KR100966205B1 - 박막 트랜지스터 기판 및 표시 디바이스 - Google Patents
박막 트랜지스터 기판 및 표시 디바이스 Download PDFInfo
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- KR100966205B1 KR100966205B1 KR1020080057675A KR20080057675A KR100966205B1 KR 100966205 B1 KR100966205 B1 KR 100966205B1 KR 1020080057675 A KR1020080057675 A KR 1020080057675A KR 20080057675 A KR20080057675 A KR 20080057675A KR 100966205 B1 KR100966205 B1 KR 100966205B1
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- oxygen
- thin film
- layer
- tft
- semiconductor layer
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- 239000010409 thin film Substances 0.000 title claims abstract description 80
- 239000000758 substrate Substances 0.000 title claims abstract description 75
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 123
- 239000001301 oxygen Substances 0.000 claims abstract description 120
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000004065 semiconductor Substances 0.000 claims abstract description 67
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 25
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 55
- 238000007254 oxidation reaction Methods 0.000 claims description 27
- 230000003647 oxidation Effects 0.000 claims description 21
- 125000004429 atom Chemical group 0.000 claims description 11
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 238000011282 treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 45
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- 238000010438 heat treatment Methods 0.000 description 17
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- 238000009792 diffusion process Methods 0.000 description 15
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- 238000004519 manufacturing process Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
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- 238000002474 experimental method Methods 0.000 description 8
- 238000004544 sputter deposition Methods 0.000 description 8
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- 229910000914 Mn alloy Inorganic materials 0.000 description 6
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- 229910001297 Zn alloy Inorganic materials 0.000 description 5
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- 229910017566 Cu-Mn Inorganic materials 0.000 description 2
- 229910017871 Cu—Mn Inorganic materials 0.000 description 2
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- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
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- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
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- 125000006850 spacer group Chemical group 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- 229910017818 Cu—Mg Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
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- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- -1 oxygen ions Chemical class 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Classifications
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- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02233—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer
- H01L21/02236—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor
-
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
Abstract
Description
Claims (9)
- 박막 트랜지스터의 반도체층과, 소스-드레인 전극을 갖는 박막 트랜지스터 기판에 있어서,상기 소스-드레인 전극은, 산소를 함유하는 산소 함유층과, 순Cu 또는 Cu 합금의 박막으로 이루어지고,상기 산소 함유층은 반도체층의 상부를 플라즈마 산화 처리 또는 가열 산화 처리함으로써 형성되고,상기 산소 함유층을 구성하는 산소의 일부 혹은 전부는, 상기 박막 트랜지스터의 상기 반도체층의 Si와 결합하고 있고,상기 순Cu 또는 Cu 합금의 박막은, 상기 산소 함유층을 개재하여 상기 박막 트랜지스터의 상기 반도체층과 접속하고,상기 산소 함유층을 구성하는 산소 원자수([O])와 Si 원자수([Si])의 비([O]/[Si])는 0.3 이상 2.0 이하의 범위 내인 것을 특징으로 하는 박막 트랜지스터 기판.
- 삭제
- 제1항에 있어서, 상기 산소 함유층의 두께는, 0.17 ㎚ 이상 3 ㎚ 이하의 범위 내인 박막 트랜지스터 기판.
- 제1항에 있어서, 상기 박막 트랜지스터의 상기 반도체층은, 아몰퍼스 실리콘 또는 다결정 실리콘으로 이루어지는 박막 트랜지스터 기판.
- 삭제
- 제3항에 있어서, 상기 박막 트랜지스터의 상기 반도체층은, 아몰퍼스 실리콘 또는 다결정 실리콘으로 이루어지는 박막 트랜지스터 기판.
- 제4항에 기재된 박막 트랜지스터 기판을 구비한 표시 디바이스.
