DEVICE FOR EVALUATING VISIBILITY OF TRANSPARENT SUBSTRATE, DEVICE FOR POSITIONING LAMINATE, DETERMINATION DEVICE, POSITION DETECTION DEVICE, DEVICE FOR EVALUATING SURFACE STATE OF METAL FOIL, PROGRAM, RECORDING MEDIUM, METHOD FOR MANUFACTURING PRINTED WIRING BOARD, METHOD FOR EVALUATING VISIBILITY OF TRANSPARENT SUBSTRATE, METHOD FOR POSITIONING LAMINATE, DETERMINATION METHOD, AND POSITION DETECTION METHOD

摘要

Through the present invention, the visibility of a transparent substrate is efficiently and precisely evaluated. The device of the present invention for evaluating the visibility of a transparent substrate is provided with: an image taking means for taking an image, through a transparent substrate, of a mark which is present under the transparent substrate; an observation point/brightness graph creating means for measuring, for an image obtained by the image taking, the brightness of each observation point along a direction intersecting the direction in which the observed mark extends, and creating an observation point/brightness graph; and a visibility evaluation means for evaluating the visibility of the transparent substrate on the basis of the slope of a brightness curve occurring from an end part of the mark to a portion in which the mark is not present in the observation point/brightness graph.