Highly Sensitive Reentrant Cavity-Microstrip Patch Antenna Integrated Wireless Passive Pressure Sensor for High Temperature Applications

Figure 8

Sensor physical structure. (a) Sensor cap after fine machining. (b) Top view of the sensor cap. (c) Back view of the sensor cap. (d) Sensor substrate after fine machining. (e) Sensor substrate with silver printed in the inner wall. (f) Assembled sensor.

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