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    • 3. 发明申请
    • REPLACEABLE PLATE EXPANDED THERMAL PLASMA APPARATUS AND METHOD
    • 可更换板膨胀热等离子体装置和方法
    • WO2005026409A3
    • 2005-05-12
    • PCT/US2004028774
    • 2004-09-03
    • GEN ELECTRICSCHAEPKENS MARKIACOVANGELO CHARLES DOMINICMIEBACH THOMAS
    • SCHAEPKENS MARKIACOVANGELO CHARLES DOMINICMIEBACH THOMAS
    • C23C16/513H01J37/32
    • C23C16/513H01J37/32009H01J37/32357
    • A deposition process comprises determining a target process condition within a chamber of an expanding thermal plasma generator (102, 202) for plasma enhanced chemical vapor deposition of a coating on a substrate; the generator (102, 202) comprising a cathode (106, 206), replaceable cascade plate and generators (108, 208) with concentric orifice; and replacing the cascade plate with another plate having a configured orifice to effect the identified target process condition; and generating a plasma at the target process condition by providing a plasma gas to the plasma generator (102, 202) and ionizing the plasma gas in an arc between cathode (106, 206) and generators (108, 208) within the generator (102, 202) and expanding the gas as a plasma onto a substrate in a deposition chamber. A deposition apparatus (100) for generating a controllable plasma; comprises a deposition chamber; adapted to be maintained at subatmospheric pressure; an article support within the deposition chamber; an expanding thermal plasma generator (102, 202) comprising a cathode (106, 206), a single cascade plate and an generators (108, 208) and a communicating orifice through the cascade plate, the orifice having a length of lmm to less than 20mm.
    • 沉积工艺包括确定膨胀热等离子体发生器(102,202)的室内的目标工艺状态,用于等离子体增强化学气相沉积在衬底上的涂层; 发电机(102,202)包括阴极(106,206),可更换的级联板和具有同心孔的发电机(108,208); 以及用具有配置的孔口的另一个板代替级联板以实现所识别的目标工艺条件; 以及通过向所述等离子体发生器(102,202)提供等离子体气体并使所述等离子体气体在所述发电机(102)内的阴极(106,206)和发电机(108,208)之间的电弧中离子化,从而在目标工艺条件下产生等离子体 ,202)并且将作为等离子体的气体膨胀到沉积室中的衬底上。 一种用于产生可控等离子体的沉积装置(100) 包括沉积室; 适应维持在低于大气压的压力下; 沉积室内的物品支撑; 包括阴极(106,206),单个级联板和发电机(108,208)的膨胀热等离子体发生器(102,202)和通过所述级联板的连通孔,所述孔具有1mm至小于 20mm的
    • 7. 发明申请
    • METAL-INFILTRATED POLYCRYSTALLINE DIAMOND COMPOSITE TOOL FORMED FROM COATED DIAMOND PARTICLES
    • 金属渗透的多晶金刚石复合材料从涂层钻石颗粒形成
    • WO02068702A3
    • 2003-04-03
    • PCT/US0200733
    • 2002-01-09
    • GEN ELECTRIC
    • PENDER DAVID CHARLESIACOVANGELO CHARLES DOMINICD EVELYN MARK PHILIPTYSOE STEVEN ALFRED
    • B23B27/14B22F1/02B23B27/20C04B37/00C04B41/45C04B41/51C04B41/52C04B41/81C04B41/88C04B41/89C22C1/05C22C26/00
    • C04B41/009B22F2998/00C04B41/4584C04B41/5133C04B41/5144C04B41/52C04B41/81C04B41/88C04B41/89C22C26/00Y10T407/27Y10T428/25Y10T428/252Y10T428/30Y10T428/31678C04B41/4523C04B41/4529C04B41/4535C04B41/5012C04B41/5116C04B35/52B22F7/02
    • A metal-infiltrated polycrystalline diamond composite tool (60) comprising a plurality of diamond grains (22) forming a continuous polycrystalline diamond matrix (56), a metallic phase (62) being substantially palladium-free and contiguous to the continuous polycrystalline diamond matrix (56), wherein the metallic phase (62) interpenetrates the continuous polycrystalline diamond matrix (56) and substantially wets an outer surface of the continuous polycrystalline diamond matrix (56); and a working surface (68). The metallic phase (62) is formed from an infiltrant (44) and a wetting-enhancement layer (24) disposed on the outer surfaces of the diamond particles (22), with both the infiltrant (44) and wetting-enhancement layer (24) being substantially palladium-free and comprising at least one metal from the group consisting of cobalt, iron, and nickel. The invention also includes a preform (40) for a metal-infiltrated polycrystalline diamond composite tool (60), the preform (40) comprising a container (52), a metallic infiltrant source (54), and a plurality of coated diamonds (20), each coated with a wetting-enhancement layer (24) and, optionally, an activation layer (34), both of which are substantially palladium-free. Methods of forming the metal-infiltrated polycrystalline diamond composite tool (60), the preform (40), and the coated diamond particles (20, 30) used in the tool (60) are also disclosed.
    • 金属渗透的多晶金刚石复合工具(60),包括形成连续多晶金刚石基体(56)的多个金刚石晶粒(22),金属相(62)基本上无钯且与连续多晶金刚石基体 56),其中所述金属相(62)互穿所述连续多晶金刚石基体(56)并且基本上润湿所述连续多晶金刚石基体(56)的外表面; 和工作表面(68)。 金属相(62)由渗透剂(44)和设置在金刚石颗粒(22)的外表面上的润湿增强层(24)形成,浸润剂(44)和润湿增强层(24) )基本上不含钯,并且包含至少一种由钴,铁和镍组成的组中的金属。 本发明还包括用于金属渗透的多晶金刚石复合工具(60)的预成型件(40),所述预制件(40)包括容器(52),金属浸渗源(54)和多个涂层钻石(20 ),每个涂覆有润湿增强层(24)和任选的活化层(34),两者都基本上不含钯。 还公开了在工具(60)中使用的形成金属渗透的多晶金刚石复合工具(60),预成型件(40)和涂覆的金刚石颗粒(20,30)的方法。