Patent ID: 7545044
Filing Date: 2009-06-09
Classification: H01L,H05K

Abstract:
1. A semiconductor device comprising: a semiconductor element, outputting an electrical signal; and a wiring substrate, provided with a conduction path, guiding the electrical signal between a signal input surface and a signal output surface, and connected to the semiconductor element at the signal input surface; the wiring substrate comprising: a glass substrate, formed by cutting a bundle-form glass member, formed by bundling fiber-form glass members, each comprising a core glass portion and a coating glass portion, provided at the periphery of the core glass portion, to a desired thickness and provided with a through hole by the removal of the core glass portion; and a conductive member, disposed in the through hole and functioning as the conduction path by providing electrical continuity between the signal input surface and the signal output surface; and the semiconductor element and the corresponding conductive member of the wiring substrate being electrically connected via a bump electrode that is formed on an output surface of the semiconductor element and in one-to-one correspondence with respect to the conductive member, wherein the semiconductor element is provided with, as the bump electrode, at least a first bump electrode, and a second bump electrode that is larger than the first bump electrode, the glass substrate is provided with, as the through hole, at least a first through hole, corresponding to the first bump electrode, of a predetermined opening area and a second through hole, corresponding to the second bump electrode, that is larger in opening area than the first through hole, the opening area of the second through hole at the signal input surface is larger than the opening area of the first through hole at the signal input surface, and a portion of the first bump electrode enters into the interior of the first through hole provided with the corresponding conductive member, and a portion of the second bump electrode enters into the interior of the second through hole provided with the corresponding conductive member.