2739276

Information

• Patent Grant
• 2739276

• References
• Source

• Patent Number

  2,739,276

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1956
  68 years ago

• CPC

  • H01L21/02425 - Conductive materials
  • H01L21/02565 - Oxide semiconducting materials not being Group 12/16 materials
  • H01L21/02614 - Transformation of metal
  • H01L21/161 - Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
  • H01L21/164 - Oxidation and subsequent heat treatment of the foundation plate
  • Y10S205/917 - Treatment of workpiece between coating steps

• US Classifications

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