DE69427441D1 - Kopfanordnung für eine Platteneinheit - Google Patents
Kopfanordnung für eine PlatteneinheitInfo
- Publication number
- DE69427441D1 DE69427441D1 DE69427441T DE69427441T DE69427441D1 DE 69427441 D1 DE69427441 D1 DE 69427441D1 DE 69427441 T DE69427441 T DE 69427441T DE 69427441 T DE69427441 T DE 69427441T DE 69427441 D1 DE69427441 D1 DE 69427441D1
- Authority
- DE
- Germany
- Prior art keywords
- head assembly
- disk unit
- disk
- unit
- head
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
- G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/102,031 US5418667A (en) | 1993-08-03 | 1993-08-03 | Slider with transverse ridge sections supporting air-bearing pads and disk drive incorporating the slider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69427441D1 true DE69427441D1 (de) | 2001-07-19 |
| DE69427441T2 DE69427441T2 (de) | 2001-11-08 |
Family
ID=22287744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69427441T Expired - Fee Related DE69427441T2 (de) | 1993-08-03 | 1994-07-05 | Kopfanordnung für eine Platteneinheit |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US5418667A (de) |
| EP (1) | EP0642130B1 (de) |
| JP (1) | JPH07147070A (de) |
| KR (1) | KR0145029B1 (de) |
| CN (1) | CN1077707C (de) |
| DE (1) | DE69427441T2 (de) |
| MY (1) | MY111652A (de) |
| SG (1) | SG44355A1 (de) |
| TW (1) | TW279970B (de) |
Families Citing this family (85)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5418667A (en) * | 1993-08-03 | 1995-05-23 | International Business Machines Corporation | Slider with transverse ridge sections supporting air-bearing pads and disk drive incorporating the slider |
| US5859748A (en) | 1993-12-22 | 1999-01-12 | Kabushiki Kaisha Toshiba | Magnetic head device including an improved slider shape |
| US5841608A (en) * | 1994-08-30 | 1998-11-24 | Fujitsu Limited | Head slider with projections arranged on rails thereof |
| CN1131322A (zh) * | 1994-10-20 | 1996-09-18 | 株式会社日立制作所 | 磁性存储装置 |
| JP2624206B2 (ja) * | 1994-12-26 | 1997-06-25 | 日本電気株式会社 | 磁気ディスク装置 |
| JP3139323B2 (ja) * | 1995-04-07 | 2001-02-26 | 株式会社日立製作所 | 磁気ディスク装置及びスライダ |
| JPH08279265A (ja) * | 1995-04-07 | 1996-10-22 | Fujitsu Ltd | 磁気ヘッドスライダ |
| US6760193B1 (en) * | 1995-04-07 | 2004-07-06 | Hitachi Global Storage Technologies Japan, Ltd. | Magnetic head gimbal assembly and magnetic disk unit |
| JP3666513B2 (ja) * | 1995-04-25 | 2005-06-29 | ソニー株式会社 | 受信装置、信号復調方法、アンテナ装置、受信システム、およびアンテナ方向調整方法 |
| US5898540A (en) * | 1995-05-25 | 1999-04-27 | Hitachi, Ltd | Magnetic head and slider configuration for contact recording having a plurality of tapered surfaces |
| JP3438006B2 (ja) * | 1995-05-29 | 2003-08-18 | ミネベア株式会社 | 浮動型磁気ヘッドとその製法 |
| US5949600A (en) * | 1995-09-06 | 1999-09-07 | Kabushiki Kaisha Toshiba | Signal reproduction method and magnetic recording and reproducing apparatus using tunnel current |
| KR100244860B1 (ko) * | 1995-09-29 | 2000-02-15 | 니시무로 타이죠 | 헤드 슬라이더 및 기록 재생 장치 |
| US5729399A (en) * | 1995-12-13 | 1998-03-17 | International Business Machines Corporation | Contact start/stop disk drive with minimized head-disk wear in textured landing zone |
| US5825587A (en) * | 1996-03-01 | 1998-10-20 | International Business Machines Corporation | Shallow etch air bearing surface features for optimized transducer spacing |
| JP2856151B2 (ja) * | 1996-06-18 | 1999-02-10 | 日本電気株式会社 | 接触式磁気ディスク装置 |
| JP3689986B2 (ja) * | 1996-06-28 | 2005-08-31 | ソニー株式会社 | デジタル衛星放送受信機及びそのアンテナレベル表示方法 |
| US5777825A (en) * | 1996-09-04 | 1998-07-07 | International Business Machines Corporation | Negative pressure step pad air bearing design and method for making the same |
| JP2848354B2 (ja) * | 1996-09-13 | 1999-01-20 | 日本電気株式会社 | 磁気ヘッドスライダおよび磁気ディスク装置 |
| US6021020A (en) * | 1996-10-28 | 2000-02-01 | Kabushiki Kaisha Toshiba | Head slider and read/write apparatus using same |
| KR20000070081A (ko) * | 1997-01-15 | 2000-11-25 | 토마스 에프.멀베니 | 테이퍼 되지 않고 크라운 없는 공기 베어링 구조 |
| US5861667A (en) * | 1997-03-11 | 1999-01-19 | Texas Instruments Incorporated | Single end in out arrangement |
| US5831792A (en) * | 1997-04-11 | 1998-11-03 | Western Digital Corporation | Slider having a debris barrier surrounding a transducer |
| US5870251A (en) * | 1997-04-14 | 1999-02-09 | Seagate Technology, Inc. | Taperless/crown free/air bearing design |
| US6004472A (en) * | 1997-05-14 | 1999-12-21 | International Business Machines Corporation | Dual etch step process for making a three etch depth air bearing slider |
| US6055128A (en) * | 1997-05-14 | 2000-04-25 | International Business Machines Corporation | Dual etch step pad air bearing design with three etch depths |
| FR2763418B1 (fr) * | 1997-05-15 | 1999-08-06 | Silmag Sa | Patin de vol a surface reduite |
| US5870362A (en) * | 1997-06-20 | 1999-02-09 | Seagate Technology, Inc. | Slider for optical disc data storage system |
| GB2342764B (en) | 1997-06-27 | 2002-02-27 | Seagate Technology | Slider for disc storage system |
| US6377422B1 (en) | 1997-07-08 | 2002-04-23 | Seagate Technology Llc | Disc head with contact protection feature |
| DE19782290T1 (de) | 1997-07-23 | 2000-07-06 | Seagate Technology | Otisches Positivdruck-Gleitstück mit seitlichen Polstern am hinteren Ende |
| JP4392986B2 (ja) * | 1997-08-15 | 2010-01-06 | シーゲイト テクノロジー エルエルシー | ディスク記憶システム |
| KR19990020364A (ko) * | 1997-08-30 | 1999-03-25 | 윤종용 | 흡착방지를 위한 구조의 슬라이더 |
| JPH1186483A (ja) | 1997-09-04 | 1999-03-30 | Fujitsu Ltd | ヘッドスライダ及びディスク装置 |
| US6229671B1 (en) | 1997-09-22 | 2001-05-08 | Seagate Technology Llc | Shock pads for a slider for a data storage system |
| US6069769A (en) * | 1997-09-30 | 2000-05-30 | International Business Machines Corporation | Air bearing slider having rounded corners |
| US6624977B1 (en) * | 1997-10-07 | 2003-09-23 | Seagate Technology Llc | Data storage system with slider having variable hardness pad |
| US6487043B1 (en) | 1997-12-04 | 2002-11-26 | Seagate Technology Llc | Cross texture head disc interface |
| US6535352B2 (en) | 1997-12-15 | 2003-03-18 | Seagate Technology Llc | Head media interface for stiction control |
