JPS4960704A - - Google Patents

Info

Publication number
JPS4960704A
JPS4960704A JP9563673A JP9563673A JPS4960704A JP S4960704 A JPS4960704 A JP S4960704A JP 9563673 A JP9563673 A JP 9563673A JP 9563673 A JP9563673 A JP 9563673A JP S4960704 A JPS4960704 A JP S4960704A
Authority
JP
Japan
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.)
Pending
Application number
JP9563673A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4960704A publication Critical patent/JPS4960704A/ja
Pending 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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/021—Selecting or spacing of record carriers for introducing the heads
    • 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
    • G11B5/41—Cleaning of heads
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G11B5/825—Disk carriers flexible discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
JP9563673A 1972-08-25 1973-08-25 Pending JPS4960704A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28381372A 1972-08-25 1972-08-25

Publications (1)

Publication Number Publication Date
JPS4960704A true JPS4960704A (enrdf_load_html_response) 1974-06-12

Family

ID=23087665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9563673A Pending JPS4960704A (enrdf_load_html_response) 1972-08-25 1973-08-25

Country Status (2)

Country Link
JP (1) JPS4960704A (enrdf_load_html_response)
DE (1) DE2342890A1 (enrdf_load_html_response)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8008111A (pt) * 1979-12-13 1981-06-30 Dysan Corp Processo para a fabricacao de um disco revestido flexivel,aparelhagem para o tratamento deste e dito disco de gravacao flexivel
US4365257A (en) * 1981-03-05 1982-12-21 Minnesota Mining And Manufacturing Company Stretched-film optical recording disc
US4625384A (en) * 1982-04-19 1986-12-02 Minnesota Mining And Manufacturing Company Method of making a recording disc
US4573097A (en) * 1982-10-13 1986-02-25 Minnesota Mining And Manufacturing Company Stretched surface recording disk and method of manufacture
US4670072A (en) * 1982-10-13 1987-06-02 Minnesota Mining And Manufacturing Company Method of making a stretched surface recording disk
US4963209A (en) * 1984-12-21 1990-10-16 Minnesota Mining And Manufacturing Company Method for making stretched surface recording disk
US4623570A (en) * 1985-03-14 1986-11-18 Minnesota Mining And Manufacturing Company Stable stretched surface recording medium
USRE33187E (en) * 1985-03-14 1990-03-27 Minnesota Mining And Manufacturing Company Stable stretched surface recording medium
US4729805A (en) * 1985-03-14 1988-03-08 Minnesota Mining And Manufacturing Company Recording medium annealing process

Also Published As

Publication number Publication date
DE2342890A1 (de) 1974-03-07

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