| abstract |
A cooling plate (1) comprising a resin-made plate (2) in which a plurality of grooves are formed, and a metal plate (3) provided on the surface of the resin-made plate (2) on which the grooves are formed, the resin-made plate (2) The metal plate (3) is joined via the adhesive layer 4, and the groove portion of the resin plate (2) forms a cooling water flow path (8). |