3041056

Information

• Patent Grant
• 3041056

• References
• Source

• Patent Number

  3,041,056

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1962
  62 years ago

• CPC

  • F27D99/0073 - Seals
  • B01J6/00 - Heat treatments such as Calcining Fusing Pyrolysis
  • F27B5/02 - of multiple-chamber type
  • F27B5/04 - adapted for treating the charge in vacuum or special atmosphere
  • F27B5/06 - Details, accessories, or equipment peculiar to furnaces of these types
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/24 - Alloying of impurity materials

• US Classifications

  • 432 - Heating
  • 219 - Electric heating
  • 257 - Active solid-state devices