3327297

Information

• Patent Grant
• 3327297

• References
• Source

• Patent Number

  3,327,297

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1967
  57 years ago

• CPC

  • C23C18/52 - using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50
  • C25D3/562 - containing more than 50% by weight of iron or nickel or cobalt ; NiP, FeP, CoP
  • C25D5/00 - Electroplating characterised by the process Pretreatment or after-treatment of work-pieces
  • C25D7/001 - Magnets
  • G11B5/62 - Record carriers characterised by the selection of the material
  • H01F1/143 - in the form of wires
  • H01F10/00 - Thin magnetic films
  • H01F41/16 - the magnetic material being applied in the form of particles, e.g. by serigraphy
  • H01F41/26 - using electric currents
  • Y10T428/2933 - Coated or with bond, impregnation or core
  • Y10T428/294 - including metal or compound thereof [excluding glass, ceramic and asbestos]

• US Classifications

  • 365 - Static information storage and retrieval
  • 428 - Stock material or miscellaneous articles
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER