Patent ID: 8705248
Filing Date: 2014-04-22
Classification: H01L,H05K,Y10T

Abstract:
1. A multilayer printed circuit board, comprising: a first resin-insulating layer having a concave portion in which a semiconductor element is placed; an electromagnetic shielding structure surrounding said concave portion and configured to electromagnetically shield the semiconductor element; a second resin-insulating layer provided on the first resin-insulating layer and having a via hole formed therein; and a conductor circuit formed on the second resin-insulating layer and electrically connected with the semiconductor element through the via hole, wherein the via hole connected to the semiconductor element comprises a filled via comprising a conductive material filled therein, said electromagnetic shielding structure comprises a side metal and a bottom metal, the bottom metal comprises at least one of a first bottom metal and a second bottom metal, the first bottom metal is located on an upper side of a bottom of said concave portion, and the second bottom metal is formed on the second resin-insulating layer and located on a lower side of the bottom of said concave portion.