| US6003364A (en) * | 1998-03-19 | 1999-12-21 | Seagate Technology, Inc. | Glide head for testing a disc surface |
| US6373658B2 (en) * | 1998-03-19 | 2002-04-16 | Seagate Technology Llc | Optimum location for slider landing pads |
| US5995324A (en) | 1998-05-21 | 1999-11-30 | Maxtor Corporation | Pseudo-contact slider with recessed magneto-resistive transducer |
| US6381090B1 (en) * | 1998-05-21 | 2002-04-30 | Komag, Incorporated | Hard disk drive head-media system having reduced stiction and low fly height |
| US6683754B2 (en) | 1998-05-21 | 2004-01-27 | Komag, Inc. | Hard disk drive head-media system having reduced stiction and low fly height |
| JP2000030389A (ja) * | 1998-07-08 | 2000-01-28 | Fujitsu Ltd | ヘッドスライダ及びディスク装置 |
| US6603639B1 (en) | 1998-07-21 | 2003-08-05 | Seagate Technology Llc | Slider for disc storage system |
| JP2000067430A (ja) * | 1998-08-19 | 2000-03-03 | Fujitsu Ltd | 磁気ディスク装置 |
| US6542334B2 (en) | 1998-11-18 | 2003-04-01 | Seagate Technology Llc | Edge structure for slider-disc interface and method of manufacture therefor |
| US6459547B1 (en) | 1998-12-09 | 2002-10-01 | Seagate Technology Llc | Slider with pads and textured landing zone for disc storage system |
| US6611400B1 (en) | 1999-01-22 | 2003-08-26 | Seagate Technology Llc | Texture structure for optimizing head disc interface |
| US6483668B2 (en) | 1999-01-22 | 2002-11-19 | Seagate Technology Llc | Edge contact protection feature for a disc drive head |
| US6538849B1 (en) | 1999-02-11 | 2003-03-25 | Seagate Technology Llc | Diamond-pattern directed tipping slip magnetic head |
| US6304418B1 (en) | 1999-02-11 | 2001-10-16 | Seagate Technology Llc | Enhanced durability ultra-low-flying-height sliders |
| US6421205B1 (en) | 1999-02-23 | 2002-07-16 | International Business Machines Corporation | Recessed slider trailing edge for reducing stiction |
| US6433966B1 (en) | 1999-07-15 | 2002-08-13 | Seagate Technology Llc | Active rear posts improved stiction flyability slider integrated pads |
| US6558771B1 (en) | 1999-08-27 | 2003-05-06 | Seagate Technology Llc | Textured magnetic media for use with low-flying padded heads |
| US6710964B1 (en) | 1999-10-12 | 2004-03-23 | Seagate Technology Llc | Ramp load disc drive having a padded slider |
| US6654205B1 (en) | 1999-11-01 | 2003-11-25 | Maxtor Corporation | Air bearing surface for reducing pressure gradients |
| JP3825214B2 (ja) | 1999-11-24 | 2006-09-27 | 富士通株式会社 | 浮上ヘッドスライダ |
| US6536265B1 (en) | 1999-12-02 | 2003-03-25 | Seagate Technology Llc | Micro-textured glide sliders for super-smooth media |
| JP3808681B2 (ja) * | 2000-01-12 | 2006-08-16 | 富士通株式会社 | ディスク装置及び負圧ヘッドスライダ |
| US6510027B1 (en) | 2000-02-11 | 2003-01-21 | Seagate Technology Llc | Disc head slider having highly damped bearing with multiple pressure gradiant-generating pads |
| US6882504B2 (en) * | 2000-06-20 | 2005-04-19 | Seagate Technology Llc | Micro textured slider with predicted tipped position |
