发明名称 ADVANCED QUAD FLAT NO LEAD CHIP PACKAGE HAVING A CAVITY STRUCTURE AND MANUFACTURING METHODS THEREOF
摘要 A semiconductor package and related methods are described. In one embodiment, the package includes a die pad, a plurality of leads, a chip, and a package body. The die pad includes: (1) a peripheral edge region defining, a cavity with a cavity bottom including a central portion; (2) an upper sloped portion; and (3) a lower sloped portion. Each lead includes an upper sloped portion and a lower sloped portion. The chip is disposed on the central portion of the cavity bottom and is coupled to the leads. The package body is formed over the chip and the leads, substantially fills the cavity, and substantially covers the upper sloped portions of the die pad and the leads. The lower sloped portions of the die pad and the leads at least partially extend outwardly from a lower surface of the package body.
申请公布号 US2009230523(A1) 申请公布日期 2009.09.17
申请号 US20080192702 申请日期 2008.08.15
申请人 发明人 CHIEN PAO-HUEI CHANG;HU PING-CHENG;CHEN CHIEN-WEN;LEE HSU-YANG
分类号 H01L23/495;H01L21/60 主分类号 H01L23/495
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