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    • 33. 发明授权
    • Distillation tower feed device
    • 蒸馏塔进料装置
    • US09266035B2
    • 2016-02-23
    • US13950870
    • 2013-07-25
    • Vikram SinghBrian D. AlbertBerne K. Stober
    • Vikram SinghBrian D. AlbertBerne K. Stober
    • B01D3/00B01D3/06B01J4/00B01F3/04B01D3/30
    • B01D3/008B01D3/06B01D3/30B01F3/04B01J4/00
    • A feed device for a distillation tower has an annular, open-bottomed channel located around the periphery of the feed zone of the tower with an inner wall spaced from the inner curved wall of the tower and a top covering the channel to confer a generally inverted-U shape to the cross section of the channel. One or more tangential feed inlets are provided to admit a heated, mixed phase feed to the tower and direct the feed into and along the channel. One or more vapor scoops are provided for each feed inlet with the scoop(s) located on the inner wall of the channel at a sufficient distance along the channel from the inlet to permit cyclonic separation of vapor and liquid before the vapor in the feed from the inlet enters the scoop(s) and passes through a vapor exit port into the central core of the tower.
    • 用于蒸馏塔的进料装置具有环形的开口底部通道,其围绕塔的进料区的周边设置有内壁,该内壁与塔的内弯曲壁间隔开,顶部覆盖通道以赋予通常倒置的 -U形状到通道的横截面。 提供一个或多个切向进料入口以允许加热的混合相进料到塔中并将进料引导入和沿通道。 为每个进料入口提供一个或多个蒸气勺,其中勺位于通道的内壁上,距离入口的通道足够的距离处,以允许蒸气和液体在进料中的蒸汽之前气旋分离, 入口进入勺子并通过蒸汽出口进入塔的中心核心。
    • 39. 发明申请
    • SYSTEM AND METHOD FOR SELECTIVELY CONTROLLING ION COMPOSITION OF ION SOURCES
    • 用于选择性地控制离子源组成的系统和方法
    • US20110000896A1
    • 2011-01-06
    • US12496080
    • 2009-07-01
    • Kamal HadidiRajesh DoraiBernard G. LindsayVikram SinghGeorge D. Papasouliotis
    • Kamal HadidiRajesh DoraiBernard G. LindsayVikram SinghGeorge D. Papasouliotis
    • H05H1/34H01L21/465
    • C23C14/48H01J37/32412H01J37/32935
    • A method is disclosed for adjusting the composition of plasmas used in plasma doping, plasma deposition and plasma etching techniques. The disclosed method enables the plasma composition to be controlled by modifying the energy distribution of the electrons present in the plasma. Energetic electrons are produced in the plasma by accelerating electrons in the plasma using very fast voltage pulses. The pulses are long enough to influence the electrons, but too fast to affect the ions significantly. Collisions between the energetic electrons and the constituents of the plasma result in changes in the plasma composition. The plasma composition can then be optimized to meet the requirements of the specific process being used. This can entail changing the ratio of ion species in the plasma, changing the ratio of ionization to dissociation, or changing the excited state population of the plasma.
    • 公开了一种用于调节用于等离子体掺杂,等离子体沉积和等离子体蚀刻技术的等离子体的组成的方法。 所公开的方法使得能够通过修改存在于等离子体中的电子的能量分布来控制等离子体组成。 通过使用非常快的电压脉冲加速等离子体中的电子,在等离子体中产生能量电子。 脉冲长度足以影响电子,但是太快而不能显着影响离子。 能量电子与等离子体成分之间的碰撞导致等离子体组成的变化。 然后可以优化等离子体组成以满足所使用的具体方法的要求。 这可能需要改变等离子体中的离子种类的比例,改变离子化与解离的比例,或改变等离子体的激发态群体。