Semiconductor device
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United States of America Patent
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Jan 7, 2014
Grant Date -
Sep 20, 2012
app pub date -
Mar 9, 2012
filing date -
Mar 16, 2011
priority date (Note) -
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Abstract
A semiconductor device includes a semiconductor chip in which an internal circuit is formed, with the internal circuit having an output signal that fluctuates due to variation of fluctuation in electrical characteristics of multiple circuit elements constituting the internal circuit; a chip tab on which the semiconductor chip is mounted, with the semiconductor chip completely overlapping the chip tab and the circuit elements in the semiconductor chip arranged on the chip tab, and encapsulation resin within which the semiconductor chip and the chip tab are sealed. A horizontal surface area of the chip tab is smaller than that of the semiconductor chip, and a distance between a periphery of the chip tab and a periphery of the semiconductor chip is sufficient to cause stress exerted on the semiconductor chip by the encapsulation resin to be uniform across the horizontal surface area of the chip tab.
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