3880409

Information

• Patent Grant
• 3880409

• References
• Source

• Patent Number

  3,880,409

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • H05K3/0085 - Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor
  • C04B41/5353 - Wet etching
  • G03D3/10 - for plates, films, or prints held individually
  • G03D5/04 - using liquid sprays
  • G03F7/3085 - from plates or webs transported vertically; from plates suspended or immersed vertically in the processing unit

• US Classifications

  • 366 - Agitating
  • 134 - Cleaning and liquid contact with solids
  • 216 - Etching a substrate: processes