3904449

Information

• Patent Grant
• 3904449

• References
• Source

• Patent Number

  3,904,449

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • H01L29/864 - Transit-time diodes
  • Y10S148/056 - Gallium arsenide
  • Y10S148/057 - Gas flow control
  • Y10S148/067 - Graded energy gap
  • Y10S148/129 - Pulse doping
  • Y10S148/139 - Schottky barrier

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 252 - Compositions
  • 257 - Active solid-state devices