2334554

Information

• Patent Grant
• 2334554

• References
• Source

• Patent Number

  2,334,554

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1943
  81 years ago

• CPC

  • H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive
  • H01L21/02521 - Materials
  • H01L21/02625 - using melted materials
  • H01L21/02631 - Physical deposition at reduced pressure
  • H01L21/02667 - Crystallisation or recrystallisation of non-monocrystalline semiconductor materials
  • 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
  • H01L21/103 - Conversion of the selenium or tellurium to the conductive state

• US Classifications

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