JP4292067B2 - フラッシュメモリ素子の製造方法 - Google Patents
フラッシュメモリ素子の製造方法 Download PDFInfo
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- JP4292067B2 JP4292067B2 JP2003413087A JP2003413087A JP4292067B2 JP 4292067 B2 JP4292067 B2 JP 4292067B2 JP 2003413087 A JP2003413087 A JP 2003413087A JP 2003413087 A JP2003413087 A JP 2003413087A JP 4292067 B2 JP4292067 B2 JP 4292067B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title description 32
- 238000000137 annealing Methods 0.000 claims description 26
- 238000005468 ion implantation Methods 0.000 claims description 23
- 150000002500 ions Chemical class 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 16
- 239000002019 doping agent Substances 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 6
- -1 fluorine ions Chemical class 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 18
- 229920005591 polysilicon Polymers 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 6
- 229910021342 tungsten silicide Inorganic materials 0.000 description 6
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 5
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 238000010943 off-gassing Methods 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000009279 wet oxidation reaction Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 230000001052 transient effect Effects 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
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- 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
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- H—ELECTRICITY
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- 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
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
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- 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
- H01L21/2658—Bombardment with radiation with high-energy radiation producing ion implantation of a molecular ion, e.g. decaborane
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
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- 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
- H01L29/105—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 vertical doping variation
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/401—Multistep manufacturing processes
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
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- 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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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/68—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
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
- H01L29/7881—Programmable transistors with only two possible levels of programmation
- H01L29/7883—Programmable transistors with only two possible levels of programmation charging by tunnelling of carriers, e.g. Fowler-Nordheim tunnelling
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Ceramic Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Description
12 …イオン層
16 …トンネル酸化膜
18 …第1ポリシリコン膜
20 …素子分離膜
22 …第2ポリシリコン膜
24 …フローティングゲート電極
26 …誘電体膜
28 …第3ポリシリコン膜
30 …タングステンシリサイド膜
32 …コントロールゲート電極
34 …ジャンクション領域
Claims (3)
- 半導体基板にしきい値電圧調節のためにイオン注入工程でBF 2 を注入する段階と、
イオン注入されたドーパントのドーピング濃度及び形状を制御するためにフッ素イオンとホウ素イオンがアウトガッシングされるようにスパイクアニーリングを行う段階と、
前記半導体基板上に活性領域とフィールド領域の間の分離のための素子分離膜を形成する段階と、
前記活性領域上にトンネル酸化膜、フローティングゲート電極、誘電体膜及びコントロールゲート電極が積層された形のゲート電極を形成する段階と、
前記ゲート電極の両側の前記半導体基板にジャンクション形成のためのイオン注入を行ってダブルドープドドレイン構造のジャンクションを形成する段階とを含むフラッシュメモリ素子の製造方法。 - 前記しきい値電圧調節のためのイオン注入は、前記BF 2 を用いて5〜50KeVのイオン注入エネルギーと1x1011〜1x1013ion/cm2のドーズで注入することを特徴とする請求項1記載のフラッシュメモリ素子の製造方法。
- 前記スパイクアニーリングはNH3、H2またはN2雰囲気中で温度900〜1100℃の範囲で行い、昇温速度は100〜250℃/secであることを特徴とする請求項1記載のフラッシュメモリ素子の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030036500A KR100554830B1 (ko) | 2003-06-05 | 2003-06-05 | 플래시 메모리 소자의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004363549A JP2004363549A (ja) | 2004-12-24 |
JP4292067B2 true JP4292067B2 (ja) | 2009-07-08 |
Family
ID=33487904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003413087A Expired - Lifetime JP4292067B2 (ja) | 2003-06-05 | 2003-12-11 | フラッシュメモリ素子の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6869848B2 (ja) |
JP (1) | JP4292067B2 (ja) |
KR (1) | KR100554830B1 (ja) |
TW (1) | TWI266388B (ja) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100587677B1 (ko) * | 2004-03-18 | 2006-06-08 | 삼성전자주식회사 | 전계효과 트랜지스터 구조 및 그의 제조방법 |
US7553729B2 (en) * | 2006-05-26 | 2009-06-30 | Hynix Semiconductor Inc. | Method of manufacturing non-volatile memory device |
KR100799020B1 (ko) * | 2006-06-30 | 2008-01-28 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 제조방법 |
KR100810411B1 (ko) | 2006-09-21 | 2008-03-04 | 주식회사 하이닉스반도체 | 반도체 소자의 소자 분리막 형성방법 |
US8643101B2 (en) | 2011-04-20 | 2014-02-04 | United Microelectronics Corp. | High voltage metal oxide semiconductor device having a multi-segment isolation structure |
US8581338B2 (en) | 2011-05-12 | 2013-11-12 | United Microelectronics Corp. | Lateral-diffused metal oxide semiconductor device (LDMOS) and fabrication method thereof |
US8501603B2 (en) | 2011-06-15 | 2013-08-06 | United Microelectronics Corp. | Method for fabricating high voltage transistor |
US8592905B2 (en) | 2011-06-26 | 2013-11-26 | United Microelectronics Corp. | High-voltage semiconductor device |
US20130043513A1 (en) | 2011-08-19 | 2013-02-21 | United Microelectronics Corporation | Shallow trench isolation structure and fabricating method thereof |
US8729599B2 (en) | 2011-08-22 | 2014-05-20 | United Microelectronics Corp. | Semiconductor device |
US8921937B2 (en) | 2011-08-24 | 2014-12-30 | United Microelectronics Corp. | High voltage metal-oxide-semiconductor transistor device and method of fabricating the same |
US8742498B2 (en) | 2011-11-03 | 2014-06-03 | United Microelectronics Corp. | High voltage semiconductor device and fabricating method thereof |
US8482063B2 (en) | 2011-11-18 | 2013-07-09 | United Microelectronics Corporation | High voltage semiconductor device |
US8587058B2 (en) | 2012-01-02 | 2013-11-19 | United Microelectronics Corp. | Lateral diffused metal-oxide-semiconductor device |
US8492835B1 (en) | 2012-01-20 | 2013-07-23 | United Microelectronics Corporation | High voltage MOSFET device |
US9093296B2 (en) | 2012-02-09 | 2015-07-28 | United Microelectronics Corp. | LDMOS transistor having trench structures extending to a buried layer |
TWI523196B (zh) | 2012-02-24 | 2016-02-21 | 聯華電子股份有限公司 | 高壓金氧半導體電晶體元件及其佈局圖案 |
US8890144B2 (en) | 2012-03-08 | 2014-11-18 | United Microelectronics Corp. | High voltage semiconductor device |
US9236471B2 (en) | 2012-04-24 | 2016-01-12 | United Microelectronics Corp. | Semiconductor structure and method for manufacturing the same |
US9159791B2 (en) | 2012-06-06 | 2015-10-13 | United Microelectronics Corp. | Semiconductor device comprising a conductive region |
US8836067B2 (en) | 2012-06-18 | 2014-09-16 | United Microelectronics Corp. | Transistor device and manufacturing method thereof |
US8674441B2 (en) | 2012-07-09 | 2014-03-18 | United Microelectronics Corp. | High voltage metal-oxide-semiconductor transistor device |
US8643104B1 (en) | 2012-08-14 | 2014-02-04 | United Microelectronics Corp. | Lateral diffusion metal oxide semiconductor transistor structure |
US8729631B2 (en) | 2012-08-28 | 2014-05-20 | United Microelectronics Corp. | MOS transistor |
US9196717B2 (en) | 2012-09-28 | 2015-11-24 | United Microelectronics Corp. | High voltage metal-oxide-semiconductor transistor device |
US8829611B2 (en) | 2012-09-28 | 2014-09-09 | United Microelectronics Corp. | High voltage metal-oxide-semiconductor transistor device |
US8704304B1 (en) | 2012-10-05 | 2014-04-22 | United Microelectronics Corp. | Semiconductor structure |
US20140110777A1 (en) | 2012-10-18 | 2014-04-24 | United Microelectronics Corp. | Trench gate metal oxide semiconductor field effect transistor and fabricating method thereof |
US9224857B2 (en) | 2012-11-12 | 2015-12-29 | United Microelectronics Corp. | Semiconductor structure and method for manufacturing the same |
US9035425B2 (en) | 2013-05-02 | 2015-05-19 | United Microelectronics Corp. | Semiconductor integrated circuit |
US8896057B1 (en) | 2013-05-14 | 2014-11-25 | United Microelectronics Corp. | Semiconductor structure and method for manufacturing the same |
US8786362B1 (en) | 2013-06-04 | 2014-07-22 | United Microelectronics Corporation | Schottky diode having current leakage protection structure and current leakage protecting method of the same |
US8941175B2 (en) | 2013-06-17 | 2015-01-27 | United Microelectronics Corp. | Power array with staggered arrangement for improving on-resistance and safe operating area |
US9136375B2 (en) | 2013-11-21 | 2015-09-15 | United Microelectronics Corp. | Semiconductor structure |
US9490360B2 (en) | 2014-02-19 | 2016-11-08 | United Microelectronics Corp. | Semiconductor device and operating method thereof |
CN109494224B (zh) * | 2017-09-08 | 2020-12-01 | 华邦电子股份有限公司 | 非挥发性存储器装置及其制造方法 |
TWI694447B (zh) * | 2019-08-23 | 2020-05-21 | 卡比科技有限公司 | 非揮發式記憶體 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6124608A (en) * | 1997-12-18 | 2000-09-26 | Advanced Micro Devices, Inc. | Non-volatile trench semiconductor device having a shallow drain region |
US6087222A (en) * | 1998-03-05 | 2000-07-11 | Taiwan Semiconductor Manufacturing Company | Method of manufacture of vertical split gate flash memory device |
JP2002141420A (ja) * | 2000-10-31 | 2002-05-17 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
-
2003
- 2003-06-05 KR KR1020030036500A patent/KR100554830B1/ko active IP Right Grant
- 2003-12-04 US US10/727,470 patent/US6869848B2/en not_active Expired - Lifetime
- 2003-12-11 JP JP2003413087A patent/JP4292067B2/ja not_active Expired - Lifetime
- 2003-12-26 TW TW092137145A patent/TWI266388B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2004363549A (ja) | 2004-12-24 |
TWI266388B (en) | 2006-11-11 |
US6869848B2 (en) | 2005-03-22 |
US20040248366A1 (en) | 2004-12-09 |
KR20040105194A (ko) | 2004-12-14 |
TW200428602A (en) | 2004-12-16 |
KR100554830B1 (ko) | 2006-02-22 |
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