3481801

Information

• Patent Grant
• 3481801

• References
• Source

• Patent Number

  3,481,801

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1969
  55 years ago

• CPC

  • H01L21/761 - PN junctions
  • H01L21/8222 - Bipolar technology
  • Y10S148/007 - Autodoping
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/085 - Isolated-integrated
  • Y10S148/098 - Layer conversion

• US Classifications

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