3574140

Information

• Patent Grant
• 3574140

• References
• Source

• Patent Number

  3,574,140

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1971
  53 years ago

• CPC

  • H01L31/0325 - characterised by the doping material
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L31/0324 - comprising only AIVBVI or AIIBIVCVI chalcogenide compounds

• US Classifications

  • 252 - Compositions
  • 257 - Active solid-state devices
  • 430 - Radiation imagery chemistry: process, composition, or product thereof