| 摘要 |
In a semiconductor device, a pad electrode is disposed on a surface of a semiconductor substrate, and a surface-protective film is disposed on the surface of the semiconductor substrate and the pad electrode. The surface-protective film has an opening to expose a part of the pad electrode. A bump electrode is disposed on the part of the pad electrode exposed from the opening, and a bump is disposed on the bump electrode. The surface-protective film further has a slit at a location above the pad electrode. The slit has a frame shape surrounding a periphery of the bump electrode. The slit extends from a surface of the surface-protective film, which is opposite to the semiconductor substrate, and reaches the pad electrode.
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