239000010937 tungsten Substances 0.000 claims description 9
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 32
- 239000002184 metal Substances 0.000 abstract description 32
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- 238000005530 etching Methods 0.000 description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 6
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 229910000881 Cu alloy Inorganic materials 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 238000007740 vapor deposition Methods 0.000 description 5
- 229910001316 Ag alloy Inorganic materials 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 229910007541 Zn O Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000788 chromium alloy Substances 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910007611 Zn—In—O Inorganic materials 0.000 description 2
- 229910007604 Zn—Sn—O Inorganic materials 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- KYKLWYKWCAYAJY-UHFFFAOYSA-N oxotin;zinc Chemical compound [Zn].[Sn]=O KYKLWYKWCAYAJY-UHFFFAOYSA-N 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/45—Ohmic electrodes
- H01L29/456—Ohmic electrodes on silicon
- H01L29/458—Ohmic electrodes on silicon for thin film silicon, e.g. source or drain electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4908—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET for thin film semiconductor, e.g. gate of TFT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
- H01L29/78693—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate the semiconducting oxide being amorphous
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
【解決手段】
本発明の一実施形態による薄膜トランジスタ基板は、絶縁基板上に配置される半導体層、前記半導体層と重なるゲート電極、前記半導体層と重なるソース電極及びドレイン電極を含み、前記ソース電極と前記半導体層の間に配置される第1バリア層、及び前記ドレイン電極と前記半導体層の間に配置される第2バリア層を含み、前記第1バリア層と前記第2バリア層はニッケルクロム(NiCr)を含む。
【選択図】図1
Description
さらに具体的に、第1バリア層161と第2バリア層162を構成するニッケルクロムは、燐酸、硝酸、及び酢酸を含むエッチング液を利用してエッチングしてもよい。このように燐酸、硝酸、及び酢酸を含むエッチング液は、処理可能なエッチング回数が他の種類のエッチング液より高くて、製造コストを下げることができる。
バリア層を構成する成分を除いて、それ以外の実験条件は同一にした。
120 ゲート電極
121 第3バリア層
123 第3保護層
130 ゲート絶縁膜
150 半導体層
161 第1バリア層
162 第2バリア層
171 ソース電極
172 ドレイン電極
181 第1保護層
182 第2保護層
Claims (21)
- 絶縁基板上に配置される半導体層、
前記半導体層と重なるゲート電極、
前記半導体層と重なるソース電極及びドレイン電極を含み、
前記ソース電極と前記半導体層の間に配置される第1バリア層、及び
前記ドレイン電極と前記半導体層の間に配置される第2バリア層を含み、
前記第1バリア層と前記第2バリア層はニッケルクロム(NiCr)を含む薄膜トランジスタ基板。 - 前記半導体は酸化物半導体を含む、請求項1に記載の薄膜トランジスタ基板。
- 前記ソース電極及び前記ドレイン電極は、銅、アルミニウム、及び銀のいずれか一つを含む、請求項2に記載の薄膜トランジスタ基板。
