HK202796A - Disk file including means for ensuring disk/hub concentricity - Google Patents

Disk file including means for ensuring disk/hub concentricity

Info

Publication number
HK202796A
HK202796A HK202796A HK202796A HK202796A HK 202796 A HK202796 A HK 202796A HK 202796 A HK202796 A HK 202796A HK 202796 A HK202796 A HK 202796A HK 202796 A HK202796 A HK 202796A
Authority
HK
Hong Kong
Prior art keywords
disk
ensuring
including means
file including
concentricity
Prior art date
Application number
HK202796A
Other languages
English (en)
Inventor
Graham Nigel Dew
Anthony Roger Hearn
David John Sebborn
Julian Thomas Young
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of HK202796A publication Critical patent/HK202796A/xx

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • G11B33/1433—Reducing the influence of the temperature by reducing the effects of the thermal expansion
HK202796A 1990-01-08 1996-11-07 Disk file including means for ensuring disk/hub concentricity HK202796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB1990/000020 WO1991011004A1 (en) 1990-01-08 1990-01-08 Disk file including means for ensuring disk/hub concentricity

Publications (1)

Publication Number Publication Date
HK202796A true HK202796A (en) 1996-11-15

Family

ID=1236482

Family Applications (1)

Application Number Title Priority Date Filing Date
HK202796A HK202796A (en) 1990-01-08 1996-11-07 Disk file including means for ensuring disk/hub concentricity

Country Status (13)

Country Link
US (1) US5315463A (ko)
EP (1) EP0466692B1 (ko)
JP (1) JPH04505379A (ko)
KR (1) KR940011093B1 (ko)
CN (1) CN1018681B (ko)
AU (1) AU637169B2 (ko)
BR (1) BR9007148A (ko)
CA (1) CA2031595C (ko)
DE (1) DE69027208D1 (ko)
ES (1) ES2090122T3 (ko)
HK (1) HK202796A (ko)
MY (1) MY104560A (ko)
WO (1) WO1991011004A1 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993019464A1 (en) * 1992-03-20 1993-09-30 Digital Equipment Corporation Apparatus for clamping a rigid disk
JP2714332B2 (ja) * 1992-10-07 1998-02-16 株式会社東芝 データ記録再生装置およびディスク固定方法
JPH06139675A (ja) * 1992-10-27 1994-05-20 Hitachi Ltd ディスク形記憶媒体の駆動装置
US5457589A (en) * 1994-03-02 1995-10-10 Seagate Technology, Inc. Hub-disc interface reducing hub reloaded disc surface curvature
US5486961A (en) * 1994-08-30 1996-01-23 International Business Machines Corporation Resilient compliant clamp for data storage disk drives
US5659443A (en) * 1995-12-01 1997-08-19 International Business Machines Corporation Split band retainer for radially clamping a disk to a hub in a disk drive
US5917677A (en) * 1995-12-18 1999-06-29 Seagate Technology, Inc. Disk drive motor spindle hub assembly with separately formed hub ceramic flange attachment
KR100268492B1 (ko) * 1996-01-11 2000-10-16 윤종용 하드디스크드라이브의디스크및디스크고정방법
US6130801A (en) * 1997-11-07 2000-10-10 Seagate Technology, Inc. Composite disc spacer for a disc drive
KR100267368B1 (ko) * 1998-04-11 2000-10-16 윤종용 하드디스크 드라이브의 커버장치
KR100288925B1 (ko) * 1998-09-18 2001-05-02 구자홍 광기록재생장치의트레이구조
US6208486B1 (en) 1999-05-14 2001-03-27 Western Digital Corporation Spindle motor flange land portion
US6690541B2 (en) * 2000-04-17 2004-02-10 Seagate Technology Llc Clamping ring with a radial load and vertical force
US6788495B2 (en) 2002-03-11 2004-09-07 Seagate Technology Llc Disc pack assembly
US20050201010A1 (en) * 2004-03-12 2005-09-15 Yiren Hong Disc media retainer
US20060232880A1 (en) * 2005-04-14 2006-10-19 Seagate Technology Llc Mounting system for a storage media disc

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713676A (en) * 1971-05-07 1973-01-30 Gen Electric Predeformed rabbit joint
US4672488A (en) * 1984-08-22 1987-06-09 Wright Harold T Spindle hub-disc interface
US4717977A (en) * 1986-09-25 1988-01-05 Micropolis Corporation High capacity Winchester disk drive
US4739427A (en) * 1987-01-14 1988-04-19 Micropolis Corporation High capacity hard disk construction
US4814652A (en) * 1987-02-27 1989-03-21 Maxtor Corporation Disk drive motor with thermally matched parts
US4910620A (en) * 1987-05-14 1990-03-20 Siemens Aktiengesellschaft Thermal compensation structure for a disk pack module
US4945432A (en) * 1988-03-31 1990-07-31 Hoya Electronics Corporation Magnetic disk drive with brittle disks
US4980786A (en) * 1988-11-14 1990-12-25 Maxtor Corporation Method and apparatus for improved thermal isolation and stability of disk drives

Also Published As

Publication number Publication date
WO1991011004A1 (en) 1991-07-25
CN1053963A (zh) 1991-08-21
CA2031595C (en) 1995-08-29
KR920702894A (ko) 1992-10-28
CA2031595A1 (en) 1991-07-09
BR9007148A (pt) 1992-01-28
DE69027208D1 (de) 1996-07-04
AU637169B2 (en) 1993-05-20
AU6786090A (en) 1991-07-11
MY104560A (en) 1994-04-30
JPH0572021B2 (ko) 1993-10-08
CN1018681B (zh) 1992-10-14
JPH04505379A (ja) 1992-09-17
EP0466692B1 (en) 1996-05-29
KR940011093B1 (ko) 1994-11-23
EP0466692A1 (en) 1992-01-22
ES2090122T3 (es) 1996-10-16
US5315463A (en) 1994-05-24

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070108