3814997

Information

• Patent Grant
• 3814997

• References
• Source

• Patent Number

  3,814,997

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  50 years ago

• CPC

  • H01L29/93 - Variable capacitance diodes
  • H01L29/864 - Transit-time diodes
  • Y10S148/035 - Diffusion through a layer
  • Y10S148/04 - Dopants, special
  • Y10S148/049 - Equivalence and options
  • Y10S148/051 - Etching
  • Y10S148/125 - Polycrystalline passivation
  • Y10S148/145 - Shaped junctions
  • Y10S148/167 - Two diffusions in one hole

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment