Various embodiments of processing systems and components for sterilization or pasteurization and associated methods of operation are described herein. The outer member includes a cylindrical insertion portion, through which the long member is passed, a brim-shaped close contact portion, extending outward from the insertion portion and having a mounting groove engaging with an edge of the fixing hole and an inner groove, formed on an inside face of the close contact portion. The second and third doped regions are of the same type sandwiching the first doped region of the second type.