A hermetically sealed housing having a base deck, a cover member and a seal assembly constructed of a liquid crystal material (LCM), the base deck and cover member forming an enclosure containing an inert gas atmosphere. Various embodiments have the LCM seal bonded to one or both of the base deck and cover member and bonded to seal the enclosure by molding, compression, adhesive bonding, thermoplastic welding or soldering, or a combination of such.