3142561

Information

• Patent Grant
• 3142561

• References
• Source

• Patent Number

  3,142,561

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1964
  60 years ago

• CPC

  • H01L31/08 - in which radiation controls flow of current through the device
  • G03G15/342 - by forming a uniform powder layer and then removing the non-image areas
  • G03G19/00 - Processes using magnetic patterns Apparatus therefor
  • Y10S55/39 - Electrets separator
  • Y10T307/565 - Fixed or predetermined ratio

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 055 - Gas separation
  • 257 - Active solid-state devices
  • 307 - Electrical transmission or interconnection systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 347 - Incremental printing of symbolic information