JP4425878B2 - 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 - Google Patents
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 Download PDFInfo
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- JP4425878B2 JP4425878B2 JP2006125935A JP2006125935A JP4425878B2 JP 4425878 B2 JP4425878 B2 JP 4425878B2 JP 2006125935 A JP2006125935 A JP 2006125935A JP 2006125935 A JP2006125935 A JP 2006125935A JP 4425878 B2 JP4425878 B2 JP 4425878B2
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- photoconductive layer
- thin film
- film transistor
- image sensor
- film
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- 239000010409 thin film Substances 0.000 title claims description 43
- 150000004770 chalcogenides Chemical class 0.000 title claims description 18
- 239000010408 film Substances 0.000 claims description 64
- 239000000758 substrate Substances 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 12
- 229910021417 amorphous silicon Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 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
- 230000015654 memory Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 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
- 238000011161 development Methods 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
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/09—Devices sensitive to infrared, visible or ultraviolet radiation
- H01L31/095—Devices sensitive to infrared, visible or ultraviolet radiation comprising amorphous semiconductors
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Thin Film Transistor (AREA)
- Light Receiving Elements (AREA)
Description
前記光伝導層の両側に形成され、前記光伝導層と連結されて前記光により発生する光電流の導通のために形成されたソース電極及びドレイン電極と、
前記光伝導層上に形成されたカルコゲナイド系絶縁膜であるゲート絶縁膜と、
前記ゲート絶縁膜上に形成され、前記光電流のオンオフのために形成されたゲート電極と、を備えてなる。
205 光伝導層
210 ドレイン電極
215 ソース電極
220 ゲート絶縁膜
225 ゲート電極
Claims (4)
- ガラス基板上にカルコゲナイド系元素を含むGST膜で形成され、光を吸収して光電流を発生させうる光伝導層と、
前記光伝導層の両側に形成され、前記光伝導層と連結されて前記光により発生する光電流の導通のために形成されたソース電極及びドレイン電極と、
前記光伝導層上に形成されたカルコゲナイド系絶縁膜であるゲート絶縁膜と、
前記ゲート絶縁膜上に形成され、前記光電流のオンオフのために形成されたゲート電極と、を備えてなることを特徴とするフォト薄膜トランジスタ。 - 前記光伝導層を構成するGST膜は、非晶質膜で構成されることを特徴とする請求項1に記載のフォト薄膜トランジスタ。
- ガラス基板上にカルコゲナイド元素を含むGST膜で形成され、光を吸収して光電流を発生させうる光伝導層と、
前記光伝導層の両側に形成され、前記光伝導層と連結されて前記光により発生する光電流の導通のために形成されたソース電極及びドレイン電極と、
前記光伝導層上に形成されたカルコゲナイド系絶縁膜であるゲート絶縁膜と、
前記ゲート絶縁膜上に形成され、前記光電流のオンオフのために形成されたゲート電極を備えてなることを特徴とするイメージセンサの単位セル。 - 前記光伝導層を構成するGST膜は、非晶質膜で構成されることを特徴とする請求項3に記載のイメージセンサの単位セル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20050103427 | 2005-10-31 | ||
KR1020050124174A KR100744547B1 (ko) | 2005-10-31 | 2005-12-15 | 칼코게나이드계 원소를 포함하는 광전도층을 가지는 포토박막트랜지스터 및 이를 이용한 이미지 센서의 단위 셀 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007129184A JP2007129184A (ja) | 2007-05-24 |
JP4425878B2 true JP4425878B2 (ja) | 2010-03-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006125935A Expired - Fee Related 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 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7582945B2 (ja) |
JP (1) | JP4425878B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8039926B2 (en) * | 2007-12-06 | 2011-10-18 | Electronics And Telecommunications Research Institute | Method for manufacturing N-type and P-type chalcogenide material, doped homojunction chalcogenide thin film transistor and method of fabricating the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6611536A (ja) * | 1966-08-17 | 1968-02-19 | ||
JPS6088462A (ja) * | 1983-10-21 | 1985-05-18 | Seiko Epson Corp | イメ−ジ・センサ− |
AU2002354082A1 (en) * | 2001-12-12 | 2003-06-23 | Matsushita Electric Industrial Co., Ltd. | Nonvolatile memory |
JP4635410B2 (ja) * | 2002-07-02 | 2011-02-23 | ソニー株式会社 | 半導体装置及びその製造方法 |
JP4545397B2 (ja) | 2003-06-19 | 2010-09-15 | 株式会社 日立ディスプレイズ | 画像表示装置 |
US6875661B2 (en) * | 2003-07-10 | 2005-04-05 | International Business Machines Corporation | Solution deposition of chalcogenide films |
US20050018526A1 (en) * | 2003-07-21 | 2005-01-27 | Heon Lee | Phase-change memory device and manufacturing method thereof |
-
2006
- 2006-04-28 JP JP2006125935A patent/JP4425878B2/ja not_active Expired - Fee Related
- 2006-07-06 US US11/481,599 patent/US7582945B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20070096242A1 (en) | 2007-05-03 |
JP2007129184A (ja) | 2007-05-24 |
US7582945B2 (en) | 2009-09-01 |
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