KR101602252B1 - 박막 트랜지스터, 반도체장치 및 전자기기 - Google Patents
박막 트랜지스터, 반도체장치 및 전자기기 Download PDFInfo
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- KR101602252B1 KR101602252B1 KR1020117001356A KR20117001356A KR101602252B1 KR 101602252 B1 KR101602252 B1 KR 101602252B1 KR 1020117001356 A KR1020117001356 A KR 1020117001356A KR 20117001356 A KR20117001356 A KR 20117001356A KR 101602252 B1 KR101602252 B1 KR 101602252B1
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- H10D30/01—Manufacture or treatment
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- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0316—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral bottom-gate TFTs comprising only a single gate
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
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- 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
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- H—ELECTRICITY
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- 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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
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- 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]
- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
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- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/40—Crystalline structures
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- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
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- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
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- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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- Electroluminescent Light Sources (AREA)
Abstract
Description
도 2a 내지 도 2c는 본 발명의 일 실시형태에 따른 박막 트랜지스터가 갖는 반도체층을 설명하는 도면이다.
도 3은 본 발명의 일 실시형태에 따른 박막 트랜지스터가 갖는 반도체층을 설명하는 도면이다.
도 4는 본 발명의 일 실시형태에 따른 박막 트랜지스터가 갖는 반도체층을 설명하는 도면이다.
도 5는 본 발명의 일 실시형태에 따른 박막 트랜지스터가 갖는 반도체층을 설명하는 도면이다.
도 6은 본 발명의 일 실시형태에 따른 박막 트랜지스터가 갖는 반도체층을 설명하는 도면이다.
도 7a 및 도 7b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 일례를 설명하는 도면이다.
도 8a 및 도 8b는 본 발명의 일 실시형태에 따른 박막 트랜지스터가 갖는 반도체층을 설명하는 도면이다.
도 9a 및 도 9b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 일례를 설명하는 도면이다.
도 10a 내지 도 10c은 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 11a 내지 도 11c는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 12a 및 도 12b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 13a 및 도 13b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 14는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법에 적용가능한 장치를 설명하는 도면이다.
도 15는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 타이밍차트의 일례를 설명하는 도면이다.
도 16은 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 타이밍차트의 일례를 설명하는 도면이다.
도 17은 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 타이밍차트의 일례를 설명하는 도면이다.
도 18은 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 타이밍차트의 일례를 설명하는 도면이다.
도 19는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 타이밍차트의 일례를 설명하는 도면이다.
도 20a 및 도 20b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 21a 내지 도 21c는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 22a 내지 도 22c는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 23a 및 도 23b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 제조방법의 일례를 설명하는 도면이다.
도 24a-1, 도 24a-2, 도 24b-1 및 도 24b-2는 본 발명에 적용가능한 다계조 마스크를 설명하는 도면이다.
도 25a 내지 도 25c는 본 발명의 일 실시형태의 박막 트랜지스터를 적용가능한 전자기기를 설명하는 도면이다.
도 26a 내지 도 26d는 본 발명의 일 실시형태의 박막 트랜지스터를 적용가능한 전자기기를 설명하는 도면이다.
도 27은 본 발명의 일 실시형태의 박막 트랜지스터를 적용가능한 전자기기를 설명하는 도면이다.
도 28a 내지 도 28c는 본 발명의 일 실시형태의 박막 트랜지스터를 적용가능한 전자기기를 설명하는 도면이다.
도 29a 및 도 29b는 본 발명의 일 실시형태에 따른 박막 트랜지스터의 구조를 설명하는 도면이다.
Claims (17)
- 절연 표면을 갖는 기판 위의 게이트 전극과,
상기 게이트 전극을 덮는 게이트 절연층과,
상기 게이트 절연층에 접하는 제1반도체층과,
상기 제1반도체층 위에 적층되는 제2반도체층과,
상기 제2반도체층의 일부에 접하는 소스 영역 및 드레인 영역을 포함하는 불순물 반도체층들을 포함하고,
상기 제2반도체층은, NH기 또는 NH2기를 포함하는 비정질 반도체층을 포함하고,
상기 제2반도체층에서의 질소 농도는, 상기 불순물 반도체층들을 향해 점점 감소하는, 박막 트랜지스터.
