Soldering apparatus and method of detecting failures of gasket

Abstract

Provided is a soldering apparatus including: a furnace body including a processing chamber in which boards are processed; a gasket provided at least to a part of the furnace body, and configured to seal the furnace body; a sealed space isolated from the processing chamber, and defined by the furnace body and the gasket; a gas supply apparatus configured to supply a first gas into the sealed space; and a measuring apparatus configured to measure one of pressure in the sealed space and concentration of a second gas in the sealed space.