3665483

Information

• Patent Grant
• 3665483

• References
• Source

• Patent Number

  3,665,483

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  53 years ago

• CPC

  • G11B7/241 - characterised by the selection of the material
  • B23K26/009 - using a non-absorbing
  • B23K26/18 - using absorbing layers on the workpiece
  • G11B7/00451 - involving ablation of the recording layer
  • G11B7/24038 - Multiple laminated recording layers
  • G11B7/24056 - Light transmission layers lying on the light entrance side and being thinner than the substrate
  • G11B7/254 - of protective topcoat layers
  • G11C13/04 - using optical elements using other beam accessed elements
  • G11B7/2548 - consisting essentially of inorganic materials
  • G11B7/256 - of layers improving adhesion between layers
  • G11B7/258 - of reflective layers
  • G11B2007/24306 - transition metal elements of groups 3-10
  • G11B2007/2431 - group 13 elements (B, Al, Ga, In)
  • G11B2007/25414 - containing Group 13 elements (B, Al, Ga)
  • G11B2007/25417 - containing Group 14 elements (C, Si, Ge, Sn)

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 219 - Electric heating
  • 346 - Recorders
  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER