3914136

Information

• Patent Grant
• 3914136

• References
• Source

• Patent Number

  3,914,136

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1975
  49 years ago

• CPC

  • H01J1/34 - Photo-emissive cathodes
  • H01J9/12 - of photo-emissive cathodes of secondary-emission electrodes
  • H01J2201/3423 - Semiconductors
  • Y10S148/065 - Gp III-V generic compounds-processing
  • Y10S148/067 - Graded energy gap
  • Y10S148/072 - Heterojunctions
  • Y10S148/107 - Melt
  • Y10S148/12 - Photocathodes-Cs coated and solar cell

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 252 - Compositions
  • 257 - Active solid-state devices
  • 313 - Electric lamp and discharge devices
  • 427 - Coating processes