CN1258074A - 磁头组件和盘驱动装置 - Google Patents
磁头组件和盘驱动装置 Download PDFInfo
- Publication number
- CN1258074A CN1258074A CN99117528A CN99117528A CN1258074A CN 1258074 A CN1258074 A CN 1258074A CN 99117528 A CN99117528 A CN 99117528A CN 99117528 A CN99117528 A CN 99117528A CN 1258074 A CN1258074 A CN 1258074A
- Authority
- CN
- China
- Prior art keywords
- head
- slider
- suspension
- gimbal
- load
- 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
- 239000000725 suspension Substances 0.000 claims abstract description 66
- 230000005484 gravity Effects 0.000 claims abstract description 34
- 230000002787 reinforcement Effects 0.000 claims 6
- 230000001105 regulatory effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 abstract description 40
- 238000007667 floating Methods 0.000 description 12
- 230000002441 reversible effect Effects 0.000 description 9
- 238000005452 bending Methods 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 2
- 229910003271 Ni-Fe Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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
-
- 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
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP367903/98 | 1998-12-24 | ||
JP367903/1998 | 1998-12-24 | ||
JP36790398A JP3815094B2 (ja) | 1998-12-24 | 1998-12-24 | ヘッドアセンブリ及びディスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1258074A true CN1258074A (zh) | 2000-06-28 |
CN1226737C CN1226737C (zh) | 2005-11-09 |
Family
ID=18490494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB99117528XA Expired - Fee Related CN1226737C (zh) | 1998-12-24 | 1999-08-10 | 磁头组件和盘驱动装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6417992B2 (zh) |
JP (1) | JP3815094B2 (zh) |
KR (1) | KR100632314B1 (zh) |
CN (1) | CN1226737C (zh) |
DE (1) | DE19942497A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US6646832B2 (en) * | 2001-01-29 | 2003-11-11 | Manuel Anaya-Dufresne | Slider for load/unload operation with high stiffness and low unload force |
SG107115A1 (en) * | 2001-10-02 | 2004-11-29 | Matsushita Electric Ind Co Ltd | Head slider and head supporting device and disk drive |
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 |
US20030184907A1 (en) * | 2002-03-29 | 2003-10-02 | Seagate Technology Llc | Method for boosting a disc drive motor stiction breakaway performance |
KR20040067417A (ko) * | 2003-01-23 | 2004-07-30 | 삼성전자주식회사 | 광픽업 액츄에이터 |
US8014106B2 (en) * | 2005-03-11 | 2011-09-06 | Hitachi Global Storage Technologies, Netherlands B.V. | Method and apparatus for modifying a dynamic pitch of a slider to increase head to disk interface reliability for contact recording systems |
US8014105B2 (en) * | 2005-03-11 | 2011-09-06 | Hitachi Global Storage Technologies, Netherlands B.V. | Method and apparatus for modifying the air bearing force of the trailing edge of a slider to increase head to disk interface reliability for contact recording systems |
US7345850B2 (en) * | 2005-03-11 | 2008-03-18 | Hitachi Global Storage Technologies Netherlands, B.V. | Method and apparatus for utilizing an off-center gimbal to increase head to disk interface reliability for contact recording systems |
US7352530B2 (en) * | 2005-03-11 | 2008-04-01 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for reducing a suspension gram load to increase head to disk interface reliability for contact recording systems |
JP4187757B2 (ja) * | 2006-06-22 | 2008-11-26 | 日東電工株式会社 | 配線回路基板 |
US8169743B2 (en) * | 2007-07-20 | 2012-05-01 | Hitachi Global Storage Technologies, Netherlands B.V. | Minimizing slider vibration effects on a magnetic transducer |
US9318031B2 (en) * | 2012-08-27 | 2016-04-19 | Michael Edward Boyd | Device and method to produce gravitomagnetic induction, mass spin-valve or gravitational rectifier |
US9972354B2 (en) * | 2012-08-27 | 2018-05-15 | Michael Boyd | Calibrated device and method to detect material features on a spinning surface by generation and detection of gravito-magnetic energy |
US11496033B2 (en) | 2019-01-08 | 2022-11-08 | Michael Boyd | Device and method to generate and apply gravito-magnetic energy |
CN113906656B (zh) * | 2019-05-28 | 2024-06-28 | Lg伊诺特有限公司 | 马达 |
US12148447B1 (en) * | 2023-05-10 | 2024-11-19 | Western Digital Technologies, Inc. | HDD head having same gap verify and system for using same |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56105358A (en) * | 1980-01-22 | 1981-08-21 | Mitsubishi Electric Corp | Magnetic head supporting mechanism |
JP2515479Y2 (ja) * | 1986-10-03 | 1996-10-30 | アルプス電気株式会社 | 浮動式磁気ヘツド装置 |
US5243482A (en) * | 1989-10-20 | 1993-09-07 | Hitachi, Ltd. | Floating type magnetic head supporting assembly including a coupling to a slider side surface |
US5200867A (en) | 1991-07-02 | 1993-04-06 | International Business Machines Corporation | Transducer carrier for disk file with liquid film head-disk interface |
JP2568011B2 (ja) * | 1991-07-23 | 1996-12-25 | 株式会社日立製作所 | 磁気ヘツド |
US5285337A (en) * | 1992-04-30 | 1994-02-08 | International Business Machines Corporation | Liquid-bearing data recording disk file with transducer carrier having support struts |
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 |
JP2767666B2 (ja) * | 1992-06-01 | 1998-06-18 | 富士通株式会社 | 磁気ヘッド用スプリングアーム |
JP3217874B2 (ja) * | 1992-10-28 | 2001-10-15 | 富士通株式会社 | ヘッド支持機構及び磁気ディスク装置 |
US5434731A (en) * | 1992-11-12 | 1995-07-18 | Seagate Technology, Inc. | Process for making a one-piece flexure for small magnetic heads |
US5625514A (en) * | 1993-12-14 | 1997-04-29 | Sony Corporation | Disk Device |
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 |
JP3675508B2 (ja) * | 1995-01-24 | 2005-07-27 | 株式会社東芝 | 記録再生ヘッドスライダ及びこれを用いた記録再生装置 |
JPH08321027A (ja) | 1995-05-25 | 1996-12-03 | Hitachi Ltd | 磁気ヘッド及び磁気記録再生装置 |
JP3426082B2 (ja) * | 1996-04-26 | 2003-07-14 | 富士通株式会社 | 磁気ヘッド用スライダ及び磁気ディスク装置 |
JP3240935B2 (ja) * | 1996-09-20 | 2001-12-25 | 株式会社日立製作所 | 磁気ディスク装置 |
US5870251A (en) * | 1997-04-14 | 1999-02-09 | Seagate Technology, Inc. | Taperless/crown free/air bearing design |
US5850320A (en) * | 1997-05-13 | 1998-12-15 | Seagate Technology, Inc. | Head-gimbal assembly with reduced vertical spacing envelope and alignment structures |
US6212042B1 (en) * | 1997-06-27 | 2001-04-03 | Seagate Technology Llc | Slider having air bearing surface which includes pads for disk storage system |
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 |
US6215621B1 (en) * | 1997-11-07 | 2001-04-10 | Seagate Technology Llc | Multi-tier bearing with deposited tier |
US6243222B1 (en) * | 1998-03-20 | 2001-06-05 | Seagate Technology, Inc | Load/unload method for sliders in a high speed disk drive |
US6188547B1 (en) * | 1998-06-04 | 2001-02-13 | Seagate Technology Llc | Slider with pressure relief trenches |
US6236543B1 (en) * | 1999-01-29 | 2001-05-22 | Read-Rite Corporation | Durable landing pads for an air-bearing slider |
-
1998
- 1998-12-24 JP JP36790398A patent/JP3815094B2/ja not_active Expired - Fee Related
-
1999
- 1999-07-21 US US09/358,334 patent/US6417992B2/en not_active Expired - Fee Related
- 1999-07-30 KR KR1019990031348A patent/KR100632314B1/ko not_active IP Right Cessation
- 1999-08-10 CN CNB99117528XA patent/CN1226737C/zh not_active Expired - Fee Related
- 1999-09-06 DE DE19942497A patent/DE19942497A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN1226737C (zh) | 2005-11-09 |
KR20000047449A (ko) | 2000-07-25 |
DE19942497A1 (de) | 2000-07-06 |
KR100632314B1 (ko) | 2006-10-11 |
US6417992B2 (en) | 2002-07-09 |
US20010028536A1 (en) | 2001-10-11 |
JP2000195208A (ja) | 2000-07-14 |
JP3815094B2 (ja) | 2006-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TOSHIBA STORAGE DEVICE CO., LTD. Free format text: FORMER OWNER: FUJITSU LIMITED Effective date: 20091204 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091204 Address after: Tokyo, Japan Patentee after: Fujitsu Ltd. Address before: Kanagawa, Japan Patentee before: Fujitsu Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051109 Termination date: 20110810 |