2802760

Information

• Patent Grant
• 2802760

• References
• Source

• Patent Number

  2,802,760

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1957
  67 years ago

• CPC

  • H01L21/31662 - of silicon in uncombined form
  • C04B41/52 - Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/02238 - silicon in uncombined form
  • H01L21/02255 - formation by thermal treatment
  • Y10S148/036 - Diffusion, nonselective
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/043 - Dual dielectric
  • Y10S148/049 - Equivalence and options
  • Y10S148/118 - Oxide films
  • Y10S148/144 - Shallow diffusion
  • Y10S148/151 - Simultaneous diffusion
  • Y10S438/92 - Controlling diffusion profile by oxidation
  • Y10S438/923 - Diffusion through a layer

• US Classifications

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