2453763

Information

• Patent Grant
• 2453763

• References
• Source

• Patent Number

  2,453,763

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1948
  77 years ago

• CPC

  • H01L21/10 - Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
  • H01L21/101 - Application of the selenium or tellurium to the foundation plate

• US Classifications

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