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    • 4. 发明授权
    • Body having a smooth diamond layer, device and method therefor
    • 具有平滑金刚石层的本体,其装置及其方法
    • US07815735B2
    • 2010-10-19
    • US10549621
    • 2004-03-22
    • Dirk BreidtOliver LemmerMartin Frank
    • Dirk BreidtOliver LemmerMartin Frank
    • C30B25/00
    • C23C16/45523C23C16/271C23C16/279Y10S76/12
    • The invention refers to a method and apparatus for CVD coating and to a coated body. To improve the mechanical properties of the structure and surface of the body and to make the method and apparatus as simple and cost-effective as possible, it is suggested in the method, in which a layer is deposited on a substrate in a carbon-containing gas atmosphere: that the process parameters be varied during the coating period in such a way that during the coating period a first operating mode and a second operating mode are repeatedly alternated, wherein in the first operating mode a higher carbon over-saturation of the gas atmosphere occurs near the substrate, and in the second operating mode a lower carbon over-saturation of the gas atmosphere occurs near the substrate. In this way, a body can be produced with a substrate and at least one layer deposited on the surface of the substrate, wherein the layer consists of nano-crystalline diamond.
    • 本发明涉及用于CVD涂覆和涂覆体的方法和装置。 为了提高机体的结构和表面的机械性能,使得该方法和装置尽可能简单且成本有效,在该方法中建议将一层沉积在基底上的含碳 气体气氛:在涂覆期间改变工艺参数,使得在涂覆期间,第一操作模式和第二操作模式被重复交替,其中在第一操作模式中气体的碳过度饱和度较高 在基板附近发生气氛,在第二工作模式中,在基板附近发生气体气体的较低碳过度饱和。 以这种方式,可以制造具有基底和沉积在基底表面上的至少一层的主体,其中该层由纳米晶体金刚石构成。
    • 7. 发明申请
    • Coating method and coated element
    • 涂层方法和涂层元素
    • US20060099422A1
    • 2006-05-11
    • US10529258
    • 2003-09-26
    • Joachim GussoneOliver LemmerDirk Breidt
    • Joachim GussoneOliver LemmerDirk Breidt
    • B44C1/22B32B9/00
    • C23C30/005C23C16/0227C23C16/27Y10T428/30
    • Disclosed are an element comprising a hard metal substrate (10) and a diamond layer (30), and a method for coating a hard metal substrate (10). Said hard metal substrate is provided with hard material particles (20) and surrounding binder material (22). The hard material particles (20) are surrounded by binding material (22) in a first area (24) comprising intact hard metal. The transition region of the first area (24) encompasses a deep profile having recesses (18) and elevations (16). The diamond layer (30) is braced with the substrate material (10) with the aid of said deep profile, portions of the diamond layer (30) being disposed deeper within the substrate (10) than elevations (16) of the first area (24). Said structure is obtained by means of a pretreatment process in which a hard metal substrate (10) is first subjected to selective etching in order to remove the binding material (22). A porous zone having a deep profile is formed. The hard material particles located within the porous zone (12) are removed by means of microbeams or a second, WC-selective etching step. A cobalt concentration on the surface is finally removed in a Co-selective etching step, and the substrate (10) is coated with a diamond layer by means of CVD.
    • 公开了包括硬质金属基板(10)和金刚石层(30)的元件,以及用于涂覆硬质金属基板(10)的方法。 所述硬质金属基板设有硬质材料颗粒(20)和周围的粘合剂材料(22)。 硬质材料颗粒(20)在包含完整的硬质金属的第一区域(24)中由结合材料(22)包围。 第一区域(24)的过渡区域包含具有凹部(18)和高度(16)的深度轮廓。 所述金刚石层(30)借助于所述深度轮廓与所述基底材料(10)一起被支撑,所述金刚石层(30)的部分比所述第一区域的高度(16)更深地设置在所述基底(10)内 24)。 通过预处理工艺获得所述结构,其中硬金属基底(10)首先进行选择性蚀刻以去除粘结材料(22)。 形成具有深度轮廓的多孔区域。 通过微束或第二WC选择性蚀刻步骤除去位于多孔区(12)内的硬质材料颗粒。 在Co选择性蚀刻步骤中最终除去表面上的钴浓度,并且通过CVD将衬底(10)涂覆有金刚石层。
    • 9. 发明申请
    • Body having a smooth diamond layer, device and method therefor
    • 具有平滑金刚石层的本体,其装置及其方法
    • US20060219158A1
    • 2006-10-05
    • US10549621
    • 2004-03-22
    • Dirk BreidtOliver LemmerMartin Frank
    • Dirk BreidtOliver LemmerMartin Frank
    • C30B7/00C30B21/02C30B28/06
    • C23C16/45523C23C16/271C23C16/279Y10S76/12
    • The invention refers to a method and apparatus for CVD coating and to a coated body. To improve the mechanical properties of the structure and surface of the body and to make the method and apparatus as simple and cost-effective as possible, it is suggested in the method, in which a layer is deposited on a substrate in a carbon-containing gas atmosphere: that the process parameters be varied during the coating period in such a way that during the coating period a first operating mode and a second operating mode are repeatedly alternated, wherein in the first operating mode a higher carbon over-saturation of the gas atmosphere occurs near the substrate, and in the second operating mode a lower carbon over-saturation of the gas atmosphere occurs near the substrate. In this way, a body can be produced with a substrate and at least one layer deposited on the surface of the substrate, wherein the layer consists of nano-crystalline diamond.
    • 本发明涉及用于CVD涂覆和涂覆体的方法和装置。 为了提高机体的结构和表面的机械性能,使得该方法和装置尽可能简单且成本有效,在该方法中建议将一层沉积在基底上的含碳 气体气氛:在涂覆期间改变工艺参数,使得在涂覆期间,第一操作模式和第二操作模式被重复交替,其中在第一操作模式中气体的碳过度饱和度较高 在基板附近发生气氛,在第二工作模式中,在基板附近发生气体气体的较低碳过度饱和。 以这种方式,可以制造具有基底和沉积在基底表面上的至少一层的主体,其中该层由纳米晶体金刚石构成。
    • 10. 发明授权
    • Hard material coating of a cemented carbide or carbide containing cermet substrate
    • 硬质合金或含碳化硅的金属陶瓷基材的硬质材料涂层
    • US06268045B1
    • 2001-07-31
    • US09355832
    • 1999-08-05
    • Antonius LeyendeckerOliver LemmerMartin Frank
    • Antonius LeyendeckerOliver LemmerMartin Frank
    • C23C1602
    • C23C16/0218C23C16/46Y10T428/24355Y10T428/24975Y10T428/25Y10T428/252Y10T428/30
    • The present invention relates to a component, for example a tool, coated with a hard material, in particular diamond, a process for its production and a device for carrying out the process. The process for the production of the component coated with the hard material comprises the steps of: a) introducing a fine-grained cemented carbide or carbide-containing cement substrate into a vacuum system with a heating device and at least one gas feed connection; b) removing carbon from the carbides of a surface layer of the substrate at a substrate temperature in the region of about 900° C. to about 1400° C. and in an oxygen-containing atmosphere; c) introducing carbon into the surface layer of the substrate at a substrate temperature in the region of about 900° C. to about 1400° C. and in a carbon-containing atmosphere; and d) coating the substrate with the hard material.
    • 本发明涉及涂覆有硬质材料,特别是金刚石的部件,例如工具,其制造方法和用于执行该方法的装置。 用于生产涂覆有硬质材料的组分的方法包括以下步骤:a)将具有加热装置和至少一种气体进料连接的细粒度硬质合金或含碳化物的水泥基材引入真空系统; b)在约900℃至约1400℃的区域和含氧气氛中的基板温度下从基板的表面层的碳化物中除去碳; c)在约900℃至约1400℃的区域和含碳气氛中的基板温度下将碳引入基板的表面层; 和d)用硬质材料涂覆基材。