Patent ID: 7629581

Claim:
An infrared sensor comprising: a base in which a first electrode and a plurality of supporting portions having a predetermined height are provided on a first principal surface of the base; a pyroelectric element mounted on upper surfaces of the supporting portions; and a connection electrode provided on a second principal surface of the base that is opposite to the first principal surface of the base; wherein the supporting portions, the first electrode, and the connection electrode are integrally provided with the base; a second electrode is provided on a principal surface of the pyroelectric element; the second electrode opposes the first electrode, and is conductively connected to the first electrode via a predetermined amount of cured conductive paste; the supporting portions are made of a material having a main component of at least one of glass, ceramic and resin; the supporting portions and the base are made of the same material; the first electrode is a metal plate; and the first electrode is electrically connected to the connection electrode.