The present invention discloses a security flash memory which includes a flash memory chip with a plurality of data transmission terminals, and a data encryption device. Irrespective of whether or not a region is close to a power supply wiring or a ground wiring, MOS is spread all over a spare area of a chip and connected to a power supply wiring and ground wiring by utilizing a wiring layer and diffusion layer. The bioadhesive component allows for the palatal patch to be attached to an upper palate, and for the active component to be released into the oral cavity andor GI tract. One of the metal layer may have a diffusion barrier layer and a \u201ckeeper\u201d layer formed thereover, wherein the keeper layers keeps the metal confined to a particular area. The first unit B and the second unit B are bonded to each other by a reduction reaction. All necessary analog and digital circuitry, microprocessor, programming, communications hardware are integrated into the collar.