Patent ID: 8640551
Filing Date: 2014-02-04
Classification: B25J,B66C,H01L,Y10S

Abstract:
1. A force sensor comprising: a support body including a first opening defined by a first pair of straight parts perpendicular to a first direction and parallel to each other and a second opening defined by a second pair of straight parts perpendicular to a second direction and parallel to each other, the second direction crossing the first direction; a support film provided on the support body, the support film closing the first opening and the second opening; a first piezoelectric part provided on the support film and extending astride an inside and an outside of the first opening and along at least one of the first pair of straight parts; a second piezoelectric part provided on the support film and extending astride an inside and an outside of the second opening and along at least one of the second pair of straight parts; and an elastic layer covering the first piezoelectric part, the second piezoelectric part and the support film.