SG116493A1 - Disc drive slider with protruding electrostatic actuartor electrode. - Google Patents
Disc drive slider with protruding electrostatic actuartor electrode.Info
- Publication number
- SG116493A1 SG116493A1 SG200302774A SG200302774A SG116493A1 SG 116493 A1 SG116493 A1 SG 116493A1 SG 200302774 A SG200302774 A SG 200302774A SG 200302774 A SG200302774 A SG 200302774A SG 116493 A1 SG116493 A1 SG 116493A1
- Authority
- SG
- Singapore
- Prior art keywords
- actuartor
- electrode
- disc drive
- drive slider
- protruding electrostatic
- Prior art date
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
-
- 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
- G11B5/581—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 maintaining desired contact or spacing by direct interaction of forces generated between heads or supports thereof and record carriers or supports thereof, e.g. attraction-repulsion interactions
-
- 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
- G11B5/6082—Design of the air bearing surface
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N13/00—Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/1058—Flying heads
-
- 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
- G11B5/6011—Control of flying height
- G11B5/6035—Control of flying height using electrostatic forces
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41049202P | 2002-09-13 | 2002-09-13 | |
US10/368,705 US6888693B2 (en) | 2002-09-13 | 2003-02-18 | Disc drive slider with protruding electrostatic actuator electrode |
Publications (1)
Publication Number | Publication Date |
---|---|
SG116493A1 true SG116493A1 (en) | 2005-11-28 |
Family
ID=27004295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG200302774A SG116493A1 (en) | 2002-09-13 | 2003-05-19 | Disc drive slider with protruding electrostatic actuartor electrode. |
Country Status (5)
Country | Link |
---|---|
US (1) | US6888693B2 (zh) |
JP (1) | JP3762916B2 (zh) |
CN (1) | CN1291381C (zh) |
GB (1) | GB2393031A (zh) |
SG (1) | SG116493A1 (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7130160B2 (en) * | 2004-01-13 | 2006-10-31 | Samsung Electronics Co., Ltd. | Method and apparatus for a micro-actuator providing three-dimensional positioning to a slider in a hard disk drive |
US7199960B1 (en) * | 2001-12-11 | 2007-04-03 | Maxtor Corporation | Disk drive with AC exciter for head/disk interface |
US7016139B2 (en) * | 2003-10-22 | 2006-03-21 | Hitachi Global Storage Netherlands B.V. | Magnetic recording disk drive with actively controlled electric potential at the head/disk interface for wear and durability control |
US7233451B2 (en) * | 2003-10-22 | 2007-06-19 | Hitachi Global Storage Technologies Netherlands B.V. | Method for actively controlling electric potential at the head/disk interface of a magnetic recording disk drive |
US6985326B2 (en) * | 2003-11-17 | 2006-01-10 | Seagate Technology Llc | Multi-layer electrode device on slider for electrostatic fly height adjustment |
US7417813B2 (en) * | 2004-05-26 | 2008-08-26 | Seagate Technology Llc | Overlapping data track access |
JP2006114202A (ja) * | 2004-09-14 | 2006-04-27 | Shinka Jitsugyo Kk | 磁気ヘッドアッセンブリ、磁気ディスク装置、磁気ヘッドスライダの姿勢制御方法 |
US7450342B2 (en) * | 2005-03-14 | 2008-11-11 | Seagate Technology Llc | Composite head-electrical conditioner assembly |
JP4981286B2 (ja) * | 2005-09-14 | 2012-07-18 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | 磁気ディスク装置及び磁気ヘッドスライダ |
US7440219B2 (en) * | 2006-11-28 | 2008-10-21 | Sae Magnetics (H.K.) Ltd. | Non-contact measurement of slider fly height by electrostatic force |
US8149541B2 (en) * | 2008-10-17 | 2012-04-03 | Hitachi Global Storage Technologies Netherlands B.V. | System for controlling contact location during TFC touchdown and methods thereof |
JP4901951B2 (ja) * | 2009-12-25 | 2012-03-21 | 株式会社東芝 | ヘッドおよびこれを備えたディスク装置 |
US8599512B2 (en) | 2011-09-16 | 2013-12-03 | Western Digital Technologies, Inc. | Current sensor comprising differential amplifier biased by leakage current |