- 前記第1バリア層と前記第2バリア層は、バナジウム(V)、チタニウム(Ti)、ジルコニウム(Zr)、アルミニウム(Al)、鉄(Fe)、インジウム(In)、タンタル(Ta)、マンガン(Mn)、マグネシウム(Mg)、クロム(Cr)、モリブデン(Mo)、コバルト(Co)、ニッケル(Ni)、錫(Sn)、タングステン(W)、ニオビウム(Nb)、ネオジム(Nd)のうちから選択した元素を少なくとも一つ以上含む、請求項3に記載の薄膜トランジスタ基板。
- 前記ソース電極の表面のうちの前記第1バリア層が配置されていないいずれか一つの表面上に配置される第1保護層、及び
前記ドレイン電極の表面のうちの前記第2バリア層が配置されていないいずれか一つの表面上に配置される第2保護層をさらに含み、
前記第1保護層と前記第2保護層はニッケルクロムを含む、請求項4に記載の薄膜トランジスタ基板。 - 前記ゲート電極は、銅、アルミニウム、及び銀のいずれか一つを含み、
前記ゲート電極の下部に配置される第3バリア層をさらに含み、
前記第3バリア層はニッケルクロムを含む、請求項5に記載の薄膜トランジスタ基板。 - 前記ゲート電極の上部に配置される第3保護膜をさらに含み、
前記第3保護膜はニッケルクロムを含む、請求項6に記載の薄膜トランジスタ基板。 - 前記ソース電極及び前記ドレイン電極は、銅、アルミニウム、及び銀のいずれか一つを含む、請求項1に記載の薄膜トランジスタ基板。
- 前記第1バリア層と前記第2バリア層は、バナジウム(V)、チタニウム(Ti)、ジルコニウム(Zr)、アルミニウム(Al)、鉄(Fe)、インジウム(In)、タンタル(Ta)、マンガン(Mn)、マグネシウム(Mg)、クロム(Cr)、モリブデン(Mo)、コバルト(Co)、ニッケル(Ni)、錫(Sn)、タングステン(W)、ニオビウム(Nb)、ネオジム(Nd)のうちから選択した元素を少なくとも一つ以上含む、請求項8に記載の薄膜トランジスタ基板。
- 前記ソース電極の表面のうちの前記第1バリア層が配置されていないいずれか一つの表面上に配置される第1保護層、及び
前記ドレイン電極の表面のうちの前記第2バリア層が配置されていないいずれか一つの表面上に配置される第2保護層をさらに含み、
前記第1保護層と前記第2保護層はニッケルクロムを含む、請求項9に記載の薄膜トランジスタ基板。 - 前記ゲート電極は、銅、アルミニウム、及び銀のいずれか一つを含み、
前記ゲート電極の下部に配置される第3バリア層をさらに含み、
前記第3バリア層はニッケルクロムを含む、請求項10に記載の薄膜トランジスタ基板。 - 前記ゲート電極の上部に配置される第3保護膜をさらに含み、
前記第3保護膜はニッケルクロムを含む、請求項11に記載の薄膜トランジスタ基板。 - 前記第1バリア層と前記第2バリア層は、バナジウム(V)、チタニウム(Ti)、ジルコニウム(Zr)、アルミニウム(Al)、鉄(Fe)、インジウム(In)、タンタル(Ta)、マンガン(Mn)、マグネシウム(Mg)、クロム(Cr)、モリブデン(Mo)、コバルト(Co)、ニッケル(Ni)、錫(Sn)、タングステン(W)、ニオビウム(Nb)、ネオジム(Nd)のうちから選択した元素を少なくとも一つ以上含む、請求項1に記載の薄膜トランジスタ基板。
- 前記ソース電極の表面のうちの前記第1バリア層が配置されていないいずれか一つの表面上に配置される第1保護層、及び
前記ドレイン電極の表面のうちの前記第2バリア層が配置されていないいずれか一つの表面上に配置される第2保護層をさらに含み、
前記第1保護層と前記第2保護層はニッケルクロムを含む、請求項13に記載の薄膜トランジスタ基板。 - 前記ゲート電極は、銅、アルミニウム、及び銀のいずれか一つを含み、
前記ゲート電極の下部に配置される第3バリア層をさらに含み、
前記第3バリア層はニッケルクロムを含む、請求項14に記載の薄膜トランジスタ基板。 - 前記ゲート電極の上部に配置される第3保護膜をさらに含み、
前記第3保護膜はニッケルクロムを含む、請求項15に記載の薄膜トランジスタ基板。 - 前記ソース電極の表面のうちの前記第1バリア層が配置されていないいずれか一つの表面上に配置される第1保護層、及び
前記ドレイン電極の表面のうちの前記第2バリア層が配置されていないいずれか一つの表面上に配置される第2保護層をさらに含み、
前記第1保護層と前記第2保護層はニッケルクロムを含む、請求項1に記載の薄膜トランジスタ基板。 - 前記ゲート電極は、銅、アルミニウム、及び銀のいずれか一つを含み、
前記ゲート電極の下部に配置される第3バリア層をさらに含み、
前記第3バリア層はニッケルクロムを含む、請求項17に記載の薄膜トランジスタ基板。 - 前記ゲート電極の上部に配置される第3保護膜をさらに含み、
前記第3保護膜はニッケルクロムを含む、請求項18に記載の薄膜トランジスタ基板。 - 前記ゲート電極は、銅、アルミニウム、及び銀のいずれか一つを含み、
前記ゲート電極の下部に配置される第3バリア層をさらに含み、
前記第3バリア層はニッケルクロムを含む、請求項1に記載の薄膜トランジスタ基板。 - 前記ゲート電極の上部に配置される第3保護膜をさらに含み、
前記第3保護膜はニッケルクロムを含む、請求項20に記載の薄膜トランジスタ基板。
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US20130320344A1 (en) | 2013-12-05 |
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CN103474431A (zh) | 2013-12-25 |
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