KR100449121B1 - 전자 부품, 전자 부품의 제조 방법 및 회로 기판 - Google Patents
전자 부품, 전자 부품의 제조 방법 및 회로 기판 Download PDFInfo
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- KR100449121B1 KR100449121B1 KR10-2001-0028658A KR20010028658A KR100449121B1 KR 100449121 B1 KR100449121 B1 KR 100449121B1 KR 20010028658 A KR20010028658 A KR 20010028658A KR 100449121 B1 KR100449121 B1 KR 100449121B1
- Authority
- KR
- South Korea
- Prior art keywords
- tin
- layer
- nickel
- electronic component
- base member
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 102
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000013078 crystal Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229910052718 tin Inorganic materials 0.000 claims description 88
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 84
- 238000007747 plating Methods 0.000 claims description 58
- 229910052759 nickel Inorganic materials 0.000 claims description 40
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 238000005476 soldering Methods 0.000 description 5
- 229910001128 Sn alloy Inorganic materials 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000002815 nickel Chemical group 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- FAKFSJNVVCGEEI-UHFFFAOYSA-J tin(4+);disulfate Chemical compound [Sn+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O FAKFSJNVVCGEEI-UHFFFAOYSA-J 0.000 description 2
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000008710 crystal-8 Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910001432 tin ion Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/901—Printed circuit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
- Y10T428/12722—Next to Group VIII metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12944—Ni-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24917—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including metal layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Ceramic Capacitors (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Abstract
Description
온도 주기 위스커 밀도(위스커 수/ ㎟) | |
실 시 예 | 0 |
비 교 예 | 1,000 |
Claims (20)
- 베이스 부재 및 상기 베이스 부재에 복수개의 층으로 형성되는 외부 전극을 포함하는 전자 부품으로서,상기 베이스 부재에 대한 외부 전극의 최외층은 주석 결정 입계를 포함하는 다결정 구조를 가지는 주석을 포함하고;상기 주석 결정 입계에는 주석 이외의 금속 원자를 가지고, 그리고 주석 이외의 금속이 니켈을 포함하는 것을 특징으로 하는 전자 부품.
- 삭제
- 제 2항에 있어서, 상기 외부 전극은 상기 주석층에 인접한 니켈 혹은 니켈 합금을 포함하는 층을 가지는 것을 특징으로 하는 전자 부품.
- 제 3항에 있어서, 상기 외부 전극은 상기 베이스 부재에 형성된 후막 전극, 상기 후막 전극에 형성된 니켈 함유층 및;상기 니켈 함유층에 형성된 주석 도금층을 포함하는 것을 특징으로 하는 전자 부품.
- 제 4항에 있어서, 상기 주석층의 두께가 약 2∼10㎛이고 주석 이외의 금속이 상기 주석층의 0.001∼1중량%인 것을 특징으로 하는 전자 부품.
- 제 1항에 있어서, 상기 외부 전극은 주석층에 인접한 니켈 혹은 니켈 합금층을 포함하는 것을 특징으로 하는 전자 부품.
- 제 6항에 있어서, 상기 외부 전극은 상기 베이스 부재에 형성된 후막 전극, 상기 후막 전극에 형성된 니켈 함유층 및 상기 니켈 함유층에 형성된 주석 도금층을 포함하는 것을 특징으로 하는 전자 부품.
- 제 7항에 있어서, 상기 주석층은 약 2∼10㎛의 두께를 가지고, 주석 이외의 금속이 상기 주석층의 0.001∼1중량%인 것을 특징으로 하는 전자 부품.
- 제 1항에 있어서, 상기 외부 전극은 상기 베이스 부재에 형성된 후막 전극, 상기 후막 전극에 형성된 니켈 함유층 및 상기 니켈 함유층에 형성된 주석 도금층을 포함하는 것을 특징으로 하는 전자 부품.
- 제 1항에 있어서, 상기 주석층은 약 2∼10㎛의 두께를 가지고, 주석 이외의 금속이 상기 주석층의 0.001∼1중량%인 것을 특징으로 하는 전자 부품.
- 제 9항에 기재된 적어도 2개의 전자 부품이 실장되는 회로 기판으로서, 상기 2개의 전자 부품들 사이의 거리가 200㎛ 이하인 것을 특징으로 하는 회로기판.
- 제 6항에 기재된 적어도 2개의 전자 부품이 실장되는 회로 기판으로서, 상기 2개의 전자 부품들 사이의 거리가 200㎛ 이하인 것을 특징으로 하는 회로기판.
- 제 4항에 기재된 적어도 2개의 전자 부품이 실장되는 회로 기판으로서, 상기 2개의 전자 부품들 사이의 거리가 200㎛ 이하인 것을 특징으로 하는 회로기판.
- 제 3항에 기재된 적어도 2개의 전자 부품이 실장되는 회로 기판으로서, 상기 2개의 전자 부품들 사이의 거리가 200㎛ 이하인 것을 특징으로 하는 회로기판.
