KR20060022833A - 다결정실리콘 박막트랜지스터 형성방법 - Google Patents
다결정실리콘 박막트랜지스터 형성방법 Download PDFInfo
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- KR20060022833A KR20060022833A KR1020040071602A KR20040071602A KR20060022833A KR 20060022833 A KR20060022833 A KR 20060022833A KR 1020040071602 A KR1020040071602 A KR 1020040071602A KR 20040071602 A KR20040071602 A KR 20040071602A KR 20060022833 A KR20060022833 A KR 20060022833A
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000010409 thin film Substances 0.000 title abstract description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 229920005591 polysilicon Polymers 0.000 claims abstract description 14
- 238000002425 crystallisation Methods 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 238000000059 patterning Methods 0.000 claims abstract description 4
- 239000002019 doping agent Substances 0.000 claims description 14
- 238000005468 ion implantation Methods 0.000 claims description 10
- 238000004528 spin coating Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 4
- 229920002120 photoresistant polymer Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 81
- 230000002093 peripheral effect Effects 0.000 description 10
- 230000008025 crystallization Effects 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 229910020286 SiOxNy Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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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
- 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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- 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers 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
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1285—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using control of the annealing or irradiation parameters, e.g. using different scanning direction or intensity for different transistors
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- 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
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
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- 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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- 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 potential barriers; including integrated passive circuit elements having potential barriers 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
- H01L27/1259—Multistep manufacturing methods
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66757—Lateral single gate single channel transistors with non-inverted structure, i.e. the channel layer is formed before the gate
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Abstract
Description
Claims (7)
- 유리기판 상에 버퍼막과 비정질실리콘막을 차례로 형성하는 단계;상기 비정질실리콘막을 결정립 충돌에 의한 돌출부 생성이 존재하는 결정화 방법으로 결정화시켜 다수의 돌출부를 구비한 다결정실리콘막을 형성하는 단계;상기 다결정실리콘막을 두 개의 돌출부만을 포함하면서 상기 돌출부들이 게이트전극 형성 영역을 사이에 두고 이격 배치되는 형태의 액티브 패턴으로 패터닝하는 단계;상기 패터닝된 다결정실리콘막 상에 돌출부를 완전히 덮지 않도록 베리어막을 도포하는 단계;상기 기판 결과물에 대해 도펀트 이온주입을 수행하여 돌출부를 포함한 게이트전극 형성 영역 양측의 다결정실리콘막 부분들 각각에 소오스전극과 드레인전극을 형성하는 단계;상기 베리어막을 제거하는 단계;상기 기판 결과물 상에 게이트절연막을 형성하는 단계; 및상기 소오스전극과 드레인전극 사이의 게이트절연막 부분 상에 게이트전극을 형성하는 단계를 포함하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
- 제 1 항에 있어서, 상기 다결정실리콘막을 형성하는 단계는 연속 측면 결정화 방법으로 수행하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
- 제 1 항에 있어서, 상기 베리어막은 유기절연막, 유기레진 및 포토레지스트로 구성된 그룹으로부터 선택되는 어느 하나로 도포하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
- 제 1 항에 있어서, 상기 베리어막은 스핀코팅 방식으로 도포하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
- 제 4 항에 있어서, 상기 베리어막은 스핀코팅시 회전속도의 조절을 통해 돌출부의 노출 높이 및 노출 영역의 범위를 조절하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
- 제 1 항에 있어서, 상기 베리어막은 10∼30000Å 두께로 도포하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
- 제 1 항에 있어서, 상기 도펀트 이온주입은 가속전압을 조절하여 돌출부로부터 멀어질수록 이온주입되는 도펀트의 양이 점진적으로 감소되도록 하는 것을 특징으로 다결정실리콘 박막트랜지스터 형성방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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KR1020040071602A KR100719919B1 (ko) | 2004-09-08 | 2004-09-08 | 다결정실리콘 박막트랜지스터 형성방법 |
US11/085,953 US7026201B2 (en) | 2004-09-08 | 2005-03-22 | Method for forming polycrystalline silicon thin film transistor |
TW094108878A TWI268614B (en) | 2004-09-08 | 2005-03-23 | Method for forming polycrystalline silicon thin film transistor |
CNB2005100672531A CN100413040C (zh) | 2004-09-08 | 2005-04-20 | 多晶硅薄膜晶体管的形成方法 |
JP2005153368A JP4013074B2 (ja) | 2004-09-08 | 2005-05-26 | 多結晶シリコン薄膜トランジスタの形成方法 |
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KR1020040071602A KR100719919B1 (ko) | 2004-09-08 | 2004-09-08 | 다결정실리콘 박막트랜지스터 형성방법 |
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KR20060022833A true KR20060022833A (ko) | 2006-03-13 |
KR100719919B1 KR100719919B1 (ko) | 2007-05-18 |
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US (1) | US7026201B2 (ko) |
JP (1) | JP4013074B2 (ko) |
KR (1) | KR100719919B1 (ko) |
CN (1) | CN100413040C (ko) |
TW (1) | TWI268614B (ko) |
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JP4193859B2 (ja) * | 2006-04-04 | 2008-12-10 | トヨタ自動車株式会社 | モータおよびそのモータの通電制御装置 |
CN104932160B (zh) * | 2015-06-26 | 2017-11-17 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法、显示面板和显示装置 |
CN106952964B (zh) * | 2017-05-22 | 2020-02-14 | 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、阵列基板和显示面板 |
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JP3471966B2 (ja) * | 1995-03-16 | 2003-12-02 | 株式会社半導体エネルギー研究所 | 薄膜半導体装置の作製方法 |
JPH0917729A (ja) * | 1995-06-29 | 1997-01-17 | Sharp Corp | 半導体装置の製造方法 |
TW454260B (en) * | 1998-06-30 | 2001-09-11 | Matsushita Electric Ind Co Ltd | Thin film transistor and manufacturing method thereof |
JP2001284252A (ja) * | 2000-03-30 | 2001-10-12 | Sanyo Electric Co Ltd | 半導体装置及びその製造方法 |
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TW595002B (en) * | 2003-04-16 | 2004-06-21 | Au Optronics Corp | Fabricating method of low temperature poly-silicon film and low temperature poly-silicon thin film transistor |
TWI290768B (en) * | 2003-06-05 | 2007-12-01 | Au Optronics Corp | Method for manufacturing polysilicon film |
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- 2004-09-08 KR KR1020040071602A patent/KR100719919B1/ko active IP Right Grant
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- 2005-03-22 US US11/085,953 patent/US7026201B2/en active Active
- 2005-03-23 TW TW094108878A patent/TWI268614B/zh active
- 2005-04-20 CN CNB2005100672531A patent/CN100413040C/zh active Active
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TWI268614B (en) | 2006-12-11 |
TW200610153A (en) | 2006-03-16 |
US7026201B2 (en) | 2006-04-11 |
CN100413040C (zh) | 2008-08-20 |
CN1747140A (zh) | 2006-03-15 |
US20060051904A1 (en) | 2006-03-09 |
JP4013074B2 (ja) | 2007-11-28 |
KR100719919B1 (ko) | 2007-05-18 |
JP2006080482A (ja) | 2006-03-23 |
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