CN1447453A - 可调电容器及其制造方法 - Google Patents
可调电容器及其制造方法 Download PDFInfo
- Publication number
- CN1447453A CN1447453A CN03108232A CN03108232A CN1447453A CN 1447453 A CN1447453 A CN 1447453A CN 03108232 A CN03108232 A CN 03108232A CN 03108232 A CN03108232 A CN 03108232A CN 1447453 A CN1447453 A CN 1447453A
- Authority
- CN
- China
- Prior art keywords
- electrode
- movable electrode
- adjustable condenser
- dielectric layer
- fixed electrode
- 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
- 238000000034 method Methods 0.000 title claims description 37
- 239000003990 capacitor Substances 0.000 title abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 77
- 239000012190 activator Substances 0.000 claims description 89
- 230000004888 barrier function Effects 0.000 claims description 50
- 238000005530 etching Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 3
- 229910002113 barium titanate Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims description 2
- 229910017083 AlN Inorganic materials 0.000 claims description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- 239000010410 layer Substances 0.000 description 146
- 238000010586 diagram Methods 0.000 description 21
- 238000000354 decomposition reaction Methods 0.000 description 20
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 19
- 238000005516 engineering process Methods 0.000 description 16
- 230000004048 modification Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 8
- 238000001020 plasma etching Methods 0.000 description 8
- 229910052697 platinum Inorganic materials 0.000 description 8
- 238000003475 lamination Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 4
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 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
- 239000000460 chlorine Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910002115 bismuth titanate Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-AKLPVKDBSA-N silicon-31 atom Chemical compound [31Si] XUIMIQQOPSSXEZ-AKLPVKDBSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/16—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of distance between electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Micromachines (AREA)
Abstract
Description
Claims (37)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP084600/2002 | 2002-03-25 | ||
JP2002084600 | 2002-03-25 | ||
JP258559/2002 | 2002-09-04 | ||
JP2002258559A JP3712123B2 (ja) | 2002-03-25 | 2002-09-04 | 可変キャパシタ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1447453A true CN1447453A (zh) | 2003-10-08 |
CN100477313C CN100477313C (zh) | 2009-04-08 |
Family
ID=28043833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031082327A Expired - Fee Related CN100477313C (zh) | 2002-03-25 | 2003-03-25 | 可调电容器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6992878B2 (zh) |
JP (1) | JP3712123B2 (zh) |
KR (1) | KR100643108B1 (zh) |
CN (1) | CN100477313C (zh) |
DE (1) | DE10310342A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1815646B (zh) * | 2005-01-31 | 2010-05-26 | 富士通株式会社 | 可变电容器及制造可变电容器的方法 |
CN102782785A (zh) * | 2010-05-28 | 2012-11-14 | Lg伊诺特有限公司 | 可变电容器以及对其进行驱动的方法 |
CN103681676A (zh) * | 2012-08-29 | 2014-03-26 | 三星电子株式会社 | 包括用于电极的支撑件的半导体器件及其形成方法 |
CN104488049A (zh) * | 2012-07-24 | 2015-04-01 | 雷声公司 | 可开关电容器 |
