KR100744547B1 - 칼코게나이드계 원소를 포함하는 광전도층을 가지는 포토박막트랜지스터 및 이를 이용한 이미지 센서의 단위 셀 - Google Patents
칼코게나이드계 원소를 포함하는 광전도층을 가지는 포토박막트랜지스터 및 이를 이용한 이미지 센서의 단위 셀 Download PDFInfo
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- KR100744547B1 KR100744547B1 KR1020050124174A KR20050124174A KR100744547B1 KR 100744547 B1 KR100744547 B1 KR 100744547B1 KR 1020050124174 A KR1020050124174 A KR 1020050124174A KR 20050124174 A KR20050124174 A KR 20050124174A KR 100744547 B1 KR100744547 B1 KR 100744547B1
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- South Korea
- Prior art keywords
- photoconductive layer
- thin film
- gate insulating
- film transistor
- insulating film
- Prior art date
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- 150000004770 chalcogenides Chemical class 0.000 title claims abstract description 17
- 239000010409 thin film Substances 0.000 title claims description 43
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 12
- 239000010408 film Substances 0.000 claims description 65
- 239000011368 organic material Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims 2
- 241000893044 Chalcides Species 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 39
- 238000000034 method Methods 0.000 description 14
- 229910021417 amorphous silicon Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/803—Pixels having integrated switching, control, storage or amplification elements
- H10F39/8037—Pixels having integrated switching, control, storage or amplification elements the integrated elements comprising a transistor
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/803—Pixels having integrated switching, control, storage or amplification elements
- H10F39/8037—Pixels having integrated switching, control, storage or amplification elements the integrated elements comprising a transistor
- H10F39/80377—Pixels having integrated switching, control, storage or amplification elements the integrated elements comprising a transistor characterised by the channel of the transistor, e.g. channel having a doping gradient
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- Solid State Image Pick-Up Elements (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (8)
- 유리 기판 상에 칼코게나이드계 원소를 포함하는 비정질의 GST막으로 형성되고 광을 흡수하여 광전류를 발생하는 광전도층;상기 광전도층의 양측에 형성되고, 상기 광전도층과 연결되어 상기 광에 의해 발생하는 광전류의 도통을 위해 형성된 소오스 전극 및 드레인 전극;상기 광전도층 상에 형성된 게이트 절연막; 및상기 게이트 절연막 상에 형성되고 상기 광전류의 온오프를 위해 형성된 게이트 전극을 포함하여 이루어지는 것을 특징으로 하는 포토 박막트랜지스터.
- 삭제
- 제1항에 있어서, 상기 게이트 절연막은 유기물인 고분자 PMMA막인 것을 특징으로 하는 포토 박막트랜지스터.
- 제1항에 있어서, 상기 게이트 절연막은 칼코게나이드계 절연막인 것을 특징으로 하는 포토 박막트랜지스터.
- 유리 기판 상에 칼코게나이드 원소를 포함하는 비정질의 GST막으로 형성되고 광을 흡수하여 광전류를 발생하는 광전도층;상기 광전도층의 양측에 형성되고, 상기 광전도층과 연결되어 상기 광에 의해 발생하는 광전류의 도통을 위해 형성된 소오스 전극 및 드레인 전극;상기 광전도층 상에 형성된 게이트 절연막; 및상기 게이트 절연막 상에 형성되고 상기 광전류의 온오프를 위해 형성된 게이트 전극을 포함하여 이루어지는 것을 특징으로 하는 이미지 센서의 단위셀.
- 삭제
- 제5항에 있어서, 상기 게이트 절연막은 유기물인 고분자 PMMA막인 것을 특징으로 하는 이미지센서의 단위셀.
- 제5항에 있어서, 상기 게이트 절연막은 칼코게나이드계 절연막인 것을 특징으로 하는 이미지센서의 단위셀.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006125935A JP4425878B2 (ja) | 2005-10-31 | 2006-04-28 | カルコゲナイド系元素を含む光伝導層を有するフォト薄膜トランジスタ及びこれを用いたイメージセンサの単位セル |
US11/481,599 US7582945B2 (en) | 2005-10-31 | 2006-07-06 | Photo thin film transistor having photoconductive layer including chalcogenide element and unit cell of image sensor using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020050103427 | 2005-10-31 | ||
KR20050103427 | 2005-10-31 |
Publications (2)
Publication Number | Publication Date |
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KR20070046687A KR20070046687A (ko) | 2007-05-03 |
KR100744547B1 true KR100744547B1 (ko) | 2007-08-01 |
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KR1020050124174A KR100744547B1 (ko) | 2005-10-31 | 2005-12-15 | 칼코게나이드계 원소를 포함하는 광전도층을 가지는 포토박막트랜지스터 및 이를 이용한 이미지 센서의 단위 셀 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101631008B1 (ko) * | 2015-01-08 | 2016-06-16 | 경희대학교 산학협력단 | 이차원 전이금속 칼코겐 화합물을 이용한 플렉서블 박막 트랜지스터, 전자 소자 및 그 제조방법 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100859723B1 (ko) * | 2006-10-09 | 2008-09-23 | 한국전자통신연구원 | 칼코게나이드층을 갖는 박막 트랜지스터 및 그 제조방법 |
KR100889746B1 (ko) | 2007-03-09 | 2009-03-24 | 한국전자통신연구원 | 칼코젠 박막 트랜지스터 어레이를 포함하는 전자의료영상장치 |
KR101303868B1 (ko) * | 2011-10-13 | 2013-09-04 | 한국과학기술연구원 | 컬러 이미지 센서 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63291479A (ja) | 1987-05-22 | 1988-11-29 | Komatsu Ltd | 超高速光メモリデバイス |
JPH01183164A (ja) * | 1988-01-18 | 1989-07-20 | Fujitsu Ltd | 高電子移動度電界効果型トランジスタ |
KR20040045636A (ko) * | 2002-11-25 | 2004-06-02 | 한국전자통신연구원 | 스위칭 소자 및 이를 구비하는 전자 회로 장치 |
US20050009229A1 (en) | 2003-07-10 | 2005-01-13 | International Business Machines Corporation | Solution deposition of chalcogenide films |
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2005
- 2005-12-15 KR KR1020050124174A patent/KR100744547B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63291479A (ja) | 1987-05-22 | 1988-11-29 | Komatsu Ltd | 超高速光メモリデバイス |
JPH01183164A (ja) * | 1988-01-18 | 1989-07-20 | Fujitsu Ltd | 高電子移動度電界効果型トランジスタ |
KR20040045636A (ko) * | 2002-11-25 | 2004-06-02 | 한국전자통신연구원 | 스위칭 소자 및 이를 구비하는 전자 회로 장치 |
US20050009229A1 (en) | 2003-07-10 | 2005-01-13 | International Business Machines Corporation | Solution deposition of chalcogenide films |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101631008B1 (ko) * | 2015-01-08 | 2016-06-16 | 경희대학교 산학협력단 | 이차원 전이금속 칼코겐 화합물을 이용한 플렉서블 박막 트랜지스터, 전자 소자 및 그 제조방법 |
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