TWO LEVEL LEADFRAME WITH UPSET BALL BONDING SURFACE AND DEVICE PACKAGE

A leadframe, device package, and mode of construction configured to attain a thin profile and improved thermal performance. Leadframes of this invention include a raised die attachment pad arrange above distal ends of leadframe leads. A package will further include a die electrically coupled with an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE LEE HAN MENG @ EUGENE, CHUA CHEN SEONG, OOI KOOI CHOON, LIM WEI FEN SUEANN
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A leadframe, device package, and mode of construction configured to attain a thin profile and improved thermal performance. Leadframes of this invention include a raised die attachment pad arrange above distal ends of leadframe leads. A package will further include a die electrically coupled with an underside surface of the raised die attachment pad, in one example, using ball bonds, the whole sealed in an encapsulant that exposed a bottom portion of the die and a portion of a lead. Two leadframe stacks of such packages are also disclosed as are methods of manufacture.