RESIN MOLDED SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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app pub date -
Sep 27, 2013
filing date -
Aug 29, 2008
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Abstract
This invention is directed to provide a method of manufacturing a resin molded semiconductor device with high reliability by preventing a resin leakage portion from occurring due to burrs on a lead frame formed by punching. The method of manufacturing the resin molded semiconductor device according to the invention includes bonding a semiconductor die on an island in a lead frame, electrically connecting the semiconductor die with the lead frame, resin-molding the lead frame on which the semiconductor die is bonded, and applying prior to the resin-molding a compressive pressure that is higher than a clamping pressure applied in the resin-molding to a region of the lead frame being clamped by molds in the resin-molding of the lead frame.
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