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DE69719428T2 - Magnetisches Plattenspeichergerät - Google Patents

Magnetisches Plattenspeichergerät Download PDF

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Publication number
DE69719428T2
DE69719428T2 DE69719428T DE69719428T DE69719428T2 DE 69719428 T2 DE69719428 T2 DE 69719428T2 DE 69719428 T DE69719428 T DE 69719428T DE 69719428 T DE69719428 T DE 69719428T DE 69719428 T2 DE69719428 T2 DE 69719428T2
Authority
DE
Germany
Prior art keywords
storage device
magnetic disk
disk storage
magnetic
storage
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
Application number
DE69719428T
Other languages
English (en)
Other versions
DE69719428D1 (de
Inventor
Toshihiko Shimizu
Shinobu Yoshida
Tetsuya Hamaguchi
Keiko Watanabe
Toshihiro Arisaka
Kenji Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Japan Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69719428D1 publication Critical patent/DE69719428D1/de
Application granted granted Critical
Publication of DE69719428T2 publication Critical patent/DE69719428T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
    • 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
    • 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
    • G11B5/6017—Control of flying height using capacitive measurement
DE69719428T 1996-09-20 1997-09-17 Magnetisches Plattenspeichergerät Expired - Fee Related DE69719428T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24976096A JP3240935B2 (ja) 1996-09-20 1996-09-20 磁気ディスク装置

Publications (2)

Publication Number Publication Date
DE69719428D1 DE69719428D1 (de) 2003-04-10
DE69719428T2 true DE69719428T2 (de) 2004-01-15

Family

ID=17197830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719428T Expired - Fee Related DE69719428T2 (de) 1996-09-20 1997-09-17 Magnetisches Plattenspeichergerät

Country Status (4)

Country Link
US (2) US5999369A (de)
EP (1) EP0831463B1 (de)
JP (1) JP3240935B2 (de)
DE (1) DE69719428T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3815094B2 (ja) * 1998-12-24 2006-08-30 富士通株式会社 ヘッドアセンブリ及びディスク装置
US6850392B1 (en) * 1999-06-24 2005-02-01 Seagate Technology, Llc Direct joining of stainless steel suspension to aluminum actuator arm
US6297934B1 (en) * 1999-09-29 2001-10-02 Magnecomp Corporation Disk drive actuator arm with differential mount plate support
DE10190483T5 (de) 2000-02-07 2005-03-03 Seagate Technology Llc, Scotts Valley Plattenlaufwerk mit einem für eine reduzierte phasenverschobene Bewegung konfigurierten Betätigerarm
US6801387B1 (en) * 2000-04-14 2004-10-05 Seagate Technology Llc Control flow instability to reduce disk flutter and half frequency whirl
US6751068B1 (en) 2000-10-24 2004-06-15 Seagate Technology Llc Actuator assembly for a disc drive having shell extensions
US6738229B2 (en) * 2000-12-29 2004-05-18 Maxtor Corporation Head stack assembly having decreased track misregistration characteristics
CN1221972C (zh) * 2001-02-13 2005-10-05 松下电器产业株式会社 盘装置
US7068469B2 (en) 2002-08-07 2006-06-27 Matsushita Electric Industrial Co., Ltd. Head supporting assembly, head driving assembly, and disk drive apparatus
JP3780997B2 (ja) * 2002-10-11 2006-05-31 Ｔｄｋ株式会社 サスペンション、ヘッドジンバルアセンブリ、該ヘッドジンバルアセンブリを備えたヘッドアームアセンブリ及び該ヘッドアームアセンブリを備えたディスク装置
JP4112379B2 (ja) * 2003-01-14 2008-07-02 サンコール株式会社 磁気ヘッドサスペンション
JP4135899B2 (ja) * 2003-01-27 2008-08-20 サンコール株式会社 磁気ヘッドサスペンション
US6958879B2 (en) * 2003-07-10 2005-10-25 Samsung Electronics Co., Ltd. Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive using configuration of the disk drive servo controller
US6920018B2 (en) 2003-07-10 2005-07-19 Samsung Electronics, Co., Ltd. Method and apparatus reducing off-track head motion due to disk vibration in a disk drive through flexure mounting and/or non-symmetric hinging within the head gimbal assembly
US7136260B2 (en) * 2003-07-10 2006-11-14 Samsung Electronics Co., Ltd. Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly
US7408743B1 (en) 2003-09-19 2008-08-05 Magnecomp Corporation Hard disk drive suspension employing a vertical offset to reduce track mis-registration induced by disk vibration
US8223460B2 (en) * 2004-12-21 2012-07-17 Magnecomp Corporation Asymmetric load beam for improving resonance performance of hard disk drive suspension
US7606000B1 (en) 2005-05-03 2009-10-20 Hutchinson Technology Incorporated Offset structure for disk drive head suspension
US7573680B1 (en) 2005-11-01 2009-08-11 Magnecomp Corporation Etched laminate structures for reducing track mis-registration in a disk drive suspension
US7542239B2 (en) * 2005-11-21 2009-06-02 Seagate Technology, Llc Disc flutter compensating suspension
US7440234B1 (en) * 2006-03-21 2008-10-21 Western Digital Technologies, Inc. Disk drive including an actuator arm with a region of reduced thickness between an arm longitudinal axis and a disk axis of rotation
KR100723533B1 (ko) 2006-07-13 2007-05-30 삼성전자주식회사 Ｈｓａ 및 이를 구비한 하드디스크 드라이브
KR100723534B1 (ko) 2006-07-13 2007-05-30 삼성전자주식회사 Ｈｓａ 및 이를 구비한 하드디스크 드라이브
KR100773739B1 (ko) * 2006-07-28 2007-11-09 삼성전자주식회사 헤드 짐벌 조립체 및 그를 구비한 하드디스크 드라이브
KR20090023985A (ko) * 2007-09-03 2009-03-06 삼성전자주식회사 아암 블레이드, 상기 아암 블레이드를 구비한 ｈｓａ, 및상기 ｈｓａ를 구비한 하드디스크 드라이브
JP5036657B2 (ja) * 2008-08-05 2012-09-26 日本発條株式会社 ヘッドサスペンションの製造方法、及びヘッドサスペンション
KR20100118333A (ko) 2009-04-28 2010-11-05 삼성전자주식회사 Ｈｓａ 및 이를 구비한 하드디스크 드라이브
JP5808622B2 (ja) * 2011-09-06 2015-11-10 日本発條株式会社 ロード・ビーム、ヘッド・サスペンション、及び荷重曲げ方法
JP5634432B2 (ja) * 2012-04-20 2014-12-03 サンコール株式会社 磁気ヘッドサスペンション

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071864A (en) * 1976-01-16 1978-01-31 The United States Of America As Represented By The Secretary Of The Air Force Flexible recording head mounting assembly
US4731685A (en) * 1985-10-16 1988-03-15 Ampex Corporation Transducing head mounting on an unsupported length of spring
US5142424A (en) * 1989-07-12 1992-08-25 Yotaro Hatamura Floatable information-reading head support configured to prevent forward pitch
US5243482A (en) * 1989-10-20 1993-09-07 Hitachi, Ltd. Floating type magnetic head supporting assembly including a coupling to a slider side surface
US5237475A (en) * 1989-12-26 1993-08-17 Alps Electric Co., Ltd. Magnetic head for photo-magnetic recording
JPH05189906A (ja) * 1992-01-14 1993-07-30 Sony Corp 浮上型磁気ヘッドの製造方法
US5381288A (en) * 1992-06-16 1995-01-10 Applied Magnetics Corporation, Inc. Center moment suspension assembly
JPH06150598A (ja) * 1992-10-30 1994-05-31 Sony Corp 浮上型磁気ヘッド装置の製造方法
US5682669A (en) * 1994-02-01 1997-11-04 Applied Magnetics Corporation Method of making a magnetic head gimbal suspension assembly with double dimple
US5471734A (en) * 1994-05-26 1995-12-05 Quantum Corporation Method for characterizing and controlling in-plane stiffness of load beam within head-gimbal assembly of a hard disk drive
JP2887226B2 (ja) * 1995-03-31 1999-04-26 インターナショナル・ビジネス・マシーンズ・コーポレイション デイスク装置におけるロードビーム
US6088192A (en) * 1996-08-05 2000-07-11 Quantum Corporation Roll-biased head suspension for reduced track misregistration
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
US5734525A (en) * 1996-11-20 1998-03-31 Hutchinson Technology Incorporated Head suspension with torsion spring region

Also Published As

Publication number Publication date
DE69719428D1 (de) 2003-04-10
JPH1097773A (ja) 1998-04-14
EP0831463B1 (de) 2003-03-05
US6462910B1 (en) 2002-10-08
JP3240935B2 (ja) 2001-12-25
EP0831463A1 (de) 1998-03-25
US5999369A (en) 1999-12-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES JAPAN,LTD., OD

8339 Ceased/non-payment of the annual fee