3444443

Information

• Patent Grant
• 3444443

• References
• Source

• Patent Number

  3,444,443

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • 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
  • H01L29/73 - Bipolar junction transistors
  • Y10S148/036 - Diffusion, nonselective
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/085 - Isolated-integrated

• US Classifications

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