3661635

Information

• Patent Grant
• 3661635

• References
• Source

• Patent Number

  3,661,635

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  53 years ago

• CPC

  • C04B41/009 - characterised by the material treated
  • C04B41/5133 - with a composition mainly composed of one or more of the refractory metals
  • C04B41/5138 - with a composition mainly composed of Mn and Mo
  • C04B41/88 - Metals
  • H01L21/705 - of thick-film circuits or parts thereof
  • H05K3/02 - in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
  • H05K1/092 - Dispersed materials
  • H05K3/064 - Photoresists
  • H05K2203/025 - Abrading
  • Y10T428/24802 - Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
  • Y10T428/24851 - Intermediate layer is discontinuous or differential
  • Y10T428/24917 - including metal layer
  • Y10T428/24926 - including ceramic, glass, porcelain or quartz layer

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 257 - Active solid-state devices
  • 427 - Coating processes
  • 430 - Radiation imagery chemistry: process, composition, or product thereof