3591840

Information

• Patent Grant
• 3591840

• References
• Source

• Patent Number

  3,591,840

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1971
  53 years ago

• CPC

  • H01L29/8605 - Resistors with PN junctions
  • H01L21/82 - to produce devices
  • H01L27/0647 - Bipolar transistors in combination with diodes, or capacitors, or resistors
  • Y10S148/036 - Diffusion, nonselective
  • Y10S148/049 - Equivalence and options
  • Y10S148/085 - Isolated-integrated
  • Y10S148/151 - Simultaneous diffusion

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems