3884698

Information

• Patent Grant
• 3884698

• References
• Source

• Patent Number

  3,884,698

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  49 years ago

• CPC

  • G03F7/091 - characterised by antireflection means or light filtering or absorbing means
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • Y10S430/135 - Cine film

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof