FR2089140A5 - - Google Patents

Info

Publication number
FR2089140A5
FR2089140A5 FR7111823A FR7111823A FR2089140A5 FR 2089140 A5 FR2089140 A5 FR 2089140A5 FR 7111823 A FR7111823 A FR 7111823A FR 7111823 A FR7111823 A FR 7111823A FR 2089140 A5 FR2089140 A5 FR 2089140A5
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
FR7111823A
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of FR2089140A5 publication Critical patent/FR2089140A5/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
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • 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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G11B5/1475—Assembling or shaping of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Heads (AREA)
FR7111823A 1970-04-03 1971-04-02 Expired FR2089140A5 (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2593570A 1970-04-03 1970-04-03
US2546570A 1970-04-03 1970-04-03

Publications (1)

Publication Number Publication Date
FR2089140A5 true FR2089140A5 (OSRAM) 1972-01-07

Family

ID=26699773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7111823A Expired FR2089140A5 (OSRAM) 1970-04-03 1971-04-02

Country Status (2)

Country Link
FR (1) FR2089140A5 (OSRAM)
GB (1) GB1310791A (OSRAM)

Also Published As

Publication number Publication date
DE2116291B2 (de) 1977-01-20
DE2116291A1 (de) 1971-10-28
GB1310791A (en) 1973-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse