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

摘要

An infrared-sensor filter member (10) includes an optical filter (33) disposed in an opening portion (h1) of a second member (31) and a first member (35). The infrared-sensor filter member (10) includes a recess portion (36) formed from a light-incident surface of the optical filter (33) and the first member (35). At least a part of a bottom surface of the recess portion (36) is formed by the light-incident surface and side walls of the recess portion (36), which are formed by the first member (35).