2923870

Information

• Patent Grant
• 2923870

• References
• Source

• Patent Number

  2,923,870

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1960
  64 years ago

• CPC

  • H01L27/0688 - Integrated circuits having a three-dimensional layout
  • H03F3/14 - with amplifying devices having more than three electrodes or more than two PN junctions

• US Classifications

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