JPH08511380A - 薄膜電界効果トランジスタを具える電子デバイスの製造方法 - Google Patents
薄膜電界効果トランジスタを具える電子デバイスの製造方法Info
- Publication number
- JPH08511380A JPH08511380A JP7526201A JP52620195A JPH08511380A JP H08511380 A JPH08511380 A JP H08511380A JP 7526201 A JP7526201 A JP 7526201A JP 52620195 A JP52620195 A JP 52620195A JP H08511380 A JPH08511380 A JP H08511380A
- Authority
- JP
- Japan
- Prior art keywords
- region
- semiconductor film
- drain region
- drain
- impurities
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
- H10D30/0314—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes of lateral top-gate TFTs comprising only a single gate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0321—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] comprising silicon, e.g. amorphous silicon or polysilicon
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6713—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes
- H10D30/6715—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device characterised by the properties of the source or drain regions, e.g. compositions or sectional shapes characterised by the doping profiles, e.g. having lightly-doped source or drain extensions
-
- G—PHYSICS
- 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
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
Landscapes
- Thin Film Transistor (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ソース領域とドレイン領域の間の半導体膜の第1の領域のチャネル領域と、 チャネル領域に結合され、前記ソース領域とドレイン領域との間の電流通路を流 れる電流を制御するゲートと、ゲートドレイン領域の不純物濃度よりも低い不純 物を有し、チャネル領域がドレイン領域から横方向において分離されている区域 に形成された電界緩和領域とを有する薄膜電界効果トランジスタを具える電子デ バイスを製造するに際し、前記電流通路のチャネル領域がドレイン領域から横方 向に分離されている位置に前記半導体膜の第2の区域を形成し、ドレイン領域及 び前記第2の区域をエネルギービームで加熱することにより不純物の横方向拡散 処理を行い、ドレイン領域の不純物を前記半導体膜の厚さより長い距離にわたっ て前記第2の区域まで拡散させることにより前記電界緩和領域形成することを特 徴とする薄膜トランジスタを具える電子デバイスの製造方法。 2.請求項1に記載の方法において、前記ドレイン領域の不純物が、前記半導体 膜を基板に堆積する前に、基板上に堆積及び位置決めされた高濃度不純物添加層 により形成されることを特徴とする方法。 3.請求項1に記載の方法において、前記ドレイン領域の不純物を与える不純物 が添加された層を前記半導体膜上に形成し、前記エネルギービームによる横方向 拡散を行う前に前記不純物が添加された層を少なくとも半導体膜の第2の区域か ら除去することを特徴とする方法。 4.請求項1に記載の方法において、前記半導体膜の表面部分に不純物イオンを 注入してドレイン領域の不純物を与え、前記エネルギービームによる横方向拡散 を行う前に前記不純物が注入された層の少なくとも半導体膜の第2の区域と対応 する部分をエッチッグすることを特徴とする方法。 5.請求項3又は4に記載の方法において、前記エッチング処理を前記半導体膜 の第1及び第2の区域の両方について行い、その後ゲートを前記半導体膜の第1 の区域上の絶縁層上に形成するすることを特徴とする方法。 6.請求項1に記載の方法において、ゲート層を含む注入マスクを前記半導体膜 の第1及び第2の区域の両方に形成し、その後不純物イオンを半導体膜に注入し てドレイン領域の不純物を与えると共に前記注入マスクを用いて第1及び第2の 区域をマスクし、半導体膜の第2の領域から前記ゲート層をエッチングすること により前記ゲート層によりゲートを形成し、このエッチングをエネルギービーム による横方向拡散工程の前又は後のいずれかに行うことを特徴とする方法。 7.請求項6に記載の方法において、前記注入マスクがゲート層上のレジスト層 を含み、前記ゲートを、エネルギービームによる横方向拡散工程の前に、レジス ト層の端部の下側から前記ゲート層をエッチングすることにより形成することを 特徴とする方法。 8.請求項1から7までのいずれか1項に記載の方法において、前記エネルギー ビームがドレイン領域においてドレイン領域の厚さ以下の吸収深さを有すること を特徴とする方法。 9.請求項8に記載の方法において、前記エネルギービームがパルス型のエキシ マレーザから発生した紫外波長を含むことを特徴とする方法。 10.請求項1から9までのいずれか1項に記載の方法において、前記エネルギ ービームによる横方向拡散工程の後、ドレイン領域及び電界緩和領域の不純物が 前記半導体膜の厚さまで拡散していることを特徴とする方法。 11.