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Window-type semiconductor package to avoid peeling at moldflow entrance
Window-type semiconductor package to avoid peeling at moldflow entrance
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机译:窗口型半导体封装,避免在模流入口处剥离
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摘要
A window-type semiconductor package is disclosed to avoid peeling at the moldflow entrance, primarily comprising a substrate, a chip with the active surface attached to the substrate, a die-attaching layer bonding the active surface of the chip to a substrate core of the substrate, a plurality of bonding wires, and an encapsulant. The substrate core has a slot. One end of the slot outside the chip is formed as a moldflow entrance with two or more moldflow blocking lumps protrusively disposed on the substrate core and located at the intersections between one edge of the chip and the two opposing sides of the slot adjacent to the moldflow entrance. Accordingly, the moldflow pressures exerting at the die-attaching layer are blocked to avoid the peeling of the die-attaching layer at the moldflow entrance and to keep a constant die-attaching gap.
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