CN108025907A (zh) * | 2015-07-15 | 2018-05-11 | 迪维科·迈克尔 | 可调谐电抗装置以及制造和使用该装置的方法 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6952041B2 (en) * | 2003-07-25 | 2005-10-04 | Robert Bosch Gmbh | Anchors for microelectromechanical systems having an SOI substrate, and method of fabricating same |
KR100563661B1 (ko) | 2003-12-18 | 2006-03-23 | 한국전자통신연구원 | 가변 고차 베셀 저역 통과 필터 |
FR2864951B1 (fr) * | 2004-01-14 | 2006-03-31 | Suisse Electronique Microtech | Dispositif de type microsysteme electromecanique a film mince piezoelectrique |
JP2005340536A (ja) * | 2004-05-27 | 2005-12-08 | Kyocera Corp | 可変容量コンデンサ |
DE112004002785B4 (de) | 2004-05-31 | 2014-03-13 | Fujitsu Ltd. | Variabler Kondensator und Herstellungsverfahren davon |
DE102004026654B4 (de) | 2004-06-01 | 2009-07-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mikromechanisches HF-Schaltelement sowie Verfahren zur Herstellung |
JP4842523B2 (ja) * | 2004-07-02 | 2011-12-21 | 日本碍子株式会社 | 配線基板 |
JP2006281418A (ja) | 2005-04-04 | 2006-10-19 | Toshiba Corp | アクチュエータ及びmems装置 |
US8238074B2 (en) * | 2005-05-02 | 2012-08-07 | Epcos Ag | Capacitive RF-MEMS device with integrated decoupling capacitor |
DE102005026203B4 (de) * | 2005-06-07 | 2007-08-09 | Siemens Ag | Kondensator mit veränderbarer Kapazität, Verfahren zum Herstellen des Kondensators und Verwendung des Kondensators |
JP2007005635A (ja) * | 2005-06-24 | 2007-01-11 | Toshiba Corp | 半導体装置 |
KR100723227B1 (ko) * | 2006-02-15 | 2007-05-29 | 삼성전기주식회사 | 가변 필름 커패시터 소자 |
JP2007273932A (ja) | 2006-03-06 | 2007-10-18 | Fujitsu Ltd | 可変キャパシタおよび可変キャパシタ製造方法 |
JP4373994B2 (ja) | 2006-05-31 | 2009-11-25 | 株式会社東芝 | 可変容量装置および携帯電話 |
JP5232378B2 (ja) * | 2006-10-31 | 2013-07-10 | 株式会社アドバンテスト | 可変容量素子、共振器および変調器 |
JP4611323B2 (ja) | 2007-01-26 | 2011-01-12 | 富士通株式会社 | 可変キャパシタ |
US9099248B2 (en) * | 2007-06-29 | 2015-08-04 | Corporation for National Research Iniatives | Variable capacitor tuned using laser micromachining |
JP5305735B2 (ja) * | 2008-05-26 | 2013-10-02 | 株式会社東芝 | 微小電気機械システム装置およびその製造方法 |
JP5440274B2 (ja) * | 2010-03-09 | 2014-03-12 | 富士通株式会社 | 可変容量デバイス |
US8760040B2 (en) * | 2011-04-01 | 2014-06-24 | Korea Institute Of Science And Technology | Polymer blend composition and tunable actuators using the same |
KR101241634B1 (ko) | 2011-11-24 | 2013-03-11 | 엘지이노텍 주식회사 | 커패시터 |
JP5862368B2 (ja) * | 2012-02-28 | 2016-02-16 | 株式会社村田製作所 | 圧電デバイスの製造方法 |
WO2013153566A1 (ja) * | 2012-04-09 | 2013-10-17 | パイオニア株式会社 | 静電アクチュエーター、可変容量コンデンサー、電気スイッチおよび静電アクチュエーターの駆動方法 |
US9162868B2 (en) | 2013-11-27 | 2015-10-20 | Infineon Technologies Ag | MEMS device |
DE102016123130B4 (de) * | 2016-11-30 | 2020-12-10 | Infineon Technologies Austria Ag | MEMS-Vorrichtung und Verfahren zum Herstellen einer MEMS-Vorrichtung |
CN107178538B (zh) * | 2017-06-07 | 2019-01-22 | 中国科学技术大学 | 一种导向带磨损量的电容式检测装置 |
US10497774B2 (en) | 2017-10-23 | 2019-12-03 | Blackberry Limited | Small-gap coplanar tunable capacitors and methods for manufacturing thereof |
US10332687B2 (en) | 2017-10-23 | 2019-06-25 | Blackberry Limited | Tunable coplanar capacitor with vertical tuning and lateral RF path and methods for manufacturing thereof |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60121713A (ja) | 1983-12-06 | 1985-06-29 | 株式会社村田製作所 | 可変容量コンデンサ |
US4675960A (en) | 1985-12-30 | 1987-06-30 | Motorola, Inc. | Method of manufacturing an electrically variable piezoelectric hybrid capacitor |
