The present invention contemplates to adapt the shape and movement of a popular manual flosser into an automatic flosser to minimize the learning time required for manipulating automatic dental flossing. Three dimensional image input system is realized by preparing each image input system of both left and right view with this electronic zoom image input method. The trench isolation structure includes a dopant region comprising material of the first conductivity type selectively formed along a sidewall of the isolation structure that is adapted to electrically couple the surface pinning layer to the underlying substrate. The enclosure prevents electromagnetic radiation of a certain bandwidth from escaping and thus prevents an adversarial device from eavesdropping on communication between the first and second devices. As well, the drain and gate of the chip are directly mounted to the circuit board without the need for leads from the drain side of the chip.