To provide a memory device which can maintain data accurately even when memory characteristics of a memory element deteriorate over time. The die assembly includes a die having a pipe facing front spaced apart from but parallel to the pipe longitudinal axis, a wrench facing rear, and two spaced apart opposed sides, each connected to the die front and die rear. A second oxide layer is formed outwardly of the nitride layer. from a supply line and nozzle into a cooking cavity for a time period depending on the degree of disinfection desired. Reinforcing flanges and ribs are formed on a flat portion at a base end side of the bracket. The loudspeaker of the present invention may include a housing that contains a driver baffle that supports at least one transducer.