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    • 1. 发明申请
    • PLASMA CVD DEVICE, DLC FILM, AND METHOD FOR DEPOSITING THIN FILM
    • 等离子体CVD装置,DLC膜和沉积薄膜的方法
    • US20110165057A1
    • 2011-07-07
    • US13001089
    • 2009-06-30
    • Yuuji HondaTakeharu KawabeHaruhito HayakawaKoji Abe
    • Yuuji HondaTakeharu KawabeHaruhito HayakawaKoji Abe
    • C01B31/06C23C16/24C23C16/26C23C16/455C23C16/458C23C16/50
    • C23C16/509H01J37/32091H01J37/32541H01J37/32706
    • To provide a plasma CVD device capable of increasing voltage VDC that is a DC component generated at the electrode during high-frequency discharge in CVD deposition. The plasma CVD device according to the present invention includes a chamber 1, a holding electrode 2 disposed in the interior of the chamber and adapted for holding a substrate on which a film is to be deposited, a high frequency power supply 8 connected electrically with the holding electrode, a counter electrode 12 disposed opposite to the substrate on which a film is to be deposited held by the holding electrode and connected with an earth power supply or a float power supply, a raw material gas supply mechanism for supplying a raw material gas into a space 13 between the counter electrode and the holding electrode, and an evacuation mechanism for evacuating the interior of the chamber, wherein the surface area “a” of the holding electrode and the surface area “b” of the counter electrode satisfy a formula below, b/a≧2.
    • 提供一种等离子体CVD装置,其能够增加在CVD沉积期间的高频放电期间在电极处产生的DC分量的电压VDC。 根据本发明的等离子体CVD装置包括室1,保持电极2,其设置在室的内部,并适于保持其上要沉积膜的基板;高频电源8,其与 保持电极,与由保持电极保持的薄膜所在的基板相对设置并与接地电源或浮动电源连接的对置电极12,用于供给原料气体的原料气体供给机构 进入对置电极和保持电极之间的空间13以及用于抽空室内部的抽空机构,其中保持电极的表面积“a”和对置电极的表面积“b”满足公式 以下,b /a≥2。