2282523

Information

• Patent Grant
• 2282523

• References
• Source

• Patent Number

  2,282,523

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1942
  82 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
  • B41N1/12 - non-metallic other than stone
  • H01L21/101 - Application of the selenium or tellurium to the foundation plate
  • H01L21/103 - Conversion of the selenium or tellurium to the conductive state

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 136 - Batteries: thermoelectric and photoelectric
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 257 - Active solid-state devices