Patent ID: 7149091

Claim:
An electronic circuit device, comprising: a board on which internal terminals and wirings connected to the internal terminals are formed; an electronic component that is mounted on the board and is connected with the internal terminals; and an encapsulation resin with which the electronic component and the internal terminals are encapsulated, wherein a part of the wiring forms a ring-shaped portion, the ring-shaped portion having a plurality of gaps by which the ring-shaped portion is divided into a plurality of discontinuous ring-constituting sections, the wiring is connected with a wiring on a rear face of the board via a through hole formed in the board, the through hole being disposed adjacent to an outer edge of the ring-shaped portion, and wherein the plurality of ring-constituting sections are connected to the respective internal terminals, and the encapsulation resin is in contact with an inner side of the ring-shaped portion.