Patent ID: 9307686
Filing Date: 2016-04-05
CPC Classification: H01L,H05K,Y10T

Claim Text:
1. An electronic component comprising: a wiring substrate having a first surface and a second surface; an electronic component body mounted on a first surface side of the wiring substrate; a plurality of external electrodes formed on a second surface side of the wiring substrate which is opposite to the first surface side, the external electrodes being electrically connected to the electronic component body, the external electrodes being connected to a substrate by solder; a heat generating member having a conductive property and having a higher resistivity than the external electrodes the heat generating member being formed in the same layer as a layer in which the external electrodes are formed; a heat insulating layer disposed between the electronic component body and the heat generating member, the heat insulating layer having an insulating property and being formed of a material different from an other material of the wiring substrate; a thermal diffusion layer to diffuse heat generated by the heat generating member, the thermal diffusion layer being disposed between the heat generating member and the heat insulating layer, the thermal diffusion layer having a higher thermal conductivity than the heat insulating layer, the thermal diffusion layer being provided adjacent to the heat generating member and the external electrodes, and the thermal diffusion layer being provided at a position overlapping the external electrodes; and a plurality of heating electrodes electrically connected, with through-wires, to ends of the heat generating member, wherein the through-wires are disposed in through-holes that extend through the wiring substrate from the first surface side to the second surface side, and through the heat insulating layer.