3681018

Information

• Patent Grant
• 3681018

• References
• Source

• Patent Number

  3,681,018

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • G11B5/653 - containing Fe or Ni
  • C01B21/0622 - with iron, cobalt or nickel
  • H01F1/0311 - Compounds
  • C01P2004/10 - extending in one dimension
  • C01P2004/61 - Micrometer sized
  • C01P2004/62 - Submicrometer sized
  • C01P2006/42 - Magnetic properties
  • Y10S428/90 - Magnetic feature

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 360 - Dynamic magnetic information storage or retrieval
  • 428 - Stock material or miscellaneous articles
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER