3850685

Information

• Patent Grant
• 3850685

• References
• Source

• Patent Number

  3,850,685

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • H01L43/10 - Selection of materials
  • Y10S148/005 - Antimonides of gallium or indium
  • Y10S148/065 - Gp III-V generic compounds-processing
  • Y10S148/122 - Polycrystalline
  • Y10S148/15 - Silicon on sapphire SOS
  • Y10S148/169 - Vacuum deposition
  • Y10S420/903 - Semiconductive

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 117 - Single-crystal, oriented-crystal, and epitaxy growth processes
  • 148 - Metal treatment
  • 257 - Active solid-state devices
  • 420 - Alloys or metallic compositions