DE69218908T2 - Magnetkopf für stabilen Kontaktdruck zwischen Polspitze und Band trotz Kopfverschleiss und Bandspannungveränderung - Google Patents

Magnetkopf für stabilen Kontaktdruck zwischen Polspitze und Band trotz Kopfverschleiss und Bandspannungveränderung

Info

Publication number
DE69218908T2
DE69218908T2 DE69218908T DE69218908T DE69218908T2 DE 69218908 T2 DE69218908 T2 DE 69218908T2 DE 69218908 T DE69218908 T DE 69218908T DE 69218908 T DE69218908 T DE 69218908T DE 69218908 T2 DE69218908 T2 DE 69218908T2
Authority
DE
Germany
Prior art keywords
band
contact pressure
pole tip
stable contact
tension change
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
DE69218908T
Other languages
English (en)
Other versions
DE69218908D1 (de
Inventor
Steinar J Strand
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.)
Tandberg Data AS
Original Assignee
Tandberg Data AS
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 Tandberg Data AS filed Critical Tandberg Data AS
Application granted granted Critical
Publication of DE69218908D1 publication Critical patent/DE69218908D1/de
Publication of DE69218908T2 publication Critical patent/DE69218908T2/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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/62—Maintaining desired spacing between record carrier and 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing
    • 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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE69218908T 1992-01-06 1992-12-23 Magnetkopf für stabilen Kontaktdruck zwischen Polspitze und Band trotz Kopfverschleiss und Bandspannungveränderung Expired - Fee Related DE69218908T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81723492A 1992-01-06 1992-01-06

Publications (2)

Publication Number Publication Date
DE69218908D1 DE69218908D1 (de) 1997-05-15
DE69218908T2 true DE69218908T2 (de) 1997-07-17

Family

ID=25222637

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218908T Expired - Fee Related DE69218908T2 (de) 1992-01-06 1992-12-23 Magnetkopf für stabilen Kontaktdruck zwischen Polspitze und Band trotz Kopfverschleiss und Bandspannungveränderung

Country Status (4)

Country Link
US (1) US5781383A (de)
EP (1) EP0550890B1 (de)
JP (1) JPH05250623A (de)
DE (1) DE69218908T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09503606A (ja) * 1993-07-19 1997-04-08 クウォンタム・コーポレイション 自己調節摩耗領域を有する磁気ヘッド
JPH1139606A (ja) * 1997-07-11 1999-02-12 Sony Corp 磁気ヘッド構造及びこれを用いた磁気記録再生装置
US6018444A (en) * 1997-10-28 2000-01-25 Hewlett-Packard Company Batch fabricated servo write head having low write-gap linewidth variation
US6236537B1 (en) * 1997-10-28 2001-05-22 Hewlett-Packard Co. Wear resistant magnetic write head
US6122147A (en) * 1999-01-05 2000-09-19 Imation Corp. Negative pressure head contour in a linear tape recording system with tape deforming cavity
US6639753B1 (en) * 2000-09-01 2003-10-28 Hewlett-Packard Development Company, L.P. Method of forming a head assembly, a head assembly, and a linear tape drive
JP2003288704A (ja) * 2002-03-28 2003-10-10 Sony Corp 磁気ヘッドとその製造方法および磁気記録再生装置
US7050264B2 (en) * 2002-11-15 2006-05-23 Imation Corp. Linear magnetic tape head with tape contact area projected minimal height above non-rotating contoured head surface
US6937435B2 (en) 2003-05-16 2005-08-30 Quantum Corporation Tape head with thin support surface and method of manufacture
US7248438B2 (en) * 2003-12-15 2007-07-24 International Business Machines Corporation Compression zone recording head
US7154691B2 (en) 2003-12-18 2006-12-26 Quantum Corporation Multi-format thinfilm head and associated methods
US7271983B2 (en) 2004-09-16 2007-09-18 Quantum Corporation Magnetic head with mini-outriggers and method of manufacture
US7256963B2 (en) 2004-09-16 2007-08-14 Quantum Corporation Magnetic head with adaptive data island and mini-outrigger and methods of manufacture
US8508887B2 (en) * 2009-12-02 2013-08-13 HGST Netherlands B.V. Reducing recession by heating a magnetic tape head

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526885A (en) * 1967-08-24 1970-09-01 Ampex Raised circular segment contoured magnetic head assembly
US3983622A (en) * 1974-01-10 1976-10-05 Eastman Kodak Company Method of manufacturing magnetic record/reproduce head
JPS5834579U (ja) * 1981-08-28 1983-03-07 国産電機株式会社 磁石回転子
US4589043A (en) * 1982-08-31 1986-05-13 Grundtner Matthias J Magnetic head having a thermoplastic or a thermosetting plastic housing
JPS6366706A (ja) * 1987-09-14 1988-03-25 Hitachi Ltd 磁気ヘッド
US4839959A (en) * 1987-10-22 1989-06-20 Odetics, Inc. Method of forming a magnetic head
US4888657A (en) * 1987-12-28 1989-12-19 Eastman Kodak Company Contoured head assembly for use in a cassette loaded recorder
US4875129A (en) * 1987-12-28 1989-10-17 Eastman Kodak Co. Inline magnetic head assembly for use in a cassette loaded recorder
US4868697A (en) * 1987-12-28 1989-09-19 Eastman Kodak Company Magnetic head with constant area wear profile
US5012572A (en) * 1988-03-31 1991-05-07 Ngk Insulators, Ltd. Method for producing a head core slider
US4949208A (en) * 1988-04-13 1990-08-14 Eastman Kodak Company Multihead magnetic head assembly having a single piece faceplate of magnetic ferrite
US5031064A (en) * 1988-09-17 1991-07-09 Tokin Corporation Magnetic head having a slider member characterized by improved wear resistance
US5124866A (en) * 1990-02-01 1992-06-23 Minnesota Mining And Manufacturing Company Recording head core yoke with full length core support
JPH03286452A (ja) * 1990-03-31 1991-12-17 Sony Corp ドラム装置

Also Published As

Publication number Publication date
JPH05250623A (ja) 1993-09-28
EP0550890A3 (en) 1993-10-20
EP0550890B1 (de) 1997-04-09
DE69218908D1 (de) 1997-05-15
US5781383A (en) 1998-07-14
EP0550890A2 (de) 1993-07-14

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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