DE3884371D1 - Dünnfilm-schreib-/lese-solenoidkopf für computer-massenspeichervorrichtung und herstellungsverfahren desselben. - Google Patents

Dünnfilm-schreib-/lese-solenoidkopf für computer-massenspeichervorrichtung und herstellungsverfahren desselben.

Info

Publication number
DE3884371D1
DE3884371D1 DE88906502T DE3884371T DE3884371D1 DE 3884371 D1 DE3884371 D1 DE 3884371D1 DE 88906502 T DE88906502 T DE 88906502T DE 3884371 T DE3884371 T DE 3884371T DE 3884371 D1 DE3884371 D1 DE 3884371D1
Authority
DE
Germany
Prior art keywords
reading
manufacturing
thin film
storage device
mass storage
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
DE88906502T
Other languages
English (en)
Other versions
DE3884371T2 (de
Inventor
Shyam Das
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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 Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of DE3884371D1 publication Critical patent/DE3884371D1/de
Publication of DE3884371T2 publication Critical patent/DE3884371T2/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
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49043—Depositing magnetic layer or coating
    • Y10T29/49044—Plural magnetic deposition layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/4906—Providing winding
    • Y10T29/49064—Providing winding by coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
DE88906502T 1987-07-01 1988-07-01 Dünnfilm-schreib-/lese-solenoidkopf für computer-massenspeichervorrichtung und herstellungsverfahren desselben. Expired - Fee Related DE3884371T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/069,408 US4985985A (en) 1987-07-01 1987-07-01 Solenoidal thin film read/write head for computer mass storage device and method of making same
PCT/US1988/002243 WO1989000327A1 (en) 1987-07-01 1988-07-01 Solenoidal thin film read/write head for computer mass storage device and method of making same

Publications (2)

Publication Number Publication Date
DE3884371D1 true DE3884371D1 (de) 1993-10-28
DE3884371T2 DE3884371T2 (de) 1994-03-31

Family

ID=22088791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88906502T Expired - Fee Related DE3884371T2 (de) 1987-07-01 1988-07-01 Dünnfilm-schreib-/lese-solenoidkopf für computer-massenspeichervorrichtung und herstellungsverfahren desselben.

Country Status (6)

Country Link
US (1) US4985985A (de)
EP (1) EP0324005B1 (de)
JP (1) JPH01502376A (de)
CA (1) CA1312948C (de)
DE (1) DE3884371T2 (de)
WO (1) WO1989000327A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030744B4 (de) * 2007-07-02 2012-03-22 Siemens Audiologische Technik Gmbh Akustischer Aktor und Verfahren zu dessen Herstellung

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4907113A (en) * 1987-07-29 1990-03-06 Digital Equipment Corporation Three-pole magnetic recording head
US4993746A (en) * 1989-09-05 1991-02-19 Ford Motor Company Locking frictional D-ring
US5041932A (en) * 1989-11-27 1991-08-20 Censtor Corp. Integrated magnetic read/write head/flexure/conductor structure
US5116719A (en) * 1990-02-15 1992-05-26 Seagate Technology, Inc. Top pole profile for pole tip trimming
US5778514A (en) * 1993-01-06 1998-07-14 Das Devices, Inc. Method for forming a transducing head
US5621594A (en) * 1995-02-17 1997-04-15 Aiwa Research And Development, Inc. Electroplated thin film conductor coil assembly
FR2750787B1 (fr) * 1996-07-05 1998-11-13 Thomson Csf Tete magnetique matricielle d'enregistrement/lecture et procede de realisation
US5798897A (en) * 1996-10-21 1998-08-25 International Business Machines Corporation Inductive write head with insulation stack configured for eliminating reflective notching
US5805391A (en) * 1996-10-28 1998-09-08 International Business Machines Corporation Write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height
US6819527B1 (en) * 2000-03-23 2004-11-16 Hitachi Global Storage Technologies, Inc. Magnetic head with lower coil traces connected to integrally formed vertical interconnects and upper coil traces through plural insulating layer arrangement
JP3944138B2 (ja) * 2003-03-07 2007-07-11 アルプス電気株式会社 薄膜磁気ヘッド
US6987645B2 (en) * 2003-04-01 2006-01-17 Sae Magnetics (H.K.) Ltd. Thin-film magnetic head and method of manufacturing same, and thin-film magnetic head substructure
US7248433B1 (en) * 2004-02-02 2007-07-24 Western Digital (Fremont), Inc. Magnetic head with stitched top pole layer and single layer coil or solenoidal coil
JP2007149293A (ja) * 2005-11-30 2007-06-14 Alps Electric Co Ltd 薄膜磁気ヘッド
US8064160B2 (en) * 2007-07-30 2011-11-22 Tdk Corporation Magnetic head for perpendicular magnetic recording with coil wound around pole layer
US8547659B1 (en) 2011-05-09 2013-10-01 Western Digital (Fremont), Llc System for providing a transducer having a main coil and an additional coil separated from the main pole by a write shield
US8514517B1 (en) 2011-06-30 2013-08-20 Western Digital (Fremont), Llc Systems and methods for providing hybrid coils for magnetic write heads

