3345217

Information

• Patent Grant
• 3345217

• References
• Source

• Patent Number

  3,345,217

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1967
  58 years ago

• CPC

  • C23C22/47 - containing also phosphates
  • H05K3/22 - Secondary treatment of printed circuits
  • H05K3/282 - for inhibiting the corrosion of the circuit
  • H05K3/3489 - Composition of fluxes; Methods of application thereof; Other methods of activating the contact surfaces
  • H05K2203/025 - Abrading
  • H05K2203/0315 - Oxidising metal
  • H05K2203/0392 - Pretreatment of metal
  • H05K2203/1157 - Using means for chemical reduction

• US Classifications

  • 148 - Metal treatment
  • 134 - Cleaning and liquid contact with solids
  • 216 - Etching a substrate: processes
  • 510 - Cleaning compositions for solid surfaces, auxiliary compositions therefor, or processes of preparing the compositions