Patent ID: 8581394

Claim:
An electric circuit assembly, comprising: a substrate having a cavity; and a semiconductor package module fitted in a detachable manner into the cavity of the substrate in a socket scheme, wherein the semiconductor package module includes: a circuit substrate having an external connection pattern, a front surface, a rear surface opposite to the front surface, and a side surface connecting the front surface and the rear surface; at least one electronic component mounted on the front surface of the circuit substrate; a molding structure surrounding the circuit substrate so as to seal the at least one electronic component from an external environment; and an external connection structure having a first portion connected to the external connection pattern and a second portion protruded from the molding structure to outside, the molding structure includes: a first molding layer covering the front surface of the circuit substrate and the at least one electronic component, while exposing the second portion of the external connection structure; a second molding layer covering the rear surface of the circuit substrate; and a third molding layer covering the side surface of the circuit substrate and connecting the first molding layer and the second molding layer, and the second molding layer extends continuously without being interrupted by the external connection structure.