3929531

Information

• Patent Grant
• 3929531

• References
• Source

• Patent Number

  3,929,531

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1975
  49 years ago

• CPC

  • H01L25/074 - Stacked arrangements of non-apertured devices
  • H01L21/30604 - Chemical etching
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • Y10S148/054 - Flat sheets-substrates

• US Classifications

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