3664837

Information

• Patent Grant
• 3664837

• References
• Source

• Patent Number

  3,664,837

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • G03C1/4965 - evaporated
  • H01L49/02 - Thin-film or thick-film devices
  • H05K3/105 - by conversion of non-conductive material on or in the support into conductive material

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof