摘要 |
Disclosed is a semiconductor device including a substrate for bonding (10a), and a semiconductor element part (25aa) which is bonded to the substrate (10a), and in which an element pattern (T) is formed, wherein in a bonded interface between the substrate (10a) and the semiconductor element part (25aa), recessed portions (23a) are formed in at least one of the substrate (10a) and the semiconductor element part (25aa). |