my %SEARCH_FIELDS = (
        '1.X'   =>  [qw!RESULT_T LOTID DEVICEID SETUPID STEPID OMARK DIEPITCH WAFERID SLOTID CENTER DEFECTS!],
        '1.8'   =>  [qw!LOTID WAFERID RESULT_T CENTER SLOTID DEFECTS DEVICEID DIEPITCH OMARK SETUPID STEPID!],
    );