3115470

Information

• Patent Grant
• 3115470

• References
• Source

• Patent Number

  3,115,470

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1963
  60 years ago

• CPC

  • H01F1/111 - with a non-magnetic core
  • C01G49/06 - Ferric oxide (Fe2O3)
  • G11B5/70631 - with a non-magnetic core
  • G11B5/70642 - iron oxides
  • C01P2004/62 - Submicrometer sized
  • C01P2006/42 - Magnetic properties

• US Classifications

  • 252 - Compositions
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER