Patent ID: 9461019
Filing Date: 2016-10-04
CPC Classification: H01L

Claim Text:
1. A semiconductor device comprising a first substrate having a first principal surface on which circuit components are provided and over which a first surface layer, including a first electrode, is provided, an expanded second substrate including: a second substrate having a second principal surface on which circuit components are provided; a resin portion provided on a side surface of the second substrate; and a second surface layer which is provided over an expanded second principal surface defined by the second substrate and the resin portion surrounding the second substrate and which includes a second electrode, the expanded second substrate being directly bonded to the first substrate such that the second surface layer contacts in its entirety with the first surface layer, and a through electrode which either is connected to the first electrode and runs through the first substrate or is connected to the second electrode and runs through the second substrate, wherein the second substrate has a smaller planar size than the first substrate, and the first and second electrodes are connected together and are in contact with each other.