FR2047052B1 - - Google Patents

Info

Publication number
FR2047052B1
FR2047052B1 FR7022967A FR7022967A FR2047052B1 FR 2047052 B1 FR2047052 B1 FR 2047052B1 FR 7022967 A FR7022967 A FR 7022967A FR 7022967 A FR7022967 A FR 7022967A FR 2047052 B1 FR2047052 B1 FR 2047052B1
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
FR7022967A
Other versions
FR2047052A1 (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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2047052A1 publication Critical patent/FR2047052A1/fr
Application granted granted Critical
Publication of FR2047052B1 publication Critical patent/FR2047052B1/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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR7022967A 1969-06-23 1970-06-22 Expired FR2047052B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5046869A JPS5031818B1 (fr) 1969-06-23 1969-06-23

Publications (2)

Publication Number Publication Date
FR2047052A1 FR2047052A1 (fr) 1971-03-12
FR2047052B1 true FR2047052B1 (fr) 1973-01-12

Family

ID=12859702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7022967A Expired FR2047052B1 (fr) 1969-06-23 1970-06-22

Country Status (6)

Country Link
JP (1) JPS5031818B1 (fr)
CA (1) CA922097A (fr)
DE (1) DE2030712A1 (fr)
FR (1) FR2047052B1 (fr)
GB (1) GB1319088A (fr)
NL (1) NL7009147A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60192117U (ja) * 1984-05-25 1985-12-20 アルプス電気株式会社 浮動式磁気ヘツド
US9363905B2 (en) 2010-02-02 2016-06-07 Apple Inc. Cosmetic co-removal of material for electronic device surfaces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL112519C (fr) * 1959-09-05
US3353261A (en) * 1964-12-30 1967-11-21 Ibm Method of making a multitrack magnetic transducer head

Also Published As

Publication number Publication date
DE2030712A1 (de) 1971-01-14
FR2047052A1 (fr) 1971-03-12
NL7009147A (fr) 1970-12-28
JPS5031818B1 (fr) 1975-10-15
GB1319088A (en) 1973-05-31
CA922097A (en) 1973-03-06

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Legal Events

Date Code Title Description
ST Notification of lapse