3801928

Information

• Patent Grant
• 3801928

• References
• Source

• Patent Number

  3,801,928

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • H01S5/18388 - Lenses
  • H01L21/02658 - Pretreatments
  • H01L33/0025 - comprising only AIIIBV compounds
  • H01S5/183 - having a vertical cavity (VCSE-lasers)
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • H01S5/32316 - comprising only (Al)GaAs
  • Y10S148/065 - Gp III-V generic compounds-processing
  • Y10S148/067 - Graded energy gap
  • Y10S148/072 - Heterojunctions
  • Y10S148/107 - Melt

• US Classifications

  • 372 - Coherent light generators
  • 174 - Electricity: conductors and insulators
  • 257 - Active solid-state devices