請求項1から9までのいずれか1項に記載の方法において、前記ドレイン 領域の不純物を、前記電界緩和領域がチャネル領域とドレイン領域との間の第2 の区域の全長にわたって延在するように拡散させることを特徴とする方法。 12.ソース領域とドレイン領域の間の半導体膜の第1の領域のチャネル領域と 、チャネル領域に結合され、前記ソース領域とドレイン領域との間の電流通路を 流れる電流を制御するゲートと、ゲートドレイン領域の不純物濃度よりも低い不 純物を有し、チャネル領域がドレイン領域から横方向において分離されている区 域に形成された電界緩和領域とを有する薄膜電界効果トランジスタを具える電子 デバイスにおいて、前記電界緩和領域が半導体膜の第2の区域の少なくとも一部 に沿って延在し、この第2の区域がチャネル領域をドレイン領域から横方向にお いて分離し、電界緩和領域の不純物が半導体膜の第2の区域の電 流通路に沿ってドレイン領域まで前記半導体膜の厚さよりも長い距離にわたって ドレイン領域からの拡散プロファイルに対応して漸次増大していることを特徴と する電子デバイス。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9406900.2 | 1994-04-07 | ||
| GB9406900A GB9406900D0 (en) | 1994-04-07 | 1994-04-07 | Manufacture of electronic devices comprising thin -film transistors |
| PCT/IB1995/000191 WO1995028001A2 (en) | 1994-04-07 | 1995-03-21 | Manufacture of electronic devices comprising thin-film transistors with laterally separated drain and graded doping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08511380A true JPH08511380A (ja) | 1996-11-26 |
| JP4242926B2 JP4242926B2 (ja) | 2009-03-25 |
Family
ID=10753164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52620195A Expired - Lifetime JP4242926B2 (ja) | 1994-04-07 | 1995-03-21 | 薄膜電界効果トランジスタを具える電子デバイスの製造方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5618741A (ja) |
| EP (1) | EP0702852B1 (ja) |
| JP (1) | JP4242926B2 (ja) |
| KR (1) | KR100423382B1 (ja) |
| DE (1) | DE69510288T2 (ja) |
| GB (1) | GB9406900D0 (ja) |
| WO (1) | WO1995028001A2 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003502841A (ja) * | 1999-06-14 | 2003-01-21 | エルティーアールアイエム テクノロジーズ インコーポレイティド | 半導体集積デバイスのインピーダンスをチューニングする方法および装置 |
| JP2003318198A (ja) * | 2002-04-25 | 2003-11-07 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
| JP2017076785A (ja) * | 2015-10-12 | 2017-04-20 | 株式会社半導体エネルギー研究所 | 半導体装置、及び半導体装置の作製方法 |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6975296B1 (en) * | 1991-06-14 | 2005-12-13 | Semiconductor Energy Laboratory Co., Ltd. | Electro-optical device and method of driving the same |
| US6337232B1 (en) * | 1995-06-07 | 2002-01-08 | Semiconductor Energy Laboratory Co., Ltd. | Method of fabrication of a crystalline silicon thin film semiconductor with a thin channel region |
| US6790714B2 (en) | 1995-07-03 | 2004-09-14 | Sanyo Electric Co., Ltd. | Semiconductor device, display device and method of fabricating the same |
| US5771110A (en) * | 1995-07-03 | 1998-06-23 | Sanyo Electric Co., Ltd. | Thin film transistor device, display device and method of fabricating the same |
| TW384611B (en) * | 1997-02-14 | 2000-03-11 | Canon Kk | Data communication apparatus and method |
| EP0859327B1 (en) * | 1997-02-14 | 2009-07-15 | Canon Kabushiki Kaisha | Data transmission apparatus, system and method, and image processing apparatus |
| US5940691A (en) | 1997-08-20 | 1999-08-17 | Micron Technology, Inc. | Methods of forming SOI insulator layers and methods of forming transistor devices |
