KR101002521B1 - Al합금막을 이용한 저접촉 전기 저항형 전극 및 그 제조방법 및 표시 장치 - Google Patents
Al합금막을 이용한 저접촉 전기 저항형 전극 및 그 제조방법 및 표시 장치 Download PDFInfo
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000005530 etching Methods 0.000 claims description 18
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- 239000012670 alkaline solution Substances 0.000 claims description 11
- 238000001039 wet etching Methods 0.000 claims description 11
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- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 229910000765 intermetallic Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 abstract description 200
- 239000010409 thin film Substances 0.000 abstract description 33
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- 238000000034 method Methods 0.000 abstract description 22
- 238000005275 alloying Methods 0.000 abstract description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 24
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 24
- 239000004973 liquid crystal related substance Substances 0.000 description 22
- 238000012360 testing method Methods 0.000 description 18
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- 238000010586 diagram Methods 0.000 description 9
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- 230000015572 biosynthetic process Effects 0.000 description 7
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- 229910004205 SiNX Inorganic materials 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 238000000059 patterning Methods 0.000 description 6
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
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- 229910017107 AlOx Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
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- 229910052779 Neodymium Inorganic materials 0.000 description 2
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
Abstract
Description
Claims (13)
- 산화물 투명 도전막과 직접 접촉하는 Al 합금막으로 이루어지는 저접촉 전기 저항형 전극에 있어서, 상기 Al 합금막은 Al보다도 이온화 경향이 작은 금속 원소를 0.1 내지 1.0 원자%의 비율로 함유하고, 또한 Al 합금막의 산화물 투명 전극과 직접 접촉하는 Al 합금막 표면은 최대 높이 거칠기(Rz)로 5 ㎚ 이상인 요철이 드라이 에칭 또는 웨트 에칭에 의해 형성된 것을 특징으로 하는 Al 합금막을 이용한 저접촉 전기 저항형 전극.
- 제1항에 있어서, 상기 Al보다도 불활성인 금속 원소는 Ni, Co, Ag, Au 및 Zn으로 이루어지는 군으로부터 선택되는 1종 이상이고, 이들 원소를 포함하는 금속간 화합물이 Al 합금막 표면으로 석출됨으로써 상기 요철이 형성되는 것인 저접촉 전기 저항형 전극.
- 제2항에 있어서, 상기 Al 합금막은 또한 희토류 원소의 1종 이상을 0.1 내지 0.5 원자%의 비율로 함유하는 것인 저접촉 전기 저항형 전극.
- 제1항에 있어서, 저접촉 전기 저항형 전극이 게이트 전극인 저접촉 전기 저항형 전극.
- 제1항에 있어서, 저접촉 전기 저항형 전극이 소스 드레인 전극인 저접촉 전 기 저항형 전극.
- 제1항에 기재된 저접촉 전기 저항형 전극을 구비한 것인 표시 장치.
- 제2항에 기재된 저접촉 전기 저항형 전극을 구비한 것인 표시 장치.
- 제3항에 기재된 저접촉 전기 저항형 전극을 구비한 것인 표시 장치.
- 제4항에 기재된 저접촉 전기 저항형 전극을 구비한 것인 표시 장치.
- 제5항에 기재된 저접촉 전기 저항형 전극을 구비한 것인 표시 장치.
- 제1항에 기재된 웨트 에칭에 의해 요철이 형성된 저접촉 전기 저항형 전극을 제조하는데 있어서, 산화물 투명 도전막과 직접 접촉시키는 것에 앞서서, Al 합금막 표면을 알칼리 용액으로 웨트 에칭함으로써 상기 요철을 형성하는 단계를 포함하는 것을 특징으로 하는 저접촉 전기 저항형 전극의 제조 방법.
- 제11항에 있어서, 상기 요철 형성 단계에서 에칭에 의한 깊이가 5 ㎚ 이상인 저접촉 전기 저항형 전극의 제조 방법.
- 제1항에 기재된 드라이 에칭에 의해 요철이 형성된 저접촉 전기 저항형 전극을 제조하는데 있어서, 산화물 투명 도전막과 직접 접촉시키는 것에 앞서서, Al 합금막 표면을 SF6과 Ar의 혼합 가스로 드라이 에칭함으로써 상기 요철을 형성하는 단계를 포함하는 것을 특징으로 하는 저접촉 전기 저항형 전극의 제조 방법.
Applications Claiming Priority (2)
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JPJP-P-2007-00168295 | 2007-06-26 | ||
JP2007168295 | 2007-06-26 |
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KR20080114574A KR20080114574A (ko) | 2008-12-31 |
KR101002521B1 true KR101002521B1 (ko) | 2010-12-17 |
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Country Status (5)
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US (1) | US20090001373A1 (ko) |
JP (1) | JP2009033140A (ko) |
KR (1) | KR101002521B1 (ko) |
CN (1) | CN101335294A (ko) |
TW (1) | TWI405336B (ko) |
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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 |
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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CN102077323A (zh) * | 2008-07-03 | 2011-05-25 | 株式会社神户制钢所 | 配线结构、薄膜晶体管基板及其制造方法、以及显示装置 |
JP2010065317A (ja) * | 2008-08-14 | 2010-03-25 | Kobe Steel Ltd | 表示装置およびこれに用いるCu合金膜 |
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- 2008-06-23 CN CN200810128672.5A patent/CN101335294A/zh active Pending
- 2008-06-25 KR KR1020080059933A patent/KR101002521B1/ko active IP Right Grant
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US20090001373A1 (en) | 2009-01-01 |
TW200919734A (en) | 2009-05-01 |
CN101335294A (zh) | 2008-12-31 |
KR20080114574A (ko) | 2008-12-31 |
TWI405336B (zh) | 2013-08-11 |
JP2009033140A (ja) | 2009-02-12 |
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