3847465

Information

• Patent Grant
• 3847465

• References
• Source

• Patent Number

  3,847,465

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • G03H1/02 - Details of features involved during the holographic process; Replication of holograms without interference recording
  • G02F1/0558 - structurally associated with a photoconductive layer or exhibiting photo-refractive properties
  • G03H1/0248 - Volume holograms
  • G03H2260/54 - Photorefractive reactivity wherein light induces photo-generation, redistribution and trapping of charges then a modification of refractive index

• US Classifications

  • 359 - Optical: systems and elements
  • 365 - Static information storage and retrieval