WORKING METHOD FOR LIQUID CRYSTAL SUBSTRATE, OR THE LIKE AND ITS DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a chamfering method and its device capable of automatically correcting as well as precisely measuring chambering width by taking in a chamfering part as an image data by using a CCD camera by taking notice of the CCD camera being used when aligning the substrate on a table of a chamfering machine. SOLUTION: This chamfering device is furnished with the CCD camera to take in an image of an alignment mark mentioned on the substrate and a control means to align a position of the substrate in accordance with the image data taken in by the CCD camera on the table to place the substrate and is furnished with a control means to automatically the chamfering width by measuring it by taking in the chamfering width as the image data by the CCD camera. The chamfering method is also provided. COPYRIGHT: (C)2003,JPO