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    • 1. 发明授权
    • Method of manufacturing a diamond film coated cutting tool
    • 金刚石薄膜涂层切割工具的制造方法
    • US06365230B1
    • 2002-04-02
    • US09459026
    • 1999-12-10
    • Young Joon BaikWook-Seong LeeKwang Yong EunKi Woong Chae
    • Young Joon BaikWook-Seong LeeKwang Yong EunKi Woong Chae
    • C23C1627
    • C23C14/044C23C16/0209C23C16/0254C23C16/27Y10T428/30
    • In order to provide an excellent toughness and a sufficient adhesive force without any limit in the content of other carbides in the substrate material and Co and in the size of the cemented carbides grains, the present invention provides a diamond film coated cutting tool, comprising a surface layer which cemented carbide grains are grown abnormally on the cemented carbide substrate, and a diamond film formed on the surface layer, and also a method for manufacturing a diamond film coated cutting tool, comprising the steps of heat-treating a surface of a cemented carbide substrate under a decarburizing atmosphere until the surface changes to a &eegr; phase, heat-treating the surface-decarburized cemented carbide substrate under a carburized atmosphere, depositing a diamond film on the carburized surface of the cemented carbide substrate.
    • 为了提供优异的韧性和足够的粘合力,对基材和Co中的其它碳化物的含量和硬质合金颗粒的尺寸没有任何限制,本发明提供了一种金刚石薄膜涂覆的切削工具,其包括 在硬质合金基体上形成硬质合金颗粒的表面层异常生长,在表面层上形成的金刚石膜,以及金刚石薄膜涂层切削工具的制造方法,其特征在于,包括以下步骤: 在脱碳气氛下直到表面变为η相,在渗碳气氛下对表面脱碳硬质合金基体进行热处理,在硬质合金基体的渗碳表面上沉积金刚石膜。
    • 4. 发明授权
    • Apparatus for synthesizing diamond film by DC PACVD
    • 用于通过DC PACVD合成金刚石膜的装置
    • US06443092B1
    • 2002-09-03
    • US09563481
    • 2000-05-02
    • Jae-Kap LeeYoung Joon BaikKwang Yong Eun
    • Jae-Kap LeeYoung Joon BaikKwang Yong Eun
    • C23C1600
    • C23C16/272C23C16/503H01J37/32009H01J37/32541
    • The present invention relates to a diamond film synthesizing apparatus, and in particular to an apparatus for increasing the deposition area to several inches in diameter by using multiple cathodes (Multi-cathode DC PACVD). In the multi-cathode DC PACVD apparatus according to the present invention, the basic array of the cathodes is determined so that the uniformity of diamond films on a deposition area is maximized. A seven-cathode structure, in which six cathodes are radially arranged at the same distance of 43 mm surrounding one central cathode, in which a basic unit of the array is regular triangle, is designed for depositing uniform diamond films on a 4″ substrate. Here, the shape of six edge cathodes is rod of which the lateral face is joined to the connecting rod, so that non-uniformity of temperature in the edge cathode is minimized and then the reliability of the apparatus is much enhanced. The multi(7)-cathode DC PACVD apparatus enables one to deposit 4″ diamond films with a thickness uniformity of 3.8% thicker than 1 mm. The unit of the cathode array according to the present invention can be adapted when increasing the deposition area to 8 inches, 12 inches, etc.
    • 本发明涉及一种金刚石膜合成装置,特别涉及通过使用多个阴极(多阴极DC PACVD)将沉积面积增加到几英寸直径的装置。 在根据本发明的多阴极DC PACVD装置中,阴极的基本阵列被确定为使得沉积区域上的金刚石膜的均匀性最大化。 七阴极结构,其中六个阴极以围绕一个中心阴极的43mm的相同距离径向布置,其中阵列的基本单元为正三角形,被设计用于在4“衬底上沉积均匀的金刚石膜 。 这里,六边形阴极的形状是将侧面与连接杆接合的杆,使得边缘阴极的温度不均匀化最小化,从而大大提高了装置的可靠性。 多(7) - 阴极DC PACVD装置使得能够沉积4“的金刚石膜,厚度均匀度比1mm厚3.8%。 当将沉积区域增加到8英寸,12英寸等时,根据本发明的阴极阵列的单元可以被适配