JP5213429B2 - 電界効果型トランジスタ - Google Patents
電界効果型トランジスタ Download PDFInfo
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- JP5213429B2 JP5213429B2 JP2007322148A JP2007322148A JP5213429B2 JP 5213429 B2 JP5213429 B2 JP 5213429B2 JP 2007322148 A JP2007322148 A JP 2007322148A JP 2007322148 A JP2007322148 A JP 2007322148A JP 5213429 B2 JP5213429 B2 JP 5213429B2
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
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- 229910052710 silicon Inorganic materials 0.000 description 4
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- 229910052718 tin Inorganic materials 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
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- 229910052733 gallium Inorganic materials 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- 229920000642 polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/086—Oxides of zinc, germanium, cadmium, indium, tin, thallium or bismuth
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thin Film Transistor (AREA)
- Dram (AREA)
Description
K.Nomura et. al, Nature VOL. 432, P. 488−492 (2004−11) Applied Physics Letters 89,062103(2006) Journal of Non−Crystalline Solids Volume 352, Issues 9−20, 15 June 2006, Pages 1756−1760
まず、チャンネル層について説明する。
次に、ゲート絶縁層について説明する。
次に、ソース電極、ドレイン電極、ゲート電極について説明する。
次に、基板について説明する。
酸化物薄膜の成膜法としては、スパッタ法(SP法)、パルスレーザー蒸着法(PLD法)及び電子ビーム蒸着法などの気相法が挙げられる。なお、気相法の中でも、量産性の点から、SP法が適している。しかし、成膜はこれらの方法に限られるのものではない。
本実施例では、チャンネル層としてIn−Mg−O系のアモルファス酸化物を用いて、図8(a)に示すトップゲート型TFT素子を作製した。
本比較例では、In−Ga−Oをチャンネル層として用いたトップゲート型TFT素子を、実施例1と同様に作成した。薄膜の金属組成比はIn:Ga=7:3であった。
本実施例では、InとMgとを主成分として含有するチャンネル層を用いた薄膜トランジスタにおいて、InとMgの組成依存性を検討した。
本実施例では、In−Al−O系のアモルファス酸化物からなるチャンネル層を用いて、実施例1と同様の方法により、図8(a)に示すトップゲート型TFT素子を作製、評価した。
(実施例4)
本実施例は、InとAlとを主成分として含有するチャンネル層を用いた薄膜トランジスタにおいて、実施例2と同様の方法により、InとAlとの組成依存性を検討した。
本実施例では、In−Zn−Mg−O系のアモルファス酸化物をチャンネル層として用いて、プラスチック基板上に図8(b)に示すボトムゲート型TFT素子を作製した。
11 チャンネル層
12 ゲート絶縁層
13 ソース電極
14 ドレイン電極
15 ゲート電極
21 基板
22 ゲート絶縁層
23 ソース電極
24 ドレイン電極
25 チャンネル層
51 試料
52 ターゲット
53 真空ポンプ
54 真空計
55 基板保持手段
56 ガス流量制御手段
57 圧力制御手段
58 成膜室
Claims (8)
- 基板上にチャンネル層、ゲート絶縁層、ソース電極、ドレイン電極、ゲート電極が少なくとも形成されてなる電界効果型トランジスタであって、
該チャンネル層は、2種の金属元素InとMgとを含むIn−Mg−O系アモルファス酸化物材料より構成され、該アモルファス酸化物材料の元素比率Mg/(In+Mg)は0.1以上0.48以下であることを特徴とする電界効果型トランジスタ。 - 前記アモルファス酸化物材料の元素比率Mg/(In+Mg)は、0.2以上0.48以下であることを特徴とする請求項1に記載の電界効果型トランジスタ。
- 前記アモルファス酸化物材料の元素比率Mg/(In+Mg)は、0.3以上0.42以下であることを特徴とする請求項2に記載の電界効果型トランジスタ。
- 基板上にチャンネル層、ゲート絶縁層、ソース電極、ドレイン電極、ゲート電極が少なくとも形成されている電界効果型トランジスタであって、
該チャンネル層は、2種の金属元素InとAlとを含むIn−Al−O系アモルファス酸化物材料より構成され、該アモルファス酸化物材料の元素比率Al/(In+Al)は0.15以上0.45以下であることを特徴とする電界効果型トランジスタ。 - 前記アモルファス酸化物材料の元素比率Al/(In+Al)は、0.19以上0.40以下であることを特徴とする請求項4に記載の電界効果型トランジスタ。
- 前記アモルファス酸化物材料の元素比率Al/(In+Al)は、0.25以上0.3以下であることを特徴とする請求項5に記載の電界効果型トランジスタ。
- 前記ゲート絶縁層は、酸化シリコンであることを特徴とする請求項1から6のいずれか1項に記載の電界効果型トランジスタ。
- 前記チャンネル層及び前記ゲート絶縁層は、スパッタリング法により成膜されたことを特徴とする請求項1から7のいずれか1項に記載の電界効果型トランジスタ。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007322148A JP5213429B2 (ja) | 2007-12-13 | 2007-12-13 | 電界効果型トランジスタ |
CN200880120014XA CN101897030B (zh) | 2007-12-13 | 2008-12-02 | 场效应晶体管和显示器 |
US12/681,793 US20100224870A1 (en) | 2007-12-13 | 2008-12-02 | Field effect transistor |
CN2011103748171A CN102394248A (zh) | 2007-12-13 | 2008-12-02 | 场效应晶体管和显示器 |
PCT/JP2008/072222 WO2009075242A1 (en) | 2007-12-13 | 2008-12-02 | Oxide field effect transistor |
