DE69426576D1 - Magnetische Platteneinheit - Google Patents

Magnetische Platteneinheit

Info

Publication number
DE69426576D1
DE69426576D1 DE69426576T DE69426576T DE69426576D1 DE 69426576 D1 DE69426576 D1 DE 69426576D1 DE 69426576 T DE69426576 T DE 69426576T DE 69426576 T DE69426576 T DE 69426576T DE 69426576 D1 DE69426576 D1 DE 69426576D1
Authority
DE
Germany
Prior art keywords
magnetic disk
disk unit
unit
magnetic
disk
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
DE69426576T
Other languages
English (en)
Other versions
DE69426576T2 (de
Inventor
Rikuro Obara
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.)
Minebea Co Ltd
Original Assignee
Minebea Co 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 Minebea Co Ltd filed Critical Minebea Co Ltd
Publication of DE69426576D1 publication Critical patent/DE69426576D1/de
Application granted granted Critical
Publication of DE69426576T2 publication Critical patent/DE69426576T2/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
DE69426576T 1993-02-23 1994-02-22 Magnetische Platteneinheit Expired - Fee Related DE69426576T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05787193A JP3312942B2 (ja) 1993-02-23 1993-02-23 磁気ディスク装置

Publications (2)

Publication Number Publication Date
DE69426576D1 true DE69426576D1 (de) 2001-02-22
DE69426576T2 DE69426576T2 (de) 2001-05-31

Family

ID=13068054

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69426576T Expired - Fee Related DE69426576T2 (de) 1993-02-23 1994-02-22 Magnetische Platteneinheit

Country Status (4)

Country Link
US (1) US6078466A (de)
EP (1) EP0613134B1 (de)
JP (1) JP3312942B2 (de)
DE (1) DE69426576T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400004U1 (de) * 1994-01-03 1995-02-02 Precision Motors Deutsche Minebea GmbH, 78549 Spaichingen Kugellagerung für den Spindelmotor eines Plattenlaufwerkes
US5486962A (en) 1994-10-12 1996-01-23 International Business Machines Corporation Integral hub and disk clamp for a disk drive storage device
EP0770998B1 (de) * 1995-10-20 2004-03-24 Minebea Co.,Ltd. Festplattenantrieb mit zusammengesetzter Lagereinheit
JPH09112546A (ja) * 1995-10-20 1997-05-02 Minebea Co Ltd 複合軸受装置を備えるハードディスクドライブ装置
JPH09119436A (ja) * 1995-10-25 1997-05-06 Minebea Co Ltd スイングアーム用複合軸受
EP1207530A1 (de) * 1995-10-25 2002-05-22 Minebea Kabushiki-Kaisha Mehrteiliger Lagerzusammenbau für den Schwenkarm eines Festplattenlaufwerks
JPH11328835A (ja) * 1998-05-14 1999-11-30 Minebea Co Ltd モータおよび同モータを備えるハードディスクドライブ装置
JP2000184652A (ja) * 1998-12-10 2000-06-30 Minebea Co Ltd スピンドルモータ
JP3804854B2 (ja) * 2000-01-07 2006-08-02 日本ビクター株式会社 回転記録媒体駆動装置及びその製造方法
JP2001309606A (ja) * 2000-04-19 2001-11-02 Minebea Co Ltd Ｏａ機器用の複合軸受電動機
JP3936538B2 (ja) * 2000-05-30 2007-06-27 株式会社Ｎｅｏｍａｘ 薄型永久磁石式発電機及びそれを組み込んだディスケット
DE10043808A1 (de) 2000-09-06 2002-03-14 Prec Motors Deutsche Minebea G Spindelmotor mit Hülse für Festplattenlaufwerke
KR100986686B1 (ko) * 2007-12-04 2010-10-11 엘지이노텍 주식회사 스핀들 모터
KR101412863B1 (ko) * 2013-02-13 2014-06-26 삼성전기주식회사 스핀들 모터 및 이를 구비하는 기록 디스크 구동장치
JP2021057927A (ja) * 2019-09-26 2021-04-08 ミネベアミツミ株式会社 回転装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325404A (en) * 1976-08-21 1978-03-09 Watanabe Kenkyusho Toy cassette player
JPS61112547A (ja) * 1984-11-07 1986-05-30 Mitsubishi Electric Corp デイスク駆動モ−タ
DE3540363A1 (de) * 1984-12-19 1986-06-19 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Spindel, insbesondere plattenspeicherspindel
JP2590334B2 (ja) * 1987-05-08 1997-03-12 長野日本電産 株式会社 カップ形ロ−タを有する磁気ディスク駆動用モ−タ
US5157295A (en) * 1989-01-25 1992-10-20 Conner Peripherals, Inc. Under-the-hub disk drive spin motor
US5045738A (en) * 1989-02-22 1991-09-03 Nippon Densan Corporation Spindle motor
CA2027225A1 (en) * 1989-10-27 1991-04-28 Donald James Macleod Spindle motor assembly for disc drives
US5138209A (en) * 1990-03-01 1992-08-11 Nippon Densan Corporation Spindle motor
US5274288A (en) * 1990-06-01 1993-12-28 Conner Peripherals, Inc. Low noise spin motor for use in disk drive
JPH0467356A (ja) * 1990-07-03 1992-03-03 Nec Ibaraki Ltd 磁気ディスク駆動装置
US5214326A (en) * 1990-09-01 1993-05-25 Nippon Densan Corporation Spindle motor with magnetic shield for magnetic fluid seal
US5177650A (en) * 1990-11-09 1993-01-05 Seagate Technology, Inc. Disc drive assembly with improved communications and reduced contamination risk
JP3054210B2 (ja) * 1991-02-16 2000-06-19 日本電産株式会社 スピンドルモータ及びハブ部材の加工方法
US5334895A (en) * 1991-03-20 1994-08-02 Nippon Densan Corporation Spindle motor with the stator core supported by a resin member
US5200866A (en) * 1991-04-09 1993-04-06 Digital Equipment Corporation Motorized spindle for disk drive
JPH0523757U (ja) * 1991-09-04 1993-03-26 株式会社三協精機製作所 小型モータ

Also Published As

Publication number Publication date
JPH06251496A (ja) 1994-09-09
DE69426576T2 (de) 2001-05-31
JP3312942B2 (ja) 2002-08-12
EP0613134B1 (de) 2001-01-17
EP0613134A1 (de) 1994-08-31
US6078466A (en) 2000-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee