3875026

Information

• Patent Grant
• 3875026

• References
• Source

• Patent Number

  3,875,026

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • G03H1/0276 - Replicating a master hologram without interference recording
  • C25D1/10 - Moulds Masks Masterforms
  • G03F7/001 - Phase modulating patterns
  • G03H1/0244 - Surface relief holograms
  • G03H2001/0292 - by masking
  • G03H2001/0296 - Formation of the master hologram
  • G03H2260/14 - Photoresist
  • G03H2260/63 - Indirect etching
  • G03H2270/13 - Metallic
  • G03H2270/52 - Integrated surface relief hologram without forming layer

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 204 - Chemistry: electrical and wave energy
  • 430 - Radiation imagery chemistry: process, composition, or product thereof