Patents Assigned to Physik Instrumente (PI) GmbH Produktions & Marketing KG
  • Piezoelectric positioning element
    Patent number: 4835434
    Abstract: The invention relates to a piezoelectric positioning element having a micrometer screw, which is combined with a piezotranslator via an intermediate part that is adjustable in length. The stationary portion and the piezoelectrically adjustable portion of the intermediate part are joined to one another by means of a parallel spring guide. The translator may also be made of an electrostrictive or magnetostrictive material.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: May 30, 1989
    Assignee: Physik Instrumente (PI) GmbH Produktions & Marketing KG
    Inventor: Harry Marth