Patent ID: 8669819

Claim:
An electronic component package sealing member that can be used as a first sealing member in an electronic component package in which an electrode of an electronic component element is hermetically sealed with the first sealing member and a second sealing member arranged so as to oppose each other, comprising: a through hole that passes through a substrate of the electronic component package sealing member; an internal electrode that is formed on a face of the substrate opposing the second sealing member; an external electrode that is formed on a face of the substrate opposite the opposing face; and a through electrode that is formed on an inner side face of the through hole electrically connecting the internal electrode and the external electrode; wherein at least one open face of the through hole is sealed with a resin material, the resin material is photosensitive, and the at least one open face of the through hole is sealed with a resin pattern made of the resin material disposed on the open face.