JPS5031818B1 - - Google Patents

Info

Publication number
JPS5031818B1
JPS5031818B1 JP5046869A JP5046869A JPS5031818B1 JP S5031818 B1 JPS5031818 B1 JP S5031818B1 JP 5046869 A JP5046869 A JP 5046869A JP 5046869 A JP5046869 A JP 5046869A JP S5031818 B1 JPS5031818 B1 JP S5031818B1
Authority
JP
Grant status
Grant
Patent type
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.)
Granted
Application number
JP5046869A
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
Grant date

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871Shaping or contouring of the transducing or guiding surface
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/29Structure or manufacture of unitary devices formed of plural heads for more than one track
JP5046869A 1969-06-23 1969-06-23 Granted JPS5031818B1 (en)

Priority Applications (1)

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

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP5046869A JPS5031818B1 (en) 1969-06-23 1969-06-23
GB2972470A GB1319088A (en) 1969-06-23 1970-06-18 Method of manufacturing multi-element magnetic head
CA 86033 CA922097A (en) 1969-06-23 1970-06-19 Method of manufacturing multi-element magnetic head
FR7022967A FR2047052B1 (en) 1969-06-23 1970-06-22
DE19702030712 DE2030712A1 (en) 1969-06-23 1970-06-22
NL7009147A NL7009147A (en) 1969-06-23 1970-06-22

Publications (1)

Publication Number Publication Date
JPS5031818B1 true JPS5031818B1 (en) 1975-10-15

Family

ID=12859702

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0240573Y2 (en) * 1984-05-25 1990-10-30
US9363905B2 (en) 2010-02-02 2016-06-07 Apple Inc. Cosmetic co-removal of material for electronic device surfaces

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900893A (en) * 1959-09-05 1962-07-11 Philips Electrical Indsutries Improvements relating to magnetic-recording heads
US3353261A (en) * 1964-12-30 1967-11-21 Ibm Method of making a multitrack magnetic transducer head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900893A (en) * 1959-09-05 1962-07-11 Philips Electrical Indsutries Improvements relating to magnetic-recording heads
US3353261A (en) * 1964-12-30 1967-11-21 Ibm Method of making a multitrack magnetic transducer head

Also Published As

Publication number Publication date Type
CA922097A1 (en) grant
CA922097A (en) 1973-03-06 grant
GB1319088A (en) 1973-05-31 application
FR2047052A1 (en) 1971-03-12 application
FR2047052B1 (en) 1973-01-12 grant
DE2030712A1 (en) 1971-01-14 application
NL7009147A (en) 1970-12-28 application

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