H - Electricity – 01 – L
Patent
H - Electricity
01
L
356/110, 356/135
H01L 23/48 (2006.01) H01L 21/56 (2006.01) H01L 23/31 (2006.01) H01L 23/495 (2006.01)
Patent
CA 1200623
ABSTRACT OF THE DISCLOSURE A lead frame comprising a first connecting band, a plurality of external leads extending in one direction from the first connecting band, a substrate support which further serves as a heat sink connected to a top of one of the external leads, strips which have portions of small cross-sectional areas and of a predetermined length, the cross sections being perpendicular to an extending direction of the strips, and one ends of which are connected to one side of the substrate support opposite to the other side connected to the external leads, and a second connecting band extending parallel to the first connecting band with the substrate support disposed therebetween, wherein the strips have a smaller thickness than the substrate support so that the strips are thinner than the substrate support and rear surfaces of the strips are at a higher level than a rear surface of the substrate support.
401752
Fujii Hiroyuki
Katoh Michio
Nishikawa Mikio
Tateno Kenichi
Wada Fujio
Gowling Lafleur Henderson Llp
Matsushita Electric Industrial Co. Ltd.
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