发明公开
- 专利标题： Thermoluminescent material
- 专利标题（中）： Thermolumineszentes材料。
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申请号： EP88309661.2申请日： 1988-10-14
-
公开(公告)号： EP0312392A1公开(公告)日： 1989-04-19
- 发明人: Davies, Geoffrey John , Nam, Tom Leong , Keddy, Rex James
- 申请人： DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 申请人地址： 8th Floor 45 Main Street Johannesburg Transvaal ZA
- 专利权人： DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 当前专利权人： DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
- 当前专利权人地址： 8th Floor 45 Main Street Johannesburg Transvaal ZA
- 代理机构： Ellis-Jones, Patrick George Armine
- 优先权： ZA877791 19871016
- 主分类号： C09K11/63
- IPC分类号： C09K11/63
摘要：
A material capable of thermoluminescence comprising cubic boron nitride which, if it contains one or more of the impurities set out below, contains said impurities in an amount not exceeding that specified in the content column:
Inpurity
Content (ppm)
Carbon
1100
Oxygen
1500
Silicon
100
Phosphorus
30
Titanium
30
Beryllium
1
Inpurity
Content (ppm)
Carbon
1100
Oxygen
1500
Silicon
100
Phosphorus
30
Titanium
30
Beryllium
1
公开/授权文献
- EP0312392B1 Thermoluminescent material 公开/授权日：1993-01-13
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