JP4829473B2 - 絶縁ゲート型半導体装置およびその製造方法 - Google Patents
絶縁ゲート型半導体装置およびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 239000010410 layer Substances 0.000 claims description 56
- 239000011229 interlayer Substances 0.000 claims description 49
- 239000000758 substrate Substances 0.000 claims description 45
- 210000000746 body region Anatomy 0.000 claims description 35
- 239000012535 impurity Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 7
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- 150000002500 ions Chemical class 0.000 claims description 2
- 108091006146 Channels Proteins 0.000 description 36
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 238000005530 etching Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000005368 silicate glass Substances 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-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
- 238000000137 annealing Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/30—Devices controlled by electric currents or voltages
- H10D48/32—Devices controlled 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
- H10D48/34—Bipolar devices
- H10D48/345—Bipolar transistors having ohmic electrodes on emitter-like, base-like, and collector-like regions
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- 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]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
- H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
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- 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]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
- H10D30/0295—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the source electrodes
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- 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]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
- H10D30/0297—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs using recessing of the gate electrodes, e.g. to form trench gate electrodes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/149—Source or drain regions of field-effect devices
- H10D62/151—Source or drain regions of field-effect devices of IGFETs
- H10D62/152—Source regions of DMOS transistors
- H10D62/155—Shapes
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
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- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
することを特徴とするものである。
1a N+型シリコン半導体基板
1b N−型エピタキシャル層
3 チャネル層
5 トレンチ
6 ゲート酸化膜
7 ゲート電極
10 層間絶縁膜
11 凹部
12 ソース領域
13 ボディ領域
14 ソース電極
21 基板
21a N+型シリコン半導体基板
21b N−型エピタキシャル層
24 チャネル層
27 トレンチ
31 ゲート酸化膜
33 ゲート電極
34 ボディ領域
35 ソース領域
36 層間絶縁膜
37 ソース電極
50 空隙
Claims (10)
- ドレイン領域となる一導電型の半導体基板と、
前記ドレイン領域表面に設けた逆導電型のチャネル層と、
前記チャネル層を貫通して設けたトレンチと、
該トレンチの内壁に設けたゲート絶縁膜と、
前記トレンチに埋め込まれたゲート電極と、
隣り合う前記トレンチ間に設けられ、該トレンチに隣接する深い領域と、隣り合う該深い領域間の浅い領域とを有する一導電型のソース領域と、
隣り合う前記トレンチ間の前記基板表面に前記浅い領域を貫通して設けられた凹部と、
該凹部の底部に設けられた逆導電型のボディ領域と、
前記トレンチに埋め込まれ、周辺部より中心付近の膜厚が薄い層間絶縁膜と、
前記ゲート電極上をほぼ平坦に覆い、前記ソース領域とコンタクトするソース電極とを具備することを特徴とする絶縁ゲート型半導体装置。 - 前記ボディ領域は、前記チャネル層表面より下方で前記ソース電極とコンタクトすることを特徴とする請求項1に記載の絶縁ゲート型半導体装置。
- 前記凹部側壁に前記ソース領域が露出することを特徴とする請求項1に記載の絶縁ゲート型半導体装置。
- 一導電型の半導体基板表面に逆導電型のチャネル層を形成する工程と、
前記チャネル層を貫通するトレンチを形成する工程と、
前記トレンチの内壁にゲート絶縁膜を形成する工程と、
前記トレンチに埋め込まれその上部が該トレンチの開口部より下方に位置するゲート電極を形成する工程と、
前記ゲート電極上方で前記トレンチ内に埋め込まれ、周辺部より中心付近の膜厚が薄い層間絶縁膜を形成する工程と、
全面に一導電型不純物領域を形成する工程と、
隣り合う前記トレンチ間の前記一導電型不純物領域を分割する凹部を形成する工程と、
前記トレンチに隣接する深い領域と、隣り合う該深い領域間の浅い領域とを有する一導電型のソース領域を形成し、前記凹部の底部に逆導電型のボディ領域を形成する工程と、
前記ゲート電極上をほぼ平坦に覆うソース電極を形成する工程とを具備することを特徴とする絶縁ゲート型半導体装置の製造方法。 - 前記層間絶縁膜の上部表面は前記基板表面とほぼ同一平面上に形成されることを特徴とする請求項4に記載の絶縁ゲート型半導体装置の製造方法。
