Patent ID: 8432025

Claim:
A semiconductor device comprising: a substrate having a chip mounting region; step portions, each including a plurality of side surfaces, formed at peripheries of the chip mounting region and defining a recess that the chip mounting region is disposed within; a substantially rectangular chip provided on the chip mounting region and having first, second, third and fourth sides defining the rectangular shape of the chip, the first and second sides being directly opposite each other, and the third and fourth sides being directly opposite each other; and a liquid resin layer disposed between the step portions and the chip, wherein a first of the step portions is closer to a first side surface of the first side than any other of the step portions, further wherein one of the side surfaces of the first step portion is substantially parallel to the first side surface, further wherein second, third and fourth step portions of the step portions are respectively closer to the second, third and fourth sides of the rectangular chip than any other of the step portions, further wherein the first and second step portions have different shapes from each other and the third and fourth step portions each have a same shape that is different from each of the shapes of the first and second step portions.