Flexible multi-range capacitive-type pressure sensor and preparation method and application thereof
A pressure sensor and multi-range technology, applied in fluid pressure measurement using capacitance changes, measuring fluid pressure, measuring fluid pressure through electromagnetic components, etc., can solve problems such as non-flexibility, non-flexibility of sensors, and damage to the integrity of the ring model , to achieve the effect of eliminating measurement errors and solving measurement errors
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[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0030]A flexible multi-range capacitive pressure sensor provided by an embodiment of the present invention includes a flexible substrate 1, a multi-level support island 2 and a pressure-sensitive film 3 arranged sequentially from bottom to top, and a bottom electrode 4 is arranged in the middle of the upper surface of the flexible substrate 1 , the middle part of the lower surface of the pressur...
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