USB387687I5 - - Google Patents

Info

Publication number
USB387687I5
USB387687I5 US38768773A USB387687I5 US B387687 I5 USB387687 I5 US B387687I5 US 38768773 A US38768773 A US 38768773A US B387687 I5 USB387687 I5 US B387687I5
Authority
US
United States
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.)
Pending
Application number
Other languages
English (en)
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
Priority claimed from NL7103549A external-priority patent/NL7103549A/xx
Application filed filed Critical
Priority to US387687A priority Critical patent/US3918151A/en
Publication of USB387687I5 publication Critical patent/USB387687I5/en
Application granted granted Critical
Publication of US3918151A publication Critical patent/US3918151A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • 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
    • 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
    • Y10T29/49053—Multitrack heads having integral holding means
    • 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)
US387687A 1971-03-17 1973-08-13 Method of manufacturing a multiple magnetic head Expired - Lifetime US3918151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US387687A US3918151A (en) 1971-03-17 1973-08-13 Method of manufacturing a multiple magnetic head

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL7103549A NL7103549A (zh) 1971-03-17 1971-03-17
US23471372A 1972-03-15 1972-03-15
US387687A US3918151A (en) 1971-03-17 1973-08-13 Method of manufacturing a multiple magnetic head

Publications (2)

Publication Number Publication Date
USB387687I5 true USB387687I5 (zh) 1975-01-28
US3918151A US3918151A (en) 1975-11-11

Family

ID=27351652

Family Applications (1)

Application Number Title Priority Date Filing Date
US387687A Expired - Lifetime US3918151A (en) 1971-03-17 1973-08-13 Method of manufacturing a multiple magnetic head

Country Status (1)

Country Link
US (1) US3918151A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7409107A (nl) * 1974-07-05 1976-01-07 Philips Nv Werkwijze en inrichting voor het inslijpen van groeven.
US4530138A (en) * 1982-09-30 1985-07-23 Westinghouse Electric Corp. Method of making a transducer assembly
US4697217A (en) * 1982-10-13 1987-09-29 Sanyo Electric Co., Ltd. Magnetic head having a main core of sheet amorphous magnetic material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL149020B (nl) * 1965-01-14 1976-03-15 Philips Nv Werkwijze voor het vervaardigen van een poolschoeneenheid voor een magneetkop, alsmede poolschoeneenheid, vervaardigd volgens deze werkwijze.
US3543396A (en) * 1967-01-17 1970-12-01 Zbigniew Illg Method of multi-track,two-gap,ferrite magnetic heads designed especially for digital recording
NL157442B (nl) * 1968-08-22 1978-07-17 Philips Nv Werkwijze voor het vervaardigen van een poolschoeneenheid voor een magneetkop, alsmede poolschoeneenheid vervaardigd volgens deze werkwijze.
US3562442A (en) * 1968-10-04 1971-02-09 Potter Instrument Co Inc Multi-track magnetic recording heads and method of construction therefor
JPS4826527B1 (zh) * 1969-02-13 1973-08-11

Also Published As

Publication number Publication date
US3918151A (en) 1975-11-11

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