FR2061179A5 - - Google Patents

Info

Publication number
FR2061179A5
FR2061179A5 FR7032753A FR7032753A FR2061179A5 FR 2061179 A5 FR2061179 A5 FR 2061179A5 FR 7032753 A FR7032753 A FR 7032753A FR 7032753 A FR7032753 A FR 7032753A FR 2061179 A5 FR2061179 A5 FR 2061179A5
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
FR7032753A
Other languages
French (fr)
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 FR2061179A5 publication Critical patent/FR2061179A5/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
    • G11B5/29—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)
FR7032753A 1969-09-10 1970-09-09 Expired FR2061179A5 (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
FR2061179A5 true FR2061179A5 (en) 1971-06-18

Family

ID=26400316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7032753A Expired FR2061179A5 (en) 1969-09-10 1970-09-09

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
DE2044408A1 (en) 1971-05-13
NL7013347A (en) 1971-03-12
US3660892A (en) 1972-05-09
DE2065746A1 (en) 1975-09-11
CA944544A (en) 1974-04-02

Similar Documents

Publication Publication Date Title
AU465413B2 (en)
AU450150B2 (en)
AU442375B2 (en)
AU470301B1 (en)
AU5113869A (en)
AU442357B2 (en)
AU442538B2 (en)
AU442463B2 (en)
AU442380B2 (en)
AU442554B2 (en)
AU470661B1 (en)
AU442322B2 (en)
AU442285B2 (en)
AU5077469A (en)
AU4540468A (en)
CS148408B1 (en)
CS148424B1 (en)
AU5397469A (en)
AU5228269A (en)
AU5133369A (en)
AU5109569A (en)
AU4949169A (en)
BE753368A (en)
BE740290A (en)
AU5066368A (en)

Legal Events

Date Code Title Description
ST Notification of lapse