Patent ID: 8866290

Claim:
A method of fabricating a heat spreader, comprising: providing a heat spreader mold having first and second cavity portions corresponding to first and second cavities, respectively, in the heat spreader; providing first and second inserts in the first and second cavity portions, respectively, of the heat spreader mold such that a face of the first insert is positioned to form a bottom surface of the first cavity in the heat spreader and a face of the second insert is positioned to form a bottom surface of the second cavity in the heat spreader; providing a molding material in a portion of the heat spreader mold such that the molding material is disposed between the first and second inserts and coupled with a first side of the first insert and a second side of the second insert; and after the molding material has set, removing the first and second inserts and the set molding material from the heat spreader mold as the heat spreader, wherein the set molding material forms at least a portion of a side wall of the first cavity and at least a portion of a side wall of the second cavity.