3916431

Information

• Patent Grant
• 3916431

• References
• Source

• Patent Number

  3,916,431

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1975
  49 years ago

• CPC

  • H01L29/0821 - Collector regions of bipolar transistors
  • Y10S148/007 - Autodoping
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/085 - Isolated-integrated
  • Y10S148/145 - Shaped junctions

• US Classifications

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