Prototype of sapphire ultra-high temperature pressure sensor and its preparation method
A pressure sensor, sapphire technology, applied in the direction of measuring fluid pressure, fluid pressure measurement using capacitance changes, fluid pressure measurement using inductance changes, etc., can solve problems such as gaps and limited operating temperature ranges
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[0034] In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0035] Such as figure 1 and Figure 8 As shown, the embodiment of the present invention provides a prototype of a sapphire ultra-high temperature pressure sensor, which is divided into a high temperature zone, a heat insulation zone and a low temperature zone, including a sapphire passive high temperature resistant pressure sensitive element, a long-distance wireless transmission module, and a characteristic signal wireless Read the storage module, the sapphire passive high-temperature resistant pressure sensitive element is provided with a sensitive sealed cavity 1, and the outer end of the sensitive sealed cavity 1 is equipped with a heat-res...
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