IT961500B - MAGNE TIC LAYER STORAGE MATERIAL - Google Patents

MAGNE TIC LAYER STORAGE MATERIAL

Info

Publication number
IT961500B
IT961500B IT5166272A IT5166272A IT961500B IT 961500 B IT961500 B IT 961500B IT 5166272 A IT5166272 A IT 5166272A IT 5166272 A IT5166272 A IT 5166272A IT 961500 B IT961500 B IT 961500B
Authority
IT
Italy
Prior art keywords
storage material
layer storage
tic layer
magne tic
magne
Prior art date
Application number
IT5166272A
Other languages
Italian (it)
Original Assignee
Agfa Gevaert Ag
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 Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Application granted granted Critical
Publication of IT961500B publication Critical patent/IT961500B/en

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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7028—Additives, e.g. crosslinking agents
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate
    • G11B5/7022—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
IT5166272A 1971-07-23 1972-07-21 MAGNE TIC LAYER STORAGE MATERIAL IT961500B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712136795 DE2136795C3 (en) 1971-07-23 1971-07-23 Process for the production of magnetizable storage media

Publications (1)

Publication Number Publication Date
IT961500B true IT961500B (en) 1973-12-10

Family

ID=5814549

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5166272A IT961500B (en) 1971-07-23 1972-07-21 MAGNE TIC LAYER STORAGE MATERIAL

Country Status (8)

Country Link
JP (1) JPS5528130B1 (en)
BE (1) BE785308A (en)
CA (1) CA977222A (en)
DE (1) DE2136795C3 (en)
FR (1) FR2147113B1 (en)
GB (1) GB1365647A (en)
IT (1) IT961500B (en)
NL (1) NL173450C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050181089A1 (en) * 2002-04-15 2005-08-18 Nagase & Co. Ltd Stamper original and its manufacturing method, stamper and its manufacturing method, and optical disk

Also Published As

Publication number Publication date
NL173450C (en) 1984-01-16
DE2136795C3 (en) 1978-04-27
GB1365647A (en) 1974-09-04
NL7209028A (en) 1972-12-27
BE785308A (en) 1972-12-27
CA977222A (en) 1975-11-04
DE2136795B2 (en) 1977-08-25
NL173450B (en) 1983-08-16
FR2147113A1 (en) 1973-03-09
FR2147113B1 (en) 1975-10-03
JPS5528130B1 (en) 1980-07-25
DE2136795A1 (en) 1973-03-15

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