Patent ID: 6666261
Filing Date: 2003-12-23
Classification: F28D,H01L

Abstract:
A heat sink device comprising:a base defining a bottom surface for heat conductively contacting with an electronic component generating heat during operation, said base defining therein a first cavity horizontally dimensioned little bit smaller than the base; a cover spatially disposed above and aligned with the base with a space therebetween, said cover being horizontally dimensioned similar to said base, said cover defining therein a second cavity horizontally dimensioned little bit smaller than the cover; first means formed in a periphery of the space and second means formed in a center of the space both to connect said cover and said base and also communicate the first cavity and the second cavity; liquid circulating from the first cavity, the first means, the second cavity and the second means and back to the first cavity; and fins disposed among the cover, the base, the first means and the second means for air flow heat transmission.