3453037

Information

• Patent Grant
• 3453037

• References
• Source

• Patent Number

  3,453,037

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • G03F1/00 - Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles Mask blanks or pellicles therefor Containers specially adapted therefor Preparation thereof
  • G02B27/28 - for polarising
  • H05K3/0002 - for manufacturing artworks for printed circuits
  • H05K2203/056 - Using an artwork
  • Y10S430/152 - Making camera copy

• US Classifications

  • 359 - Optical: systems and elements
  • 430 - Radiation imagery chemistry: process, composition, or product thereof