- 제 1항에 있어서,
상기 NH기로 상기 제2반도체층에 포함되는 다른 반도체 원자가 가교되는 박막 트랜지스터.
- 제 1항에 있어서,
상기 NH2기로 상기 제2반도체층에 포함되는 반도체 원자의 다른 댕글링 본드가 종단되는 박막 트랜지스터. - 제 1항에 있어서,
상기 제1반도체층은 미결정 반도체층인 박막 트랜지스터.
- 제 1항에 있어서,
상기 제1반도체층은, 분산된 미결정 반도체층 또는 망상의 미결정 반도체층인 박막 트랜지스터.
- 제 1항에 있어서,
2차 이온 질량분석법에 의해 계측되는 상기 제2반도체층의 산소 농도가 5×1018cm-3 이하인 박막 트랜지스터.
- 절연 표면을 갖는 기판 위의 게이트 전극과,
상기 게이트 전극과 접하는 게이트 절연층과,
상기 게이트 절연층에 접하는 반도체층과,
소스 영역 및 드레인 영역을 포함하는 불순물 반도체층들과,
상기 반도체층과 상기 불순물 반도체층들 사이의 버퍼층을 포함하고,
상기 버퍼층은, NH기 또는 NH2기를 포함하는 비정질 반도체층을 포함하고,
상기 버퍼층에서의 질소 농도는, 상기 불순물 반도체층들을 향해 점점 감소하는, 박막 트랜지스터.
- 제 7항에 있어서,
상기 NH기로 상기 버퍼층에 포함되는 다른 반도체 원자가 가교되는 박막 트랜지스터.
- 제 7항에 있어서,
상기 NH2기로 상기 버퍼층에 포함되는 반도체 원자의 다른 댕글링 본드가 종단되는 박막 트랜지스터.
- 제 7항에 있어서,
상기 반도체층은 미결정 반도체층인 박막 트랜지스터.
- 제 7항에 있어서,
상기 반도체층은, 분산된 미결정 반도체층 또는 망상의 미결정 반도체층인 박막 트랜지스터.
- 제 7항에 있어서,
2차 이온 질량분석법에 의해 계측되는 상기 버퍼층의 산소 농도가 5×1018cm-3 이하인 박막 트랜지스터.
- 제 1항 또는 제 7항에 있어서,
상기 소스 영역 및 상기 드레인 영역을 포함하는 상기 불순물 반도체층들에 NH기가 포함되는 박막 트랜지스터.
- 절연 표면을 갖는 기판 위의 게이트 전극과,
상기 게이트 전극을 덮는 게이트 절연층과,
상기 게이트 절연층에 접하는 제1반도체층과,
상기 제1반도체층 위에 적층되는 제2반도체층과,
상기 제2반도체층의 일부에 접하는 소스 영역 및 드레인 영역을 포함하는 불순물 반도체층들을 포함하고,
상기 제2반도체층이, NH기 또는 NH2기를 포함하는 비정질 반도체층을 포함하고,
상기 제2반도체층에서의 질소 농도는, 상기 불순물 반도체층들을 향해 점점 감소하는, 박막 트랜지스터를 포함하는, 반도체장치.
- 제 14항에 기재된 반도체장치를 포함하는 전자기기로서,
상기 전자기기는 텔레비전 장치, 휴대전화기, 휴대형 컴퓨터 및 탁상 조명기구로 구성된 그룹으로부터 선택된 전자기기.
- 제 14항에 있어서,
상기 제2반도체층은, 상기 불순물 반도체층들 사이에 오목부를 포함하는, 반도체장치.
- 삭제
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TWI505472B (zh) | 2015-10-21 |
JP2010087471A (ja) | 2010-04-15 |
US8513664B2 (en) | 2013-08-20 |
WO2009157573A1 (en) | 2009-12-30 |
JP5448604B2 (ja) | 2014-03-19 |
KR20110023888A (ko) | 2011-03-08 |
CN102077354B (zh) | 2014-08-20 |
CN102077354A (zh) | 2011-05-25 |
US20090321743A1 (en) | 2009-12-31 |
TW201017889A (en) | 2010-05-01 |
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