Piezoelectric linear motor

Patent Title

Piezoelectric linear motor offering enhanced displacement
Patent registration or application number

Operation principle

By making the dome-shaped piezoelectric ceramic for the first time in the world designed by our unique ceramic powder injection molding technology, we obtained enhanced displacement of linear motor (Maximum displacement is 60mm).

Characteristics

OVERVIEW
  • Various size dome shape piezoelectric(diameter: 2 ~ 30mm)
  • World first single layer dome shape linear motor
  • Semi-permanent durability (as proven over a million times)
  • Generating force : 40gf~300gf click video
  • The large displacement (up to 60mm) of the piezoelectric linear motors
  • Low voltage (less than 30V)
  • A simple drive circuit
  • Step driving is possible (minimum travel distance: 50 ~ 100nm) click video
  • Continuous operation possible click video
  • Low cost

Applications

  • Precision control (X-Y stage, etc.)
  • Automotive
  • Camera zoom lens