Patent ID: 8330335
Filing Date: 2012-12-11
Classification: H01L

Abstract:
1. A power generating device comprising: (a) a sheet of piezo material having the capability of generating an electric field when subjected to mechanical strain, said sheet having a thickness in the range of 0.005 to 200 mm and having (i) a first surface and a second surface spaced therefrom and substantially parallel thereto and (ii) a plurality of recesses or holes extending from the first surface toward the second surface, wherein said recesses or holes are square, said recesses or holes being positioned (A) in a plurality of rows, each extending in a straight line path in a first direction and being parallel to each adjacent row extending in said first direction, said first direction rows being spaced from each adjacent row to define a plurality of parallel aligned spaces, and (B) a plurality of rows, each extending in a second direction substantially perpendicular to said first direction; and (b) magnetostrictive material positioned in at least some of said recesses or holes.