- 제 2항에 기재된 적어도 2개의 전자 부품이 실장되는 회로 기판으로서, 상기 2개의 전자 부품들 사이의 거리가 200㎛ 이하인 것을 특징으로 하는 회로기판.
- 제 1항에 기재된 적어도 2개의 전자 부품이 실장되는 회로 기판으로서, 상기 2개의 전자 부품들 사이의 거리가 200㎛ 이하인 것을 특징으로 하는 회로기판.
- 베이스 부재에 적어도 1개의 외부 전극이 복수개의 층으로 형성되고, 상기 외부 전극은 상기 베이스 부재에 대한 최외층이 결정 입계를 포함한 다결정 구조를 가진 주석 도금층인 전자 부품의 제조 방법으로서,주석 이외의 금속이 존재하는 주석층을 확산 열처리하여, 주석 이외의 금속을 주석 결정 입계로 확산시키고, 그리고상기 주석 이외의 금속이 니켈로 형성되는 것을 특징으로 하는 전자 부품의 제조 방법.
- 삭제
- 제 18항에 있어서, 상기 외부 전극이 니켈이나 니켈 합금을 주석 도금층에 인접하도록 하는 것을 특징으로 하는 제조 방법.
- 제 19항에 있어서, 상기 외부 전극이 상기 베이스 부재에 배열된 후막 전극을 형성하는 것을 특징으로 하는 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-153629 | 2000-05-24 | ||
JP2000153629A JP3475910B2 (ja) | 2000-05-24 | 2000-05-24 | 電子部品、電子部品の製造方法および回路基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010107723A KR20010107723A (ko) | 2001-12-07 |
KR100449121B1 true KR100449121B1 (ko) | 2004-09-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2001-0028658A KR100449121B1 (ko) | 2000-05-24 | 2001-05-24 | 전자 부품, 전자 부품의 제조 방법 및 회로 기판 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6773827B2 (ko) |
JP (1) | JP3475910B2 (ko) |
KR (1) | KR100449121B1 (ko) |
CN (1) | CN1335418A (ko) |
DE (1) | DE10125323A1 (ko) |
TW (1) | TW587017B (ko) |
Families Citing this family (53)
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JP2002164257A (ja) * | 2000-11-24 | 2002-06-07 | Tdk Corp | 積層セラミック電子部品 |
US7152291B2 (en) | 2002-04-15 | 2006-12-26 | Avx Corporation | Method for forming plated terminations |
US7345868B2 (en) | 2002-10-07 | 2008-03-18 | Presidio Components, Inc. | Multilayer ceramic capacitor with terminal formed by electroless plating |
US20060099443A1 (en) * | 2003-01-16 | 2006-05-11 | Kunio Nakashima | Metal plating coating film having sliding function and article coated therewith |
US7173510B2 (en) * | 2003-07-28 | 2007-02-06 | Matsushita Electric Industrial Co., Ltd. | Thermal fuse and method of manufacturing fuse |
JP4422464B2 (ja) * | 2003-11-12 | 2010-02-24 | 北陸電気工業株式会社 | コネクタチップ及びその製造方法 |
US20050249969A1 (en) * | 2004-05-04 | 2005-11-10 | Enthone Inc. | Preserving solderability and inhibiting whisker growth in tin surfaces of electronic components |
US20050249968A1 (en) * | 2004-05-04 | 2005-11-10 | Enthone Inc. | Whisker inhibition in tin surfaces of electronic components |
JP2006245049A (ja) * | 2005-02-28 | 2006-09-14 | Tdk Corp | 電子部品及び電子機器 |
JP5059292B2 (ja) * | 2005-03-08 | 2012-10-24 | 株式会社神戸製鋼所 | ウイスカー発生抑制に優れたSn合金めっき |
US7669913B2 (en) * | 2005-03-18 | 2010-03-02 | Dasilva Eliseo | Protective cover for a motor vehicle |
JP4720481B2 (ja) * | 2005-04-21 | 2011-07-13 | 株式会社デンソー | 電子装置の製造方法 |
CN101203627B (zh) * | 2005-06-17 | 2010-09-08 | 富士通株式会社 | 形成有以锡作为主成分的被膜的构件、被膜形成方法以及锡焊处理方法 |
JP3861927B1 (ja) * | 2005-07-07 | 2006-12-27 | 株式会社村田製作所 | 電子部品、電子部品の実装構造および電子部品の製造方法 |
JP4844045B2 (ja) * | 2005-08-18 | 2011-12-21 | Tdk株式会社 | 電子部品及びその製造方法 |
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- 2001-05-22 US US09/863,045 patent/US6773827B2/en not_active Expired - Lifetime
- 2001-05-23 DE DE10125323A patent/DE10125323A1/de not_active Withdrawn
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KR20010107723A (ko) | 2001-12-07 |
CN1335418A (zh) | 2002-02-13 |
TW587017B (en) | 2004-05-11 |
JP2001335987A (ja) | 2001-12-07 |
US20020001712A1 (en) | 2002-01-03 |
JP3475910B2 (ja) | 2003-12-10 |
DE10125323A1 (de) | 2001-12-13 |
US6773827B2 (en) | 2004-08-10 |
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