Scribing wheel for brittle material and manufacturing method for same, as well as scribing method, scribing apparatus and scribing tool using the same
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United States of America Patent
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app pub date -
Jan 19, 2011
filing date -
Jul 6, 2005
priority date (Note) -
Abandoned
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Abstract
A scribing wheel for a brittle material includes a circumferential ridge line in which two truncated cones have connected bottoms so as to share a rotational axis. Alternating notches and protrusions are formed along the circumference ridge line. The protrusion are portions of the ridge line remaining after the ridge line is notched. The length of the notches is less than that of the protrusions so that a catch on the surface is improved while lowering the high penetrability.
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