Sensor
A sensor and core technology, applied in the field of sensors, can solve problems such as limiting the range of use of sensors, affecting the deformation of silicon chips, and large measurement errors, and achieves the effects of large-scale production, reliability and high precision, and reduced product costs.
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[0013] refer to figure 1 , a sensor of the present invention, comprising a circuit board 1, a pressure core 2 is bound on the circuit board 1 through a conductive wire 8, and a conductor 3 is connected to the outside of the pressure core 2, and the circuit board 1 is based on ceramics ceramic circuit board. This sensor uses a ceramic circuit board with ceramics as the substrate. Since the thermal expansion coefficient of the ceramic is close to that of the pressure core, it avoids the difference in thermal expansion coefficient between the two, and the deformation of the circuit board will affect the deformation of the pressure core. Sensors in different temperature ranges have reliable high precision. At the same time, the ceramic circuit board with ceramics as the substrate is a conventional circuit board with low cost, which is conducive to large-scale production and can effectively reduce product costs. Circuit boards based on ceramics have excellent mechanical strength,...
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