AdTech Ceramics - Chattanooga, TNAdTech Ceramics is a fully integrated US manufacturer of alumina and aluminum nitride multilayer co-fired products, including QFN, PGA, and BGA packages. Specializing in mission-critical ceramics for challenging environments. We engineer the finest quality ceramics. ITAR registered, CUI trained, AS9100D, NADCAP certified.
Valley Design Corporation, Headquarters - Shirley, MAAS9100/ISO 9001 manufacturer of substrates, wafers, flat optics, precision shims/spacers, 0.127-mm sq to 450-mm diameter. Precision lapping, polishing, dicing, 5-axis CNC machining, small diameter core drilling, hole drilling. Ultrathin 10-20 microns, ultraflat, tight tolerances. Fused silica, glass, sapphire, ceramics, metals. Large inventory.