Semiconductor integrated device for display drive

Semiconductor integrated device for display drive

In a display drive IC chip of an LCD or the like, an alignment mark is arranged in an alignment mark arrangement region on the main surface thereof, a dummy pattern is arranged on a lower layer, and an actual pattern is further arranged on the lower layer.

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Bibliographische Detailangaben
Hauptverfasser: KOKETSU MASAMI, KUMAGAI YASUHIRO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:In a display drive IC chip of an LCD or the like, an alignment mark is arranged in an alignment mark arrangement region on the main surface thereof, a dummy pattern is arranged on a lower layer, and an actual pattern is further arranged on the lower layer.