3643238

Information

• Patent Grant
• 3643238

• References
• Source

• Patent Number

  3,643,238

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • C04B35/2608 - Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
  • G11C19/08 - using thin films in plane structure
  • H01F10/22 - Orthoferrites

• US Classifications

  • 252 - Compositions
  • 365 - Static information storage and retrieval