US8681442B2 (en) | 2012-05-11 | 2014-03-25 | Western Digital Technologies, Inc. | Disk drive comprising extended range head proximity sensor |
US9042208B1 (en) | 2013-03-11 | 2015-05-26 | Western Digital Technologies, Inc. | Disk drive measuring fly height by applying a bias voltage to an electrically insulated write component of a head |
US8995076B1 (en) * | 2014-04-21 | 2015-03-31 | Seagate Technology Llc | Head-medium contact detection using electromagnetic attraction |
US10354684B1 (en) * | 2017-05-08 | 2019-07-16 | Seagate Technologies Llc | Transducing head with a surface charged reader |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4605977A (en) * | 1983-12-14 | 1986-08-12 | Sperry Corporation | Air bearing head displacement sensor and positioner |
US4931887A (en) * | 1988-02-01 | 1990-06-05 | International Business Machines Corporation | Capacitive measurement and control of the fly height of a recording slider |
US4823205A (en) * | 1988-02-08 | 1989-04-18 | International Business Machines Corporation | Capacitive sensor for head positioning in magnetic recording disk files |
IT1225125B (it) | 1988-10-07 | 1990-11-02 | Clima Srl | Profilato atto a formare un elemento di supporto di lastre di vetro e/o piastre di vario genere particolarmente applicabile per la formazione di facciate continue e simili |
JP2884774B2 (ja) * | 1990-12-01 | 1999-04-19 | 株式会社日立製作所 | 情報記憶装置及びその製法 |
JP2721638B2 (ja) * | 1993-11-25 | 1998-03-04 | 富士通株式会社 | 静電気アクチュエータ |
US6359746B1 (en) * | 1994-09-14 | 2002-03-19 | Kabushiki Kaisha Toshiba | Magnetic disk drive |
JP3748911B2 (ja) * | 1995-01-24 | 2006-02-22 | 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 |
US5920978A (en) * | 1995-03-01 | 1999-07-13 | Fujitsu Limited | Method of making a thin film magnetic slider |
JP3647961B2 (ja) * | 1996-03-05 | 2005-05-18 | 富士通株式会社 | 磁気ヘッド用スライダ及び磁気記録装置 |
US6269687B1 (en) * | 1997-09-22 | 2001-08-07 | Seagate Technology Llc | Force sensing slider |
US6005736A (en) * | 1997-10-21 | 1999-12-21 | International Business Machines Corporation | Method and means for active shock protection in a magnetic disk storage device using electrostatic forces |
US6529342B1 (en) * | 1998-02-24 | 2003-03-04 | Seagate Technology, Inc. | Method for controlling flying height of a magnetic head |
US6366416B1 (en) * | 2000-02-03 | 2002-04-02 | Seagate Technology Llc | Glide test head with active fly height control |
US6088907A (en) * | 1998-09-09 | 2000-07-18 | Institute For Advanced Engineering | Method for fabricating a head/slider assembly integrated with a track-following micro actuator |
US6714499B2 (en) * | 2000-01-27 | 2004-03-30 | Tosoh Corporation | Flying optical recording/playback head and method for controlling the flying height |
EP1305802A2 (en) * | 2000-07-28 | 2003-05-02 | Seagate Technology, Inc. | Disk head slider having cavities for increasing contact stiffness and controlling suction center movement |
US6775089B1 (en) * | 2000-12-15 | 2004-08-10 | Seagate Technology Llc | Electrostatic slider fly height control |
JP3934055B2 (ja) * | 2001-01-25 | 2007-06-20 | シーゲイト テクノロジー エルエルシー | 統合静電スライダ浮上高制御 |
JP2005501358A (ja) | 2001-08-22 | 2005-01-13 | シーゲイト テクノロジー エルエルシー | 静電飛行高度制御システム及び方法 |
WO2003019559A1 (en) * | 2001-08-22 | 2003-03-06 | Seagate Technology Llc | Contact detection and calibration for electrostatic fly height control in a disc drive |
-
2003
- 2003-02-18 US US10/368,705 patent/US6888693B2/en not_active Expired - Fee Related
- 2003-05-19 SG SG200302774A patent/SG116493A1/en unknown
- 2003-06-02 GB GB0312595A patent/GB2393031A/en not_active Withdrawn
- 2003-07-15 JP JP2003196843A patent/JP3762916B2/ja not_active Expired - Fee Related
- 2003-09-12 CN CNB031593933A patent/CN1291381C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6888693B2 (en) | 2005-05-03 |
JP3762916B2 (ja) | 2006-04-05 |
CN1523579A (zh) | 2004-08-25 |
CN1291381C (zh) | 2006-12-20 |
GB2393031A (en) | 2004-03-17 |
JP2004111019A (ja) | 2004-04-08 |
GB0312595D0 (en) | 2003-07-09 |
US20040051992A1 (en) | 2004-03-18 |
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