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    • 1. 发明申请
    • ARRANGEMENT OF MULTIPLE PUMPS FOR DELIVERY OF PROCESS MATERIALS
    • 用于输送过程材料的多个泵的布置
    • US20100258196A1
    • 2010-10-14
    • US12760541
    • 2010-04-14
    • Chris MELCERJamie A. GRAVESBryan FLETCHERKoh I. MURAIDavid D. KANDIYELI
    • Chris MELCERJamie A. GRAVESBryan FLETCHERKoh I. MURAIDavid D. KANDIYELI
    • F17D1/00F04B25/00G01M19/00
    • F04B23/04F17D1/14Y10T137/0324
    • A method and apparatus for delivering process materials in a bulk delivery system includes a plurality of pumps arranged in series along a material supply line, wherein the capacity of each pump is such that less than all of the pumps operating simultaneously can provide a desired level of system performance for a given application. In at least one preferred embodiment, a plurality of pumps include three pumps are arranged in series. Preferred embodiments provide several benefits over a parallel arrangement of two larger pumps including, in the case of a single pump failure, that the remaining pumps are signaled to increase speed to restore system performance to restore supply line pressure with less perturbation than that realized in a two-pump, parallel arranged system. Methods are also provided herein for determining which of the three pumps is a failed pump in such a case.
    • 用于在批量输送系统中输送处理材料的方法和装置包括沿着材料供应管线串联布置的多个泵,其中每个泵的容量使得小于所有同时操作的泵可以提供期望水平的 给定应用程序的系统性能。 在至少一个优选实施例中,多个泵包括串联布置的三个泵。 优选实施例相对于两个较大的泵的并联布置提供了若干优点,包括在单个泵故障的情况下,剩余的泵被用信号通知以增加速度以恢复系统性能,以便以更少的扰动恢复供应管路压力,而不是在 双泵,平行排列系统。 本文还提供了用于在这种情况下确定三个泵中的哪一个是故障泵的方法。
    • 6. 发明申请
    • Method and apparatus for pressure control and flow measurement
    • 用于压力控制和流量测量的方法和装置
    • US20060243060A1
    • 2006-11-02
    • US11475805
    • 2006-06-27
    • John LaneRalph StraubeChris Melcer
    • John LaneRalph StraubeChris Melcer
    • G01F1/00
    • H01J37/32449C23C16/45557C23C16/466H01J37/3244
    • A method and apparatus for gas control is provided. The apparatus may be used for controlling gases delivered to a chamber, controlling the chamber pressure, controlling the delivery of backside gas between a substrate and substrate support and the like. In one embodiment, an apparatus for controlling gas control includes at least a first flow sensor having a control valve, a first pressure sensor and at least a second pressure sensor. An inlet of the first flow sensor is adapted for coupling to a gas supply. A control valve is coupled to an outlet of the flow sensor. The first pressure sensor is adapted to sense a metric indicative of the pressure upstream of the first flow sensor. The second pressure sensor is adapted to sense a metric indicative of the pressure downstream of the control valve.
    • 提供了一种用于气体控制的方法和装置。 该装置可以用于控制输送到室的气体,控制室压力,控制衬底和衬底支撑件之间的背面气体的传送等。 在一个实施例中,用于控制气体控制的装置包括至少第一流量传感器,其具有控制阀,第一压力传感器和至少第二压力传感器。 第一流量传感器的入口适于联接到气体供应。 控制阀联接到流量传感器的出口。 第一压力传感器适于感测指示第一流量传感器上游的压力的度量。 第二压力传感器适于感测指示控制阀下游的压力的量度。