FR2510290B1 - Tete magnetique a couche mince et procede de fabrication d'une telle tete magnetique - Google Patents

Tete magnetique a couche mince et procede de fabrication d'une telle tete magnetique

Info

Publication number
FR2510290B1
FR2510290B1 FR8212657A FR8212657A FR2510290B1 FR 2510290 B1 FR2510290 B1 FR 2510290B1 FR 8212657 A FR8212657 A FR 8212657A FR 8212657 A FR8212657 A FR 8212657A FR 2510290 B1 FR2510290 B1 FR 2510290B1
Authority
FR
France
Prior art keywords
magnetic head
manufacturing
thin film
film magnetic
head
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
Application number
FR8212657A
Other languages
English (en)
Other versions
FR2510290A1 (fr
Inventor
Isamu Yuito
Kazuo Shiiki
Atsushi Saiki
Yoshio Homma
Noriyuki Kumasaka
Yoshihiro Shiroishi
Mitsuhiro Kudo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2510290A1 publication Critical patent/FR2510290A1/fr
Application granted granted Critical
Publication of FR2510290B1 publication Critical patent/FR2510290B1/fr
Expired 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • 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
    • G11B5/17—Construction or disposition of windings
    • 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)
FR8212657A 1981-07-27 1982-07-20 Tete magnetique a couche mince et procede de fabrication d'une telle tete magnetique Expired FR2510290B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56116403A JPS5819716A (ja) 1981-07-27 1981-07-27 薄膜磁気ヘツドおよびその製造方法

Publications (2)

Publication Number Publication Date
FR2510290A1 FR2510290A1 (fr) 1983-01-28
FR2510290B1 true FR2510290B1 (fr) 1988-12-16

Family

ID=14686179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8212657A Expired FR2510290B1 (fr) 1981-07-27 1982-07-20 Tete magnetique a couche mince et procede de fabrication d'une telle tete magnetique

Country Status (3)

Country Link
US (1) US4539616A (fr)
JP (1) JPS5819716A (fr)
FR (1) FR2510290B1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212615A (ja) * 1982-06-04 1983-12-10 Hitachi Ltd 薄膜磁気ヘツド
JPS5998316A (ja) * 1982-11-26 1984-06-06 Sharp Corp 薄膜磁気ヘツドの製造方法
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
EP0186032B1 (fr) * 1984-12-21 1989-05-24 Siemens Aktiengesellschaft Tête magnétique à film mince pour un milieu d'enregistrement à magnétiser perpendiculairement
JP2588392B2 (ja) * 1986-10-30 1997-03-05 株式会社日立製作所 薄膜磁気ヘツドの製造方法
CA2011927C (fr) * 1989-06-02 1996-12-24 Alan Lee Sidman Methode microlithographique de fabrication de masques de resine photosensible epais a parois verticales
US4933209A (en) * 1989-06-28 1990-06-12 Hewlett-Packard Company Method of making a thin film recording head apparatus utilizing polyimide films
US5379172A (en) * 1990-09-19 1995-01-03 Seagate Technology, Inc. Laminated leg for thin film magnetic transducer
US5059278A (en) * 1990-09-28 1991-10-22 Seagate Technology Selective chemical removal of coil seed-layer in thin film head magnetic transducer
JPH06215329A (ja) * 1992-11-18 1994-08-05 Mitsumi Electric Co Ltd 微細導電パターンの形成方法
US5703740A (en) * 1995-08-24 1997-12-30 Velocidata, Inc. Toroidal thin film head
US6195232B1 (en) 1995-08-24 2001-02-27 Torohead, Inc. Low-noise toroidal thin film head with solenoidal coil
US6181514B1 (en) * 1998-12-04 2001-01-30 International Business Machines Corporation Scaled write head with high recording density and high data rate
US6570739B2 (en) * 2000-02-10 2003-05-27 International Business Machines Corporation Magnetic head having write head element with high aspect ratio coil
US6932933B2 (en) * 2001-03-30 2005-08-23 The Aerospace Corporation Ultraviolet method of embedding structures in photocerams
US6901653B2 (en) * 2002-04-02 2005-06-07 Hitachi Global Storage Technologies Netherlands B.V. Process for manufacturing a magnetic head coil structure
US7275306B2 (en) * 2003-12-12 2007-10-02 Hitachi Global Storage Technologies Netherlands B.V. Damascene method for forming write coils of magnetic heads
US7468033B2 (en) * 2004-09-08 2008-12-23 Medtronic Minimed, Inc. Blood contacting sensor
US20100290157A1 (en) * 2009-05-14 2010-11-18 Western Digital (Fremont), Llc Damascene coil processes and structures
US8629053B2 (en) * 2010-06-18 2014-01-14 Taiwan Semiconductor Manufacturing Company, Ltd. Plasma treatment for semiconductor devices
US9257647B2 (en) * 2013-03-14 2016-02-09 Northrop Grumman Systems Corporation Phase change material switch and method of making the same
US9245545B1 (en) 2013-04-12 2016-01-26 Wester Digital (Fremont), Llc Short yoke length coils for magnetic heads in disk drives
WO2017022822A1 (fr) * 2015-08-06 2017-02-09 三菱瓦斯化学株式会社 Lubrifiant de coupe auxiliaire et procédé de coupe
US10700270B2 (en) 2016-06-21 2020-06-30 Northrop Grumman Systems Corporation PCM switch and method of making the same
US20180033550A1 (en) * 2016-07-27 2018-02-01 Samsung Electro-Mechanics Co., Ltd. Coil component and method for manufacturing same
US11546010B2 (en) 2021-02-16 2023-01-03 Northrop Grumman Systems Corporation Hybrid high-speed and high-performance switch system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059198B (de) * 1956-04-30 1959-06-11 Licentia Gmbh Mehrfachschreibkopf fuer magnetische Aufzeichnungen nach dem Grenzlinien-verschiebungsverfahren
GB882779A (en) * 1959-07-29 1961-11-22 Nat Res Dev Improvements in or relating to multi-track magnetic heads
GB993843A (en) * 1960-11-17 1965-06-02 Emi Ltd Improvements in or relating to multitrack magnetic transducing heads
FR2209216B1 (fr) * 1972-11-30 1977-09-30 Ibm
JPS5228307A (en) * 1975-08-28 1977-03-03 Toshiba Corp Thin layer head
NL7709481A (nl) * 1977-08-29 1979-03-02 Philips Nv Werkwijze voor het vervaardigen van een dunne film magneetkop en dunne film magneetkop ver- vaardigd met behulp van de werkwijze.
JPS54104812A (en) * 1978-02-03 1979-08-17 Matsushita Electric Ind Co Ltd Thin film magnetic head and production of the same
JPS54157613A (en) * 1978-06-02 1979-12-12 Fujitsu Ltd Magnetic head
JPS5562523A (en) * 1978-11-06 1980-05-12 Fujitsu Ltd Thin film magnetic head
US4219855A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Thin film magnetic head
US4190872A (en) * 1978-12-21 1980-02-26 International Business Machines Corporation Thin film inductive transducer
EP0032230A3 (fr) * 1980-01-14 1982-01-13 Siemens Aktiengesellschaft Transducteur magnétique intégré et procédé pour sa fabrication
JPS5760522A (en) * 1980-09-26 1982-04-12 Fujitsu Ltd Thin film magnetic head

Also Published As

Publication number Publication date
JPH0544087B2 (fr) 1993-07-05
JPS5819716A (ja) 1983-02-04
FR2510290A1 (fr) 1983-01-28
US4539616A (en) 1985-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse