3456209

Information

• Patent Grant
• 3456209

• References
• Source

• Patent Number

  3,456,209

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1969
  56 years ago

• CPC

  • H01S5/30 - Structure or shape of the active region Materials used for the active region
  • H01S5/32 - comprising PN junctions
  • Y10S148/041 - Doping control in crystal growth
  • Y10S148/042 - Doping, graded, for tapered etching
  • Y10S148/065 - Gp III-V generic compounds-processing
  • Y10S148/067 - Graded energy gap
  • Y10S148/107 - Melt

• US Classifications

  • 372 - Coherent light generators
  • 148 - Metal treatment
  • 438 - Semiconductor device manufacturing: process