FR2004017A1 - - Google Patents

Info

Publication number
FR2004017A1
FR2004017A1 FR6907345A FR6907345A FR2004017A1 FR 2004017 A1 FR2004017 A1 FR 2004017A1 FR 6907345 A FR6907345 A FR 6907345A FR 6907345 A FR6907345 A FR 6907345A FR 2004017 A1 FR2004017 A1 FR 2004017A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6907345A
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2004017A1 publication Critical patent/FR2004017A1/fr
Withdrawn legal-status Critical Current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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • 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
    • Y10T29/49039—Fabricating head structure or component thereof including measuring or testing with dual gap materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR6907345A 1968-03-15 1969-03-14 Withdrawn FR2004017A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1685368 1968-03-15

Publications (1)

Publication Number Publication Date
FR2004017A1 true FR2004017A1 (fr) 1969-11-14

Family

ID=11927757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6907345A Withdrawn FR2004017A1 (fr) 1968-03-15 1969-03-14

Country Status (5)

Country Link
US (1) US3578920A (fr)
DE (1) DE1912835A1 (fr)
FR (1) FR2004017A1 (fr)
GB (1) GB1227704A (fr)
NL (1) NL6903999A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105137A1 (fr) * 1982-09-06 1984-04-11 Kabushiki Kaisha Toshiba Alliage amorphe résistant à la corrosion et à la fatigue ainsi qu'une méthode de préparation

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912483A (en) * 1968-09-25 1975-10-14 Matsushita Electric Ind Co Ltd Method of making a magnetic head
US3795954A (en) * 1971-11-26 1974-03-12 Honeywell Inf Systems Method of making a micro-gap magnetic recording head
US3886025A (en) * 1972-08-24 1975-05-27 Ibm Ferrite head
JPS5345221A (en) * 1976-10-05 1978-04-22 Pioneer Electronic Corp Magnetic head
JPS5827565B2 (ja) * 1977-09-19 1983-06-10 松下電器産業株式会社 磁気ヘッドおよびその製造方法
US4325093A (en) * 1979-06-04 1982-04-13 Texas Instruments Incorporated Magnetic head transducer having enhanced signal output and manufacturing method therefor
US4482418A (en) * 1983-08-17 1984-11-13 International Business Machines Corporation Bonding method for producing very thin bond lines
JPS61126606A (ja) * 1984-11-22 1986-06-14 Alps Electric Co Ltd 垂直磁気記録用磁気ヘツド
US4652954A (en) * 1985-10-24 1987-03-24 International Business Machines Method for making a thin film magnetic head
US5113299A (en) * 1989-07-24 1992-05-12 Pioneer Electronic Corporation Magnetic head with improved bonding between magnetic core halves
US6312831B1 (en) * 1999-04-30 2001-11-06 Visteon Global Technologies, Inc. Highly reflective, durable titanium/tin oxide films

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL123062C (fr) * 1962-05-04
NL148025B (nl) * 1964-04-22 1975-12-15 Philips Nv Poolschoeneenheid voor een magnegrafoonkop voorzien van een lichaam bestaande uit gesinterd oxydisch ferromagnetisch materiaal dat verbonden is met een lichaam bestaande uit niet-magnetiseerbaar materiaal, alsmede magnegrafoonkop die een dergelijke poolschoeneenheid bevat.
US3412217A (en) * 1965-01-27 1968-11-19 Bygdnes Perry Alan Recorder head with electrically conductive filler wedge
US3458926A (en) * 1965-10-08 1969-08-05 Ibm Method of forming a glass filled gap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105137A1 (fr) * 1982-09-06 1984-04-11 Kabushiki Kaisha Toshiba Alliage amorphe résistant à la corrosion et à la fatigue ainsi qu'une méthode de préparation

Also Published As

Publication number Publication date
DE1912835A1 (de) 1969-10-16
US3578920A (en) 1971-05-18
NL6903999A (fr) 1969-09-17
GB1227704A (fr) 1971-04-07

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Legal Events

Date Code Title Description
ST Notification of lapse