Founded in 2004, RF Materials is a professional manufacturer that develops and produces hermetic packages. As largest manufac ... turer of hermetic glass-to-metal packages and ceramic-to-metal packages in Korea, we are supplying the packages in application of telecommunications, RF Power Transister, Micro-wave, military, space, industrial and medical application. We offer user-defined products from our 20 years of manufacturing know-how by working closely with our customers. We strive to deliver added value to our customers by combining in-house and outsource manufacturing to maximize flexibility and provide local R&D and sales support for our US customers. read more