JP6497852B2 - 薄膜トランジスタ装置 - Google Patents
薄膜トランジスタ装置 Download PDFInfo
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- JP6497852B2 JP6497852B2 JP2014121654A JP2014121654A JP6497852B2 JP 6497852 B2 JP6497852 B2 JP 6497852B2 JP 2014121654 A JP2014121654 A JP 2014121654A JP 2014121654 A JP2014121654 A JP 2014121654A JP 6497852 B2 JP6497852 B2 JP 6497852B2
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- thin film
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- 239000010409 thin film Substances 0.000 title claims description 59
- 239000004065 semiconductor Substances 0.000 claims description 36
- 239000012535 impurity Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 36
- 239000010410 layer Substances 0.000 description 36
- 239000011229 interlayer Substances 0.000 description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- OFIYHXOOOISSDN-UHFFFAOYSA-N tellanylidenegallium Chemical compound [Te]=[Ga] OFIYHXOOOISSDN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
11 第1の薄膜トランジスタ
12 第2の薄膜トランジスタ
15 半導体層
17 ゲート電極
19 共用電極
20 第1の電極
21 第2の電極
25 第1の半導体層部
26 第2の半導体層部
31 第1のチャネル領域
32,33 第1のコンタクト領域
35 第1の接合部
36 第1の突出部
41 第2のチャネル領域
42,43 第2のコンタクト領域
45 第2の接合部
46 第2の突出部
51 第1のゲート電極部
52 第2のゲート電極部
53 導電部
Claims (2)
- 所定方向に互いに隣接する第1及び第2の薄膜トランジスタを備えた薄膜トランジスタ装置であって、
半導体層と、
前記所定方向に互いに離間され前記第1及び第2の薄膜トランジスタの一部をなす第1及び第2のゲート電極部、及び、これら第1及び第2のゲート電極部を互いに電気的に接続する導電部を備えたゲート電極と、
前記第1及び第2のゲート電極部間に位置し前記第1及び第2の薄膜トランジスタのそれぞれの一部をなす共用電極と、
前記第1及び第2のゲート電極部に対して前記共用電極とそれぞれ反対側に位置し前記第1及び第2の薄膜トランジスタの一部をなす第1及び第2の電極とを具備し、
前記半導体層は、
前記第1のゲート電極部と対向する第1のチャネル領域、及び、この第1のチャネル領域を前記所定方向に挟んで形成され、N型不純物がそれぞれドープされるとともに一方が前記共用電極と電気的に接続され他方が前記第1の電極と電気的に接続された対をなす第1のコンタクト領域を少なくとも有し、前記第1の薄膜トランジスタの一部をなす第1の半導体層部と、
前記第2のゲート電極部と対向する第2のチャネル領域、及び、この第2のチャネル領域を前記所定方向に挟んで形成され、P型不純物がそれぞれドープされるとともに一方が前記共用電極と電気的に接続され他方が前記第2の電極と電気的に接続された対をなす第2のコンタクト領域を少なくとも有し、前記第2の薄膜トランジスタの一部をなす第2の半導体層部とを備え、
一方の前記第1及び第2のコンタクト領域のそれぞれの一部が、前記所定方向に対して交差する交差方向に交互に隣接して配置され、前記交差方向に交互に隣接して配置される一方の前記第1及び第2のコンタクト領域の前記所定方向の幅が、前記共用電極が前記第1及び第2のコンタクト領域と接触する前記所定方向の幅よりも広く、
前記第1及び第2のコンタクト領域は、前記所定方向に沿って突出する第1及び第2の突出部を備え、
前記共用電極は、前記第1及び第2のコンタクト領域の第1及び第2の突出部と前記所定方向の幅が略等しく、かつ、前記第1及び第2の突出部に対し、これら第1及び第2の突出部の前記所定方向の略中央位置で接触している
ことを特徴とする薄膜トランジスタ装置。 - 一方の前記第1及び第2のコンタクト領域は、
前記第1及び第2のチャネル領域とそれぞれ結合された帯状の第1及び第2の接合部を備え、
前記第1及び第2の突出部は、前記第1の接合部及び第2の接合部からそれぞれ突出し、前記交差方向に交互に配置されている
ことを特徴とする請求項1記載の薄膜トランジスタ装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014121654A JP6497852B2 (ja) | 2014-06-12 | 2014-06-12 | 薄膜トランジスタ装置 |
US14/738,017 US9331078B2 (en) | 2014-06-12 | 2015-06-12 | Thin film transistor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014121654A JP6497852B2 (ja) | 2014-06-12 | 2014-06-12 | 薄膜トランジスタ装置 |
Publications (2)
Publication Number | Publication Date |
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JP2016001698A JP2016001698A (ja) | 2016-01-07 |
JP6497852B2 true JP6497852B2 (ja) | 2019-04-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014121654A Active JP6497852B2 (ja) | 2014-06-12 | 2014-06-12 | 薄膜トランジスタ装置 |
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US (1) | US9331078B2 (ja) |
JP (1) | JP6497852B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10283531B2 (en) * | 2016-07-29 | 2019-05-07 | Lg Display Co., Ltd. | Thin film transistor, method for manufacturing the same, and display device including the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0817207B2 (ja) * | 1993-06-21 | 1996-02-21 | ソニー株式会社 | 薄膜cmosトランジスタ |
US5956581A (en) * | 1995-04-20 | 1999-09-21 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device |
JP3527034B2 (ja) * | 1996-09-20 | 2004-05-17 | 株式会社半導体エネルギー研究所 | 半導体装置 |
JP4662647B2 (ja) * | 2001-03-30 | 2011-03-30 | シャープ株式会社 | 表示装置及びその製造方法 |
JP2006128411A (ja) | 2004-10-28 | 2006-05-18 | Toshiba Matsushita Display Technology Co Ltd | 薄膜トランジスタ基板及びその製造方法 |
JP4931411B2 (ja) * | 2005-12-13 | 2012-05-16 | シャープ株式会社 | 半導体装置 |
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2014
- 2014-06-12 JP JP2014121654A patent/JP6497852B2/ja active Active
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2015
- 2015-06-12 US US14/738,017 patent/US9331078B2/en active Active
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US9331078B2 (en) | 2016-05-03 |
JP2016001698A (ja) | 2016-01-07 |
US20150364469A1 (en) | 2015-12-17 |
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