A system and method for extracting active elemental iodine from the contact of water with stored crystal iodine and for introducing the extracted elemental iodine into a water supply line andor otherwise making the extracted elemental iodine available for an intended use. The scaling ring is made in one piece by means of co-extrusion of a soft rubber material and a hard rubber material. Sealed chip assemblies are formed by sealing an array of the chips, e. The MOSFET has a first surface having an operation region.