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    • 1. 发明授权
    • Vaporizing reactant liquids for chemical vapor deposition film processing
    • 用于化学气相沉积膜处理的汽化反应液体
    • US06783118B2
    • 2004-08-31
    • US09919633
    • 2001-07-31
    • Visweswaren SivaramakrishnanJohn M. White
    • Visweswaren SivaramakrishnanJohn M. White
    • B01F304
    • C23C16/4481B01F3/022Y10S261/65
    • The disclosure relates to a vaporizer valve which accepts a carrier gas and a pressurized liquid and forms a mixture of the carrier gas and vaporized liquid. An internal cavity receives the carrier gas through a carrier aperture and the liquid through a liquid aperture, and the mixed gas and vapor are exhausted out of the cavity via a third aperture. A moveable diaphragm disposed adjacent to the liquid aperture forms a vaporization region having a pressure gradient. The liquid passing through this pressure gradient vaporizes due to expansion. By controlling the diaphragm position with a feedback control circuit responsive to a liquid flow rate monitor, the liquid flow rate may be controlled independently of the carrier gas flow rate.
    • 本公开涉及一种蒸发器阀,其接收载气和加压液体并形成载气和汽化液体的混合物。 内腔通过载体孔接收载气,液体通过液体孔接收,并且混合气体和蒸气经由第三孔排出空腔。 邻近液体孔设置的可移动隔膜形成具有压力梯度的蒸发区域。 通过该压力梯度的液体由于膨胀而蒸发。 通过利用响应于液体流速监测器的反馈控制电路来控制隔膜位置,可以独立于载气流量来控制液体流速。