NL6817191A - - Google Patents

Info

Publication number
NL6817191A
NL6817191A NL6817191A NL6817191A NL6817191A NL 6817191 A NL6817191 A NL 6817191A NL 6817191 A NL6817191 A NL 6817191A NL 6817191 A NL6817191 A NL 6817191A NL 6817191 A NL6817191 A NL 6817191A
Authority
NL
Netherlands
Application number
NL6817191A
Other versions
NL157127B (nl
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 NL6817191A publication Critical patent/NL6817191A/xx
Publication of NL157127B publication Critical patent/NL157127B/nl

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 Werkwijze voor het vervaardigen van een magnetische geheugenschijf en geheugenschijf, vervaardigd volgens deze werkwijze. NL157127B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967J0035193 DE1299029B (de) 1967-12-11 1967-12-11 Verfahren und Vorrichtung zum Herstellen einer Magnetspeicherplatte

Publications (2)

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

Family

ID=7205343

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6817191A NL157127B (nl) 1967-12-11 1968-11-29 Werkwijze voor het vervaardigen van een magnetische geheugenschijf en geheugenschijf, vervaardigd volgens deze werkwijze.

Country Status (2)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047330B1 (de) * 1980-09-06 1984-06-13 Ibm Deutschland Gmbh Magnetplatten-Trägerkern aus faserverstärktem Kunststoff
DE3176238D1 (en) * 1981-07-23 1987-07-09 Ibm Deutschland Magnetic-disc substrate with plastics core

Also Published As

Publication number Publication date
NL157127B (nl) 1978-06-15
DE1299029B (de) 1969-07-10

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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