KR100682893B1 - 박막 트랜지스터 및 그 제조 방법 - Google Patents
박막 트랜지스터 및 그 제조 방법 Download PDFInfo
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- KR100682893B1 KR100682893B1 KR1020040081760A KR20040081760A KR100682893B1 KR 100682893 B1 KR100682893 B1 KR 100682893B1 KR 1020040081760 A KR1020040081760 A KR 1020040081760A KR 20040081760 A KR20040081760 A KR 20040081760A KR 100682893 B1 KR100682893 B1 KR 100682893B1
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- 239000010409 thin film Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 96
- 239000010408 film Substances 0.000 claims abstract description 86
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 41
- 239000010980 sapphire Substances 0.000 claims abstract description 41
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 36
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 36
- 239000002019 doping agent Substances 0.000 claims description 7
- 238000000348 solid-phase epitaxy Methods 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000005530 etching Methods 0.000 description 9
- 238000000407 epitaxy Methods 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- -1 silicon ion Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Abstract
Description
Claims (17)
- 투명 기판;상기 투명 기판의 소정 영역을 덮는 절연막;상기 절연막 상에 형성되어 있고, 소오스, 드레인 및 채널영역으로 구분된 단결정 실리콘층; 및상기 단결정 실리콘층의 채널영역 상에 순차적으로 적층된 게이트 절연막 및 게이트 전극을 포함하고,상기 투명 기판은 상부면이 단결정 실리콘의 성장이 우수한 R면(1102)인 사파이어 기판인 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서, 상기 투명기판의 상기 소정 영역은 주어진 두께만큼 제거되어 있고, 상기 제거된 부분에 상기 절연막이 채워진 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서, 상기 절연막은 상기 투명기판의 상기 소정 영역 상에 형성된 것을 특징으로 하는 박막 트랜지스터.
- 제 1 항에 있어서, 상기 절연막은 실리콘 산화막(SiO2) 및 질화막(SiN) 중 어느 하나인 것을 특징으로 하는 박막 트랜지스터.
- 삭제
- 투명 기판에 상기 투명 기판의 소정 영역을 덮는 절연막을 형성하는 제1 단계;상기 절연막 상에 단결정 실리콘층을 형성하는 제2 단계;상기 단결정 실리콘층의 소정 영역 상에 게이트 절연막 및 게이트 전극을 순차적으로 형성하는 제3 단계; 및상기 게이트 전극 둘레의 상기 단결정 실리콘층에 도펀트를 주입하는 제4 단계를 포함하되,상기 투명 기판은 단결정 실리콘 성장에 적합한 R면(1102)을 상부면으로 하는 사파이어 기판인 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 6 항에 있어서, 상기 제1 단계는 상기 투명 기판의 상기 소정 영역에 홈을 형성하는 단계; 및상기 홈에 상기 절연막을 채우는 단계를 더 포함하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 6 항에 있어서, 상기 제1 단계에서 상기 절연막은 상기 투명기판의 상기 소정 영역 상에 형성하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 7 항에 있어서, 상기 제2 단계는 상기 절연막 둘레의 상기 투명 기판 상에 단결정 실리콘층을 형성하는 제2a 단계;상기 절연막 및 상기 단결정 실리콘층 상에 비정질 실리콘층을 형성하는 제2b 단계;상기 절연막 상에 형성된 상기 비정질 실리콘층을 단결정 실리콘층으로 변화시키는 제2c 단계; 및상기 절연막 둘레의 상기 단결정 실리콘층을 제거하는 제2d 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 9 항에 있어서, 상기 제2c 단계는,상기 제2a 단계에서 형성된 상기 단결정 실리콘층 상에 형성된 비정질 실리콘층을 단결정 실리콘층으로 변화시키는 제2c1 단계; 및상기 제2c1 단계에서 형성된 단결정 실리콘층과 상기 절연막 상에 형성된 상기 비정질 실리콘층에 레이저를 조사하는 제2c2 단계를 더 포함하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 10 항에 있어서, 상기 제2c1 단계에서 상기 단결정 실리콘층 상에 형성된 상기 비정질 실리콘층은 수직 고상 에피텍시(vertical solid phase epitaxy)법을 이용하여 단결정 실리콘층으로 변화시키는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 6 항에 있어서, 상기 절연막은 실리콘 산화막 및 질화막 중 어느 하나로 형성하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 9 항에 있어서, 상기 비정질 실리콘층은 상기 제2c 단계에서 형성되는 상기 단결정 실리콘층의 두께가 100nm이하가 되는 두께로 형성하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 삭제
- 제 8 항에 있어서, 상기 제2 단계는 상기 절연막 둘레의 상기 투명 기판 상에 상기 절연막과 동일한 높이로 단결정 실리콘층을 형성하는 제2a 단계;상기 절연막 및 상기 단결정 실리콘층 상에 비정질 실리콘층을 형성하는 제2b 단계;상기 절연막 상에 형성된 상기 비정질 실리콘층을 단결정 실리콘층으로 변화시키는 제2c 단계; 및상기 절연막 둘레의 상기 단결정 실리콘층을 제거하는 제2d 단계를 포함하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 15 항에 있어서, 상기 제2c 단계는,상기 제2a 단계에서 형성된 상기 단결정 실리콘층 상에 형성된 비정질 실리콘층을 단결정 실리콘층으로 변화시키는 제2c1 단계; 및상기 제2c1 단계에서 형성된 단결정 실리콘층과 상기 절연막 상에 형성된 상기 비정질 실리콘층에 레이저를 조사하는 제2c2 단계를 더 포함하는 것을 특징으로 하는 박막 트랜지스터 제조방법.
