Patent ID: 9406600
Filing Date: 2016-08-02
CPC Classification: H01L

Claim Text:
1. A printed circuit board, comprising: a semiconductor device comprising a semiconductor element and an interposer, the interposer having the semiconductor element mounted on one surface thereof and having a plurality of conductive lands, which are exposed from an insulating member, formed on another surface thereof; and a printed wiring board having a plurality of conductive lands, which are exposed from an insulating member, formed on a surface thereof which is opposed to the another surface of the interposer, wherein the plurality of lands formed on one of the interposer and the printed wiring board comprise a first land group and a second land group, the first land group having solder formed thereon, the solder being connected to the plurality of lands formed on another surface of the interposer and the printed wiring board, the second land group having solder formed thereon, the solder being in contact with the insulating member of the another surface of the interposer and the printed wiring board, wherein the plurality of lands forming the second land group are only arranged in one of a center region of the another surface of the interposer and a region opposed to the center region, wherein the plurality of lands forming the first land group are only arranged around the second land group so as to surround the second land group, and wherein a distance D