Patent ID: 6097744
Filing Date: 2000-08-01
Classification: H01L,H01S,Y10T

Abstract:
A cooling device, comprising:a layered body of plate members stacked with each other and adapted for thermal contact with an object to be cooled;said layered body comprising:a first plate member of a metal, said first plate member having an inlet opening of a cooling medium;a first branched groove provided on a first side of said first plate member, said first branched groove having a first end in communication with said inlet opening and a plurality of branches each in communication with said first end, each of said plurality of branches having a second end opposite to said first end, said first branched groove thereby transporting therethrough said cooling medium from said first end to each of said second ends;a second plate member of a metal provided on said first side of said first plate member;a plurality of apertures provided on said second plate member respectively in correspondence to said second ends of said branches, each of said apertures being isolated from each other and allowing a passage of said cooling medium therethrough;a third plate member of a metal provided on said second plate member at a side of said second plate member opposite to a side facing said first plate member, said third plate member having an outlet opening of said cooling medium; anda second branched groove provided on said third plate member at a side thereof facing said second plate member, said second branched groove having a third end in communication with said outlet opening and a plurality of branches each in communication with said third end, each of said plurality of branches having a fourth end opposite to said third end, said second branched groove thereby transporting therethrough said cooling medium from said plurality of fourth ends to said third end;said plurality of fourth ends of said second branched groove corresponding to said plurality of apertures, respectively.