2291592

Information

• Patent Grant
• 2291592

• References
• Source

• Patent Number

  2,291,592

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1942
  82 years ago

• CPC

  • H01L21/167 - Application of a non-genetic conductive layer

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 216 - Etching a substrate: processes
  • 257 - Active solid-state devices