FOLDED-FLEX BONDWIRE-LESS MULTICHIP POWER PACKAGE

FOLDED-FLEX BONDWIRE-LESS MULTICHIP POWER PACKAGE

A multichip wirebond-less integrated circuit and power die package is based on a folded single-layer flex circuit. The package is formed with metal-studbumped power dies and IC's flipchiped to a patterned flex substrate. Extensions of the flex substrate are folded and attached to the backside o...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HAQUE SHATIL, BRUNING GERT
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:A multichip wirebond-less integrated circuit and power die package is based on a folded single-layer flex circuit. The package is formed with metal-studbumped power dies and IC's flipchiped to a patterned flex substrate. Extensions of the flex substrate are folded and attached to the backside of the dies for electrical and/or thermal contact. I/O pins are along the periphery of the package for standard SMT mounting while heatspreaders are attached to both sides of the package for double-sided cooling.