With many years of industry experience, the Pyramid Engineering Services team of engineers have taken high precision projection welding to its ultimate form. Our wide application knowledge and extensive experience allow us to select the most cost-effective system to satisfy your welding requirements. One of the main applications for the ACW and DCW Series of high precision projection welders is the hermetic sealing of metal package semiconductor devices for the electronics industry. Other examples have been in the sealing of Lithium Battery cases, Metal Relays and Barometric Transducers.