KR101361303B1 - 배선 구조 및 배선 구조를 구비한 표시 장치 - Google Patents
배선 구조 및 배선 구조를 구비한 표시 장치 Download PDFInfo
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- KR101361303B1 KR101361303B1 KR1020137009988A KR20137009988A KR101361303B1 KR 101361303 B1 KR101361303 B1 KR 101361303B1 KR 1020137009988 A KR1020137009988 A KR 1020137009988A KR 20137009988 A KR20137009988 A KR 20137009988A KR 101361303 B1 KR101361303 B1 KR 101361303B1
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
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- G—PHYSICS
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- 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
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- 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
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- G02F1/136286—Wiring, e.g. gate line, drain line
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- 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
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- G02F1/136286—Wiring, e.g. gate line, drain line
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/421—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer
- H10D86/423—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs having a particular composition, shape or crystalline structure of the active layer comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO
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- Electrodes Of Semiconductors (AREA)
Abstract
Description
도 2는 본 발명의 대표적인 배선 구조를 도시하는 개략 단면 설명도이다.
도 3은 종래의 배선 구조를 도시하는 개략 단면 설명도이다.
도 4는 본 발명의 대표적인 배선 구조를 도시하는 개략 단면 설명도이다.
도 5는 종래의 배선 구조를 도시하는 개략 단면 설명도이다.
도 6은 Cu 합금막과 글라스 기판과의 계면 근방의 단면 TEM 화상이다.
도 7은 도 6의 일부 확대 화상이다.
도 8은 단면 TEM 화상으로부터 EDX 라인 분석한 결과를 나타내는 그래프이다.
도 9는 실시예에 있어서, ITO 또는 IZO와의 콘택트 저항률의 측정에 사용한 전극 패턴을 도시하는 도면이다.
도 10은 실시예에 있어서, IGZO 또는 ZTO와의 콘택트 저항률의 측정에 사용한 전극 패턴을 도시하는 도면이다.
도 11은 표 1의 No.46의 TEM 화상이다.
도 12는 비교를 위해 제작한 시료의 TEM 화상이다.
도 13은 표 7의 No.4(열 처리 온도 350℃)에 대해서, 열 처리 후의 TEM 사진(배율 150만배)이다.
Claims (10)
- 기판 위에 기판측으로부터 순서대로, 배선막과, 박막 트랜지스터의 반도체층을 구비한 배선 구조이며,
상기 배선막과 기판 사이에 절연막을 구비하고,
상기 배선막은 Cu 합금막이며,
Zn, Ni, Ti, Al, Mg, Ca, W, Nb 및 Mn으로 이루어지는 군으로부터 선택되는 적어도 1종류의 원소를 합계 2 내지 20 원자% 함유하는 Cu 합금으로 이루어지는 제1층(Y)과,
순Cu 또는 Cu 합금이며 상기 제1층(Y)보다도 전기 저항률이 낮은 순Cu 또는 Cu 합금으로 이루어지는 제2층(X)을 포함하는 적층 구조를 갖고,
적어도 Mn, Zn 또는 Ti를 0.5 원자% 이상 함유하고, 또한 B, Ag, C, W, Ca 및 Mg으로 이루어지는 군으로부터 선택되는 적어도 1종류의 원소를 0.3 원자% 이상 함유하며,
상기 제1층(Y)은, 상기 기판 및 상기 절연막 중 적어도 1개와 직접 접속되어 있고,
상기 제2층(X)은, 상기 반도체층과 직접 접속되어 있고,
상기 반도체층은 산화물 반도체로 이루어지는, 배선 구조. - 제1항에 있어서, 상기 제1층(Y)의 막 두께가 10㎚ 이상 100㎚ 이하이며, Cu 합금막 전체막 두께에 대하여 60% 이하인, 배선 구조.
- 제1항에 있어서, 상기 기판 및 상기 절연막 중 적어도 1개와, 상기 Cu 합금막과의 계면에, Mn의 일부가 석출 또는 농화(濃化)하고 있는, 배선 구조.
- 제1항에 있어서, 상기 배선막은,
Mn, Ni, Zn, Al, Ti, Mg, Ca, W 및 Nb으로 이루어지는 군으로부터 선택되는 적어도 1종류의 원소를 함유하는 Cu 합금막이며, 또한 상기 기판 및 상기 절연막 중 적어도 1개, 및 상기 반도체층과 직접 접속되어 있는, 배선 구조. - 제4항에 있어서, 상기 Cu 합금막은 Mn, Ni, Zn, Al, Ti, Mg, Ca, W 및 Nb으로 이루어지는 군으로부터 선택되는 적어도 1종류의 원소를 0.5 내지 10 원자% 함유하는, 배선 구조.
- 제4항에 있어서, 상기 Cu 합금막은, 적어도 Mn을 0.5 원자% 이상 함유하는, 배선 구조.
- 제4항에 있어서, 상기 기판 및 상기 절연막 중 적어도 1개와, 상기 Cu 합금막과의 계면에, Mn의 일부가 석출 또는 농화하고 있는, 배선 구조.
- 제1항에 있어서, 상기 배선막은 Cu막인, 배선 구조.
- 제1항에 있어서, 상기 산화물 반도체는 In, Ga, Zn, Ti 및 Sn으로 이루어지는 군으로부터 선택되는 적어도 1종류의 원소를 함유하는 산화물로 이루어지는, 배선 구조.
- 제1항에 기재된 배선 구조를 구비한, 표시 장치.
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CN103972246A (zh) | 2014-08-06 |
CN103972246B (zh) | 2017-05-31 |
US8558382B2 (en) | 2013-10-15 |
CN102473732A (zh) | 2012-05-23 |
US20120126227A1 (en) | 2012-05-24 |
TW201125108A (en) | 2011-07-16 |
TWI437697B (zh) | 2014-05-11 |
KR20120031089A (ko) | 2012-03-29 |
WO2011013683A1 (ja) | 2011-02-03 |
CN102473732B (zh) | 2015-09-16 |
KR101320229B1 (ko) | 2013-10-21 |
KR20130052654A (ko) | 2013-05-22 |
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