Patent ID: 7531441
Filing Date: 2009-05-12
Classification: H01L

Abstract:
1. A method of manufacturing a semiconductor device, comprising the steps of: (a) providing a wiring substrate having a plurality of package substrate-forming areas, a dicing area arranged between the plurality of package substrate-forming areas, a plurality of wiring lines, each formed continuously in the package substrate-forming areas and the dicing area, and a plurality of electrode pads electrically connected with the plurality of wiring lines; (b) mounting a plurality of semiconductor chips over the plurality of the package substrate-forming areas, respectively; (c) electrically connecting the plurality of semiconductor chips and the plurality of electrode pads; (d) sealing the plurality of semiconductor chips and a main surface of the wiring substrate with resin; and (e) cutting the wiring substrate and the resin by running a dicing blade along the dicing area, wherein the method further comprises, after step (a) and before step (d), a step of removing a portion of each of the plurality of wiring lines in the dicing area by using a router, and wherein a width of the dicing blade is smaller than a width of the router.