| 摘要 |
PROBLEM TO BE SOLVED: To provide a physical detector capable of improving corrosion resistance of each of a circuit board and detection elements and improving characteristic accuracy for measuring an intake air temperature with a structure without increasing man-hours and/or components.SOLUTION: A physical quantity detector 300 of the present invention comprises: at least one detection element 453, 421, 422 detecting a physical quantity; a circuit board 400 including an electronic circuit processing a detection signal of the detection element; and a housing 302 accommodating the circuit board 400, the circuit board 400 includes a contact surface 401a in contact with measurement target gas 30, the detection element is provided on the contact surface of the circuit board 400, and an electrical connection portion between the circuit board 400 and the detection element is sealed with synthetic resin 405, 406.SELECTED DRAWING: Figure 14A |
