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
Priority claimed from JP17029099Aexternal-prioritypatent/JP3411239B2/en
Application filed by Hiroshi IshizukafiledCriticalHiroshi Ishizuka
Publication of MY121153ApublicationCriticalpatent/MY121153A/en
DIAMOND PARTICLES ARE PROVIDED HAVING A NOMINAL SIZE OF 5ΜM OR LESS BY D50 MEASUREMENT AND WHICH COMPRISE AN EXPLICIT THERMAL EFFECT SUCH AS A MINUTE CRACK IN THE CRYSTAL STRUCTURE DUE TO A HEAT TREATMENT AT A TEMPERATURE AT LEAST OF 1000 °C. THE DIAMOND PARTICLES INCLUDE DIAMOND CONVERTED NON-DIAMOND CARBON IN AN AMOUNT OF AT LEAST 0.5% BY WEIGHT RELATIVE TO THE WHOLE DIAMOND PARTICLE. A METHOD FOR SYNTHESIZING THE DIAMOND PARTICLES INCLUDES PROVIDING DIAMOND PARTICLES HAVING A PRIMARY PARTICLE D50 AVERAGE SIZE OF 50 NM OR GREATER, SUBJECTING THE DIAMOND PARTICLES TO A HEAT TREATMENT AT A TEMPERATURE OF AT LEAST 1000 °C, IN EITHER A NON- OXIDIZING ATMOSPHERE OR IN A VACUUM, AND CONVERTING THE DIAMOND PARTLY TO NON- DIAMOND CARBON.
MYPI20002157A1999-06-162000-05-17Diamond abrasive particles and method for preparing the same
MY121153A
(en)