JP2012074681A - 半導体装置及びその駆動方法 - Google Patents
半導体装置及びその駆動方法 Download PDFInfo
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- JP2012074681A JP2012074681A JP2011184293A JP2011184293A JP2012074681A JP 2012074681 A JP2012074681 A JP 2012074681A JP 2011184293 A JP2011184293 A JP 2011184293A JP 2011184293 A JP2011184293 A JP 2011184293A JP 2012074681 A JP2012074681 A JP 2012074681A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 177
- 238000000034 method Methods 0.000 title claims description 15
- 230000005684 electric field Effects 0.000 claims abstract description 78
- 238000009413 insulation Methods 0.000 abstract 3
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- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 229910052733 gallium Inorganic materials 0.000 description 5
- 229910052738 indium Inorganic materials 0.000 description 5
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- 229910018137 Al-Zn Inorganic materials 0.000 description 4
- 229910018573 Al—Zn Inorganic materials 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
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- 229910020994 Sn-Zn Inorganic materials 0.000 description 4
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- 150000004678 hydrides Chemical class 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
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- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 2
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- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
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- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000008025 crystallization Effects 0.000 description 1
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- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
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- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
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- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- VQMWBBYLQSCNPO-UHFFFAOYSA-N promethium atom Chemical compound [Pm] VQMWBBYLQSCNPO-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- 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
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- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
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- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
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- H01L29/78621—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile
- H01L29/78627—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure with LDD structure or an extension or an offset region or characterised by the doping profile with a significant overlap between the lightly doped drain and the gate electrode, e.g. GOLDD
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- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
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Abstract
【解決手段】ゲート電極とドレイン電極を重畳させずに設け、且つ上面において、ゲート電極とドレイン電極の間には電界制御電極が設けられている。そして、ゲート電極と半導体層の間、及び電界制御電極と半導体層の間には、それぞれ絶縁層が設けられており、電界制御電極と半導体層の間に設けられた絶縁層は、ゲート電極と半導体層の間に設けられた絶縁層よりも厚い。さらには、この半導体装置を駆動させるに際して、電界制御電極の電位は、ソース電位以上であってゲート電位より低ければよく、例えば、電界制御電極とソース電位を接続させることでこのような構成を実現することができる。
【選択図】図1
Description
本実施の形態では、本発明の一態様である半導体装置について説明する。
本発明の一態様である半導体装置は、実施の形態1にて説明した構造に限定されない。本実施の形態では、本発明の一態様である半導体装置であって、実施の形態1とは異なるものについて説明する。
本発明の一態様である半導体装置は、実施の形態1及び実施の形態2にて説明した構造に限定されない。本実施の形態では、本発明の一態様である半導体装置であって、実施の形態1及び実施の形態2とは異なるものについて説明する。
本発明の一態様である半導体装置は、実施の形態1乃至実施の形態3にて説明した構成に限定されない。本実施の形態では、本発明の一態様である半導体装置であって、実施の形態1乃至実施の形態3とは異なるものについて説明する。
102a ソース電極
102b ドレイン電極
103 半導体膜
104 半導体層
106 第1の絶縁層
107 第2の導電膜
108 ゲート電極
110 第2の絶縁層
111 第3の導電膜
112 電界制御電極
114 開口部
116 ゲート電極
151 第1の抵抗素子
152 第2の抵抗素子
200 基板
202a ゲート電極
202b 電界制御電極
204 第1の絶縁層
206 半導体層
208a ソース電極
208b ドレイン電極
210 開口部
300 基板
302a ゲート電極
302b ドレイン電極
304 第1の絶縁層
306 半導体層
308 ソース電極
310 第2の絶縁層
312a 電界制御電極
312b 配線
314 開口部
400 基板
402 ソース電極
404 半導体層
406 ドレイン電極
408 第1の絶縁層
410 ゲート電極
412 第2の絶縁層
414 電界制御電極
416 開口部
Claims (4)
- 互いに離間して設けられたソース電極及びドレイン電極と、
前記ソース電極及び前記ドレイン電極に接して設けられた半導体層と、
少なくとも前記半導体層を覆って設けられた第1の絶縁層と、
前記第1の絶縁層上に、前記半導体層の一部及び前記ソース電極と重畳し、且つ前記ドレイン電極と重畳せずして設けられたゲート電極と、
少なくとも前記ゲート電極を覆って設けられた第2の絶縁層と、
前記第2の絶縁層上に、前記半導体層の一部と重畳し、前記ゲート電極と前記ドレイン電極の間の領域と重畳して配された電界制御電極と、を有し、
前記電界制御電極は、前記ソース電極と電気的に接続されていることを特徴とする半導体装置。 - 請求項1において、
前記半導体層は酸化物半導体層であることを特徴とする半導体装置。 - 互いに離間して設けられたソース電極及びドレイン電極と、
前記ソース電極及び前記ドレイン電極に接して設けられた半導体層と、
少なくとも前記半導体層を覆って設けられた第1の絶縁層と、
前記第1の絶縁層上に、前記半導体層の一部及び前記ソース電極と重畳し、且つ前記ドレイン電極と重畳せずして設けられたゲート電極と、
少なくとも前記ゲート電極を覆って設けられた第2の絶縁層と、
前記第2の絶縁層上に、前記半導体層の一部と重畳し、前記ゲート電極と前記ドレイン電極の間の領域と重畳して配された電界制御電極と、を有する半導体装置の駆動方法であって、
前記電界制御電極の電位を、前記ソース電極の電位以上前記ゲート電極の電位未満とすることを特徴とする半導体装置の駆動方法。 - 請求項3において、
前記半導体層は酸化物半導体層であることを特徴とする半導体装置の駆動方法。
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JP4623179B2 (ja) | 2008-09-18 | 2011-02-02 | ソニー株式会社 | 薄膜トランジスタおよびその製造方法 |
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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2011
- 2011-08-19 US US13/213,673 patent/US8575610B2/en active Active
- 2011-08-23 TW TW100130105A patent/TWI512837B/zh active
- 2011-08-26 JP JP2011184293A patent/JP5780884B2/ja not_active Expired - Fee Related
- 2011-09-01 KR KR1020110088456A patent/KR101422322B1/ko active IP Right Grant
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2014
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JPH07183520A (ja) * | 1993-12-24 | 1995-07-21 | Nec Corp | 薄膜トランジスタ |
JP2002094054A (ja) * | 2000-09-19 | 2002-03-29 | Hitachi Ltd | 半導体装置およびその製造方法 |
JP2009224357A (ja) * | 2008-03-13 | 2009-10-01 | Rohm Co Ltd | ZnO系トランジスタ |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9741308B2 (en) | 2014-02-14 | 2017-08-22 | Sharp Kabushiki Kaisha | Active matrix substrate |
US10074328B2 (en) | 2014-02-14 | 2018-09-11 | Sharp Kabushiki Kaisha | Active matrix substrate |
US10976627B2 (en) | 2015-12-01 | 2021-04-13 | Sharp Kabushiki Kaisha | Active matrix substrate and liquid crystal display panel comprising same |
Also Published As
Publication number | Publication date |
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KR20140053933A (ko) | 2014-05-08 |
KR101422322B1 (ko) | 2014-07-22 |
KR20120024487A (ko) | 2012-03-14 |
KR101861887B1 (ko) | 2018-05-28 |
TW201234492A (en) | 2012-08-16 |
US8575610B2 (en) | 2013-11-05 |
TWI512837B (zh) | 2015-12-11 |
US20120056646A1 (en) | 2012-03-08 |
JP5780884B2 (ja) | 2015-09-16 |
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