CPC F16D 66/00 (2013.01) [F16D 65/092 (2013.01); G01L 1/16 (2013.01); H05K 3/1216 (2013.01); F16D 2066/005 (2013.01); F16D 2200/0004 (2013.01); F16D 2250/0038 (2013.01); F16D 2250/0061 (2013.01)] | 20 Claims |
1. A brake pad comprising:
a backplate;
a friction pad; and
a force sensor between the backplate and the friction pad and configured to detect a force applied to the brake pad, the force sensor comprising:
a sheet of piezoelectric material having a first face and a second face that is opposite the first face;
a first electrode located on the first face of the sheet of piezoelectrical material; and
a second electrode located on the second face of the sheet of piezoelectrical material, wherein the sheet of piezoelectric material is configured to be bulk polarized in-situ.
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