A method for compensating for color variations among multiple user printers by providing a target simulation process in each user printer that modifies its default color characteristics so that it has the same color characteristics as a designated target printer. The metal layer has a first metal pattern and a second metal pattern which are separated from each other. To that end, in one embodiment of the present invention, the composition includes a hydroxyl-functional silicone component, a cross-linking component, a catalyst component, and a solvent. The public key is then subjected to at least one mathematical test to determine whether the public key satisfies predefined mathematical characteristics. A potential creator creates a potential between the electrical conductor and the potential creator that is capable of deflecting the beam, so that the contact point comes into contact with the second electrical transmission path. The light waveguides are held in a ferrule.