Patent ID: 6688377
Filing Date: 2004-02-10
Classification: F28D,H01L

Abstract:
A heat exchanger, comprising:a) a vapor chamber, having a hollow space with a layer of wick; and b) a heat exchange unit having: i) a lower side which is set on said vapor chamber; ii) at least one fluid path, with air holes running next to said fluid path; iii) a metal external plate; and iv) at least one metal base plate, said at least one metal base plate and said external plate being piled up, having at least one elongated ridge with two ends, and a projecting connecting tube being located at said two ends respectively with an upper end thereof having through holes; wherein said hollow space in the vapor chamber and said fluid path in said heat exchange unit communicate with each other as a circuit and wherein every two neighboring base plates are disposed to be reversed to each other, with said ridges thereof forming horizontal tubes and said connecting tubes and said grooves thereof connecting with each other in series to form vertical tubes, and said external plate is placed on an upper most base plate to close said through holes.