3702790

Information

• Patent Grant
• 3702790

• References
• Source

• Patent Number

  3,702,790

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1972
  52 years ago

• CPC

  • H01L21/763 - Polycristalline semiconductor regions
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/085 - Isolated-integrated
  • Y10S148/096 - Lateral transistor
  • Y10S148/122 - Polycrystalline
  • Y10S148/167 - Two diffusions in one hole
  • Y10S438/969 - Simultaneous formation of monocrystalline and polycrystalline regions

• US Classifications

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