| 摘要 |
PROBLEM TO BE SOLVED: To provide a sensor device capable of obtaining stable detection accuracy even if environmental temperature varies. ! SOLUTION: A magnetic sensor device 10 (sensor device) includes a circuit board 50, a magnetic sensor 3 (sensor) mounted on the circuit board 50, and a microcomputer 91 (first electronic component) mounted on the circuit board 50. On the magnetic sensor 3, a temperature monitoring resistance film (temperature sensor) and a heating resistance film (heater) are formed, and the heating resistance film heats a magnetic resistance element so that temperature of a magnetic resistance element used in the magnetic sensor 3 will be constant. On the circuit board 50, slits 52, 53 are formed such that part of the circuit board 50 is left around the magnetic sensor 3, and the slit 53 extends in a direction intersecting with a virtual line connecting the magnetic sensor 3 and the microcomputer 91. ! COPYRIGHT: (C)2015,JPO&INPIT |