- 前記一導電型不純物領域を拡散して前記ソース領域を形成することを特徴とする請求項4に記載の絶縁ゲート型半導体装置の製造方法。
- 前記一導電型不純物領域を形成するイオンはトレンチ側面に対して斜めに注入されることを特徴とする請求項4に記載の絶縁ゲート型半導体装置の製造方法。
- 前記層間絶縁膜の形成工程から前記ソース領域および前記ボディ領域の形成工程までに用いるマスクは1枚であることを特徴とする請求項4に記載の絶縁ゲート型半導体装置の製造方法。
- 前記ゲート電極の形成後前記一導電型不純物領域を形成し、引き続き前記層間絶縁膜を形成した後前記マスクを設けて前記凹部を形成し、前記マスクを介して前記ボディ領域の不純物をイオン注入することを特徴とする請求項4に記載の絶縁ゲート型半導体装置の製造方法。
- 前記ソース領域と前記ボディ領域は一の熱処理工程にて同時に拡散形成されることを特徴とする請求項4に記載の絶縁ゲート型半導体装置の製造方法。
Priority Applications (5)
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JP2004013426A JP4829473B2 (ja) | 2004-01-21 | 2004-01-21 | 絶縁ゲート型半導体装置およびその製造方法 |
TW093131115A TWI254452B (en) | 2004-01-21 | 2004-10-14 | Insulation gate type semiconductor device and its manufacture method |
KR1020040111716A KR100576670B1 (ko) | 2004-01-21 | 2004-12-24 | 절연 게이트형 반도체 장치 및 그 제조 방법 |
CNB2004101037160A CN100449781C (zh) | 2004-01-21 | 2004-12-28 | 绝缘栅极型半导体装置及其制造方法 |
US11/023,961 US7629644B2 (en) | 2004-01-21 | 2004-12-29 | Insulated gate-type semiconductor device and manufacturing method of the same |
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JP2004013426A JP4829473B2 (ja) | 2004-01-21 | 2004-01-21 | 絶縁ゲート型半導体装置およびその製造方法 |
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JP2005209807A JP2005209807A (ja) | 2005-08-04 |
JP4829473B2 true JP4829473B2 (ja) | 2011-12-07 |
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US (1) | US7629644B2 (ja) |
JP (1) | JP4829473B2 (ja) |
KR (1) | KR100576670B1 (ja) |
CN (1) | CN100449781C (ja) |
TW (1) | TWI254452B (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8183629B2 (en) * | 2004-05-13 | 2012-05-22 | Vishay-Siliconix | Stacked trench metal-oxide-semiconductor field effect transistor device |
JP5110776B2 (ja) * | 2004-07-01 | 2012-12-26 | セイコーインスツル株式会社 | 半導体装置の製造方法 |
DE102004034472A1 (de) † | 2004-07-15 | 2006-02-09 | Spiess, Heike | Gedämpfter Lüfter |
JP4731848B2 (ja) * | 2004-07-16 | 2011-07-27 | 株式会社豊田中央研究所 | 半導体装置 |
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US20060273384A1 (en) * | 2005-06-06 | 2006-12-07 | M-Mos Sdn. Bhd. | Structure for avalanche improvement of ultra high density trench MOSFET |
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US8471390B2 (en) * | 2006-05-12 | 2013-06-25 | Vishay-Siliconix | Power MOSFET contact metallization |
JP2008098593A (ja) * | 2006-09-15 | 2008-04-24 | Ricoh Co Ltd | 半導体装置及びその製造方法 |
JP5198752B2 (ja) * | 2006-09-28 | 2013-05-15 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP5092340B2 (ja) | 2006-10-12 | 2012-12-05 | 富士通セミコンダクター株式会社 | 半導体装置及びその製造方法 |
US8368126B2 (en) * | 2007-04-19 | 2013-02-05 | Vishay-Siliconix | Trench metal oxide semiconductor with recessed trench material and remote contacts |
JP5315638B2 (ja) | 2007-07-24 | 2013-10-16 | サンケン電気株式会社 | 半導体装置 |
KR100910815B1 (ko) | 2007-08-31 | 2009-08-04 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
KR100922934B1 (ko) | 2007-12-26 | 2009-10-22 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조방법 |
JP2009224458A (ja) * | 2008-03-14 | 2009-10-01 | New Japan Radio Co Ltd | Mosfet型半導体装置及びその製造方法 |
JP2009266961A (ja) * | 2008-04-23 | 2009-11-12 | Rohm Co Ltd | 半導体装置 |
US20100090270A1 (en) * | 2008-10-10 | 2010-04-15 | Force Mos Technology Co. Ltd. | Trench mosfet with short channel formed by pn double epitaxial layers |
JP5343982B2 (ja) * | 2009-02-16 | 2013-11-13 | トヨタ自動車株式会社 | 半導体装置 |
US9306056B2 (en) | 2009-10-30 | 2016-04-05 | Vishay-Siliconix | Semiconductor device with trench-like feed-throughs |
KR101120179B1 (ko) * | 2010-03-09 | 2012-02-27 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
