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Patent Title

Piezoelectric linear motor offering enhanced displacement

    Patent registration or application number

  • 10-0768513   PDF Download
  • US8283838B2   PDF Download

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

  • 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   View

  • 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)   View

  • Continuous operation possible   View

  • Low cost

Applications

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