JP2513193B2 (ja) | 1986-10-15 | 1996-07-03 | 岩崎通信機株式会社 | 携帯電話方式 |
US5075600A (en) * | 1990-06-07 | 1991-12-24 | General Electric Company | Piezoelectrically actuated variable capacitor |
KR950011520B1 (ko) | 1992-03-20 | 1995-10-05 | 삼성전자주식회사 | 영상신호 교번 중첩 및 펼침회로 |
JPH06111971A (ja) | 1992-09-30 | 1994-04-22 | Toshiba Lighting & Technol Corp | 無電極放電ランプ点灯装置 |
JPH07335491A (ja) | 1994-06-06 | 1995-12-22 | Murata Mfg Co Ltd | 可変容量素子 |
JP3389769B2 (ja) * | 1995-02-01 | 2003-03-24 | 株式会社村田製作所 | 可変容量コンデンサ |
JPH08250779A (ja) | 1995-03-15 | 1996-09-27 | Canon Inc | マイクロ構造体、その製造方法及びそれを用いた静電アクチュエータ |
JP3409944B2 (ja) | 1995-05-26 | 2003-05-26 | 松下電器産業株式会社 | 強誘電体素子及びその製造方法 |
JPH09130199A (ja) | 1995-10-27 | 1997-05-16 | Mitsubishi Electric Corp | 圧電薄膜素子およびその製法 |
JPH10149951A (ja) | 1996-11-15 | 1998-06-02 | Murata Mfg Co Ltd | 可変容量コンデンサ |
US6034414A (en) | 1997-11-18 | 2000-03-07 | Industrial Technology Research Institute | Variable capacitor using resistor generated heat to control dielectric thickness |
JPH11243032A (ja) | 1998-02-25 | 1999-09-07 | Kyocera Corp | 薄膜コンデンサ |
US6242989B1 (en) | 1998-09-12 | 2001-06-05 | Agere Systems Guardian Corp. | Article comprising a multi-port variable capacitor |
US6347237B1 (en) * | 1999-03-16 | 2002-02-12 | Superconductor Technologies, Inc. | High temperature superconductor tunable filter |
GB2353410B (en) | 1999-08-18 | 2002-04-17 | Marconi Electronic Syst Ltd | Electrical switches |
DE10043758A1 (de) * | 1999-12-15 | 2001-07-05 | Fraunhofer Ges Forschung | Durchstimmbarer Hochfrequenzkondensator |
US6373682B1 (en) * | 1999-12-15 | 2002-04-16 | Mcnc | Electrostatically controlled variable capacitor |
US6376787B1 (en) * | 2000-08-24 | 2002-04-23 | Texas Instruments Incorporated | Microelectromechanical switch with fixed metal electrode/dielectric interface with a protective cap layer |
US6681063B1 (en) * | 2000-11-16 | 2004-01-20 | Computer Optics Inc | Low voltage micro-mirror array light beam switch |
-
2002
- 2002-09-04 JP JP2002258559A patent/JP3712123B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-10 DE DE2003110342 patent/DE10310342A1/de not_active Ceased
- 2003-03-21 US US10/392,855 patent/US6992878B2/en not_active Expired - Lifetime
- 2003-03-24 KR KR20030018150A patent/KR100643108B1/ko not_active IP Right Cessation
- 2003-03-25 CN CNB031082327A patent/CN100477313C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1815646B (zh) * | 2005-01-31 | 2010-05-26 | 富士通株式会社 | 可变电容器及制造可变电容器的方法 |
CN102782785A (zh) * | 2010-05-28 | 2012-11-14 | Lg伊诺特有限公司 | 可变电容器以及对其进行驱动的方法 |
CN102782785B (zh) * | 2010-05-28 | 2017-08-29 | Lg伊诺特有限公司 | 可变电容器以及对其进行驱动的方法 |
CN104488049A (zh) * | 2012-07-24 | 2015-04-01 | 雷声公司 | 可开关电容器 |
CN104488049B (zh) * | 2012-07-24 | 2018-01-05 | 雷声公司 | 可开关电容器 |
CN103681676A (zh) * | 2012-08-29 | 2014-03-26 | 三星电子株式会社 | 包括用于电极的支撑件的半导体器件及其形成方法 |
CN103681676B (zh) * | 2012-08-29 | 2018-01-19 | 三星电子株式会社 | 包括用于电极的支撑件的半导体器件及其形成方法 |
CN108025907A (zh) * | 2015-07-15 | 2018-05-11 | 迪维科·迈克尔 | 可调谐电抗装置以及制造和使用该装置的方法 |
Also Published As
Publication number | Publication date |
---|---|
US20030179535A1 (en) | 2003-09-25 |
DE10310342A1 (de) | 2003-11-13 |
JP3712123B2 (ja) | 2005-11-02 |
US6992878B2 (en) | 2006-01-31 |
KR100643108B1 (ko) | 2006-11-10 |
CN100477313C (zh) | 2009-04-08 |
KR20030077405A (ko) | 2003-10-01 |
JP2004006588A (ja) | 2004-01-08 |
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