CA944544A - Method of making a multi-channel magnetic head - Google Patents

Method of making a multi-channel magnetic head

Info

Publication number
CA944544A
CA944544A CA092,059A CA92059A CA944544A CA 944544 A CA944544 A CA 944544A CA 92059 A CA92059 A CA 92059A CA 944544 A CA944544 A CA 944544A
Authority
CA
Canada
Prior art keywords
making
magnetic head
channel magnetic
channel
head
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
CA092,059A
Inventor
Takashi Tanaka
Yukihiro Yanagiuchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP7308369A external-priority patent/JPS4936254B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA944544A publication Critical patent/CA944544A/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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
CA092,059A 1969-09-10 1970-09-01 Method of making a multi-channel magnetic head Expired CA944544A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7308369A JPS4936254B1 (en) 1969-09-10 1969-09-10
JP5926270 1970-07-06

Publications (1)

Publication Number Publication Date
CA944544A true CA944544A (en) 1974-04-02

Family

ID=26400316

Family Applications (1)

Application Number Title Priority Date Filing Date
CA092,059A Expired CA944544A (en) 1969-09-10 1970-09-01 Method of making a multi-channel magnetic head

Country Status (5)

Country Link
US (1) US3660892A (en)
CA (1) CA944544A (en)
DE (2) DE2044408A1 (en)
FR (1) FR2061179A5 (en)
NL (1) NL7013347A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754795A (en) * 1969-08-14 1971-01-18 Bull General Electric MULTI-TRACK MAGNETIC HEAD UNIT AND ITS MANUFACTURING PROCESS
US3737993A (en) * 1970-11-27 1973-06-12 Matsushita Electric Ind Co Ltd Method of making a multi-channel magnetic head
US3787963A (en) * 1973-02-05 1974-01-29 Honeywell Inf Systems Method of fabricating a multi-head magnetic transducer assembly
US3983622A (en) * 1974-01-10 1976-10-05 Eastman Kodak Company Method of manufacturing magnetic record/reproduce head
US3893189A (en) * 1974-01-14 1975-07-01 Spin Physics Inc Magnetic record/reproduce head and manufacturing method therefor
US4227225A (en) * 1977-05-12 1980-10-07 Matsushita Electric Industrial Co., Ltd. Magnetic head assembly
JPS5634128A (en) * 1979-08-23 1981-04-06 Rca Corp Multiple magnetic head for record*reproduction device
US4300179A (en) * 1979-09-04 1981-11-10 Minnesota Mining And Manufacturing Co. Composite magnetic head with multitrack support structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064333A (en) * 1959-06-29 1962-11-20 Ibm Method of making a magnetic transducer
JPS5239284B1 (en) * 1967-12-04 1977-10-04

Also Published As

Publication number Publication date
NL7013347A (en) 1971-03-12
DE2065746A1 (en) 1975-09-11
DE2044408A1 (en) 1971-05-13
FR2061179A5 (en) 1971-06-18
US3660892A (en) 1972-05-09

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