Aqueous working fluid
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United States of America Patent
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Dec 26, 2017
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N/A
app pub date -
Mar 5, 2014
filing date -
Mar 6, 2013
priority date (Note) -
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Abstract
A water-soluble working fluid of the invention is used for cutting a brittle material using a wire saw. The water-soluble working fluid is provided by blending water, alkylene oxide adduct of acethylene glycol, and glycols. The water-soluble working fluid of the invention is capable of providing favorable cutting accuracy when the brittle material is cut using a wire, and thus is suitable for cutting out a large-diameter wafer. The water-soluble working fluid of the invention is especially suitably applicable to an abrasive-grain-fixed wire saw.
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