3581164

Information

• Patent Grant
• 3581164

• References
• Source

• Patent Number

  3,581,164

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • H01L27/0777 - Vertical bipolar transistor in combination with capacitors only
  • H01L29/93 - Variable capacitance diodes
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/085 - Isolated-integrated
  • Y10S148/145 - Shaped junctions
  • Y10S438/901 - Capacitive junction

• US Classifications

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