CH517987A - Tête magnétique intégrée et procédé de fabrication de ladite tête - Google Patents

Tête magnétique intégrée et procédé de fabrication de ladite tête

Info

Publication number
CH517987A
CH517987A CH1543070A CH1543070A CH517987A CH 517987 A CH517987 A CH 517987A CH 1543070 A CH1543070 A CH 1543070A CH 1543070 A CH1543070 A CH 1543070A CH 517987 A CH517987 A CH 517987A
Authority
CH
Switzerland
Prior art keywords
head
manufacturing
integrated magnetic
magnetic head
integrated
Prior art date
Application number
CH1543070A
Other languages
English (en)
Inventor
Lazzari Jean-Pierre
Melnick Igor
Valet Jean-Yves
Original Assignee
Commissariat Energie Atomique
Cii
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 Commissariat Energie Atomique, Cii filed Critical Commissariat Energie Atomique
Publication of CH517987A publication Critical patent/CH517987A/fr

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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CH1543070A 1969-10-28 1970-10-19 Tête magnétique intégrée et procédé de fabrication de ladite tête CH517987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6936863A FR2063693A5 (fr) 1969-10-28 1969-10-28

Publications (1)

Publication Number Publication Date
CH517987A true CH517987A (fr) 1972-01-15

Family

ID=9042147

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1543070A CH517987A (fr) 1969-10-28 1970-10-19 Tête magnétique intégrée et procédé de fabrication de ladite tête

Country Status (7)

