Polaris Electronics Corp Hermetic Welders For over thirty years, Polaris Electronics has designed and manufactured hermetic sealing systems for projection welding and parallel seam sealing. In fact, Polaris developed the first total system concept and in keeping with this tradition, we are the first to offer hermetic sealing services for start-up and R & D companies. Today, we manufacture customize able hermetic sealing systems including projection and seam sealers for microelectronic and optoelectronic packages including solder-reflow, TO and butterfly style packages. We also offer spot welde