BGA-TYPE TAB TAPE AND BGA-TYPE SEMICONDUCTOR DEVICE

PROBLEM TO BE SOLVED: To provide a BGA-type TAB tape and a BGA-type semiconductor device which show superior characteristics in a PCT test. SOLUTION: A space B between feed leads 17 in the circumferential edge part of a composite film 1 of a wiring layer 3 is set to 0.20 mm or more.

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Bibliographische Detailangaben
Hauptverfasser:	OTAKA TATSUYA, TAKAHAGI SHIGEJI, SUGIMOTO HIROSHI, OMORI TOMOO, SUZUKI YUKIO
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:	PROBLEM TO BE SOLVED: To provide a BGA-type TAB tape and a BGA-type semiconductor device which show superior characteristics in a PCT test. SOLUTION: A space B between feed leads 17 in the circumferential edge part of a composite film 1 of a wiring layer 3 is set to 0.20 mm or more.