3873461

Information

• Patent Grant
• 3873461

• References
• Source

• Patent Number

  3,873,461

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1975
  49 years ago

• CPC

  • G11B5/70642 - iron oxides
  • G11B5/70668 - containing a dopant
  • G11B5/70673 - containing Co

• US Classifications

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