Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujimi IncfiledCriticalFujimi Inc
Publication of MY167900ApublicationCriticalpatent/MY167900A/en
Provided is a polishing composition containing abrasive grains, an acid, an oxidant, and a defect inhibitor. The defect inhibitor is a compound having a guanidine skeleton. The polishing composition is used in polishing a nickel-phosphorus plated substrate for a magnetic disk. The compound having a guanidine skeleton is preferably guanidine phosphate.
MYPI2013002868A2012-08-012013-07-31Polishing composition and method for producing substrate for magnetic disk by using the same
MY167900A
(en)
Grinding tool, method for manufacturing glass substrate, method for manufacturing magnetic-disk glass substrate, and method for manufacturing magnetic disk