2881371

Information

• Patent Grant
• 2881371

• References
• Source

• Patent Number

  2,881,371

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1959
  66 years ago

• CPC

  • H01L21/108 - Provision of discrete insulating layers
  • 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

• US Classifications

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