A system and method is provided for generating and executing specialized code executables. The stent in widely implantable over the vascular system, and allows either localized or systemic delivery of the therapeutic products produced by the cellular material to thereby enhance patient treatment. The photomask can compensate for the different structural densities by adjusting the thickness of the transmission control layer. The organic compound in the recording layer 3 includes a monomethine cyanine dye that has the minimum value nmin of its refractive index n within the range of 370 to 425 nm and has a refractive index n of 1.