2472938

Information

• Patent Grant
• 2472938

• References
• Source

• Patent Number

  2,472,938

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1949
  75 years ago

• CPC

  • H01L23/16 - Fillings or auxiliary members in containers or encapsulations
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/54 - Providing fillings in containers
  • H01L23/26 - including materials for absorbing or reacting with moisture or other undesired substances
  • H01L24/00 - Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
  • H01L2924/12037 - Cat's whisker diode

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 438 - Semiconductor device manufacturing: process