3878005

Information

• Patent Grant
• 3878005

• References
• Source

• Patent Number

  3,878,005

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  50 years ago

• CPC

  • C04B41/009 - characterised by the material treated
  • C04B41/5361 - Etching with molten material
  • C04B41/91 - involving the removal of part of the materials of the treated articles
  • H01L21/4807 - Ceramic parts
  • H01L49/02 - Thin-film or thick-film devices

• US Classifications

  • 216 - Etching a substrate: processes
  • 252 - Compositions
  • 427 - Coating processes