Scribing method, a cutter wheel, a scribing apparatus using the cutter wheel, and an apparatus for producing the cutter wheel
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United States of America Patent
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Jul 12, 2011
Grant Date -
Jul 16, 2009
app pub date -
Mar 17, 2009
filing date -
Mar 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a glass cutter wheel where a blade edge is formed on a disk-shaped wheel, grooves having a predetermined shape are formed at a predetermined pitch in a 1/4 or smaller or 3/4 or smaller blade edge line portion of the entire perimeter of the blade edge. The ratio of the groove portion to the entire perimeter, which largely contributes to a scribing characteristic, is changed such that a desired scribing characteristic can be obtained.
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