Patent ID: 6747873
Filing Date: 2004-06-08
Classification: H01L

Abstract:
A microelectronic assembly, comprising:a microelectronic die having a back surface and an active surface; a heat dissipation device coupled to the microelectronic die back surface, wherein said heat dissipation device comprises: a base portion having a dissipation surface and a substantially opposed mounting surface; at least one channel defined in the base portion, wherein said at least one channel extends from said dissipation surface to said mounting surface; a plurality of projections extending from said base portion dissipation surface; a fan mounted on at least a portion of said plurality of projections to provide airflow substantially towards said at least one channel; and a shroud formed between said fan and said base portion, and formed proximate to said plurality of projections; and a substrate having a primary and a secondary side, wherein said substrate secondary side is coupled to said microelectronic die active surface; and another fan coupled to the secondary side of said substrate, said other fan positioned to provide airflow to at least a portion of said secondary side.