2822310

Information

• Patent Grant
• 2822310

• References
• Source

• Patent Number

  2,822,310

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  67 years ago

• CPC

  • H01L29/36 - characterised by the concentration or distribution of impurities in the bulk material
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • H01L29/0804 - Emitter regions of bipolar transistors
  • H01L29/0821 - Collector regions of bipolar transistors
  • Y10S148/032 - Diffusion length

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment