3772768

Information

• Patent Grant
• 3772768

• References
• Source

• Patent Number

  3,772,768

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • H01L31/1804 - comprising only elements of the fourth group of the Periodic System
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • Y02E10/547 - Monocrystalline silicon PV cells
  • Y02P70/521 - Photovoltaic generators
  • Y10S148/033 - Diffusion of aluminum

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 136 - Batteries: thermoelectric and photoelectric
  • 148 - Metal treatment
  • 257 - Active solid-state devices