CN102376758B (zh) * | 2010-08-12 | 2014-02-26 | 上海华虹宏力半导体制造有限公司 | 绝缘栅双极晶体管、制作方法及沟槽栅结构制作方法 |
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KR101841445B1 (ko) | 2011-12-06 | 2018-03-23 | 삼성전자주식회사 | 저항성 메모리 소자 및 그 제조 방법 |
JP2013182935A (ja) * | 2012-02-29 | 2013-09-12 | Toshiba Corp | 半導体装置およびその製造方法 |
US20150380537A1 (en) * | 2013-02-22 | 2015-12-31 | Toyota Jidosha Kabushiki Kaisha | Semiconductor device |
JP2015095466A (ja) * | 2013-11-08 | 2015-05-18 | サンケン電気株式会社 | 半導体装置及びその製造方法 |
JP6566512B2 (ja) * | 2014-04-15 | 2019-08-28 | ローム株式会社 | 半導体装置および半導体装置の製造方法 |
JP6036765B2 (ja) | 2014-08-22 | 2016-11-30 | トヨタ自動車株式会社 | 半導体装置及び半導体装置の製造方法 |
JP6844138B2 (ja) * | 2015-09-16 | 2021-03-17 | 富士電機株式会社 | 半導体装置および製造方法 |
JP6460016B2 (ja) * | 2016-03-09 | 2019-01-30 | トヨタ自動車株式会社 | スイッチング素子 |
CN109873032A (zh) * | 2017-12-05 | 2019-06-11 | 株洲中车时代电气股份有限公司 | 一种沟槽栅igbt器件及其制造方法 |
JP7056163B2 (ja) * | 2018-01-17 | 2022-04-19 | 富士電機株式会社 | 半導体装置 |
JP6968042B2 (ja) * | 2018-07-17 | 2021-11-17 | 三菱電機株式会社 | SiC−SOIデバイスおよびその製造方法 |
DE102019101304B4 (de) * | 2019-01-18 | 2023-04-27 | Infineon Technologies Dresden GmbH & Co. KG | Leistungshalbleitervorrichtung und Verfahren zum Bilden einer Leistungshalbleitervorrichtung |
KR102510937B1 (ko) * | 2019-04-16 | 2023-03-15 | 후지 덴키 가부시키가이샤 | 반도체 장치 및 제조 방법 |
CN112582460A (zh) * | 2019-09-30 | 2021-03-30 | 全球能源互联网研究院有限公司 | 一种半导体器件单元及其制作方法及形成器件 |
JP7513565B2 (ja) | 2021-04-14 | 2024-07-09 | 株式会社デンソー | スイッチング素子の製造方法 |
CN115863411B (zh) * | 2022-11-30 | 2023-08-15 | 上海功成半导体科技有限公司 | 一种屏蔽栅功率器件及其制备方法 |
CN115910795B (zh) * | 2022-11-30 | 2023-08-15 | 上海功成半导体科技有限公司 | 一种屏蔽栅功率器件及其制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4767722A (en) * | 1986-03-24 | 1988-08-30 | Siliconix Incorporated | Method for making planar vertical channel DMOS structures |
US5034785A (en) * | 1986-03-24 | 1991-07-23 | Siliconix Incorporated | Planar vertical channel DMOS structure |
US6351009B1 (en) * | 1999-03-01 | 2002-02-26 | Fairchild Semiconductor Corporation | MOS-gated device having a buried gate and process for forming same |
JP2001085685A (ja) * | 1999-09-13 | 2001-03-30 | Shindengen Electric Mfg Co Ltd | トランジスタ |
JP4091242B2 (ja) * | 1999-10-18 | 2008-05-28 | セイコーインスツル株式会社 | 縦形mosトランジスタ及びその製造方法 |
JP2001274396A (ja) | 2000-03-27 | 2001-10-05 | Sanyo Electric Co Ltd | 絶縁ゲート型半導体装置の製造方法 |
US6472678B1 (en) * | 2000-06-16 | 2002-10-29 | General Semiconductor, Inc. | Trench MOSFET with double-diffused body profile |
EP2398058B1 (en) * | 2001-01-19 | 2016-09-07 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor device |
TW543146B (en) * | 2001-03-09 | 2003-07-21 | Fairchild Semiconductor | Ultra dense trench-gated power device with the reduced drain-source feedback capacitance and miller charge |
JP2002314081A (ja) * | 2001-04-12 | 2002-10-25 | Denso Corp | トレンチゲート型半導体装置およびその製造方法 |
JP2003101027A (ja) | 2001-09-27 | 2003-04-04 | Toshiba Corp | 半導体装置及びその製造方法 |
JP2003303967A (ja) * | 2002-04-09 | 2003-10-24 | Shindengen Electric Mfg Co Ltd | 半導体装置およびその製造方法 |
JP3640945B2 (ja) * | 2002-09-02 | 2005-04-20 | 株式会社東芝 | トレンチゲート型半導体装置及びその製造方法 |
US6861701B2 (en) * | 2003-03-05 | 2005-03-01 | Advanced Analogic Technologies, Inc. | Trench power MOSFET with planarized gate bus |
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KR100576670B1 (ko) | 2006-05-08 |
US20050167748A1 (en) | 2005-08-04 |
CN100449781C (zh) | 2009-01-07 |
KR20050076601A (ko) | 2005-07-26 |
JP2005209807A (ja) | 2005-08-04 |
US7629644B2 (en) | 2009-12-08 |
TWI254452B (en) | 2006-05-01 |
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