| US5882958A (en) * | 1997-09-03 | 1999-03-16 | Wanlass; Frank M. | Damascene method for source drain definition of silicon on insulator MOS transistors |
| US6207493B1 (en) | 1998-08-19 | 2001-03-27 | International Business Machines Corporation | Formation of out-diffused bitline by laser anneal |
| US6071762A (en) * | 1998-11-16 | 2000-06-06 | Industrial Technology Research Institute | Process to manufacture LDD TFT |
| TWI291729B (en) | 2001-11-22 | 2007-12-21 | Semiconductor Energy Lab | A semiconductor fabricating apparatus |
| US7133737B2 (en) * | 2001-11-30 | 2006-11-07 | Semiconductor Energy Laboratory Co., Ltd. | Program for controlling laser apparatus and recording medium for recording program for controlling laser apparatus and capable of being read out by computer |
| KR100967824B1 (ko) * | 2001-11-30 | 2010-07-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치의 제작방법 |
| US7214573B2 (en) * | 2001-12-11 | 2007-05-08 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device that includes patterning sub-islands |
| JP3992976B2 (ja) | 2001-12-21 | 2007-10-17 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| JP4030758B2 (ja) | 2001-12-28 | 2008-01-09 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| US7863660B2 (en) * | 2005-05-31 | 2011-01-04 | Sharp Kabushiki Kaisha | Photodiode and display device |
| JP5130621B2 (ja) * | 2005-11-24 | 2013-01-30 | ソニー株式会社 | 半導体基板の製造方法 |
| CA2533225C (en) * | 2006-01-19 | 2016-03-22 | Technologies Ltrim Inc. | A tunable semiconductor component provided with a current barrier |
| KR101406889B1 (ko) | 2007-12-24 | 2014-06-13 | 삼성디스플레이 주식회사 | 박막트랜지스터 및 그의 제조 방법 |
| KR101419239B1 (ko) | 2007-12-31 | 2014-07-16 | 엘지디스플레이 주식회사 | 박막 트랜지스터, 이의 제조 방법 및 이를 이용한 표시장치의 제조 방법 |
| KR101351403B1 (ko) | 2007-12-31 | 2014-01-15 | 엘지디스플레이 주식회사 | 박막 트랜지스터, 이의 제조 방법 및 이를 이용한 표시장치의 제조 방법 |
| KR101351402B1 (ko) | 2007-12-31 | 2014-01-15 | 엘지디스플레이 주식회사 | 박막 트랜지스터의 제조 방법 및 이를 이용한 표시 장치의제조 방법 |
| US20110068342A1 (en) * | 2009-09-18 | 2011-03-24 | Themistokles Afentakis | Laser Process for Minimizing Variations in Transistor Threshold Voltages |
| JP5891504B2 (ja) * | 2011-03-08 | 2016-03-23 | 株式会社Joled | 薄膜トランジスタアレイ装置の製造方法 |
| US9466520B2 (en) * | 2014-04-13 | 2016-10-11 | Texas Instruments Incorporated | Localized region of isolated silicon over recessed dielectric layer |
| US9312164B2 (en) * | 2014-04-13 | 2016-04-12 | Texas Instruments Incorporated | Localized region of isolated silicon over dielectric mesa |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4181538A (en) * | 1978-09-26 | 1980-01-01 | The United States Of America As Represented By The United States Department Of Energy | Method for making defect-free zone by laser-annealing of doped silicon |
| JPS5633822A (en) * | 1979-08-29 | 1981-04-04 | Hitachi Ltd | Preparation of semiconductor device |
| JPS56135969A (en) * | 1980-03-27 | 1981-10-23 | Fujitsu Ltd | Manufacture of semiconductor device |
| US4379727A (en) * | 1981-07-08 | 1983-04-12 | International Business Machines Corporation | Method of laser annealing of subsurface ion implanted regions |
| JPH02208942A (ja) * | 1989-02-08 | 1990-08-20 | Seiko Epson Corp | 薄膜トランジスタの製造方法 |
| JPH02291138A (ja) * | 1989-04-28 | 1990-11-30 | Sony Corp | トランジスタの製造方法 |
| JPH03194937A (ja) * | 1989-12-22 | 1991-08-26 | Sony Corp | 薄膜トランジスタの製造方法 |
| US5132753A (en) * | 1990-03-23 | 1992-07-21 | Siliconix Incorporated | Optimization of BV and RDS-on by graded doping in LDD and other high voltage ICs |
| JPH0442579A (ja) * | 1990-06-08 | 1992-02-13 | Seiko Epson Corp | 薄膜トランジスタ及び製造方法 |
| GB2245741A (en) * | 1990-06-27 | 1992-01-08 | Philips Electronic Associated | Active matrix liquid crystal devices |
| JP2584117B2 (ja) * | 1990-09-21 | 1997-02-19 | 松下電器産業株式会社 | 薄膜トランジスタの製造方法 |
| JP2794678B2 (ja) * | 1991-08-26 | 1998-09-10 | 株式会社 半導体エネルギー研究所 | 絶縁ゲイト型半導体装置およびその作製方法 |
| JPH04315441A (ja) * | 1991-04-15 | 1992-11-06 | Nec Corp | 薄膜トランジスタの製造方法 |
| GB9114018D0 (en) * | 1991-06-28 | 1991-08-14 | Philips Electronic Associated | Thin-film transistor manufacture |
| GB9113979D0 (en) * | 1991-06-28 | 1991-08-14 | Philips Electronic Associated | Thin-film transistors and their manufacture |
| JPH0582552A (ja) * | 1991-09-24 | 1993-04-02 | Seiko Epson Corp | 薄膜トランジスタの製造方法 |
| JPH05182983A (ja) * | 1991-12-27 | 1993-07-23 | Seiko Epson Corp | 薄膜トランジスタの製造方法 |
| JP3211377B2 (ja) * | 1992-06-17 | 2001-09-25 | ソニー株式会社 | 半導体装置の製造方法 |
-
1994
- 1994-04-07 GB GB9406900A patent/GB9406900D0/en active Pending
-
1995
- 1995-03-21 EP EP95910710A patent/EP0702852B1/en not_active Expired - Lifetime
- 1995-03-21 WO PCT/IB1995/000191 patent/WO1995028001A2/en not_active Ceased
- 1995-03-21 KR KR1019950705521A patent/KR100423382B1/ko not_active Expired - Lifetime
- 1995-03-21 DE DE69510288T patent/DE69510288T2/de not_active Expired - Lifetime
- 1995-03-21 JP JP52620195A patent/JP4242926B2/ja not_active Expired - Lifetime
- 1995-04-05 US US08/417,292 patent/US5618741A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003502841A (ja) * | 1999-06-14 | 2003-01-21 | エルティーアールアイエム テクノロジーズ インコーポレイティド | 半導体集積デバイスのインピーダンスをチューニングする方法および装置 |
| JP2003318198A (ja) * | 2002-04-25 | 2003-11-07 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
| JP2017076785A (ja) * | 2015-10-12 | 2017-04-20 | 株式会社半導体エネルギー研究所 | 半導体装置、及び半導体装置の作製方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4242926B2 (ja) | 2009-03-25 |
| US5618741A (en) | 1997-04-08 |
| DE69510288T2 (de) | 1999-12-16 |
| KR100423382B1 (ko) | 2004-07-19 |
| DE69510288D1 (de) | 1999-07-22 |
| WO1995028001A2 (en) | 1995-10-19 |
| KR960702949A (ko) | 1996-05-23 |
| WO1995028001A3 (en) | 1995-11-30 |
| EP0702852A1 (en) | 1996-03-27 |
| GB9406900D0 (en) | 1994-06-01 |
| EP0702852B1 (en) | 1999-06-16 |
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