| 摘要 |
<p>A simple, reliable and inexpensive ultra-high pressure transducer includes a basic capacitive transducer, made of two closely spaced insulating plates (50, 60) whose opposed faces contain conductive layers, and one of which plates is a thin and flexible diaphragm (50) of low mechanical hysteresis. In mechanical coupling proximity with this insulating diaphragm is a thick metal diaphragm (20) which is a part of the ultra-high pressure coupling component. The flexure of this thick metal diaphragm (80) under ultra-high pressures, which are applied only on the side opposite the insulating diaphragm (32, 34), determines the magnitude of the deflection of both diaphragms, and, corresponding to the resultant output capacitance level, provides a measure of the ultra-high pressure level.</p> |
