3780359

Information

• Patent Grant
• 3780359

• References
• Source

• Patent Number

  3,780,359

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1973
  50 years ago

• CPC

  • H01L29/7371 - Vertical transistors
  • H01L21/30612 - Etching of AIIIBV compounds
  • Y10S148/051 - Etching
  • Y10S148/072 - Heterojunctions
  • Y10S148/107 - Melt

• US Classifications

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