Patent ID: 7754983
Filing Date: 2010-07-13
Classification: B81B,B81C,H01L

Abstract:
1. An electronic parts packaging structure comprising: an electronic parts forming substrate having a flat plate-like shape in which an electronic parts is formed in a formation region and a concave portion is provided in a periphery part of the formation region, the concave portion being formed by etching the substrate, the concave portion having a step shape, no outer side surface of which exists; and a sealing cap in which a ring-shaped protruded bonding portion which constitutes an outermost side portion is formed and a cavity is provided by the protruded bonding portion, and the protruded bonding portion is fitted into and bonded to the concave portion in the electronic parts forming substrate such that an air gap exists between said sealing cap and said electronic parts such that said sealing cap does not contact said electronic parts, and such that a clearance exists between an inner side surface of the concave portion and the protruded bonding portion; wherein the electronic parts is hermetically sealed in the cavity of the sealing cap.