Mold die for a semiconductor device

A technology is provided that can seal the opening in a wiring board using a transfer mold insulating resin from the opening. A mold die is used which includes a first die having a recess in a predetermined form and a second flat die. The first die is disposed on a surface of a wiring board which ha...

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Bibliographische Detailangaben
Hauptverfasser:	OKAMOTO AKIHIRO, SHIMAZAKI YOSUKE, KOMIYA KAZUMOTO, SHIBATA AKIJI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY PERFORMING OPERATIONS SEMICONDUCTOR DEVICES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A technology is provided that can seal the opening in a wiring board using a transfer mold insulating resin from the opening. A mold die is used which includes a first die having a recess in a predetermined form and a second flat die. The first die is disposed on a surface of a wiring board which has a plurality of openings and on which a semiconductor chip is mounted via an elastic material. The second die is disposed on a back surface of the wiring board opposite the surface on which the semiconductor chip is mounted. The mold is used for sealing with an insulating resin the periphery of the semiconductor chip and at least one of the openings of the wiring board, wherein the above-described second die has a protrusion around an area overlapping the opening to be sealed with the insulating resin.