3659162

Information

• Patent Grant
• 3659162

• References
• Source

• Patent Number

  3,659,162

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • H01L23/535 - including internal interconnections
  • H01L21/242 - Alloying of doping materials with AIIIBV compounds
  • H01L21/762 - Dielectric regions
  • H01L27/0772 - Vertical bipolar transistor in combination with resistors only
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • Y10S148/085 - Isolated-integrated
  • Y10S148/122 - Polycrystalline
  • Y10S148/135 - Removal of substrate

• US Classifications

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