ES2039592T3 - Cabeza magnetica. - Google Patents

Cabeza magnetica.

Info

Publication number
ES2039592T3
ES2039592T3 ES198888201567T ES88201567T ES2039592T3 ES 2039592 T3 ES2039592 T3 ES 2039592T3 ES 198888201567 T ES198888201567 T ES 198888201567T ES 88201567 T ES88201567 T ES 88201567T ES 2039592 T3 ES2039592 T3 ES 2039592T3
Authority
ES
Spain
Prior art keywords
magnetic head
filling ingredient
less
shows
cushioning material
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 - Lifetime
Application number
ES198888201567T
Other languages
English (en)
Inventor
Wolfgang Tuma
Ulrich Traxlmayr
Walter Kodym
Jean Hubertus Josef Lorteije
Roeland Den Bakker
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of ES2039592T3 publication Critical patent/ES2039592T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/23—Gap features
    • G11B5/235—Selection of material for gap filler
    • 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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

CABEZAL MAGNETICO (2), QUE MUESTRA DOS PIEZAS DE NUCLEO (3, 4) UNIDAS UNA CON LA OTRA, EN FORMA DE PLATITOS, SE MONTA UN MATERIAL DE AMORTIGUACION (19) AL MENOS PARCIALMENTE EN UNA DE SUS AMBAS SUPERFICIES LATERALES (7, 8), QUE CONSTA DE UNA RESINA SINTETICA RELLENA DE MENOS DE 30 VOL% DE INGREDIENTE DE RELLENO, DONDE EL INGREDIENTE DE RELLENO MUESTRA UN GROSOR MAS GRANDE QUE 10 X 10 3 KG/M3, LA PORCION DE PESO DEL INGREDIENTE DE RELLENO LLEVA AL MENOS UN 74% DE PESO Y DEL GROSOR DEL MATERIAL DE AMORTIGUACION ES MAS GRANDE QUE 4 X 10 3 KG/M3 Y SU MODULO DE ELASTICIDAD ESTA EN EL CAMPO ENTRE 10 7 Y 10 9 PA.
ES198888201567T 1987-07-30 1988-07-20 Cabeza magnetica. Expired - Lifetime ES2039592T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0193487A AT388822B (de) 1987-07-30 1987-07-30 Magnetkopf

Publications (1)

Publication Number Publication Date
ES2039592T3 true ES2039592T3 (es) 1993-10-01

Family

ID=3524182

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888201567T Expired - Lifetime ES2039592T3 (es) 1987-07-30 1988-07-20 Cabeza magnetica.

Country Status (8)

Country Link
US (1) US4905111A (es)
EP (1) EP0301654B1 (es)
JP (2) JPS6453306A (es)
KR (1) KR970002826B1 (es)
AT (1) AT388822B (es)
CZ (1) CZ282931B6 (es)
DE (1) DE3879799D1 (es)
ES (1) ES2039592T3 (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01251468A (ja) * 1988-03-31 1989-10-06 Toshiba Corp 磁気ディスク装置
US5231554A (en) * 1990-03-13 1993-07-27 Hitachi Metals, Ltd. Floating magnetic head having low noise level
US5187625A (en) * 1991-01-22 1993-02-16 Hutchinson Technology Incorporated Laminated load beam
US5270888A (en) * 1992-02-21 1993-12-14 Applied Magnetics Corporation Composite slider head with reduced readback oscillation
JPH07240016A (ja) * 1994-02-24 1995-09-12 Sony Corp 磁気ヘッド及び磁気ヘッドの製造方法
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
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
US6535353B2 (en) * 1998-03-20 2003-03-18 Seagate Technology Llc Capped polymeric load/unload pads
US6556383B2 (en) 1998-11-18 2003-04-29 Seagate Technology Llc Disc drive anti-shock suspension cushions
JP4614555B2 (ja) * 2001-02-22 2011-01-19 Ｎｏｋ株式会社 ハードディスク駆動装置のラッチ機構
JP3851815B2 (ja) * 2001-12-28 2006-11-29 アルプス電気株式会社 磁気ヘッド装置
US7480120B2 (en) * 2005-04-12 2009-01-20 Hitachi Global Storage Technologies Netherlands B.V. Apparatus and method for damping slider-gimbal coupled vibration of a hard disk drive
JP5847165B2 (ja) * 2011-04-22 2016-01-20 三菱電機株式会社 半導体装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645068Y2 (es) * 1975-05-30 1981-10-21
JPS6125071Y2 (es) * 1978-03-03 1986-07-28
JPS5584021A (en) * 1978-12-19 1980-06-24 Matsushita Electric Ind Co Ltd Magnetic head
JPS5760254A (en) * 1980-09-29 1982-04-12 Satake Eng Co Ltd Grain moisture measuring apparatus
DE3167267D1 (en) * 1981-03-18 1985-01-03 Ibm Head support arm and head/arm assemblies for disk files
US4528652A (en) * 1981-12-30 1985-07-09 General Electric Company Ultrasonic transducer and attenuating material for use therein
JPS59112413A (ja) * 1982-12-17 1984-06-28 Akai Electric Co Ltd 磁気ヘツド
JPS6079512A (ja) * 1983-10-04 1985-05-07 Fuji Photo Film Co Ltd 磁気記録再生装置
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
JPS6185608A (ja) * 1984-10-02 1986-05-01 Fuji Photo Film Co Ltd 磁気記録再生装置

Also Published As

Publication number Publication date
KR890002824A (ko) 1989-04-11
EP0301654A3 (en) 1989-10-18
AT388822B (de) 1989-09-11
CZ282931B6 (cs) 1997-11-12
CS8805328A2 (en) 1991-08-13
EP0301654A2 (de) 1989-02-01
JPS6453306A (en) 1989-03-01
KR970002826B1 (en) 1997-03-12
ATA193487A (de) 1989-01-15
US4905111A (en) 1990-02-27
DE3879799D1 (de) 1993-05-06
JPH10271U (ja) 1998-11-17
EP0301654B1 (de) 1993-03-31

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