CA977222A - Magnetic storage medium - Google Patents

Magnetic storage medium

Info

Publication number
CA977222A
CA977222A CA142,547A CA142547A CA977222A CA 977222 A CA977222 A CA 977222A CA 142547 A CA142547 A CA 142547A CA 977222 A CA977222 A CA 977222A
Authority
CA
Canada
Prior art keywords
storage medium
magnetic storage
magnetic
medium
storage
Prior art date
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
CA142,547A
Other versions
CA142547S (en
Inventor
Borys Murin
Karlchristian Schilffarth
Bernhard Seidel
Heinrich Kober
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.)
Agfa Gevaert AG
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 CA977222A publication Critical patent/CA977222A/en
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
    • G11B5/62—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
CA142,547A 1971-07-23 1972-05-19 Magnetic storage medium Expired CA977222A (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
CA977222A true CA977222A (en) 1975-11-04

Family

ID=5814549

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,547A Expired CA977222A (en) 1971-07-23 1972-05-19 Magnetic storage medium

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
KR20050007458A (en) * 2002-04-15 2005-01-18 나가세 상교오 가부시키가이샤 Stamper original and its manufacturing method, stamper and its manufacturing method, and optical disk

Also Published As

Publication number Publication date
BE785308A (en) 1972-12-27
NL173450C (en) 1984-01-16
IT961500B (en) 1973-12-10
NL7209028A (en) 1972-12-27
JPS5528130B1 (en) 1980-07-25
FR2147113A1 (en) 1973-03-09
DE2136795A1 (en) 1973-03-15
DE2136795C3 (en) 1978-04-27
NL173450B (en) 1983-08-16
GB1365647A (en) 1974-09-04
FR2147113B1 (en) 1975-10-03
DE2136795B2 (en) 1977-08-25

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