| US6654206B2 (en) | 2000-07-13 | 2003-11-25 | Seagate Technology Llc | Disc head slider with intermittent contact protection feature |
| JP2002100015A (ja) * | 2000-09-26 | 2002-04-05 | Hitachi Ltd | 磁気ヘッドスライダ及びヘッド・ジンバル・アセンブリの製造方法並びに製造装置 |
| US6714382B1 (en) * | 2000-10-13 | 2004-03-30 | Hitachi Global Storage Technologies | Self-limiting wear contact pad slider and method for making the same |
| WO2002033698A1 (en) | 2000-10-13 | 2002-04-25 | Seagate Technology Llc | Disc drive slider having textured pads |
| US6501621B1 (en) | 2000-11-22 | 2002-12-31 | Matsushita Kotobuki Electronics Peripherals Of America, Inc. | Air bearing slider having improved take-off velocity |
| US6646831B1 (en) | 2000-11-22 | 2003-11-11 | Matsushita Kotobuki Electronics Peripherals Of America, Inc. | Air bearing slider having optimized etch depth ratio |
| US6680821B2 (en) | 2001-04-18 | 2004-01-20 | Hitachi Global Storage Technologies, The Netherlands B.V. | Slider air bearing surface having improved fly height profile characteristics |
| JP3962241B2 (ja) * | 2001-11-12 | 2007-08-22 | 株式会社日立グローバルストレージテクノロジーズ | 平滑面磁気ディスク対応ヘッドスライダ、ヘッドスライダアッセンブリ、および磁気ディスク装置、ならびに磁気ディスクの検査・製造方法、および磁気ディスク装置の組み立て方法 |
| US6937439B1 (en) * | 2001-11-30 | 2005-08-30 | Western Digital Technologies, Inc. | Slider having a textured air bearing surface, head stack assembly and disk drive using same |
| US6674611B2 (en) | 2002-01-04 | 2004-01-06 | Hitachi Global Storage Technologies, The Netherlands B.V. | Air bearing design producing steeper ramp profile near the laser texture zone |
| KR100442871B1 (ko) * | 2002-02-14 | 2004-08-02 | 삼성전자주식회사 | 헤드 조립체 및 이를 채용한 드라이브 시스템 |
| JP2003296908A (ja) * | 2002-04-03 | 2003-10-17 | Sony Corp | 浮上型ヘッドスライダおよび情報記録再生装置 |
| JP4020689B2 (ja) * | 2002-05-01 | 2007-12-12 | アルプス電気株式会社 | 磁気ヘッドとこれを備えた磁気記録装置 |
| US6989965B2 (en) * | 2002-11-07 | 2006-01-24 | Seagate Technology Llc | Head slider having tilted protrusions for ramp load-unload applications |
| US7352532B2 (en) * | 2005-02-01 | 2008-04-01 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for utilizing a small pad to increase a head to a disk interface reliability for a load/unload drive |
| US20060262451A1 (en) * | 2005-05-18 | 2006-11-23 | Samsung Electronics Co., Ltd. | Hard-disk drive design for contact recording applications |
| US11193385B2 (en) | 2016-04-18 | 2021-12-07 | General Electric Company | Gas bearing seal |
| US10001166B2 (en) | 2016-04-18 | 2018-06-19 | General Electric Company | Gas distribution labyrinth for bearing pad |
| US10036279B2 (en) | 2016-04-18 | 2018-07-31 | General Electric Company | Thrust bearing |
| US9951811B2 (en) * | 2016-04-18 | 2018-04-24 | General Electric Company | Bearing |
| US10066505B2 (en) | 2016-04-18 | 2018-09-04 | General Electric Company | Fluid-filled damper for gas bearing assembly |
| US10914195B2 (en) | 2016-04-18 | 2021-02-09 | General Electric Company | Rotary machine with gas bearings |
Family Cites Families (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2969435A (en) * | 1955-02-07 | 1961-01-24 | Ibm | Oil film spacer for magnetic recording device |
| US3060431A (en) * | 1956-02-08 | 1962-10-23 | Lab For Electronics Inc | Magnetic data storage techniques |
| US3005675A (en) * | 1956-02-08 | 1961-10-24 | Lab For Electronics Inc | Fluid bearing control for a magnetic head |
| US3528067A (en) * | 1967-05-12 | 1970-09-08 | Singer General Precision | Transducer assembly with tandem bearing pads |
| GB1300297A (en) * | 1970-10-01 | 1972-12-20 | Int Computers Ltd | Improvements in or relating to magnetic transducing head assemblies |
| JPS5037410A (de) * | 1973-08-06 | 1975-04-08 | ||
| JPS5229111A (en) * | 1975-08-30 | 1977-03-04 | Matsushita Electric Ind Co Ltd | Vertical deflection unit |
| JPS52154615A (en) * | 1976-06-18 | 1977-12-22 | Fujitsu Ltd | Slider of floating type magnetic head |
| JPS5329111A (en) * | 1976-08-30 | 1978-03-18 | Mitsubishi Electric Corp | Floating head device |
| JPS5395010A (en) * | 1977-01-31 | 1978-08-19 | Mitsubishi Electric Corp | Floating magnetic head apparatus |
| JPS52104117A (en) * | 1977-03-07 | 1977-09-01 | Matsushita Electric Ind Co Ltd | Float type magnetic head |
| US4167765A (en) * | 1978-07-27 | 1979-09-11 | International Business Machines Corporation | Transducer suspension mount apparatus |
| JPS5782250A (en) * | 1980-11-10 | 1982-05-22 | Hitachi Metals Ltd | Magnetic head |
| US4633351A (en) * | 1983-08-02 | 1986-12-30 | Harris Graphics Corporation | Method and apparatus for hydrodynamic magnetic recording |
| JPS60202538A (ja) * | 1984-03-26 | 1985-10-14 | Nec Corp | 磁気デイスク |
| JPS6148182A (ja) * | 1984-08-10 | 1986-03-08 | Fujitsu Ltd | 浮動形磁気ヘツド |
| AU5095185A (en) * | 1984-11-13 | 1986-06-03 | Memorex Corp. | Slider with anti-striction boss |
| JPS61962A (ja) * | 1985-06-12 | 1986-01-06 | Hitachi Ltd | 浮動形磁気ヘツドのスライダ |
| JP2557827B2 (ja) * | 1985-07-19 | 1996-11-27 | 株式会社東芝 | 磁気デイスク装置 |
| EP0218811B1 (de) * | 1985-07-19 | 1991-05-29 | Kabushiki Kaisha Toshiba | Gleitstückzusammenbau für magnetische Köpfe |
| US4644641A (en) * | 1985-12-30 | 1987-02-24 | Memorex Corporation | Fabrication of "Delta" magnetic head-sliders |
| GB2229852B (en) * | 1986-01-21 | 1991-01-23 | Raymond Engineering | Magnetic disc memory unit |
| JPS62189685A (ja) * | 1986-02-17 | 1987-08-19 | Nec Corp | 負圧浮動ヘツドスライダ |
| US4819091A (en) * | 1987-04-30 | 1989-04-04 | International Business Machines Corporation | High speed magnetic disk contact recording system |
| JPH0253272A (ja) * | 1988-07-13 | 1990-02-22 | Censtor Corp | アンチステイクシヨンデイスクメモリ装置 |
| JPH0250376A (ja) * | 1988-08-11 | 1990-02-20 | Fujitsu Ltd | 磁気ディスク装置 |
| US5097368A (en) * | 1988-10-17 | 1992-03-17 | Conner Peripherals, Inc. | Information recording apparatus with a non-Newtonian liquid bearing |
| US5193046A (en) * | 1988-10-17 | 1993-03-09 | Conner Peripherals, Nc. | Information recording apparatus with a liquid bearing |
| JP2796852B2 (ja) * | 1988-10-31 | 1998-09-10 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 磁気記憶装置及び方法 |
| JPH02120305A (ja) * | 1988-10-31 | 1990-05-08 | Showa Denko Kk | 硬化性組成物 |
| EP0384762B1 (de) * | 1989-02-24 | 1995-04-26 | Conner Peripherals, Inc. | Nasses Festplatten-Laufwerk mit einem konischen Spindellager |
| US5097370A (en) * | 1989-03-17 | 1992-03-17 | Digital Equipment Corporation | Subambient pressure air bearing slider for disk drive |
| US5021906A (en) * | 1989-10-31 | 1991-06-04 | International Business Machines Corporation | Programmable air bearing slider including magnetic read/write element |
| JPH03241577A (ja) * | 1990-02-20 | 1991-10-28 | Toshiba Corp | 浮動ヘッドスライダ |
| JP2926135B2 (ja) * | 1990-11-19 | 1999-07-28 | 株式会社日立製作所 | 磁気ヘッド |
| US5175658A (en) * | 1990-12-27 | 1992-12-29 | International Buiness Machines Corporation | Thin film magnetic head having a protective coating and method for making same |
| JPH04298872A (ja) * | 1991-03-27 | 1992-10-22 | Fujitsu Ltd | 磁気ヘッド |
| JPH04341916A (ja) * | 1991-05-17 | 1992-11-27 | Matsushita Electric Ind Co Ltd | 浮動型磁気ヘッド |
| US5267109A (en) * | 1991-06-14 | 1993-11-30 | Seagate Technology, Inc. | Air bearing slider with relieved trailing edge |
| US5200867A (en) * | 1991-07-02 | 1993-04-06 | International Business Machines Corporation | Transducer carrier for disk file with liquid film head-disk interface |
| US5267104A (en) * | 1992-04-30 | 1993-11-30 | International Business Machines Corporation | Liquid-bearing data recording disk file with transducer carrier having rear ski pad at the head-disk interface |
| US5327310A (en) * | 1992-06-25 | 1994-07-05 | Read-Rite Corporation | Thin film contact recording head |
| US5418667A (en) * | 1993-08-03 | 1995-05-23 | International Business Machines Corporation | Slider with transverse ridge sections supporting air-bearing pads and disk drive incorporating the slider |
-
1993
- 1993-08-03 US US08/102,031 patent/US5418667A/en not_active Expired - Lifetime
-
1994
- 1994-06-01 CN CN94106216A patent/CN1077707C/zh not_active Expired - Fee Related
- 1994-06-02 TW TW083105049A patent/TW279970B/zh active
- 1994-07-01 MY MYPI94001725A patent/MY111652A/en unknown
- 1994-07-01 KR KR1019940015738A patent/KR0145029B1/ko not_active IP Right Cessation
- 1994-07-05 SG SG1995002201A patent/SG44355A1/en unknown
- 1994-07-05 EP EP94304955A patent/EP0642130B1/de not_active Expired - Lifetime
- 1994-07-05 DE DE69427441T patent/DE69427441T2/de not_active Expired - Fee Related
- 1994-07-20 JP JP6167719A patent/JPH07147070A/ja active Pending
-
1995
- 1995-04-13 US US08/422,728 patent/US5499149A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0642130A3 (de) | 1995-07-12 |
| TW279970B (de) | 1996-07-01 |
| MY111652A (en) | 2000-10-31 |
| CN1099504A (zh) | 1995-03-01 |
| SG44355A1 (en) | 1997-12-19 |
| EP0642130A2 (de) | 1995-03-08 |
| JPH07147070A (ja) | 1995-06-06 |
| DE69427441T2 (de) | 2001-11-08 |
| US5418667A (en) | 1995-05-23 |
| EP0642130B1 (de) | 2001-06-13 |
| US5499149A (en) | 1996-03-12 |
| KR950006703A (ko) | 1995-03-21 |
| KR0145029B1 (ko) | 1998-07-15 |
| CN1077707C (zh) | 2002-01-09 |
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