2730638

Information

• Patent Grant
• 2730638

• References
• Source

• Patent Number

  2,730,638

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1956
  68 years ago

• CPC

  • H02H7/1209 - for converters using only discharge tubes
  • C01G17/00 - Compounds of germanium
  • H01B1/10 - sulfides
  • H01J9/233 - Manufacture of photo-electric screens or charge-storage screens
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L31/00 - Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof Details thereof
  • Y10T428/265 - 1 mil or less

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 252 - Compositions
  • 338 - Electrical resistors
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles
  • 445 - Electric lamp or space discharge component or device manufacturing