TW097147834A TWI385807B (zh) | 2007-12-13 | 2008-12-09 | 場效電晶體 |
Applications Claiming Priority (1)
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JP2007322148A JP5213429B2 (ja) | 2007-12-13 | 2007-12-13 | 電界効果型トランジスタ |
Publications (2)
Publication Number | Publication Date |
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JP2009147069A JP2009147069A (ja) | 2009-07-02 |
JP5213429B2 true JP5213429B2 (ja) | 2013-06-19 |
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JP2007322148A Expired - Fee Related JP5213429B2 (ja) | 2007-12-13 | 2007-12-13 | 電界効果型トランジスタ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100224870A1 (ja) |
JP (1) | JP5213429B2 (ja) |
CN (2) | CN102394248A (ja) |
TW (1) | TWI385807B (ja) |
WO (1) | WO2009075242A1 (ja) |
Families Citing this family (16)
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JP5219529B2 (ja) * | 2008-01-23 | 2013-06-26 | キヤノン株式会社 | 電界効果型トランジスタ及び、該電界効果型トランジスタを備えた表示装置 |
JP2009206508A (ja) * | 2008-01-31 | 2009-09-10 | Canon Inc | 薄膜トランジスタ及び表示装置 |
JP5644071B2 (ja) * | 2008-08-20 | 2014-12-24 | 株式会社リコー | 電界効果型トランジスタ、表示素子、画像表示装置及びシステム |
JP5640478B2 (ja) * | 2009-07-09 | 2014-12-17 | 株式会社リコー | 電界効果型トランジスタの製造方法及び電界効果型トランジスタ |
WO2011034012A1 (en) * | 2009-09-16 | 2011-03-24 | Semiconductor Energy Laboratory Co., Ltd. | Logic circuit, light emitting device, semiconductor device, and electronic device |
KR101662359B1 (ko) * | 2009-11-24 | 2016-10-04 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 메모리 셀을 포함하는 반도체 장치 |
KR101434948B1 (ko) * | 2009-12-25 | 2014-08-28 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 |
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JP5680916B2 (ja) * | 2010-09-15 | 2015-03-04 | 国立大学法人名古屋大学 | 電界効果トランジスタ及び電界効果トランジスタの製造方法 |
JP2012234864A (ja) * | 2011-04-28 | 2012-11-29 | Toshiba Corp | 半導体装置及びその製造方法 |
CN102290443B (zh) * | 2011-07-28 | 2016-03-30 | 京东方科技集团股份有限公司 | 一种非晶薄膜晶体管及其制备方法 |
JP6076626B2 (ja) * | 2012-06-14 | 2017-02-08 | 株式会社ジャパンディスプレイ | 表示装置及びその製造方法 |
US9012261B2 (en) * | 2013-03-13 | 2015-04-21 | Intermolecular, Inc. | High productivity combinatorial screening for stable metal oxide TFTs |
KR101661016B1 (ko) * | 2013-12-03 | 2016-09-29 | 엘지디스플레이 주식회사 | 유기발광 표시장치와 그의 화질 보상방법 |
US9105526B2 (en) * | 2013-12-19 | 2015-08-11 | Intermolecular, Inc. | High productivity combinatorial material screening for metal oxide films |
KR102458660B1 (ko) | 2016-08-03 | 2022-10-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시 장치 및 전자 기기 |
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JP5110803B2 (ja) * | 2006-03-17 | 2012-12-26 | キヤノン株式会社 | 酸化物膜をチャネルに用いた電界効果型トランジスタ及びその製造方法 |
JP4332545B2 (ja) * | 2006-09-15 | 2009-09-16 | キヤノン株式会社 | 電界効果型トランジスタ及びその製造方法 |
JP5116290B2 (ja) * | 2006-11-21 | 2013-01-09 | キヤノン株式会社 | 薄膜トランジスタの製造方法 |
WO2008133345A1 (en) * | 2007-04-25 | 2008-11-06 | Canon Kabushiki Kaisha | Oxynitride semiconductor |
JP5451280B2 (ja) * | 2008-10-09 | 2014-03-26 | キヤノン株式会社 | ウルツ鉱型結晶成長用基板およびその製造方法ならびに半導体装置 |
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JP2009147069A (ja) | 2009-07-02 |
WO2009075242A1 (en) | 2009-06-18 |
TW200939483A (en) | 2009-09-16 |
TWI385807B (zh) | 2013-02-11 |
CN102394248A (zh) | 2012-03-28 |
CN101897030A (zh) | 2010-11-24 |
CN101897030B (zh) | 2012-08-15 |
US20100224870A1 (en) | 2010-09-09 |
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