FR2097960A5 - - Google Patents

Info

Publication number
FR2097960A5
FR2097960A5 FR7122136A FR7122136A FR2097960A5 FR 2097960 A5 FR2097960 A5 FR 2097960A5 FR 7122136 A FR7122136 A FR 7122136A FR 7122136 A FR7122136 A FR 7122136A FR 2097960 A5 FR2097960 A5 FR 2097960A5
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.)
Expired
Application number
FR7122136A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2097960A5 publication Critical patent/FR2097960A5/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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • 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
    • G11B5/23—Gap features
    • G11B5/235—Selection of material for gap filler
    • 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
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49057—Using glass bonding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR7122136A 1970-07-02 1971-06-15 Expired FR2097960A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5192870A 1970-07-02 1970-07-02

Publications (1)

Publication Number Publication Date
FR2097960A5 true FR2097960A5 (fr) 1972-03-03

Family

ID=21974268

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7122136A Expired FR2097960A5 (fr) 1970-07-02 1971-06-15

Country Status (7)

Country Link
US (1) US3639701A (fr)
JP (1) JPS5139100B1 (fr)
CA (1) CA936958A (fr)
DE (1) DE2125816A1 (fr)
FR (1) FR2097960A5 (fr)
GB (1) GB1342035A (fr)
SE (1) SE366414B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284159A1 (fr) * 1974-09-06 1976-04-02 Thomson Csf Methode de fabrication de tetes magnetiques de lecture, d'ecriture et d'effacement pour memoires a support defilant, et tete obtenue par ladite methode

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824685A (en) * 1972-02-14 1974-07-23 Bell & Howell Co Method of making a ferrite head
JPS5410852B2 (fr) * 1973-08-07 1979-05-10
JPS5427132B2 (fr) * 1974-02-21 1979-09-07
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
US4219853A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Read/write thin film head
US4406722A (en) * 1982-05-03 1983-09-27 International Business Machines Corp. Diffusion bonding of dissimilar ceramics
JPS60187910A (ja) * 1984-03-06 1985-09-25 Matsushita Electric Ind Co Ltd 合金磁気ヘツドのギヤツプ形成法
JPS61133007A (ja) * 1984-12-01 1986-06-20 Victor Co Of Japan Ltd 磁気ヘツド
JPS61233405A (ja) * 1985-04-08 1986-10-17 Matsushita Electric Ind Co Ltd 磁気ヘツド
US4874922A (en) * 1988-11-30 1989-10-17 Impris Technology Incorporated Granule vise for manufacturing a magnetic head core with a glass fillet adjacent the inner edge of the gap

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL299035A (fr) * 1963-10-09
US3495045A (en) * 1964-08-18 1970-02-10 Peter F Varadi Magnetic transducer head having a ceramic gap spacer
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.
US3478340A (en) * 1966-03-11 1969-11-11 Ibm Unitized magnetic assembly
US3479738A (en) * 1967-05-23 1969-11-25 Rca Corp Magnetic heads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2284159A1 (fr) * 1974-09-06 1976-04-02 Thomson Csf Methode de fabrication de tetes magnetiques de lecture, d'ecriture et d'effacement pour memoires a support defilant, et tete obtenue par ladite methode

Also Published As

Publication number Publication date
CA936958A (en) 1973-11-13
US3639701A (en) 1972-02-01
DE2125816A1 (de) 1972-01-05
JPS5139100B1 (fr) 1976-10-26
SE366414B (fr) 1974-04-22
GB1342035A (en) 1973-12-25

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Legal Events

Date Code Title Description
ST Notification of lapse