Patent ID: 9035473
Filing Date: 2015-05-19
Classification: H01L

Abstract:
1. A circuit device comprising: a semiconductor element; a conductive member which is connected to the semiconductor element via a thin metal wire; and a sealing resin which comprises a resin material mixed with filler particles and which covers the semiconductor element and the thin metal wire, wherein the sealing resin includes a first portion and a second portion, the first portion of the sealing resin below a top portion of the thin metal wire, the second portion of the sealing resin between the top portion of the thin metal wire and a top surface of the sealing resin, and wherein the second portion has a first layer that includes filler particles and a second layer having no filler particles, a thickness of the second layer less than a thickness of the first layer, and wherein a thickness of the second portion of the sealing resin is smaller than a maximum diameter of the filler particles and wherein the second portion is continuous with the first portion.