BAg72Cu filler metal has lower melting temperature, good flowability and wettability, favorable electrical and thermal conductivity, and no volatile elements when heated, therefore, it’s extensively applied in the electric vacuum industry, and suitable for brazing of vacuum electronic devices with high electrical, thermal conductivity, and air tightness, such as switching tubes, emitting tubes, microwave tubes etc. According to the market demand, our company successfully developed the BAg72Cu widely thin strip and brazing wire products with high quality and high precision using a full set of importing equipment.