JP2006507682A - 横方向ドープチャネルの製造方法 - Google Patents
横方向ドープチャネルの製造方法 Download PDFInfo
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- JP2006507682A JP2006507682A JP2004555270A JP2004555270A JP2006507682A JP 2006507682 A JP2006507682 A JP 2006507682A JP 2004555270 A JP2004555270 A JP 2004555270A JP 2004555270 A JP2004555270 A JP 2004555270A JP 2006507682 A JP2006507682 A JP 2006507682A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 49
- 239000000463 material Substances 0.000 claims abstract description 68
- 239000007943 implant Substances 0.000 claims abstract description 26
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 9
- 150000004767 nitrides Chemical class 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 23
- 238000009792 diffusion process Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 22
- 239000002800 charge carrier Substances 0.000 description 12
- 239000002019 doping agent Substances 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- FEWHDZOJQQLPEN-UHFFFAOYSA-N [O].[N].[O] Chemical compound [O].[N].[O] FEWHDZOJQQLPEN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
- 239000002356 single layer Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
-
- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
-
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- 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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
- H01L27/10—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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration
- H01L27/105—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 at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a repetitive configuration including field-effect components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1025—Channel region of field-effect devices
- H01L29/1029—Channel region of field-effect devices of field-effect transistors
- H01L29/1033—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure
- H01L29/1041—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface
- H01L29/1045—Channel region of field-effect devices of field-effect transistors with insulated gate, e.g. characterised by the length, the width, the geometric contour or the doping structure with a non-uniform doping structure in the channel region surface the doping structure being parallel to the channel length, e.g. DMOS like
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66825—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a floating gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66833—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a charge trapping gate insulator, e.g. MNOS transistors
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- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- High Energy & Nuclear Physics (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
以下、本発明の実施形態を、フラッシュメモリデバイスの設計及び動作に関して説明する。しかしながら、本発明の実施形態は、他の電気回路の設計やオペレーションにおいても適用され得る。
Claims (10)
- 横方向ドープチャネルの製造方法であって、
ゲート構造に隣接する領域に実質的に垂直に第1ドーピング材をインプラント(310)し、
前記第1ドーピング材を前記ゲート構造下方のチャネル領域に拡散(320)させ、
ソース/ドレイン領域を形成するように、前記ゲート構造に隣接する領域に実質的に垂直に第2のドーピング材をインプラント(330)する、方法。 - 前記横方向ドープチャネルは、メモリ半導体セルの一部である、請求項1記載の方法。
- 前記メモリ半導体セルは、非揮発性である、請求項2記載の方法。
- 前記メモリ半導体セルは、窒化物層(12C)をストレージエレメントとして含む、請求項3記載の方法。
- 互いに実質的に同様の半導体セルのアレイであって、
二つ以上の実質的に同様の半導体セル(10)を有し、各半導体セルは、ゲート構造及びチャネル領域(17)を備えるものであり、
前記ゲート構造の高さ寸法は、前記チャネル領域の傾斜インプラントを阻害するものとなっており、
前記チャネル領域は横方向ドープチャネルを有する、アレイ。 - 前記横方向ドープチャネルは、
ゲート構造に隣接する領域に実質的に垂直に第1ドーピング材をインプラント(310)し、
前記第1ドーピング材を前記ゲート構造下方のチャネル領域に拡散(320)させ、
ソース/ドレイン領域を形成するように、前記ゲート構造に隣接する領域に実質的に垂直に第2のドーピング材をインプラント(330)することで形成される、請求項5記載のアレイ。 - 前記第1ドーピング材はP型ドーピング材である、請求項6記載のアレイ。
- 前記第2ドーピング材はN型ドーピング材である、請求項6記載のアレイ。
- ゲート構造に隣接する領域に実質的に垂直に第1ドーピング材をインプラント(320)し、
前記ゲート構造に隣接するスペーサ(525)を形成し、
前記ゲート構造に隣接領域に実質的に垂直に第2ドーピング材をインプラント(330)し、前記スペーサによって、前記第2ドーピング材が前記スペーサの実質的に下方の領域にインプラントされることが実質的に防がれる、横方向ドープチャネルの製造方法。 - 前記横方向ドープチャネルは、メモリ半導体セルの一部である、請求項9記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/305,724 US7049188B2 (en) | 2002-11-26 | 2002-11-26 | Lateral doped channel |
PCT/US2003/021667 WO2004049446A1 (en) | 2002-11-26 | 2003-07-10 | Method of producing a laterally doped channel |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006507682A true JP2006507682A (ja) | 2006-03-02 |
Family
ID=32325498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004555270A Pending JP2006507682A (ja) | 2002-11-26 | 2003-07-10 | 横方向ドープチャネルの製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7049188B2 (ja) |
EP (1) | EP1568081A1 (ja) |
JP (1) | JP2006507682A (ja) |
KR (1) | KR101037775B1 (ja) |
CN (1) | CN100414708C (ja) |
AU (1) | AU2003253879A1 (ja) |
TW (1) | TW200409303A (ja) |
