3142021

Information

• Patent Grant
• 3142021

• References
• Source

• Patent Number

  3,142,021

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1964
  61 years ago

• CPC

  • H03F3/14 - with amplifying devices having more than three electrodes or more than two PN junctions
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L23/535 - including internal interconnections
  • H01L27/0658 - Vertical bipolar transistor in combination with resistors or capacitors
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • H01L2924/3011 - Impedance

• US Classifications

  • 330 - Amplifiers
  • 257 - Active solid-state devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems