3449705

Information

• Patent Grant
• 3449705

• References
• Source

• Patent Number

  3,449,705

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1969
  55 years ago

• CPC

  • H01L31/1836 - comprising a growth substrate not being an AIIBVI compound
  • G03B21/323 - Cassettes
  • G11B23/027 - Containers for single reels or spools
  • H01L27/144 - Devices controlled by radiation
  • H01L31/03365 - comprising only Cu2X / CdX heterojunctions, X being an element of the sixth group of the Periodic System
  • H01L31/164 - Optical potentiometers
  • Y02E10/50 - Photovoltaic [PV] energy

• US Classifications

  • 338 - Electrical resistors
  • 118 - Coating apparatus
  • 136 - Batteries: thermoelectric and photoelectric
  • 250 - Radiant energy
  • 257 - Active solid-state devices
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER