2411532

Information

• Patent Grant
• 2411532

• References
• Source

• Patent Number

  2,411,532

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1946
  78 years ago

• CPC

  • H01L21/08 - Preparation of the foundation plate
  • C23F1/28 - for etching iron group metals

• US Classifications

  • 252 - Compositions
  • 216 - Etching a substrate: processes
  • 257 - Active solid-state devices