Sealing structure, method of soldering and process for preparing sealing structure

摘要

This invention discloses a method of soldering together at least two members selected form metals and ceramics, which comprises successively jointing a high-melting jointig material, a medium-melting jointing material, and a low-melting jointing material, and a sealing structure prepared by this method. The method according to present invention enables the preparation of a sealing structure having a soldered area which is excellent in tightness.