The present invention relates to methods and systems for the accurate prediction of nucleic acid, e. In an exemplary embodiment of the invention, the method includes defining an active semiconductor region upon a substrate, the active semiconductor region further having a mesa region formed therein. In this way a method of storing GaN substrates whose principal-face plane orientation is other than or, with which semiconductor devices of favorable properties can be manufactured is made available. An overload monitoring system is included to monitor the loading on the motor. A true-false judging device performs a statistic analysis when any coincidence is found between the readout combination of the first and second information and registered combination patterns, to identify an inspected recording medium as a forged product based on the result of the statistic analysis.