Patent 7943423 was granted and assigned to Infineon Technologies on May, 2011 by the United States Patent and Trademark Office.
A method of manufacturing semiconductor device comprises placing multiple chips onto a carrier. An encapsulation material is applied to the multiple chips and the carrier for forming an encapsulation workpiece. The encapsulation workpiece having a first main face facing the carrier and a second main face opposite to the first main face. Further, marking elements are applied to the encapsulation workpiece relative to the multiple chips, the marking elements being detectable on the first main face and on the second main face.