3505572

Information

• Patent Grant
• 3505572

• References
• Source

• Patent Number

  3,505,572

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • H01L29/84 - controllable by variation of applied mechanical force
  • H01H33/882 - the movement being assisted by accelerating coils
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • H01L29/36 - characterised by the concentration or distribution of impurities in the bulk material
  • H01L29/66 - Types of semiconductor device; Multistep manufacturing processes therefor
  • H01L45/00 - Solid state devices adapted for rectifying, amplifying, oscillating or switching without a potential-jump barrier or surface barrier

• US Classifications

  • 257 - Active solid-state devices
  • 310 - Electrical generator or motor structure