FILM CARRIER

PURPOSE:To improve mechanical strength against pressure from the outside, by providing inner leads such that the inner leads disposed on the outer side have a larger width and the inner lead on the inner side have a smaller width, CONSTITUTION:Inner leads 9 disposed on the outside have a larger widt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NAKAMURA YUKIO, UMIBE SUSUMU
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:PURPOSE:To improve mechanical strength against pressure from the outside, by providing inner leads such that the inner leads disposed on the outer side have a larger width and the inner lead on the inner side have a smaller width, CONSTITUTION:Inner leads 9 disposed on the outside have a larger width than that of inner leads 10 disposed on the inside. The outside inner leads 9, which would otherwise be exposed most to stress from the outside and have a tendency to be easily broken, is improved in mechanical strength by having the larger width. Therefore, a film carrier having high reliability can be obtained.