FILTER MEMBER FOR INFRARED SENSORS, METHOD FOR PRODUCING SAME, INFRARED SENSOR AND METHOD FOR MANUFACTURING INFRARED SENSOR

摘要

A filter member (10) for infrared sensors comprises: an optical filter (33) that is arranged within an opening (h1) of a second member (31); and a first member (35). This filter member (10) for infrared sensors is provided with a recess (36) that is formed of the light exit surface of the optical filter (33) and the first member (35). At least a part of the bottom surface of the recess (36) is formed of the light exit surface of the optical filter (33), and the lateral surface of the recess (36) is formed of the first member (35).