Patent ID: 6140745
Filing Date: 2000-10-31
Classification: H01L,H02N

Abstract:
A device comprising:A piezoelectric element, said piezoelectric element having first and second major surface facing in opposite directions from each other;A first electrical contact plate being disposed adjacent said first major surface;A second electrical contact plate being disposed adjacent said second major surface;A housing having first and second interior sides substantially facing each other;A first recess in said first interior side of said housing;A second recess in said second interior side of said housing;A first end of said piezoelectric element being disposed within said first recess;A second end of said piezoelectric element being disposed within said second recess;Said housing comprising a moveable piston member, said piston member being moveable with respect to said first and second sides of said housing;And said moveable piston member being mechanically secured to said first electrical contact.