Patent ID: 9551729
Date: 2017-01-24
CPC Classifications: G01P,H01L,H03H,Y10T

Claim:
1. A method of manufacturing an electronic device, the method comprising: preparing a base of a package for housing an electronic element, the base having a recess; preparing a lid of the package, the lid being configured with a metal plate layer and a brazing material layer that is laminated on a metal plate bottom of the metal plate layer, the metal plate bottom facing the base; providing a metalized layer at a periphery of the base in a plan view; mounting the electronic element in the recess of the base; placing the lid on the base to enclose an inner space in which the electronic element is housed; and welding the brazing material layer to fix the brazing material to the metalized layer so that the lid and the periphery of the base are fixed to each other, wherein the lid is plate shaped having a top, a bottom and side surfaces, and a chamfered part is formed at a lower side edge of the lid between the bottom and side surfaces, the brazing material layer is formed on the chamfered part and the bottom surface, in a first state, before the lid is fixed to the base by the welding, an outer edge of the brazing material layer and the side surface above the chamfered part form a common surface, and in a second state, after the lid is fixed to the base by the welding, the brazing material layer projects outwardly from the common surface.