- 삭제
- 제6항에 기재된 박막 트랜지스터 기판을 구비한 표시 디바이스.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007163093A JP2009004518A (ja) | 2007-06-20 | 2007-06-20 | 薄膜トランジスタ基板、および表示デバイス |
JPJP-P-2007-00163093 | 2007-06-20 |
Publications (2)
Publication Number | Publication Date |
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KR20080112132A KR20080112132A (ko) | 2008-12-24 |
KR100966205B1 true KR100966205B1 (ko) | 2010-06-25 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020080057675A KR100966205B1 (ko) | 2007-06-20 | 2008-06-19 | 박막 트랜지스터 기판 및 표시 디바이스 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7943933B2 (ko) |
JP (1) | JP2009004518A (ko) |
KR (1) | KR100966205B1 (ko) |
CN (1) | CN101330102B (ko) |
TW (1) | TWI425640B (ko) |
Families Citing this family (53)
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JP4330517B2 (ja) * | 2004-11-02 | 2009-09-16 | 株式会社神戸製鋼所 | Cu合金薄膜およびCu合金スパッタリングターゲット並びにフラットパネルディスプレイ |
JP4117001B2 (ja) | 2005-02-17 | 2008-07-09 | 株式会社神戸製鋼所 | 薄膜トランジスタ基板、表示デバイス、および表示デバイス用のスパッタリングターゲット |
JP2008098611A (ja) * | 2006-09-15 | 2008-04-24 | Kobe Steel Ltd | 表示装置 |
US8853695B2 (en) | 2006-10-13 | 2014-10-07 | Kobe Steel, Ltd. | Thin film transistor substrate including source-drain electrodes formed from a nitrogen-containing layer or an oxygen/nitrogen-containing layer |
JP4170367B2 (ja) | 2006-11-30 | 2008-10-22 | 株式会社神戸製鋼所 | 表示デバイス用Al合金膜、表示デバイス、及びスパッタリングターゲット |
JP4355743B2 (ja) * | 2006-12-04 | 2009-11-04 | 株式会社神戸製鋼所 | Cu合金配線膜とそのCu合金配線膜を用いたフラットパネルディスプレイ用TFT素子、及びそのCu合金配線膜を作製するためのCu合金スパッタリングターゲット |
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US7782413B2 (en) | 2007-05-09 | 2010-08-24 | Tohoku University | Liquid crystal display device and manufacturing method therefor |
JP2009038284A (ja) * | 2007-08-03 | 2009-02-19 | Mitsubishi Materials Corp | 薄膜トランジスター |
JP2009043798A (ja) * | 2007-08-07 | 2009-02-26 | Mitsubishi Materials Corp | 薄膜トランジスター |
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JP2009070881A (ja) * | 2007-09-11 | 2009-04-02 | Mitsubishi Materials Corp | 薄膜トランジスター |
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JP4469913B2 (ja) | 2008-01-16 | 2010-06-02 | 株式会社神戸製鋼所 | 薄膜トランジスタ基板および表示デバイス |
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JP5432550B2 (ja) * | 2008-03-31 | 2014-03-05 | 株式会社コベルコ科研 | Al基合金スパッタリングターゲットおよびその製造方法 |
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JP5139134B2 (ja) | 2008-03-31 | 2013-02-06 | 株式会社コベルコ科研 | Al−Ni−La−Cu系Al基合金スパッタリングターゲットおよびその製造方法 |
JP5475260B2 (ja) * | 2008-04-18 | 2014-04-16 | 株式会社神戸製鋼所 | 配線構造、薄膜トランジスタ基板およびその製造方法、並びに表示装置 |
JP5368867B2 (ja) * | 2008-04-23 | 2013-12-18 | 株式会社神戸製鋼所 | 表示装置用Al合金膜、表示装置およびスパッタリングターゲット |
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US20080315203A1 (en) | 2008-12-25 |
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US7943933B2 (en) | 2011-05-17 |
CN101330102B (zh) | 2012-07-25 |
KR20080112132A (ko) | 2008-12-24 |
CN101330102A (zh) | 2008-12-24 |
TW200910605A (en) | 2009-03-01 |
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