NL157127B - METHOD OF MANUFACTURING A MAGNETIC MEMORY DISK AND MEMORY DISK, MANUFACTURED IN ACCORDANCE WITH THIS METHOD. - Google Patents

METHOD OF MANUFACTURING A MAGNETIC MEMORY DISK AND MEMORY DISK, MANUFACTURED IN ACCORDANCE WITH THIS METHOD.

Info

Publication number
NL157127B
NL157127B NL6817191A NL6817191A NL157127B NL 157127 B NL157127 B NL 157127B NL 6817191 A NL6817191 A NL 6817191A NL 6817191 A NL6817191 A NL 6817191A NL 157127 B NL157127 B NL 157127B
Authority
NL
Netherlands
Prior art keywords
memory disk
manufactured
accordance
manufacturing
magnetic memory
Prior art date
Application number
NL6817191A
Other languages
Dutch (nl)
Other versions
NL6817191A (en
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of NL6817191A publication Critical patent/NL6817191A/xx
Publication of NL157127B publication Critical patent/NL157127B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
NL6817191A 1967-12-11 1968-11-29 METHOD OF MANUFACTURING A MAGNETIC MEMORY DISK AND MEMORY DISK, MANUFACTURED IN ACCORDANCE WITH THIS METHOD. NL157127B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967J0035193 DE1299029B (en) 1967-12-11 1967-12-11 Method and apparatus for manufacturing a magnetic storage disk

Publications (2)

Publication Number Publication Date
NL6817191A NL6817191A (en) 1969-06-13
NL157127B true NL157127B (en) 1978-06-15

Family

ID=7205343

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6817191A NL157127B (en) 1967-12-11 1968-11-29 METHOD OF MANUFACTURING A MAGNETIC MEMORY DISK AND MEMORY DISK, MANUFACTURED IN ACCORDANCE WITH THIS METHOD.

Country Status (2)

Country Link
DE (1) DE1299029B (en)
NL (1) NL157127B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047330B1 (en) * 1980-09-06 1984-06-13 Ibm Deutschland Gmbh Carrier for magnetic discs consisting of fibre-reinforced plastics
DE3176238D1 (en) * 1981-07-23 1987-07-09 Ibm Deutschland Magnetic-disc substrate with plastics core

Also Published As

Publication number Publication date
DE1299029B (en) 1969-07-10
NL6817191A (en) 1969-06-13

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: IBM