FR2051837B1 - - Google Patents

Info

Publication number
FR2051837B1
FR2051837B1 FR7026160A FR7026160A FR2051837B1 FR 2051837 B1 FR2051837 B1 FR 2051837B1 FR 7026160 A FR7026160 A FR 7026160A FR 7026160 A FR7026160 A FR 7026160A FR 2051837 B1 FR2051837 B1 FR 2051837B1
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
FR7026160A
Other languages
French (fr)
Other versions
FR2051837A1 (enrdf_load_stackoverflow
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2051837A1 publication Critical patent/FR2051837A1/fr
Application granted granted Critical
Publication of FR2051837B1 publication Critical patent/FR2051837B1/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
    • G11B5/23—Gap features
    • G11B5/232—Manufacture of gap
    • 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
    • G11B5/23—Gap features
    • G11B5/235—Selection of material for gap filler

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
FR7026160A 1969-07-18 1970-07-16 Expired FR2051837B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84287969A 1969-07-18 1969-07-18

Publications (2)

Publication Number Publication Date
FR2051837A1 FR2051837A1 (enrdf_load_stackoverflow) 1971-04-09
FR2051837B1 true FR2051837B1 (enrdf_load_stackoverflow) 1973-05-25

Family

ID=25288474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7026160A Expired FR2051837B1 (enrdf_load_stackoverflow) 1969-07-18 1970-07-16

Country Status (7)

Country Link
JP (1) JPS505924B1 (enrdf_load_stackoverflow)
AT (1) AT303409B (enrdf_load_stackoverflow)
BE (1) BE753577A (enrdf_load_stackoverflow)
DE (1) DE2033916A1 (enrdf_load_stackoverflow)
FR (1) FR2051837B1 (enrdf_load_stackoverflow)
GB (1) GB1317634A (enrdf_load_stackoverflow)
NL (1) NL7010306A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886025A (en) * 1972-08-24 1975-05-27 Ibm Ferrite head

Also Published As

Publication number Publication date
DE2033916A1 (de) 1971-02-04
JPS505924B1 (enrdf_load_stackoverflow) 1975-03-08
BE753577A (fr) 1971-01-18
FR2051837A1 (enrdf_load_stackoverflow) 1971-04-09
GB1317634A (en) 1973-05-23
NL7010306A (enrdf_load_stackoverflow) 1971-01-20
AT303409B (de) 1972-11-27

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