KR100878243B1 - 다결정 규소 박막 트랜지스터의 제조 방법 - Google Patents
다결정 규소 박막 트랜지스터의 제조 방법 Download PDFInfo
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- KR100878243B1 KR100878243B1 KR1020020060499A KR20020060499A KR100878243B1 KR 100878243 B1 KR100878243 B1 KR 100878243B1 KR 1020020060499 A KR1020020060499 A KR 1020020060499A KR 20020060499 A KR20020060499 A KR 20020060499A KR 100878243 B1 KR100878243 B1 KR 100878243B1
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- 239000010409 thin film Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 42
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229920005591 polysilicon Polymers 0.000 title abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 41
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 27
- 239000010408 film Substances 0.000 claims abstract description 26
- 239000004065 semiconductor Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000002425 crystallisation Methods 0.000 claims abstract description 14
- 230000008025 crystallization Effects 0.000 claims abstract description 13
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000000206 photolithography Methods 0.000 claims abstract description 4
- 239000007790 solid phase Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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
-
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/268—Bombardment with radiation with high-energy radiation using electromagnetic radiation, e.g. laser radiation
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- High Energy & Nuclear Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (5)
- 절연 기판의 상부에 비정질 규소 박막을 형성하는 단계,레이저의 투과 영역을 정의하는 슬릿 패턴을 가지는 마스크를 이용하여 결정화를 진행하는 순차적 고상 결정 공정에 있어서 레이저 조사 영역의 경계선이 상기 슬릿 패턴의 가장자리를 지나도록 상기 레이저 조사 영역을 정의하여 레이저를 조사하여 상기 비정질 규소 박막을 다결정 규소 박막으로 결정화하는 단계,마스크를 이용한 사진 식각 공정으로 상기 다결정 규소 박막을 패터닝하여 반도체층을 형성하는 단계,상기 반도체층을 덮는 게이트 절연막을 형성하는 단계,상기 반도체층의 상기 게이트 절연막의 상부에 위치하는 게이트 전극을 포함하는 게이트 배선을 형성하는 단계,상기 반도체층에 불순물을 주입하여 소스 및 드레인 영역을 형성하는 단계,상기 게이트 배선을 덮는 층간 절연막을 형성하는 단계,상기 게이트 절연막 또는 상기 층간 절연막을 식각하여 상기 소스 및 드레인 영역을 드러내는 접촉 구멍을 각각 형성하는 단계,상기 접촉 구멍을 통하여 상기 소스 및 드레인 전극과 각각 연결되는 소스 및 드레인 전극을 포함하는 데이터 배선을 형성하는 단계를 포함하는 박막 트랜지스터의 제조 방법.
- 제1항에서,상기 순차적 고상 결정은 적어도 상기 슬릿 패턴이 서로 어긋나 배열되어 있는 둘 이상의 슬릿 영역을 가지는 상기 마스크를 이용하는 박막 트랜지스터의 제조 방법.
- 제2항에서,상기 레이저 조사 영역의 경계선은 상기 마스크의 첫 번째 상기 슬릿 영역에 배열되어 있는 상기 슬릿 패턴의 긴 변과 교차하면서 첫 번째 상기 슬릿 영역의 상기 슬릿 패턴 중 최외곽의 짧은 변에 인접하게 위치하는 박막 트랜지스터의 제조 방법.
- 제1항에서,상기 드레인 전극과 연결되는 화소 전극을 형성하는 단계를 더 포함하는 박막 트랜지스터의 제조 방법.
- 제4항에서,상기 화소 전극은 투명한 도전 물질 또는 반사율을 가지는 도전 물질로 형성하는 박막 트랜지스터의 제조 방법.
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KR20040031136A KR20040031136A (ko) | 2004-04-13 |
KR100878243B1 true KR100878243B1 (ko) | 2009-01-13 |
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Citations (3)
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KR20020027315A (ko) * | 2000-03-16 | 2002-04-13 | 추후보정 | 연속 모션 sls를 제공하기 위한 방법 및 시스템 |
KR20020054609A (ko) * | 2000-12-28 | 2002-07-08 | 구본준, 론 위라하디락사 | 실리콘 결정화 장치와 실리콘 결정화 방법 |
KR20030017302A (ko) * | 2001-08-21 | 2003-03-03 | 삼성전자주식회사 | 다결정 규소용 마스크 및 이를 이용한 박막 트랜지스터의제조 방법 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020027315A (ko) * | 2000-03-16 | 2002-04-13 | 추후보정 | 연속 모션 sls를 제공하기 위한 방법 및 시스템 |
KR20020054609A (ko) * | 2000-12-28 | 2002-07-08 | 구본준, 론 위라하디락사 | 실리콘 결정화 장치와 실리콘 결정화 방법 |
KR20030017302A (ko) * | 2001-08-21 | 2003-03-03 | 삼성전자주식회사 | 다결정 규소용 마스크 및 이를 이용한 박막 트랜지스터의제조 방법 |
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