To provide a method of manufacturing an airtight terminal with a plated coat wherein occurrence of defective plating and defective bending of a rod-shaped electrode terminal can be reduced, the plated coat having a uniform thickness can be formed, manufacturing processes are simple, and selection of materials used is easy.

This method of manufacturing the airtight terminal with the plated coat includes a process to prepare the airtight terminal in which two rod-shaped electrode terminals each having a relatively short upper side and a relatively long lower side are supported and fixed through an insulating material with a space kept between them in the inside of a metal ring, a process to manufacture the airtight terminals the both terminals of which are connected by a curing resin lump by making a UV-curing resin adhere to the end parts of the lower sides of the respective rod-shaped electrode terminals or the vicinity of them so as to connect both terminals each other and then curing the resin by irradiating ultraviolet rays, a process to form the plated coat on the exposed part of the surface of the metal ring and the respective rod-shaped electrode terminals by a barrel plating method, and a process to cut and remove the portions of both terminals connected by the curing resin lump together with the curing resin lump respectively.

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