Provided are a thin film magnetic head having superior overwrite characteristics as well as having a locally minimized pole width and a method of manufacturing the same. The employee is provided with an identification card which includes an encrypted representation of a biometric characteristic of the employee. The return are adapted to exchange a current with a power source, and a portion of the return may be in a fluid zone. Still further, the supervisory processor provides control information to each of the plurality of peripherals to coordinate performance characteristics based upon at least one operating condition that is determined by the control and interconnection system. The first electrodes have an electrode layer having an opening formed at least in a portion of an area overlapping the plurality of picture electrodes so as to prevent degradation of display quality caused by a parasitic capacitance.