| 摘要 |
PURPOSE:To enable absorption and relaxation of impact force applied from outside and to make a pressure detectible with high sensitivity, by dispersing ferroelectric ceramics powder, which is orientated in a dipolar state, in specific silicone resin. CONSTITUTION:A piezo electric type pressure sensitive element is formed by dispersing ferroelectric ceramics powder, which is orientated on a dipolar state, in silicone resin which is obtained by bridging the following substances: direct- chained polydimethyl siloxane with vinyl groups on both its ends, and polyhydrodiene siloxane with Si-H groups of at least two or more per one molecule. Accordingly impact force applied to this element from outside can be absorbed and relaxed, and besides a pressure can be detected with high sensitivity. This device is available in use for detection of gripping force at a manipulator part in a robot or for detection of retaining pressure in a hydraulic device or the like. |
