3669666

Information

• Patent Grant
• 3669666

• References
• Source

• Patent Number

  3,669,666

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  53 years ago

• CPC

  • G03F1/90 - prepared by montage processes
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • Y10S430/152 - Making camera copy

• US Classifications

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