3615471

Information

• Patent Grant
• 3615471

• References
• Source

• Patent Number

  3,615,471

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1971
  53 years ago

• CPC

  • H05K3/185 - by making a catalytic pattern by photo-imaging
  • C23C18/1605 - by masking
  • G03C1/62 - Metal compounds reducible to metal
  • G03F1/54 - Absorbers
  • G03F7/00 - Photomechanical
  • G03F7/04 - Chromates
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H05K3/0002 - for manufacturing artworks for printed circuits
  • H05K2203/056 - Using an artwork

• US Classifications

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