| abstract |
A cooling unit including a structure in which a resin box body and a metal plate-shaped lid body are joined, so that at least one of the upper surface and the lower surface of the box body is open and the opening is closed. The plate-shaped lid is joined to the box body, and the wall surface of the box body is provided with a refrigerant introduction port and a refrigerant discharge port for allowing the refrigerant to flow inside the box body, and a flow path is formed inside the box body. A cooling unit in which ribs are provided and a part or all of the box body is formed of a fiber-reinforced resin and / or a resin containing an inorganic particle filler. |