Patent ID: 7051793

Claim:
A cooler having a housing in which a closed interior space is formed completely sealed from the environment and from any fluid access to hold a liquid, vaporizable coolant or heat-transport medium, with at least one first cooling or vaporization area formed in the housing interior for accommodating a heat output and a second condensation area formed in the housing and is spatially distant for dissipating heat, the housing comprising: a plurality of plates which are superficially joined to one another and which are provided with a plurality of openings for forming channels which are interconnected and which join the first area and the second area; and at least two metal, layers which follow one another in a stack and are structured to form at least one capillary area which extends between the first cooling or vaporization area and the second condensation area, and that at least one other metal layer is structured to form a vapor channel structure with at least one vapor channel, such that the at least one vapor channel extends between the first area and second area and has a flow cross section which is larger than a flow cross section of the at least one capillary area.