HK1031026A1 - Wear resistant magnetic write head - Google Patents

Wear resistant magnetic write head

Info

Publication number
HK1031026A1
HK1031026A1 HK01101799A HK01101799A HK1031026A1 HK 1031026 A1 HK1031026 A1 HK 1031026A1 HK 01101799 A HK01101799 A HK 01101799A HK 01101799 A HK01101799 A HK 01101799A HK 1031026 A1 HK1031026 A1 HK 1031026A1
Authority
HK
Hong Kong
Prior art keywords
write head
wear resistant
magnetic write
resistant magnetic
wear
Prior art date
Application number
HK01101799A
Other languages
English (en)
Inventor
Paul W Poorman
Stephan Howe
Patricia A Beck
George M Clifford
Richard H Henze
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of HK1031026A1 publication Critical patent/HK1031026A1/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/584Disposition 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 for track following on tapes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, 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
    • G11B15/60Guiding record carrier
    • G11B15/62Maintaining desired spacing between record carrier and head
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/488Disposition of heads
    • G11B5/4893Disposition of heads relative to moving tape
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/581Disposition 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 maintaining desired contact or spacing by direct interaction of forces generated between heads or supports thereof and record carriers or supports thereof, e.g. attraction-repulsion interactions

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
HK01101799A 1999-05-18 2001-03-13 Wear resistant magnetic write head HK1031026A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/313,889 US6236537B1 (en) 1997-10-28 1999-05-18 Wear resistant magnetic write head

Publications (1)

Publication Number Publication Date
HK1031026A1 true HK1031026A1 (en) 2001-05-25

Family

ID=23217603

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01101799A HK1031026A1 (en) 1999-05-18 2001-03-13 Wear resistant magnetic write head

Country Status (4)

Country Link
US (2) US6236537B1 (ja)
JP (2) JP2000339619A (ja)
GB (1) GB2353136B (ja)
HK (1) HK1031026A1 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3755633B2 (ja) * 1998-08-12 2006-03-15 富士写真フイルム株式会社 磁気テープカートリッジ
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
US20030235011A1 (en) * 2002-06-21 2003-12-25 O-Mass As Head used in combination with wide tape media
US6947256B2 (en) * 2003-01-29 2005-09-20 International Business Machines Corporation Embedded wire planar write head system and method
US7006329B2 (en) * 2003-06-02 2006-02-28 Imation Corp. Magnetic tape head assembly with laterally moveable central section
US6874720B2 (en) * 2003-06-02 2005-04-05 Imation Corp. Data storage tape cartridge with subambient pressure feature
US7548397B2 (en) * 2005-11-16 2009-06-16 International Business Machines Corporation Magnetic reader with piggybacked fence
JP5685045B2 (ja) * 2010-01-22 2015-03-18 富士フイルム株式会社 サーボライトヘッド、サーボライタおよびサーボ信号が書き込まれた磁気テープの製造方法
JP5658512B2 (ja) * 2010-08-31 2015-01-28 富士フイルム株式会社 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ
US8611044B2 (en) 2011-06-02 2013-12-17 International Business Machines Corporation Magnetic head having separate protection for read transducers and write transducers
US8724250B2 (en) 2012-04-03 2014-05-13 Hewlett-Packard Development Company, L.P. Reading magnetic tape
US8837082B2 (en) 2012-04-27 2014-09-16 International Business Machines Corporation Magnetic recording head having quilted-type coating
US9036297B2 (en) 2012-08-31 2015-05-19 International Business Machines Corporation Magnetic recording head having protected reader sensors and near zero recession writer poles
US8780496B2 (en) 2012-09-21 2014-07-15 International Business Machines Corporation Device such as magnetic head having hardened dielectric portions
US9001464B2 (en) * 2013-08-22 2015-04-07 Oracle International Corporation Read/write head with improved contact
JP7377182B2 (ja) * 2020-09-25 2023-11-09 富士フイルム株式会社 磁気記録ヘッドおよびその製造方法、磁気記録装置ならびに磁気記録媒体の製造方法
US11682419B2 (en) 2021-08-13 2023-06-20 Western Digital Technologies, Inc. Magnetic head with assisted magnetic recording

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737582A (en) 1968-05-02 1973-06-05 Minnesota Mining & Mfg Flat magnetic heads
FR2362465A1 (fr) 1976-08-16 1978-03-17 Matsushita Electric Ind Co Ltd Tete magnetique et procede pour sa fabrication
DE3421083A1 (de) * 1983-06-09 1984-12-13 Alps Electric Co., Ltd., Tokio/Tokyo Magnetkopf zur vertikalaufzeichnung
US4638387A (en) 1983-12-05 1987-01-20 Alps Electric Co., Ltd. Composition for sliding contact part of recording/reproducing apparatus
JPS60182006A (ja) * 1984-02-29 1985-09-17 Victor Co Of Japan Ltd 磁気ヘツド
JPS6379202A (ja) 1986-06-05 1988-04-09 Nec Home Electronics Ltd リング型磁気ヘツドおよびその製造方法
US5031064A (en) 1988-09-17 1991-07-09 Tokin Corporation Magnetic head having a slider member characterized by improved wear resistance
US5055959A (en) 1990-01-09 1991-10-08 Digital Equipment Corporation Tape head with low spacing loss produced by narrow and wide wear regions
EP0550890B1 (en) * 1992-01-06 1997-04-09 Tandberg Data A/S Magnetic head for stable pole tip to tape contact pressure despite head wear and tape tension variation
US6031694A (en) * 1994-02-28 2000-02-29 Hitachi, Ltd. Magnetic head with protective film comprising amorphous CaMgSi2 b. O.su6, Mg2 SiO4 and/or MgAl2 O4
ES2112169B1 (es) * 1994-07-13 1998-10-16 Sansung Electronics Co Ltd Metodo de fabricacion de un cabezal magnetico.
US5684661A (en) 1995-04-13 1997-11-04 Eastman Kodak Company Magnetic head assembly and method for reading and/or writing data onto a thin magnetic layer placed on a photographic element
KR970002883A (ko) 1995-06-30 1997-01-28 배순훈 자기헤드 및 그 제조 방법
US6118626A (en) * 1997-03-11 2000-09-12 Massachusetts Institute Of Technology Contact sheet recording with a self-acting negative air bearing
EP1034534A1 (en) * 1998-07-13 2000-09-13 Koninklijke Philips Electronics N.V. Method of manufacturing a thin-film magnetic head

Also Published As

Publication number Publication date
JP2000339619A (ja) 2000-12-08
US6236537B1 (en) 2001-05-22
GB2353136B (en) 2003-08-06
US20010019464A1 (en) 2001-09-06
GB2353136A (en) 2001-02-14
JP2004005960A (ja) 2004-01-08
GB0011815D0 (en) 2000-07-05
US6373656B2 (en) 2002-04-16

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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: 20110516