2718688

Information

• Patent Grant
• 2718688

• References
• Source

• Patent Number

  2,718,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1955
  69 years ago

• CPC

  • H01L21/12 - Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to the foundation plate

• US Classifications

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