Electronic component, semiconductor device employing same,...

Details Electronic component, semiconductor device employing same,... Electronic component, semiconductor device employing same,...

2007-06-04

2010-06-01

Vu, David (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Combined with electrical contact or lead

Of specified material other than unalloyed aluminum

C438S612000, C257SE21169

Reexamination Certificate

active

07728431

ABSTRACT:
Herein disclosed an electronic component having a passivation layer in which an opening that exposes a part of a pad electrode is formed, an underlying metal layer formed on the pad electrode and the passivation layer, and a barrier metal layer formed on the underlying metal layer for an external connection electrode, the electronic component including a recess or/and a projection configured to be provided under the barrier metal layer outside or/and inside the opening, the underlying metal layer being formed on the recess or/and the projection and having a surface shape that follows the recess or/and the projection.

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