3623923

Information

• Patent Grant
• 3623923

• References
• Source

• Patent Number

  3,623,923

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • H01L21/22 - Diffusion of impurity materials
  • A47B61/04 - for shoes, hats, umbrellas, or the like
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L27/00 - Devices consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate
  • Y10S148/035 - Diffusion through a layer
  • Y10S148/085 - Isolated-integrated
  • Y10S148/106 - Masks, special
  • Y10S148/15 - Silicon on sapphire SOS
  • Y10S148/167 - Two diffusions in one hole

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 257 - Active solid-state devices