- 제 16 항에 있어서, 상기 제2c1 단계에서 상기 단결정 실리콘층 상에 형성된 상기 비정질 실리콘층은 수직 고상 에피텍시(vertical solid phase epitaxy)법을 이용하여 단결정 실리콘층으로 변화시키는 것을 특징으로 하는 박막 트랜지스터 제조방법.
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JP2005299175A JP2006114913A (ja) | 2004-10-13 | 2005-10-13 | 薄膜トランジスタ及びその製造方法 |
US11/248,620 US7511381B2 (en) | 2004-10-13 | 2005-10-13 | Thin film transistor and method of manufacturing the same |
CNA2005101140077A CN1770476A (zh) | 2004-10-13 | 2005-10-13 | 薄膜晶体管及其制造方法 |
US12/382,925 US8021936B2 (en) | 2004-10-13 | 2009-03-26 | Method of manufacturing thin film transistor |
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JP4603845B2 (ja) * | 2004-10-12 | 2010-12-22 | Okiセミコンダクタ株式会社 | 半導体装置の製造方法 |
KR100682893B1 (ko) * | 2004-10-13 | 2007-02-15 | 삼성전자주식회사 | 박막 트랜지스터 및 그 제조 방법 |
US7655511B2 (en) | 2005-11-03 | 2010-02-02 | International Business Machines Corporation | Gate electrode stress control for finFET performance enhancement |
US7635620B2 (en) | 2006-01-10 | 2009-12-22 | International Business Machines Corporation | Semiconductor device structure having enhanced performance FET device |
US20070158743A1 (en) * | 2006-01-11 | 2007-07-12 | International Business Machines Corporation | Thin silicon single diffusion field effect transistor for enhanced drive performance with stress film liners |
KR100790869B1 (ko) * | 2006-02-16 | 2008-01-03 | 삼성전자주식회사 | 단결정 기판 및 그 제조방법 |
US7790540B2 (en) | 2006-08-25 | 2010-09-07 | International Business Machines Corporation | Structure and method to use low k stress liner to reduce parasitic capacitance |
US8115254B2 (en) | 2007-09-25 | 2012-02-14 | International Business Machines Corporation | Semiconductor-on-insulator structures including a trench containing an insulator stressor plug and method of fabricating same |
US8492846B2 (en) | 2007-11-15 | 2013-07-23 | International Business Machines Corporation | Stress-generating shallow trench isolation structure having dual composition |
KR101603500B1 (ko) | 2008-12-10 | 2016-03-15 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
US8598006B2 (en) | 2010-03-16 | 2013-12-03 | International Business Machines Corporation | Strain preserving ion implantation methods |
KR101642834B1 (ko) * | 2010-04-09 | 2016-08-11 | 삼성전자주식회사 | Leg 공정을 이용하여 벌크 실리콘 웨이퍼의 필요한 영역내에 soⅰ층을 형성하는 반도체 소자의 제조방법 |
CN102540539A (zh) * | 2012-02-22 | 2012-07-04 | 信利半导体有限公司 | 一种广视角液晶显示器 |
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CN108206196A (zh) * | 2016-12-16 | 2018-06-26 | 京东方科技集团股份有限公司 | 一种有机电致发光显示装置 |
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JP2006114913A (ja) | 2006-04-27 |
US20090191673A1 (en) | 2009-07-30 |
CN1770476A (zh) | 2006-05-10 |
KR20060032792A (ko) | 2006-04-18 |
US20060094212A1 (en) | 2006-05-04 |
US8021936B2 (en) | 2011-09-20 |
US7511381B2 (en) | 2009-03-31 |
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