3718776

Information

• Patent Grant
• 3718776

• References
• Source

• Patent Number

  3,718,776

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  51 years ago

• CPC

  • G11B5/147 - with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers
  • G11B5/29 - Structure or manufacture of unitary devices formed of plural heads for more than one track
  • G11B5/31 - using thin films
  • Y10T29/49041 - with significant slider/housing shaping or treating
  • Y10T29/49048 - Machining magnetic material [e.g., grinding, etching, polishing]
  • Y10T29/49059 - with work positioning means
  • Y10T29/49066 - Preformed winding

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 029 - Metal working
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER