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公开(公告)号:EP0559448A2
公开(公告)日:1993-09-08
申请号:EP93301612.3
申请日:1993-03-03
CPC分类号: G01T1/161 , A61B6/4258 , G01T1/26
摘要: The invention relates to a diamond radiation probe (10) which is sensitive to ionising radiations. The probe (10) comprises an elongate probe body (14) terminating in a probe head (12). First and second electrodes (18; 20) are carried on the probe head, and mounting means, such as a clamp (32, 40, 42), are provided for mounting a counting diamond (24) between the first and second electrodes. First and second electrically conductive leads (32, 36, 54; 71) extend rearwardly from the respective first and second electrodes through the probe body, and an earth shield (46) is interposed between the first and second leads. The second electrode (20) is disposed rearwardly of the first electrode, and the first and second electrodes are arranged to contact opposite sides of the counting diamond (24). Both the electrodes and the probe head are formed from a material which is near tissue-equivalent. The probe is designed to be used with dosimetry equipment, and is particularly well suited for use in electron beam therapy.
摘要翻译: 本发明涉及对电离辐射敏感的金刚石辐射探针(10)。 探针(10)包括终止于探头(12)中的细长探针体(14)。 第一和第二电极(18; 20)被承载在探针头上,并且提供安装装置,例如夹具(32,40,42),用于在第一和第二电极之间安装计数金刚石(24)。 第一和第二导电引线(32,36,54; 71)从相应的第一和第二电极通过探针主体向后延伸,并且接地屏蔽(46)插入在第一和第二引线之间。 第二电极(20)设置在第一电极的后方,并且第一和第二电极布置成接触计数金刚石(24)的相对侧。 电极和探针头均由组织等价物附近的材料形成。 探针设计用于剂量测定设备,特别适用于电子束治疗。
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公开(公告)号:EP0339992B1
公开(公告)日:1993-08-04
申请号:EP89304199.6
申请日:1989-04-27
发明人: Jones, Barbara Lynn
IPC分类号: C23C16/26
摘要: A method of bonding diamond to diamond including the steps of providing two spaced diamond surfaces (34), (36) and growing a diamond or diamond-like bridge between the diamond surfaces by chemical vapour deposition.
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公开(公告)号:EP0540366A1
公开(公告)日:1993-05-05
申请号:EP92309996.4
申请日:1992-10-30
CPC分类号: C04B41/009 , B23B27/145 , B23B2226/31 , B23B2226/72 , B23B2228/04 , C04B41/5002 , C04B41/85 , C04B41/4529 , C04B41/53 , C04B35/565
摘要: A tool insert comprises a diamond layer (10) bonded to a surface (12) of a substrate (14), the substrate (14) being a bonded silicon carbide ceramic containing 7 to 12 percent by mass free silicon. The diamond of the layer (10) is preferably CVD diamond.
摘要翻译: 工具插入件包括结合到衬底(14)的表面(12)的金刚石层(10),衬底(14)是包含7至12质量%游离硅的结合碳化硅陶瓷。 层(10)的金刚石优选为CVD金刚石。
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公开(公告)号:EP0537976A2
公开(公告)日:1993-04-21
申请号:EP92309298.5
申请日:1992-10-13
CPC分类号: B01J3/062 , B01J2203/061 , B01J2203/062 , B01J2203/0645 , B01J2203/0655 , B01J2203/066 , B01J2203/068 , C09K3/1409 , Y10T428/2991 , Y10T428/30
摘要: A synthetic diamond or cubic boron nitride particle is characterised by containing 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.
摘要翻译: 合成金刚石或立方氮化硼颗粒的特征在于含有两种或更多种稳定的同位素,其比例与同位素在自然界中存在的比例不同。 因此,金刚石或立方氮化硼颗粒具有指纹。 元素的优选实例是氮。
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公开(公告)号:EP0517510A3
公开(公告)日:1993-03-31
申请号:EP92305096.7
申请日:1992-06-03
发明人: Tank, Klaus , Tomlinson, Peter Noel , Martell, Trevor John , Lloyd, Andrew Ian , Olmstead, Bruce Ringsby
IPC分类号: B24D3/06
CPC分类号: B24D3/06 , B22F7/06 , Y10T428/24942 , Y10T428/24975 , Y10T428/30
摘要: A composite diamond abrasive compact comprises a diamond compact bonded to a cemented carbide support along a compact/carbide interface and is characterised by the carbide support comprising at least two zones, a first zone containing a binder metal content of a predetermined amount, and a second zone extending from the interface to the first zone and having a binder metal content which is substantially lower than that of the first zone. The second zone has a depth or thickness of no more than 0,75mm. The binder metal content of the second zone increases from the interface to the first zone in a continuous, non-interrupted manner.
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公开(公告)号:EP0272913B1
公开(公告)日:1993-03-10
申请号:EP87311284.1
申请日:1987-12-22
IPC分类号: B24D3/00
CPC分类号: E21B10/567 , B22F7/06 , B24D3/007 , B24D3/34 , Y10T407/27 , Y10T428/12146
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公开(公告)号:EP0478310A3
公开(公告)日:1992-10-28
申请号:EP91308753.2
申请日:1991-09-25
IPC分类号: B24D3/06
摘要: A method of producing a composite diamond abrasive compact includes the steps of forming an unbonded assembly comprising a cemented carbide body (10), a layer (18) of catalyst metal on a surface (20) of the carbide body (10), a layer (22) of carbide particles, alone or in admixture with other particles, on the catalyst metal layer, and a layer (24) of diamond particles on the carbide layer (22) and subjecting the unbonded assembly to conditions of elevated temperature and pressure at which diamond is crystallographically stable to form a composite diamond abrasive compact.
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公开(公告)号:EP0466490A3
公开(公告)日:1992-10-28
申请号:EP91306310.3
申请日:1991-07-11
CPC分类号: G02B6/06 , G01N21/255 , G01N2021/6484 , G01N2021/845 , G01N2201/084
摘要: The fibre optic interrogation system comprises a plurality of collection fibres. A first end of each collection fibre is arranged to collect radiation from a particular zone and the second, opposite ends of the collection fibres are arranged in a pattern that permits such second ends to be interrogated individually for radiation transmission by the relevant collection fibre. Those collection fibres which have their first ends adjacent to one another have their second ends in non-adjacent positions in the pattern. The system finds application inter alia in diamond sorting.
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公开(公告)号:EP0494799A1
公开(公告)日:1992-07-15
申请号:EP92300250.5
申请日:1992-01-10
CPC分类号: B21C3/18 , B21C3/025 , Y10T428/24273 , Y10T428/30
摘要: A wire drawing die comprises a polycrystalline CVD diamond layer (10) having a hole (20) formed therethrough and mounted in a support (12).
摘要翻译: 拉丝模具包括具有贯穿其中形成的孔(20)的多晶CVD金刚石层(10)并且安装在支撑件(12)中。
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