发明名称 Process to form semiconductor packages with external leads
摘要 This invention discloses a process for packaging semiconductor device with external leads. The process includes comprises Step 1: providing a lead frame comprising a plurality of lead frame units connected by a plurality of metal beams, each lead frame unit comprising a die pad and a plurality of leads located on opposite sides of the die pad; adhering a semiconductor chip onto each of the die pad, and providing a plurality of metal connections for electrically connecting each chip to its corresponding leads; Step 2 providing a plastic molding material to enclose the plurality of the lead frame units, the metal beams, the chips, and at least portions of the metal connections; Step 3 removing a portion of the plastic molding material above the metal beams to expose the metal beams and portions of the leads in connection with the metal beams; and Step 4 separating each lead frame unit, forming a plurality of individual semiconductor plastic package components with external leads.
申请公布号 US2011129961(A1) 申请公布日期 2011.06.02
申请号 US20090592596 申请日期 2009.11.30
申请人 ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED 发明人 XUE YAN XUN;LU JUN
分类号 H01L21/78 主分类号 H01L21/78
代理机构 代理人
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