Country Link
US (1) US3723665A (fr)
JP (1) JPS4933648B1 (fr)
BE (1) BE758053A (fr)
CH (1) CH517987A (fr)
DE (1) DE2052642C2 (fr)
FR (1) FR2063693A5 (fr)
GB (1) GB1331437A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209154B1 (fr) * 1972-07-03 1975-04-11 Cii
FR2191186B1 (fr) * 1972-07-03 1976-01-16 Inf Ci Interna Fr
FR2205701B1 (fr) * 1972-11-07 1977-08-05 Cii
US3829896A (en) * 1972-11-08 1974-08-13 Ibm Bias means for batch fabricated magnetic head and method of manufacture thereof
US3908194A (en) * 1974-08-19 1975-09-23 Ibm Integrated magnetoresistive read, inductive write, batch fabricated magnetic head
US4092688A (en) * 1975-07-31 1978-05-30 Matsushita Electric Industrial Co. Ltd. Multi-track thin film magnetic head
FR2350697A1 (fr) * 1976-05-06 1977-12-02 Cii Structure perfectionnee de circuits multicouches
FR2384315A1 (fr) * 1977-03-18 1978-10-13 Cii Honeywell Bull Plate-forme comportant au moins un transducteur integre et procede de fabrication de ladite plate-forme
US4191982A (en) * 1978-07-24 1980-03-04 Magnetic Peripherals Inc. Magnetic transducing head with a turn in the gap
US4335410A (en) * 1979-01-15 1982-06-15 Magnex Corporation Thin film magnetic transducer
FR2450494A1 (fr) * 1979-02-27 1980-09-26 Cii Honeywell Bull Procede de generation d'un champ d'induction magnetique dans un milieu magnetique
FR2453463A2 (fr) * 1979-04-06 1980-10-31 Cii Honeywell Bull Procede de generation d'un champ d'induction magnetique dans un milieu magnetique
US4316227A (en) * 1979-10-09 1982-02-16 Eastman Technology, Inc. Multitrack magnetic head employing double helix structure
FR2480015A1 (fr) * 1980-04-02 1981-10-09 Cii Honeywell Bull Transducteur magnetique a entrefer de grande dimension variable pour la lecture et l'ecriture des informations contenues dans un support magnetique
US4391849A (en) * 1982-04-12 1983-07-05 Memorex Corporation Metal oxide patterns with planar surface
US4517616A (en) * 1982-04-12 1985-05-14 Memorex Corporation Thin film magnetic recording transducer having embedded pole piece design
US5059278A (en) * 1990-09-28 1991-10-22 Seagate Technology Selective chemical removal of coil seed-layer in thin film head magnetic transducer
US5754377A (en) * 1994-08-26 1998-05-19 Aiwa Research And Development, Inc. Thin film magnetic head including an elevated gap structure
US5748417A (en) * 1994-08-26 1998-05-05 Aiwa Research And Development, Inc. Thin film magnetic head including layered magnetic side poles
US5801909A (en) * 1994-08-26 1998-09-01 Aiwa Research And Development, Inc. Thin film magnetic head including durable wear layer and non-magnetic gap structures
JPH08171712A (ja) * 1994-08-26 1996-07-02 Aiwa Co Ltd 側面露出型薄膜磁気ヘッド並びにその製造方法
US5673474A (en) * 1994-08-26 1997-10-07 Aiwa Research And Development, Inc. Method of fabricating a thin film magnetic head including layered magnetic side poles
US5544774A (en) * 1994-08-26 1996-08-13 Aiwa Research And Development, Inc. Method of eliminating pole recession in a thin film magnetic head
US5909346A (en) * 1994-08-26 1999-06-01 Aiwa Research & Development, Inc. Thin magnetic film including multiple geometry gap structures on a common substrate
US5563754A (en) * 1994-08-26 1996-10-08 Aiwa Research And Development, Inc. Thin film magnetic head including a durable wear layer and gap structure
US5490028A (en) * 1994-08-26 1996-02-06 Aiwa Research And Development, Inc. Thin film magnetic head including an integral layered shield structure
US6091581A (en) * 1994-08-26 2000-07-18 Aiwa Co., Ltd. Thin film magnetic head including a separately deposited diamond-like carbon gap structure and magnetic control wells
US5621594A (en) * 1995-02-17 1997-04-15 Aiwa Research And Development, Inc. Electroplated thin film conductor coil assembly
US6069015A (en) * 1996-05-20 2000-05-30 Aiwa Research And Development, Inc. Method of fabricating thin film magnetic head including durable wear layer and non-magnetic gap structure
US7113366B1 (en) * 2002-11-07 2006-09-26 Western Digital (Fremont), Inc. Double-nosed inductive transducer with reduced off-track writing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344237A (en) * 1967-09-26 Desposited film transducing apparatus and method op producing the apparatus
US2536272A (en) * 1948-12-02 1951-01-02 Rca Corp Magnetic recording-reproducing head
CH405426A (de) * 1961-12-21 1966-01-15 Ibm Magnetkopf zum Aufzeichnen und Ablesen von digitalen Signalen
FR1400125A (fr) * 1963-09-05 1965-05-21 Ampex Tête de reproduction paramétrique
NL146311B (nl) * 1965-04-22 1975-06-16 Philips Nv Werkwijze voor het vervaardigen van een dubbelspleets-magneetkop en dubbelspleets-magneetkop volgens deze werkwijze vervaardigd.
FR1446508A (fr) * 1965-06-17 1966-07-22 Ibm Tête d'enregistrement magnétique
US3564522A (en) * 1966-12-16 1971-02-16 Data Disc Inc Transducer with thin film coil and semiconductor switching
US3549825A (en) * 1967-09-18 1970-12-22 Ncr Co Magnetic transducer with planar spiral coil extending into the gap
DE1815128A1 (de) * 1967-12-19 1969-07-24 Western Electric Co Verfahren zur Herstellung einer Duennfilm-Spulenanordnung sowie die solcherart hergestellte Anordnung
US3564558A (en) * 1968-08-26 1971-02-16 Sperry Rand Corp High-density magnetic recording scheme

Also Published As

Publication number Publication date
US3723665A (en) 1973-03-27
JPS4933648B1 (fr) 1974-09-09
DE2052642C2 (de) 1985-02-21
DE2052642A1 (de) 1971-05-06
GB1331437A (en) 1973-09-26
BE758053A (fr) 1971-04-01
FR2063693A5 (fr) 1971-07-09

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Legal Events

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PL Patent ceased