Patent ID: 7312406

Claim:
A sensor comprising: a metallic housing having a hollow portion; a metallic terminal pin, a part of which is inserted into the hollow portion of the housing; a pressure sensing element connected to one end of the terminal pin and disposed in the hollow portion; and a resin casing; wherein another end of the terminal pin and the resin casing provide a connector for connecting an outer circuit outside the sensor, wherein a part of the resin casing is disposed in the hollow portion, wherein the terminal pin and the housing are molded with the resin casing by insert molding so that the resin casing, the terminal pin, and the housing are integrated together, wherein the one end and the another end of the terminal pin protrude from the resin casing, wherein the hollow portion of the housing includes an inner wall having an uneven portion for increasing bonding strength between the resin casing and the housing, and wherein the hollow portion of the housing further includes a through hole penetrating the inner wall of the hollow portion.