发明名称 Method of producing semiconductor devices
摘要 Apparatus for producing semiconductor devices is provided with mold and lead frame suitable for improving the production efficiency and product quality. Also disclosed is a method of producing semiconductor devices by means of the apparatus. The mold is characterized by the shape of a die and has a plurality of pots for pressure-feeding resin, a flow passage communicating the pots with each other so as to uniformalize the molding pressure applied to the pots even if there are variations in the weights of the resin charged in the pots, and a plurality of cavities disposed in series.
申请公布号 US4946633(A) 申请公布日期 1990.08.07
申请号 US19880184790 申请日期 1988.04.22
申请人 HITACHI, LTD. 发明人 SAEKI, JUNICHI;KANEDA, AIZO;TSUNODA, SHIGEHARU;YOSHIDA, ISAMU;NISHI, KUNIHIKO
分类号 B29C45/02;B29C45/14;H01L21/00;H01L21/56 主分类号 B29C45/02
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