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1107655A (fr) * 1954-06-23 1956-01-04 Servomecanismes Electroniques Perfectionnements aux systèmes de régulation des turbines
DE1614792A1 (de) * 1967-03-23 1970-12-23 Telefunken Patent In Duenn-oder Dickfilmtechnik hergestellte Spule
US3662119A (en) * 1970-06-30 1972-05-09 Ibm Thin film magnetic transducer head
US3903586A (en) * 1970-10-12 1975-09-09 Pacific Magnetic Structures In Method of making laminated magnetic material
DE2857725C2 (de) * 1977-12-13 1984-10-11 Fujitsu Ltd., Kawasaki, Kanagawa Verfahren zum Herstellen einer Dünnschichtspule
JPS5545192A (en) * 1978-09-28 1980-03-29 Seiko Epson Corp Integrated head
US4251910A (en) * 1979-03-23 1981-02-24 Spin Physics, Inc. Method of making multitrack magnetic heads
US4511942A (en) * 1982-05-07 1985-04-16 Computer & Communications Technology Corp. Automatic throat height control for film heads
JPS59119522A (ja) * 1982-12-27 1984-07-10 Seiko Epson Corp 磁気記録装置
DE3330075A1 (de) * 1983-08-19 1985-02-28 Siemens AG, 1000 Berlin und 8000 München Schreib-/lese-magnetkopf fuer ein senkrecht zu magnetisierendes aufzeichnungsmedium
JPS6066312A (ja) * 1983-09-20 1985-04-16 Seiko Epson Corp 薄膜ヘッドの製造方法
DE3346885A1 (de) * 1983-12-23 1985-07-11 Siemens AG, 1000 Berlin und 8000 München Duennschicht-magnetkopf fuer ein senkrecht zu magnetisierendes aufzeichnungsmedium
FR2559292A1 (fr) * 1984-02-03 1985-08-09 Commissariat Energie Atomique Bobinage pour tete magnetique d'enregistrement en couche mince et son procede de realisation
FR2559293B1 (fr) * 1984-02-03 1988-09-09 Commissariat Energie Atomique Nouvelle tete magnetique d'ecriture et de lecture pour enregistrement magnetique et son procede de fabrication
EP0166890B1 (de) * 1984-05-04 1988-12-14 Siemens Aktiengesellschaft Dünnschicht-Magnetkopf mit einem Doppelspalt für ein senkrecht zur magnetisierendes Aufzeichnungsmedium
DE3501810A1 (de) * 1985-01-21 1986-07-24 Siemens AG, 1000 Berlin und 8000 München Duennschicht-magnetkopf mit einem doppelspalt fuer ein senkrecht zu magnetisierendes aufzeichnungsmedium
EP0164564A1 (de) * 1984-05-18 1985-12-18 Siemens Aktiengesellschaft Anordnung zur Sacklocherzeugung in einem laminierten Aufbau
JPS60247815A (ja) * 1984-05-22 1985-12-07 Fujitsu Ltd 垂直磁化記録用薄膜ヘツドの製造方法
JPS6195792A (ja) * 1984-10-17 1986-05-14 Hitachi Ltd 印刷配線板の製造方法
US4644432A (en) * 1985-01-28 1987-02-17 International Business Machines Three pole single element magnetic read/write head
JPH0664712B2 (ja) * 1985-02-18 1994-08-22 ソニー株式会社 薄膜磁気ヘツドの製造方法
DE3513431A1 (de) * 1985-04-15 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung mindestens eines magnetkopfes in duennfilmtechnik
JPS61284814A (ja) * 1985-06-11 1986-12-15 Canon Inc 薄膜磁気ヘツド

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030744B4 (de) * 2007-07-02 2012-03-22 Siemens Audiologische Technik Gmbh Akustischer Aktor und Verfahren zu dessen Herstellung

Also Published As

Publication number Publication date
DE3884371T2 (de) 1994-03-31
WO1989000327A1 (en) 1989-01-12
EP0324005B1 (de) 1993-09-22
JPH01502376A (ja) 1989-08-17
US4985985A (en) 1991-01-22
CA1312948C (en) 1993-01-19
EP0324005A1 (de) 1989-07-19

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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