The present invention is an identification method comprising: with at least a part of a skeleton part of an identification mark attached to a component or a product defined as a matching area, identifying the component, product, or product having the component as one of its constituent elements using a textured pattern formed in the matching area. In an example, first attributes are defined for a plurality of threads within the integrated circuit. An oil outlet is provided for discharging engine oil formed in the clutch case. The tremolo device also includes a pivot rail comprising a pivot bearing surface that matingly engages the bearing surface of the leading edge. Finally, the adhered laminate thus obtained is placed into a heating furnace and heated at a predetermined temperature for a predetermined period of time to thereby fully cure the adhesives.