Patent ID: 9368458
Filing Date: 2016-06-14
CPC Classification: H01L

Claim Text:
1. A semiconductor package, comprising: an interposer chip having a frontside, a backside, and a corner area on the backside defined by a first corner edge and a second corner edge of the interposer chip; a plurality of bump structures on the backside of the interposer chip, an intersection of the first corner edge and the second corner edge being a first distance from a nearest bump structure of the plurality of bump structures; a die bonded to the frontside of the interposer chip; and at least one dam structure on the corner area of the backside of the interposer chip, the at least one dam structure comprising an edge aligned to at least one of the first corner edge and the second corner edge of the interposer chip, the at least one dam structure extending along the first corner edge a second distance, and the dam structure extending along the second corner edge a third distance, the second distance and the third distance each being less than or equal to the first distance, the at least one dam structure comprising at least a part of a sphere extending from the backside of the interposer chip.