FR2425693B1 - - Google Patents

Info

Publication number
FR2425693B1
FR2425693B1 FR7909394A FR7909394A FR2425693B1 FR 2425693 B1 FR2425693 B1 FR 2425693B1 FR 7909394 A FR7909394 A FR 7909394A FR 7909394 A FR7909394 A FR 7909394A FR 2425693 B1 FR2425693 B1 FR 2425693B1
Authority
FR
France
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
Application number
FR7909394A
Other versions
FR2425693A1 (fr
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2425693A1 publication Critical patent/FR2425693A1/fr
Application granted granted Critical
Publication of FR2425693B1 publication Critical patent/FR2425693B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B5/4833—Structure of the arm assembly, e.g. load beams, flexures, parts of the arm adapted for controlling vertical force on the head
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • 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
FR7909394A 1978-05-11 1979-04-06 Dispositif porte-transducteur a amortissement des vibrations, notamment pour la lecture/ecriture de disques magnetiques souples Granted FR2425693A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/904,949 US4208684A (en) 1978-05-11 1978-05-11 Damper for constant load arm

Publications (2)

Publication Number Publication Date
FR2425693A1 FR2425693A1 (fr) 1979-12-07
FR2425693B1 true FR2425693B1 (fr) 1982-03-12

Family

ID=25420028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909394A Granted FR2425693A1 (fr) 1978-05-11 1979-04-06 Dispositif porte-transducteur a amortissement des vibrations, notamment pour la lecture/ecriture de disques magnetiques souples

Country Status (5)

Country Link
US (1) US4208684A (fr)
JP (1) JPS5815868B2 (fr)
DE (1) DE2918046C2 (fr)
FR (1) FR2425693A1 (fr)
GB (1) GB2020882B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105358A (en) * 1980-01-22 1981-08-21 Mitsubishi Electric Corp Magnetic head supporting mechanism
EP0060358B1 (fr) * 1981-03-18 1984-11-21 International Business Machines Corporation Dispositif de support d'une tête et montage de support d'une tête pour mémoires à disque
US4760478A (en) * 1983-03-30 1988-07-26 International Business Machines Visco-elastically damped magnetic head suspension assembly
US4611257A (en) * 1983-08-18 1986-09-09 Teac Corporation Vibration controlled data transfer apparatus with a double sided flexible magnetic disk
JPS60106211U (ja) * 1983-12-22 1985-07-19 アルプス電気株式会社 磁気ヘツド装置
JPH035024Y2 (fr) * 1984-11-16 1991-02-08
GB2178585B (en) * 1985-07-29 1989-09-20 Tandon Corp Storage media transducer loading/unloading and carriage lock mechanism
US4811143A (en) * 1986-03-31 1989-03-07 Kabushiki Kaisha Toshiba Head supporting mechanism for maintaining close operative relationship between magnetic heads and a flexible disk
US4819094A (en) * 1986-08-12 1989-04-04 Oberg Gary R Damped magnetic head suspension assembly
JP2611395B2 (ja) * 1988-12-03 1997-05-21 ソニー株式会社 ヘッド昇降装置
EP0508565B1 (fr) * 1991-04-10 1997-08-20 Censtor Corporation Tête résistante à l'usure pour lire et écrire avec contact sur un support magnétique
JP2979803B2 (ja) * 1991-12-11 1999-11-15 ソニー株式会社 光ディスク記録再生装置及び磁界変調ヘッド支持機構
US5491598A (en) * 1994-05-06 1996-02-13 Seagate Technology, Inc. Rotary actuator vibration damper
JPH10162532A (ja) * 1996-12-03 1998-06-19 Nitto Denko Corp 制振材及びそれを用いたヘッドサスペンション
US6046883A (en) * 1996-12-31 2000-04-04 Hutchinson Technology Incorporated Head suspension having a flexure motion limiter
US5796553A (en) * 1997-03-31 1998-08-18 Hutchinson Technology Incorporated Disk drive head suspension having gaps in the load beam which are at least partially filled with or covered by damping material
JP3612172B2 (ja) * 1997-06-05 2005-01-19 アルプス電気株式会社 磁気ヘッド装置の支持構造
US6271996B1 (en) 1997-11-10 2001-08-07 Hutchinson Technology Incorporated Damper with unconstrained surface for a disk drive head suspension
US6005750A (en) * 1997-11-12 1999-12-21 Hutchinson Technology Incorporated Head suspension including coupled flexure and damper constraint layer
US20010008475A1 (en) * 1999-09-17 2001-07-19 Nhk Spring Co., Ltd. Suspension for disc drive and manufacturing method therefor
JP4308417B2 (ja) 2000-10-30 2009-08-05 日本発條株式会社 ディスクドライブ用サスペンション
CN1221972C (zh) * 2001-02-13 2005-10-05 松下电器产业株式会社 盘装置
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
US7573680B1 (en) 2005-11-01 2009-08-11 Magnecomp Corporation Etched laminate structures for reducing track mis-registration in a disk drive suspension

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618710A (en) * 1947-08-30 1952-11-18 Armour Res Found Resilient mount for magnetic heads
US3713121A (en) * 1970-05-25 1973-01-23 Ibm Arm vibration damper
US3725884A (en) * 1970-08-20 1973-04-03 Eng Data Peripherals Corp Flying head support with damping means
US4034412A (en) * 1971-01-19 1977-07-05 Davis-Smith Corporation Magnetic transducer apparatus with damped spring action
FR2123927A5 (fr) * 1971-02-05 1972-09-15 Honeywell Bull Soc Ind
US3772666A (en) * 1972-04-03 1973-11-13 Data General Corp Interlaced magnetic heads
US3774183A (en) * 1972-06-26 1973-11-20 Applied Magnetics Corp Pivotal support assembly for a magnetic head
JPS5617745B2 (fr) * 1972-10-16 1981-04-24
US3896495A (en) * 1974-02-25 1975-07-22 Control Data Corp Mechanically isolated transducer head with spring loaded arm for flying
JPS5113567A (en) * 1974-07-25 1976-02-03 Oki Electric Ind Co Ltd Gasu deisupurei panerusochino seizohoho
US3931641A (en) * 1974-08-22 1976-01-06 International Business Machines Corporation Transducer suspension mount apparatus
US4005490A (en) * 1975-05-15 1977-01-25 Sperry Rand Corporation Magnetic disc memory
US3984872A (en) * 1975-08-01 1976-10-05 Control Data Corporation Load lever re-centering device
US4151573A (en) * 1977-06-13 1979-04-24 Tandon Magnetics Corp. Magnetic recording device for double sided media

Also Published As

Publication number Publication date
JPS5815868B2 (ja) 1983-03-28
GB2020882B (en) 1982-06-23
FR2425693A1 (fr) 1979-12-07
GB2020882A (en) 1979-11-21
DE2918046A1 (de) 1979-11-15
JPS54147820A (en) 1979-11-19
US4208684A (en) 1980-06-17
DE2918046C2 (de) 1983-05-11

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Legal Events

Date Code Title Description
ST Notification of lapse