FLEXIBLE TAPE FOR FORMING FINE PATTERN AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a film base IC mounted board which can utilize the prior art TAB tape manufacturing line and has an ultrafine pitch of 50μm or less, particularly, a flexible tape which can be bonded with outer leads by bending TAB system after mounting an LCD driven IC. SOLUTION: Th...

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1. Verfasser: NAGAI KAZUMI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a film base IC mounted board which can utilize the prior art TAB tape manufacturing line and has an ultrafine pitch of 50μm or less, particularly, a flexible tape which can be bonded with outer leads by bending TAB system after mounting an LCD driven IC. SOLUTION: This bending tape consists of a first film layer (a) and a second film layer (c) with an adhesive layer (b) in between: the second film layer is surfaced with a metal layer (d), and the first film layer (a) and the adhesive layer (b) can easily be released integrally from the rear of the second film layer (c).