3799642

Information

• Patent Grant
• 3799642

• References
• Source

• Patent Number

  3,799,642

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G03H1/02 - Details of features involved during the holographic process; Replication of holograms without interference recording
  • G03C1/725 - containing inorganic compounds
  • G03H2001/0268 - Inorganic recording material
  • G03H2260/52 - Photochromic reactivity wherein light induces a reversible transformation between two states having different absorption spectra
  • G03H2260/54 - Photorefractive reactivity wherein light induces photo-generation, redistribution and trapping of charges then a modification of refractive index
  • Y10S359/90 - Methods
  • Y10S430/146 - Laser beam

• US Classifications

  • 359 - Optical: systems and elements
  • 252 - Compositions
  • 430 - Radiation imagery chemistry: process, composition, or product thereof