3892571

Information

• Patent Grant
• 3892571

• References
• Source

• Patent Number

  3,892,571

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1975
  49 years ago

• CPC

  • G03F7/2016 - Contact mask being integral part of the photosensitive element and subject to destructive removal during post-exposure processing
  • G03C1/4965 - evaporated
  • G03F1/68 - Preparation processes not covered by groups G03F1/20 - G03F1/50
  • G03F7/0952 - comprising silver halide or silver salt based image forming systems
  • H05K3/0002 - for manufacturing artworks for printed circuits
  • Y10S430/136 - Coating process making radiation sensitive element
  • Y10T428/265 - 1 mil or less

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles