Staas & Halsey LLP
Process for manufacturing semiconductor device
A process for manufacturing a semiconductor device, the process comprising the steps of: covering an electrode terminal forming surface of a semiconductor wafer, on which a plurality of semiconductor elements are formed and arranged, with a cover layer comprising a flexible insulating film on which re-wiring patterns are formed, to adhere the cover layer to the electrode terminal forming surface, in such a manner that electrode terminals of the semiconductor elements are electrically connected with connecting terminals of the re-wiring patterns; forming the semiconductor wafer with grooves from the surface opposite to the electrode terminal forming surface thereof, so that the grooves extend along boundary lines of the semiconductor elements; dividing the semiconductor wafer with the cover layer to obtain a plurality of units, each unit comprising a plurality of the semiconductor elements and a sub-divided cover layer to define a single semiconductor device; and folding the cover layer of the respective divided unit along the grooves, so that at least some of the semiconductor elements in the respective unit are stacked.
Shinko Electric Industries Co., Ltd.
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Shoji
Watanabe