2983655

Information

• Patent Grant
• 2983655

• References
• Source

• Patent Number

  2,983,655

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1961
  63 years ago

• CPC

  • C25D7/12 - Semiconductors
  • C23C18/1896 - by electrochemical pretreatment
  • C23F1/00 - Etching metallic material by chemical means
  • C25D5/02 - Electroplating of selected surface areas
  • C25F3/12 - of semiconducting materials
  • H01L21/288 - from a liquid
  • H01L21/3063 - Electrolytic etching
  • H01L21/30635 - of A three - B five compounds

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 257 - Active solid-state devices