PROCESS FILM, PROCESS INK, AND PLATEMAKING METHOD AND SYSTEM USING THE FILM

摘要

PURPOSE: A process film, process ink, and platemaking method and system using the film are provided, to obtain a high-quality photomask for platemaking having high resolution at a low cost. CONSTITUTION: A process film comprises a transparent substrate and, formed thereon, a layer consisting mainly of a polymer comprising repeating units represented by the following general formula (1) wherein A represents formula (I) where x, y, and z are each an integer of 1 or larger and Y represents a hydrocarbon group having one or more carbon atoms; X represents a residue of an organic compound having two active hydrogen atoms; and R1 represents a residue of a dicarboxylic acid or diisocyanate compound. An image is formed on this film preferably by ink-jet recording using a process ink which contains a yellow dye absorbing an ultraviolet in a wavelength range of 350 to 450 nm, preferably a mono- or disazo dye.