专利汇可以提供Method for synthesizing polycrystalline diamond专利检索,专利查询,专利分析的服务。并且PURPOSE:To deposite polycrystalline diamond on the surface of powder by fluidizing the powder in a plasma space, and causing a plasma chemical reaction. CONSTITUTION:Powder 9 of diamond, alpha-Al2O3, Mo or the like is charged into a plasma generating chamber 8, the chamber 8 is evacuated with an exhaust system 12, and a gaseous mixture of H2 with a volatile hydrocarbon such as methane is fed from a gas feeder 10 to the chamber 8 so as to keep a prescribed internal pressure. A low frequency oscillator 1 and an amplifier 2 are worked to oscillate a diaphragm 4 through a loudspeaker 3, and the powder 9 is fluidized in an appropriate state by regulating the frequency of the oscillator 1 and the output of the amplifier 2. A high frequency oscillator 5 is then worked, and the output is applied to a high frequency coil 7 to generate a plasma in the fluidized layer. The surface of the powder can be coated with polycrystalline diamond, or granular polycrystalline diamond can be synthesized using the powder as nuclei.,下面是Method for synthesizing polycrystalline diamond专利的具体信息内容。
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