GRINDING METHOD OF ALUMINUM ALLOY PLATE FOR MAGNETIC DISK BASE

PROBLEM TO BE SOLVED: To obtain a smooth grinding surface at substrate work time by using a grinding liquid having the specific weight concentration in grinding processing of the specific number of grinding times of a blank after dress processing of a grinding wheel. SOLUTION: The concentration C(%)...

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Hauptverfasser: SUGITA TOMOYUKI, FUJIMOTO HIDEO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To obtain a smooth grinding surface at substrate work time by using a grinding liquid having the specific weight concentration in grinding processing of the specific number of grinding times of a blank after dress processing of a grinding wheel. SOLUTION: The concentration C(%) of a grinding liquid supplied to an aluminum alloy plate (a blank) at grinding work time, is reduced within a range to satisfy [C1 (1.0-0.06×(B-1))