GB1342035A - Magnetic transducer and method for making same - Google Patents

Magnetic transducer and method for making same

Info

Publication number
GB1342035A
GB1342035A GB1781271A GB1781271A GB1342035A GB 1342035 A GB1342035 A GB 1342035A GB 1781271 A GB1781271 A GB 1781271A GB 1781271 A GB1781271 A GB 1781271A GB 1342035 A GB1342035 A GB 1342035A
Authority
GB
United Kingdom
Prior art keywords
magnetic ferrite
making same
magnetic transducer
magnetic
sandwiched
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
GB1781271A
Other languages
English (en)
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
Publication of GB1342035A publication Critical patent/GB1342035A/en
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)
GB1781271A 1970-07-02 1971-05-28 Magnetic transducer and method for making same Expired GB1342035A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1342035A true GB1342035A (en) 1973-12-25

Family

ID=21974268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1781271A Expired GB1342035A (en) 1970-07-02 1971-05-28 Magnetic transducer and method for making same

Country Status (7)

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

Families Citing this family (11)

* 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 (enExample) * 1973-08-07 1979-05-10
JPS5427132B2 (enExample) * 1974-02-21 1979-09-07
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
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 (enExample) * 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

Also Published As

Publication number Publication date
US3639701A (en) 1972-02-01
DE2125816A1 (de) 1972-01-05
SE366414B (enExample) 1974-04-22
CA936958A (en) 1973-11-13
FR2097960A5 (enExample) 1972-03-03
JPS5139100B1 (enExample) 1976-10-26

Similar Documents

Publication Publication Date Title
GB1458539A (en) Mangetoresistive transducer head
GB1422509A (en) Magnetic transducer assembly
GB1481939A (en) Magnetic head assembly
GB1342035A (en) Magnetic transducer and method for making same
GB1456070A (en) Magnetoresistive transducer assembly
GB1307587A (en) Multiple transducing element magnetic heads
GB1250427A (enExample)
GB1388734A (en) Single crystal magnetic transducer heads
ES420322A1 (es) Perfeccionamientos en transductores magneticos realizados en capas delgadas.
GB1226598A (enExample)
GB938095A (en) Information storage devices and method of making same
GB1413229A (en) Magnetic transducer apparatus
GB1274115A (en) Magnetic transducer assembly and method of making such an assembly
GB1292945A (en) Magnetic head assembly and method of making the same
GB795617A (en) Improved magnetic tape recording and reproducing system and apparatus
GB915415A (en) Magnetic transducer head
GB1307608A (en) Multi-track dual-gap magnetic head assembly
GB751843A (en) Improvements in or relating to magnetic record carriers
GB1366925A (en) Magnetic transducer core fabrication technique
GB1321144A (en) Magnetic transducing heads
GB1376652A (en) Magnetic transducers and to methods of manufacture thereof
GB1385946A (en) Methods of manufacturing magnetic transducing heads
GB1340422A (en) Methods of making cores for magnetic recording and reproducing heads
GB832580A (en) Improvements in or relating to reading head for magnetic recordings
GB746537A (en) Improvements in or relating to magnetic transducer heads

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee