KR100775130B1 - 반도체장치 - Google Patents
반도체장치 Download PDFInfo
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- KR100775130B1 KR100775130B1 KR1020060132616A KR20060132616A KR100775130B1 KR 100775130 B1 KR100775130 B1 KR 100775130B1 KR 1020060132616 A KR1020060132616 A KR 1020060132616A KR 20060132616 A KR20060132616 A KR 20060132616A KR 100775130 B1 KR100775130 B1 KR 100775130B1
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- Prior art keywords
- tft
- gate
- film
- insulating film
- semiconductor
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 89
- 239000010410 layer Substances 0.000 claims description 224
- 239000010408 film Substances 0.000 claims description 198
- 239000000463 material Substances 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 42
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 33
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 19
- 229910052721 tungsten Inorganic materials 0.000 claims description 19
- 239000010937 tungsten Substances 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 15
- 239000011229 interlayer Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
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- 230000006866 deterioration Effects 0.000 description 15
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- 238000010586 diagram Methods 0.000 description 13
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- 229910052814 silicon oxide Inorganic materials 0.000 description 5
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- 239000003513 alkali Substances 0.000 description 3
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 3
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- 150000002500 ions Chemical class 0.000 description 3
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical class [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
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- 229910000838 Al alloy Inorganic materials 0.000 description 2
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- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
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- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 2
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- 238000005247 gettering Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
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- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 2
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- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910001362 Ta alloys Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
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- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
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- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
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- 239000002274 desiccant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-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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- 239000007773 negative electrode material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
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- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- 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
- H10D30/6739—Conductor-insulator-semiconductor electrodes
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
금속 재료 | 막 두께(Å) | 시트저항(Ω/?) |
TaN\Ta | 500\3500 | 1.58 |
W | 4000 | 0.36 |
Al-Nd | 2500 | 0.19 |
TaN\Ta\Al-Nd | 500\3500\2500 | 0.16 |
W\Al-Nd | 4000\2500 | 0.12 |
마스크 설계값 (폭×길이×콘택트 수) | TaN\Ta 게이트 전극 | W 게이트 전극 | ||
저항(Ω) | 저항(Ω) | 저항(Ω) | 저항(Ω) | |
4 ㎛ ×10 ㎛ ×100 | 162.7 | 158.5 | 0.09 | 0.08 |
4 ㎛ ×10 ㎛ ×200 | 162.2 | 156.4 | 0.06 | 0.06 |
6 ㎛ ×10 ㎛ ×100 | 183.7 | 175.1 | 0.05 | 0.05 |
6 ㎛ ×10 ㎛ ×200 | 172.0 | 168.3 | 0.04 | 0.04 |
상승 | 하강 | |||
J4 구조 | J2 구조 | J4 구조 | J2 구조 | |
입력부 | 115 | 26 | 51 | 27 |
단자부 | 170 | 506 | 74 | 292 |
지연차 | 55 | 480 | 23 | 265 |
Claims (25)
- 반도체;상기 반도체 위에 형성된 게이트 절연막;상기 게이트 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 텅스텐층을 포함하는 게이트 전극; 및상기 게이트 전극 위에 형성된 층간절연막을 포함하는 것을 특징으로 하는 반도체장치.
- 반도체;상기 반도체 위에 형성된 절연막; 및상기 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 텅스텐층을 포함하는 게이트 전극을 포함하는 것을 특징으로 하는 반도체장치.
- 반도체;상기 반도체 위에 형성된 게이트 절연막;상기 게이트 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 텅스텐층을 포함하는 게이트 전극; 및상기 게이트 전극 위에 형성된 층간절연막을 포함하고;상기 질화탄탈층이 10∼50 nm의 두께를 가지는 것을 특징으로 하는 반도체장 치.
- 반도체;상기 반도체 위에 형성된 절연막; 및상기 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 텅스텐층을 포함하는 게이트 전극을 포함하고;상기 질화탄탈층이 10∼50 nm의 두께를 가지는 것을 특징으로 하는 반도체장치.
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체;상기 반도체 위에 형성된 게이트 절연막;상기 게이트 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 금속층을 포함하는 게이트 전극; 및상기 게이트 전극 위에 형성된 층간절연막을 포함하는 것을 특징으로 하는 반도체장치.
- 반도체;상기 반도체 위에 형성된 절연막; 및상기 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 금속층을 포함하는 게이트 전극을 포함하는 것을 특징으로 하는 반도체장치.
- 반도체;상기 반도체 위에 형성된 게이트 절연막;상기 게이트 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 금속층을 포함하는 게이트 전극; 및상기 게이트 전극 위에 형성된 층간절연막을 포함하고;상기 질화탄탈층이 10∼50 nm의 두께를 가지는 것을 특징으로 하는 반도체장치.
- 반도체;상기 반도체 위에 형성된 절연막; 및상기 절연막과 직접 접하여 있는 질화탄탈층과, 그 질화탄탈층 위의 금속층을 포함하는 게이트 전극을 포함하고;상기 질화탄탈층이 10∼50 nm의 두께를 가지는 것을 특징으로 하는 반도체장치.
- 삭제
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- 제 1 항 내지 제 4 항, 제 9 항 내지 제 12 항 중 어느 한 항에 있어서, 상기 반도체장치가 박막트랜지스터인 것을 특징으로 하는 반도체장치.
- 제 1 항, 제 3 항, 제 9 항, 제 11 항 중 어느 한 항에 있어서, 상기 게이트 절연막이 규소를 함유하는 것을 특징으로 하는 반도체장치.
- 제 2 항, 제 4 항, 제 10 항, 제 12 항 중 어느 한 항에 있어서, 상기 절연막이 규소를 함유하는 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 상기 텅스텐층이 상기 질화탄탈층과 접하여 있는 것을 특징으로 하는 반도체장치.
- 제 9 항 내지 제 12 항 중 어느 한 항에 있어서, 상기 금속층이 상기 질화탄탈층과 접하여 있는 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 4 항, 제 9 항 내지 제 12 항 중 어느 한 항에 있어서, 상기 반도체가 절연 표면 상에 형성되어 있는 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 4 항, 제 9 항 내지 제 12 항 중 어느 한 항에 있어서, 상기 게이트 전극과 접하여 있고, 알루미늄과 구리로 이루어진 군에서 선택된 재료로 된 제3 도전층을 더 포함하는 것을 특징으로 하는 반도체장치.
- 제 9 항 내지 제 12 항 중 어느 한 항에 있어서, 상기 금속층이 200∼400 nm의 두께를 가지는 것을 특징으로 하는 반도체장치.
- 제 1 항 내지 제 4 항, 제 9 항 내지 제 12 항 중 어느 한 항에 있어서, 상기 반도체장치가, 퍼스널 컴퓨터, 비디오 카메라, 디지털 카메라, 전자책, 및 휴대형 정보 단말기로 이루어진 군에서 선택된 적어도 하나에 설치되는 것을 특징으로 하는 반도체장치.
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Citations (3)
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JPH0426825A (ja) * | 1990-05-22 | 1992-01-30 | Alps Electric Co Ltd | 薄膜トランジスタアレイおよびその製造方法 |
EP0582486A2 (en) * | 1992-08-07 | 1994-02-09 | Sharp Kabushiki Kaisha | A thin film transistor pair and a process for fabricating the same |
JPH10319431A (ja) * | 1997-05-15 | 1998-12-04 | Advanced Display:Kk | 薄膜トランジスタアレイ基板 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH0426825A (ja) * | 1990-05-22 | 1992-01-30 | Alps Electric Co Ltd | 薄膜トランジスタアレイおよびその製造方法 |
EP0582486A2 (en) * | 1992-08-07 | 1994-02-09 | Sharp Kabushiki Kaisha | A thin film transistor pair and a process for fabricating the same |
JPH10319431A (ja) * | 1997-05-15 | 1998-12-04 | Advanced Display:Kk | 薄膜トランジスタアレイ基板 |
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