DE3280144D1 - Verfahren zur herstellung eines magnetischen aufzeichnungstraegers. - Google Patents

Verfahren zur herstellung eines magnetischen aufzeichnungstraegers.

Info

Publication number
DE3280144D1
DE3280144D1 DE8282104203T DE3280144T DE3280144D1 DE 3280144 D1 DE3280144 D1 DE 3280144D1 DE 8282104203 T DE8282104203 T DE 8282104203T DE 3280144 T DE3280144 T DE 3280144T DE 3280144 D1 DE3280144 D1 DE 3280144D1
Authority
DE
Germany
Prior art keywords
producing
magnetic recording
recording carrier
carrier
magnetic
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 - Lifetime
Application number
DE8282104203T
Other languages
English (en)
Inventor
Ryuji Sugita
Toshiaki Kunieda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP7371081A external-priority patent/JPS57189342A/ja
Priority claimed from JP7624281A external-priority patent/JPS57191832A/ja
Priority claimed from JP20221581A external-priority patent/JPS58102335A/ja
Priority claimed from JP1923282A external-priority patent/JPS58137134A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3280144D1 publication Critical patent/DE3280144D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating a support with a magnetic layer by sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/20—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by evaporation
DE8282104203T 1981-05-15 1982-05-13 Verfahren zur herstellung eines magnetischen aufzeichnungstraegers. Expired - Lifetime DE3280144D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7371081A JPS57189342A (en) 1981-05-15 1981-05-15 Manufacture of magnetic recording medium
JP7624281A JPS57191832A (en) 1981-05-19 1981-05-19 Manufacture of magnetic recording medium
JP20221581A JPS58102335A (ja) 1981-12-14 1981-12-14 磁気記録媒体の製造方法
JP1923282A JPS58137134A (ja) 1982-02-08 1982-02-08 磁気記録媒体の製造方法

Publications (1)

Publication Number Publication Date
DE3280144D1 true DE3280144D1 (de) 1990-05-03

Family

ID=27457141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282104203T Expired - Lifetime DE3280144D1 (de) 1981-05-15 1982-05-13 Verfahren zur herstellung eines magnetischen aufzeichnungstraegers.

Country Status (2)

Country Link
EP (1) EP0066146B1 (de)
DE (1) DE3280144D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3613594B2 (ja) 1993-08-19 2005-01-26 株式会社ルネサステクノロジ 半導体素子およびこれを用いた半導体記憶装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342632A (en) * 1964-08-05 1967-09-19 Ibm Magnetic coating
JPS51149008A (en) * 1975-05-23 1976-12-21 Fuji Photo Film Co Ltd Magnetic recording medium manufacturing method
JPS5361310A (en) * 1976-11-12 1978-06-01 Matsushita Electric Ind Co Ltd Production of magnetic recording medium
JPS54141391A (en) * 1978-04-26 1979-11-02 Matsushita Electric Ind Co Ltd Manufacture of metallized film
JPS5616941A (en) * 1979-07-20 1981-02-18 Tdk Corp Manufacture for magnetic recording medium and its unit
JPS5634151A (en) * 1979-08-25 1981-04-06 Tdk Corp Continuous manufacture of magnetic recording medium
JPS5798133A (en) * 1980-12-05 1982-06-18 Matsushita Electric Ind Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
EP0066146A2 (de) 1982-12-08
EP0066146A3 (en) 1985-03-13
EP0066146B1 (de) 1990-03-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee