3909304

Information

• Patent Grant
• 3909304

• References
• Source

• Patent Number

  3,909,304

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • H01L27/0826 - Combination of vertical complementary transistors
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/74 - Making of localized buried regions
  • Y10S148/007 - Autodoping
  • Y10S148/017 - Clean surfaces
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/051 - Etching
  • Y10S148/085 - Isolated-integrated
  • Y10S148/145 - Shaped junctions
  • Y10S148/151 - Simultaneous diffusion
  • Y10S438/92 - Controlling diffusion profile by oxidation

• US Classifications

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