| 发明名称 |
ULTRA-HARD ABRASIVE PARTICLES ULTRA-HARD ABRASIVE PARTICLES |
| 摘要 |
A synthetic diamond or cubic boron nitride particle is characterised bycontaining two or more stable isotopes of an element present in a ratio which is different to the ratio in which the isotopes exist in nature. The diamond or cubic boron nitride particle thus has a fingerprint. A preferred example of the element is nitrogen. |
| 申请公布号 |
CA2079665(A1) |
申请公布日期 |
1993.04.15 |
| 申请号 |
CA19922079665 |
申请日期 |
1992.10.01 |
| 申请人 |
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED |
发明人 |
DYER, HENRY B.;DAVIES, GEOFFREY J.;BURNS, ROBERT C. |
| 分类号 |
B01J3/06;B82B1/00;C09K3/14;(IPC1-7):C09K3/14 |
主分类号 |
B01J3/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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