发明名称 LEAD FRAME AND RESIN MOLDING METHOD OF IT
摘要 PURPOSE:To provide a lead frame which shows a high separability of a lead frame rim, particularly, from the resin hardened at a gate zone of the lower die in resin molding of the lead frame by using a resin of high adhesiveness. CONSTITUTION:A metal layer 21 such as of nickel or zinc inferior in adhesiveness with the mold resin is formed on a lead frame rim 6. A location for its formation should be, at least, a zone where the rim crosses a gate 14 of the lower die 10 for resin-molding a semiconductor pellet 2 mounted on this lead frame.
申请公布号 JPH0513620(A) 申请公布日期 1993.01.22
申请号 JP19910185586 申请日期 1991.06.28
申请人 NEC KANSAI LTD 发明人 KIYOHARA TOSHINORI
分类号 B29C45/02;B29K105/22;B29L31/34;H01L21/56;H01L23/28 主分类号 B29C45/02
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