3610721

Information

• Patent Grant
• 3610721

• References
• Source

• Patent Number

  3,610,721

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1971
  53 years ago

• CPC

  • G02F1/09 - based on magneto-optical elements
  • G03H1/02 - Details of features involved during the holographic process; Replication of holograms without interference recording
  • G03H1/0244 - Surface relief holograms
  • G03H1/0276 - Replicating a master hologram without interference recording
  • G03H2001/0268 - Inorganic recording material
  • G03H2222/47 - Evanescent wave
  • G03H2224/06 - Thermal or photo-thermal means
  • G03H2240/25 - Magnetic variations
  • G03H2260/35 - Rewritable material allowing several record and erase cycles

• US Classifications

  • 359 - Optical: systems and elements
  • 346 - Recorders
  • 360 - Dynamic magnetic information storage or retrieval
  • 430 - Radiation imagery chemistry: process, composition, or product thereof