Patent ID: 7026832

Claim:
A probe mark reading device for reading probe marks formed on electrode pads during checking of electrical characteristics of a prescribed object including a plurality of electrode pads, comprising: an illuminating unit for illuminating the plurality of electrode pads; a photographing unit for photographing a part of the plurality of electrode pads illuminated by the illuminating unit and outputting images obtained by photographing as electrical signals; a photographing position changing unit for enabling photographing all the plurality of electrode pads by consecutively changing a photographing position to be photographed by the photographing unit; and a storage unit for receiving the electrical signals from the photographing unit and saving the image obtained from the electrical signals, wherein an image of the part of the plurality of electrode pads to be photographed is supplied to the photographing unit for just a prescribed time in which the photographing position changing unit positions the photographing position to coincide with the position of the part of the plurality of electrode pads.