SEMICONDUCTOR DEVICE

To provide a semiconductor device capable of suppressing characteristic fluctuation of a MOS transistor caused by moisture infiltration at an unintended position, such as cracks on a passivation film, as a starting point.SOLUTION: A semiconductor device 100 comprises: a semiconductor element 10 form...

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1. Verfasser: HASHITANI MASAYUKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a semiconductor device capable of suppressing characteristic fluctuation of a MOS transistor caused by moisture infiltration at an unintended position, such as cracks on a passivation film, as a starting point.SOLUTION: A semiconductor device 100 comprises: a semiconductor element 10 formed on a semiconductor substrate; a guard ring metal film 109 formed on an isolation insulating film 111 in an outer peripheral region 117 surrounding the semiconductor element 10; an interlayer insulating film 112 formed on the semiconductor element 10 and the guard ring metal film 109; and a passivation film 115 formed on the interlayer insulating film 112.SELECTED DRAWING: Figure 1 【課題】パッシベーション膜のクラックなど、意図しない箇所を起点とした水分浸入によるMOSトランジスタの特性変動が抑制された半導体装置を提供する。【解決手段】半導体装置100は、半導体基板に形成された半導体素子10と、半導体素子10を囲む外周領域117の分離絶縁膜111上に形成されたガードリング金属膜109と、半導体素子10とガードリング金属膜109の上に形成された層間絶縁膜112と層間絶縁膜112上に形成されたパッシベーション膜115とを備える。【選択図】図1