Patent ID: 7658223

Claim:
A boiling and cooling device comprising: a refrigerant tank for storing a refrigerant, a heating body attached to an outer surface of the refrigerant tank; and a radiating section for cooling and condensing the refrigerant, which is boiled by heat from the heating body, and for returning the condensed refrigerant to the refrigerant tank, wherein the refrigerant tank and the radiating section are joined to each other by a brazing process, the refrigerant tank includes a base plate made of copper, one face of the base plate is exposed to an inside of the refrigerant tank; a block made of copper, one face of the block is in direct contact with the base plate, an opposite face of the block is in direct contact with the heating body; and a frame for reinforcement arranged on a portion of the base plate not in contact with the block, the frame being in direct contact with the block; the frame is made of a material other than copper, the rigidity of the frame, after a completion of the brazing process, is higher than the rigidity of copper.