3842236

Information

• Patent Grant
• 3842236

• References
• Source

• Patent Number

  3,842,236

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • B23K15/0013 - Positioning or observing workpieces
  • B23K15/002 - Devices involving relative movement between electronbeam and workpiece
  • G05B19/188 - characterised by special applications and not provided for in the relevant subclasses, (
  • H01J37/3045 - Object or beam position registration
  • H01L21/68 - for positioning, orientation or alignment
  • G05B2219/42251 - Control position of beam in coordination with xy slide
  • G05B2219/43147 - Control power of tool as function of speed, velocity of movement

• US Classifications

  • 219 - Electric heating