KR100543002B1 - 블랙 매트릭스를 포함하는 박막 트랜지스터 및 이 박막트랜지스터에 사용되는 다결정 실리콘의 제조 방법 - Google Patents
블랙 매트릭스를 포함하는 박막 트랜지스터 및 이 박막트랜지스터에 사용되는 다결정 실리콘의 제조 방법 Download PDFInfo
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- KR100543002B1 KR100543002B1 KR1020030063751A KR20030063751A KR100543002B1 KR 100543002 B1 KR100543002 B1 KR 100543002B1 KR 1020030063751 A KR1020030063751 A KR 1020030063751A KR 20030063751 A KR20030063751 A KR 20030063751A KR 100543002 B1 KR100543002 B1 KR 100543002B1
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 31
- 239000011159 matrix material Substances 0.000 title claims abstract description 28
- 239000010409 thin film Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 22
- 229920005591 polysilicon Polymers 0.000 title 1
- 238000002425 crystallisation Methods 0.000 claims abstract description 33
- 230000008025 crystallization Effects 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000007790 solid phase Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 65
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 17
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 15
- 230000005684 electric field Effects 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 10
- 229910004205 SiNX Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910005881 NiSi 2 Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
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- 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
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78633—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device with a light shield
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- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
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- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
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- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/326—Application of electric currents or fields, e.g. for electroforming
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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
- H01L29/78603—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
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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
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78675—Polycrystalline or microcrystalline silicon transistor with normal-type structure, e.g. with top gate
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- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
Description
Claims (14)
- 기판;상기 기판 상에 형성된 블랙 매트릭스 층;상기 블랙 매트릭스 층 상부에 형성되는 버퍼층; 및상기 버퍼층 상에 고상 결정화법에 의하여 형성된 다결정 실리콘을 포함하는 것을 특징으로 하는 박막 트랜지스터.
- 제 1항에 있어서,상기 블랙 매트릭스 층은 증착되는 두께 방향으로 금속 성분의 농도는 증가하고 절연성 투명막의 농도는 감소하는 MIHL(Metal Insulator Hybrid Layer)인 박막 트랜지스터.
- 제 1항에 있어서,상기 MIHL 중 상기 절연성 투명막은 SiO2 또는 SiNx이고, 상기 금속 성분으로는 Al, Cr, Mo, W, Ti, Ag, 및 Cu로 이루어진 군에서 선택되는 1종의 금속을 사용하는 박막 트랜지스터.
- 제 1항에 있어서,상기 블랙 매트릭스 층의 두께는 3000 내지 4000 Å인 박막 트랜지스터.
- 제 1항에 있어서,상기 버퍼층은 SiO2 또는 SiO2/SiNx 중 하나인 박막 트랜지스터.
- 제 1항에 있어서,상기 버퍼층의 두께는 2000 내지 5000 Å인 박막 트랜지스터.
- 제 1항에 있어서,상기 고상 결정화법은 결정화시 전계 또는 자계를 인가하는 것과 동시에 열처리를 하는 방법인 박막 트랜지스터.
- 제 1항의 박막 트랜지스터를 사용하는 평판 표시 소자.
- 제 8항에 있어서,상기 평판 표시 소자는 유기 전계 발광 소자 또는 액정 표시 소자인 평판 표시 소자.
- 기판 상에 블랙 매트릭스 층을 형성하는 단계;상기 블랙 매트릭스 층위에 버퍼층을 형성하는 단계;상기 버퍼층 상에 비정질 실리콘층을 형성하는 단계;상기 비정질 실리콘 층상에 금속 전극층 또는 자석층을 형성하는 단계; 및상기 금속 전극층 또는 자석층에 전계 또는 자계를 인가하는 동시에 기판을 열처리하여 상기 비정질 실리콘층을 다결정 실리콘으로 결정화하는 단계를 포함하는 것을 특징으로 하는 다결정 실리콘의 제조 방법.
- 제 10항에 있어서,상기 블랙 매트릭스 층은 증착되는 두께 방향으로 금속 성분의 농도는 증가하고 절연성 투명막의 농도는 감소하는 MIHL(Metal Insulator Hybrid Layer)인 다결정 실리콘의 제조 방법.
- 제 11항에 있어서,상기 MIHL 중 상기 절연성 투명막으로는 SiO2, 또는 SiNx이고, 상기 금속 성분으로는 Al, Cr, Mo, W, Ti, Ag, 및 Cu로 이루어진 군에서 선택되는 1종인 다결정 실리콘의 제조 방법.
- 제 11항에 있어서,상기 블랙 매트릭스 층은 금속 성분과 투명막이 동시에 공증착 또는 공스퍼 터링법으로 형성되는 다결정 실리콘의 제조 방법.
- 제 10항에 있어서,상기 인가되는 전기장은 40 내지 60V/cm이고, 상기 인가되는 자기장은 200 내지 800 Gauss이며, 인가하는 시간은 1 시간 이하, 열처리 온도는 300 내지 600℃인 다결정 실리콘의 제조 방법.
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KR1020030063751A KR100543002B1 (ko) | 2003-09-15 | 2003-09-15 | 블랙 매트릭스를 포함하는 박막 트랜지스터 및 이 박막트랜지스터에 사용되는 다결정 실리콘의 제조 방법 |
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CN105097949A (zh) * | 2015-08-18 | 2015-11-25 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及其制备方法、阵列基板和显示装置 |
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KR100730154B1 (ko) * | 2005-10-18 | 2007-06-19 | 삼성에스디아이 주식회사 | 평판표시장치 및 그 제조방법 |
KR100946808B1 (ko) * | 2007-11-21 | 2010-03-11 | 주식회사 엔씰텍 | 다결정 실리콘 박막의 제조 방법, 이를 이용하여 제조된다결정 실리콘 박막, 및 이를 포함하는 박막트랜지스터 |
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CN105097949A (zh) * | 2015-08-18 | 2015-11-25 | 京东方科技集团股份有限公司 | 一种薄膜晶体管及其制备方法、阵列基板和显示装置 |
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