| 摘要 |
PROBLEM TO BE SOLVED: To provide a cutting method for a substrate capable of forming a scribed line of cutting with high stability the substrate at a high yield, in a scribing process for the substrate for a liquid crystal display, and to provide a substrate cutter therefor, and a wheel cutter used in the substrate cutter. SOLUTION: The wheel cutter 10 is provided with a wheel 1 rotated, while contacting with the substrate to be cut, and for forming a cut flaw on the substrate; and an auxiliary roller 3 coaxially connected to the wheel 1 by a shaft 2, rotated by a frictional force generated, with respect to the substrate without generating a flaw on the substrate to be cut, and for assisting the rotation of the wheel 1 by interlocking the wheel 1 with this rotation. COPYRIGHT: (C)2009,JPO&INPIT
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