Patent ID: 9401333
Filing Date: 2016-07-26
CPC Classification: H01L

Claim Text:
1. An electronic device comprising: a circuit substrate including an insulating layer, a plurality of interconnections provided on the insulating layer, and a copper layer or a tungsten layer, and sections of one of the copper layer and the tungsten layer being exposed at the side surface of the circuit substrate; an electronic element mounted on the circuit substrate; bonding wires electrically connecting the electronic element and at least one of the plurality of interconnections; a sealing resin layer sealing the electronic element and the bonding wires; a conductive shielding layer covering the sealing resin layer, and an external connection terminal connected to the interconnections, the sections and the conductive shielding layer being electrically connected, one of the interconnections and the external connection terminal connected to one of the interconnections being capable of becoming a ground potential, the interconnection capable of becoming the ground potential being electrically connected to the sections, a distance between the adjacent sections capable of becoming the ground potential being not more than a half of a wavelength of an electromagnetic wave to be shielded.