Patent ID: 9137897
Filing Date: 2015-09-15
Classification: H01L,H03H,H05K,Y10T

Abstract:
1. An electronic device comprising: a glass substrate; an electronic element mounted on a first surface of the glass substrate; a cover body covering the electronic element and bonded to the glass substrate; and a through electrode penetrating from the first surface to a second surface of the glass substrate opposite the first surface, wherein the through electrode comprises an iron-nickel based alloy; and a nickel film contacts an end face of the through electrode exposed on the second surface of the glass substrate and contacts the second surface of the glass substrate in proximity to the end face, wherein the nickel film has a thickness of 1 μm to 3 μm and the nickel film on the second surface of the glass substrate extends along the second surface for a distance of 1 μm to 5 μm from the end face.