3722079

Information

• Patent Grant
• 3722079

• References
• Source

• Patent Number

  3,722,079

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • H01L21/76297 - Dielectric isolation using EPIC techniques
  • H01L21/743 - Making of internal connections, substrate contacts
  • H01L23/535 - including internal interconnections
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • Y10S148/036 - Diffusion, nonselective
  • Y10S148/049 - Equivalence and options
  • Y10S148/085 - Isolated-integrated
  • Y10S148/122 - Polycrystalline

• US Classifications

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