| 摘要 |
<p>Enhancement in yield of production of mother glass and glass substrates for a liquid crystal display device is made possible to make it possible to utilize glass resources more effectively, and reduction of cost of the mother glass and the glass substrate for the liquid crystal display devices is made possible. A manufacturing method of mother glass for manufacturing mother glass satisfying a predetermined quality standard by manufacturing the mother glass, from which glass substrates for a liquid crystal display device can be cut out according to predetermined cutting-out arrangement information and obtained, and by screening the mother glass, the method has a defect measuring step S2 of measuring a defect existing in the aforesaid manufactured mother glass and obtaining defect information including positional information of the defect, and a defect evaluating step S3 of evaluating quality information determined from the aforesaid defect information and the aforesaid cutting-out arrangement information according to a predetermined evaluation standard, and evaluating quality of the aforesaid mother glass.</p> |
