3073764

Information

• Patent Grant
• 3073764

• References
• Source

• Patent Number

  3,073,764

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1963
  61 years ago

• CPC

  • H01L21/3063 - Electrolytic etching
  • C25F3/30 - of semiconducting materials
  • C25F7/00 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects Servicing or operating

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 204 - Chemistry: electrical and wave energy
  • 257 - Active solid-state devices
  • 438 - Semiconductor device manufacturing: process
  • 451 - Abrading