WO (1) | WO2004049446A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013157511A (ja) * | 2012-01-31 | 2013-08-15 | Toshiba Corp | 記憶装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7085170B2 (en) * | 2003-08-07 | 2006-08-01 | Micron Technology, Ind. | Method for erasing an NROM cell |
US7408222B2 (en) * | 2006-03-27 | 2008-08-05 | Infineon Technologies Ag | Charge trapping device and method of producing the charge trapping device |
CN102184896B (zh) * | 2011-04-06 | 2012-08-29 | 北京大学 | 一种抑制闪存编程干扰的工艺方法 |
US8895327B1 (en) | 2011-12-09 | 2014-11-25 | Suvolta, Inc. | Tipless transistors, short-tip transistors, and methods and circuits therefor |
CN104617097B (zh) * | 2013-11-05 | 2017-12-05 | 上海华虹宏力半导体制造有限公司 | 掩模型只读存储器及其制造方法 |
CN105990242A (zh) * | 2015-01-29 | 2016-10-05 | 无锡华润上华半导体有限公司 | 平板型rom器件的制备方法 |
WO2019040950A1 (en) * | 2017-08-25 | 2019-02-28 | Trustees Of Dartmouth College | SINGLE MASK SIDE DOPING PROFILES |
CN110620115B (zh) * | 2019-05-23 | 2022-03-18 | 上海华力集成电路制造有限公司 | 1.5t sonos闪存的制造方法 |
CN116404070B (zh) * | 2023-06-07 | 2024-02-02 | 天合光能股份有限公司 | 钝化接触结构及其制备方法、太阳能电池及其制备方法 |
Citations (5)
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JPS5419372A (en) * | 1977-07-14 | 1979-02-14 | Nec Corp | Production of semiconductor memory |
JPH05218451A (ja) * | 1992-01-30 | 1993-08-27 | Rohm Co Ltd | 不揮発性半導体記憶装置およびその製造方法 |
JPH10125808A (ja) * | 1996-10-17 | 1998-05-15 | Mitsubishi Electric Corp | 不揮発性半導体記憶装置およびその製造方法 |
WO2002080275A2 (de) * | 2001-03-02 | 2002-10-10 | Infineon Technologies Ag | Speicherzellenarrays und deren herstellungssverfahren |
WO2003071606A1 (fr) * | 2002-02-21 | 2003-08-28 | Matsushita Electric Industrial Co., Ltd. | Memoire a semi-conducteurs et son procede de fabrication |
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IT1223571B (it) * | 1987-12-21 | 1990-09-19 | Sgs Thomson Microelectronics | Procedimento per la fabbricazione di dispositivi integrati cmos con lunghezze di porta ridotte |
JP3222380B2 (ja) * | 1996-04-25 | 2001-10-29 | シャープ株式会社 | 電界効果トランジスタ、および、cmosトランジスタ |
US6238982B1 (en) * | 1999-04-13 | 2001-05-29 | Advanced Micro Devices | Multiple threshold voltage semiconductor device fabrication technology |
JP2000311992A (ja) | 1999-04-26 | 2000-11-07 | Toshiba Corp | 不揮発性半導体記憶装置およびその製造方法 |
KR100295685B1 (ko) * | 1999-05-10 | 2001-07-12 | 김영환 | 반도체 메모리 소자 및 그 제조방법 |
US6287917B1 (en) * | 1999-09-08 | 2001-09-11 | Advanced Micro Devices, Inc. | Process for fabricating an MNOS flash memory device |
US6486029B1 (en) * | 2000-03-16 | 2002-11-26 | Advanced Micro Devices, Inc. | Integration of an ion implant hard mask structure into a process for fabricating high density memory cells |
JP4510990B2 (ja) * | 2000-03-30 | 2010-07-28 | 株式会社カネカ | 塗料用組成物および水性塗料、その配合法 |
KR100386611B1 (ko) * | 2000-05-08 | 2003-06-02 | 주식회사 하이닉스반도체 | 플래쉬 메모리 셀의 어레이와 그를 이용한 데이터프로그램방법과 소거방법 |
US6868015B2 (en) * | 2000-09-20 | 2005-03-15 | Silicon Storage Technology, Inc. | Semiconductor memory array of floating gate memory cells with control gate spacer portions |
-
2002
- 2002-11-26 US US10/305,724 patent/US7049188B2/en not_active Expired - Lifetime
-
2003
- 2003-07-10 JP JP2004555270A patent/JP2006507682A/ja active Pending
- 2003-07-10 CN CNB038254077A patent/CN100414708C/zh not_active Expired - Lifetime
- 2003-07-10 KR KR1020057008789A patent/KR101037775B1/ko active IP Right Grant
- 2003-07-10 EP EP03811993A patent/EP1568081A1/en not_active Ceased
- 2003-07-10 AU AU2003253879A patent/AU2003253879A1/en not_active Abandoned
- 2003-07-10 WO PCT/US2003/021667 patent/WO2004049446A1/en active Application Filing
- 2003-08-22 TW TW092123106A patent/TW200409303A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419372A (en) * | 1977-07-14 | 1979-02-14 | Nec Corp | Production of semiconductor memory |
JPH05218451A (ja) * | 1992-01-30 | 1993-08-27 | Rohm Co Ltd | 不揮発性半導体記憶装置およびその製造方法 |
JPH10125808A (ja) * | 1996-10-17 | 1998-05-15 | Mitsubishi Electric Corp | 不揮発性半導体記憶装置およびその製造方法 |
WO2002080275A2 (de) * | 2001-03-02 | 2002-10-10 | Infineon Technologies Ag | Speicherzellenarrays und deren herstellungssverfahren |
WO2003071606A1 (fr) * | 2002-02-21 | 2003-08-28 | Matsushita Electric Industrial Co., Ltd. | Memoire a semi-conducteurs et son procede de fabrication |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013157511A (ja) * | 2012-01-31 | 2013-08-15 | Toshiba Corp | 記憶装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2004049446A1 (en) | 2004-06-10 |
CN100414708C (zh) | 2008-08-27 |
AU2003253879A1 (en) | 2004-06-18 |
EP1568081A1 (en) | 2005-08-31 |
KR20050085007A (ko) | 2005-08-29 |
KR101037775B1 (ko) | 2011-05-27 |
US20040102026A1 (en) | 2004-05-27 |
US7049188B2 (en) | 2006-05-23 |
CN1701444A (zh) | 2005-11-23 |
TW200409303A (en) | 2004-06-01 |
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