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    • 3. 发明授权
    • Glow discharge plasma deposition of thin films
    • 辉光放电等离子体沉积薄膜
    • US4450787A
    • 1984-05-29
    • US386686
    • 1984-05-29
    • Herbert A. WeakliemJohn L. Vossen, Jr.
    • Herbert A. WeakliemJohn L. Vossen, Jr.
    • C23C16/503H01J37/32H01J37/34C23C13/08
    • H01J37/32623C23C16/503H01J37/3408
    • A glow discharge plasma reactor for deposition of thin films from a reactive RF glow discharge is provided with a screen positioned between the walls of the chamber and the cathode to confine the glow discharge region to within the region defined by the screen and the cathode. A substrate for receiving deposition material from a reactive gas is positioned outside the screened region. The screen is electrically connected to the system ground to thereby serve as the anode of the system. The energy of the reactive gas species is reduced as they diffuse through the screen to the substrate. Reactive gas is conducted directly into the glow discharge region through a centrally positioned distribution head to reduce contamination effects otherwise caused by secondary reaction products and impurities deposited on the reactor walls.
    • 用于从反应性RF辉光放电沉积薄膜的辉光放电等离子体反应器设置有位于室的壁和阴极之间的屏幕,以将辉光放电区域限制在由屏幕和阴极限定的区域内。 用于从反应性气体接收沉积材料的基板位于筛选区域的外部。 屏幕电连接到系统接地,从而用作系统的阳极。 当反应气体物质通过筛网扩散到基底时,能量减小。 反应气体通过中心定位的分配头直接进入辉光放电区域,以减少否则由二次反应产物和沉积在反应器壁上的杂质引起的污染。