| 摘要 |
PROBLEM TO BE SOLVED: To provide a glass substrate-cutting method and its apparatus surely and efficiently discharging and removing fine glass cullet occurred when forming a cutting line on the surface of a plate glass by the run of a cutter without adherence to the glass surface. SOLUTION: The glass substrate-cutting method comprises scribing the surface 1a of a glass substrate 1 as a cutting line 2 by running a cutter 17a along the surface 1a, and cutting the substrate 1 along the cutting line 2, in particular scribing by jetting a water stream on the surface 1a of the substrate 1 from the scribe-scheduled place of the cutting line 2 toward the side of the cutter 17a, and running it while forming the water film of an aqueous solution 22 on the above scheduled place. COPYRIGHT: (C)2007,JPO&INPIT
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