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    • 7. 发明申请
    • CLOSED DRIFT MAGNETIC FIELD ION SOURCE APPARATUS CONTAINING SELF-CLEANING ANODE AND A PROCESS FOR SUBSTRATE MODIFICATION THEREWITH
    • 包含自清洁阳极的闭式漂移磁场离子源装置和用于基板修改的过程
    • WO2010077659A3
    • 2010-09-10
    • PCT/US2009067149
    • 2009-12-08
    • GEN PLASMA INCMADOCKS JOHN
    • MADOCKS JOHN
    • H01J37/317H01J37/08
    • H01J37/08H01J27/143H01J37/3053H01J37/317H01J37/32862H01J37/3405H01J2237/081
    • A process for modifying a surface of a substrate is provided that includes supplying electrons to an electrically isolated anode electrode of a closed drift ion source. The anode electrode has an anode electrode charge bias that is positive while other components of the closed drift ion source are electrically grounded or support an electrical float voltage. The electrons encounter a closed drift magnetic field that induces ion formation. Anode contamination is prevented by switching the electrode charge bias to negative in the presence of a gas, a plasma is generated proximal to the anode electrode to clean deposited contaminants from the anode electrode. The electrode charge bias is then returned to positive in the presence of a repeat electron source to induce repeat ion formation to again modify the surface of the substrate. An apparatus for modification of a surface of a substrate by this process is provided.
    • 提供了用于修改衬底的表面的工艺,其包括将电子供应到闭合漂移离子源的电绝缘阳极电极。 阳极电极具有正的阳极电荷偏压,而闭合的漂移离子源的其他部件电接地或支持电浮动电压。 电子遇到诱导离子形成的闭合漂移磁场。 通过在存在气体的情况下将电极充电偏压切换至负极来防止阳极污染,在阳极电极附近产生等离子体以从阳极电极清除沉积的污染物。 然后在存在重复电子源的情况下将电极电荷偏置返回到正值以诱导重复离子形成以再次改变衬底的表面。 提供了一种通过该过程来修改基板表面的设备。