SEMICONDUCTOR DEVICE AND ITS PRODUCING METHOD

SEMICONDUCTOR DEVICE AND ITS PRODUCING METHOD

A semiconductor device includes a substrate, a pad electrode formed on the substrate and a bump electrode formed on the pad electrode, wherein the pad electrode has an irregular flaw, and there is provided a pattern covering the irregular flaw between the pad electrode an the bump electrode.

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Bibliographische Detailangaben
Hauptverfasser: SATOH, AKIRA, TOIDA, YASUSHI, MISAWA, KAZUHIRO, MURATA, KOICHI, TAMAGAWA, MICHIAKI, WATANABE, EIJI, ISHIGURI, MASAHIKO, CHIBA, SHUICHI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A semiconductor device includes a substrate, a pad electrode formed on the substrate and a bump electrode formed on the pad electrode, wherein the pad electrode has an irregular flaw, and there is provided a pattern covering the irregular flaw between the pad electrode an the bump electrode.