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    • 22. 发明专利
    • Improved pressure type flow rate controller
    • 改进型压力流量控制器
    • JP2006330851A
    • 2006-12-07
    • JP2005150057
    • 2005-05-23
    • Fujikin Inc株式会社フジキン
    • HIROSE TAKASHIDOI RYOSUKENISHINO KOJISHINOHARA TSUTOMUIKEDA SHINICHI
    • G05D7/06
    • G05D7/0623H01L21/67017
    • PROBLEM TO BE SOLVED: To easily and accurately measure any real gas other than nitrogen by using a pressure type flow rate controller calibrated based on nitrogen gas, and be easily replaced with a thermal type flow rate controller(mass flow controller).
      SOLUTION: This pressure flow rate controller for calculating the flow rate of fluid flowing through an orifice 8 using Qc=KP
      1 (K is proportional constant) or Q
      c =KP
      2
      m (P
      1 -P
      2 )
      n (K is proportional constant, m and n are constant) by using an orifice upstream side pressure P
      1 and an orifice downstream pressure P
      2 is configured to adjust a conversion rate(Qe'/Qer) as the rate of a set flow rate signal Qer and a set input signal Qe' of an input/output converter 25 and a conversion rate(Qo'/Qor') as the rate of the flow rate output signal Qor and the control flow rate output Qo'.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过使用基于氮气校准的压力式流量控制器,容易且准确地测量除氮气之外的任何实际气体,并且可以容易地用热式流量控制器(质量流量控制器)替换。 解决方案:该压力流量控制器用于计算使用Qc = KP 1 (K为比例常数)或Q c 的孔8流动的流体的流量。 = KP 2 m (P 1 -P 2 比例常数,m和n是常数),并且孔口下游压力P 2 被配置为调节转化率(Qe'/ Qer)作为输入/输出转换器25的设定流量信号Qer和设定输入信号Qe'的速率和作为流量输出信号Qor和控制的速率的转换速率(Qo'/ Qor')的速率 流量输出Qo'。 版权所有(C)2007,JPO&INPIT
    • 28. 发明专利
    • Mass flow controller, mass flow controller system, substrate processing apparatus and gas flow rate adjustment method
    • 质量流量控制器,质量流量控制系统,基板处理装置和气体流量调整方法
    • JP2012033150A
    • 2012-02-16
    • JP2011122390
    • 2011-05-31
    • Toshiba Corp株式会社東芝
    • ETO HIDEOSAITO MAKOTONISHIYAMA NOBUYASU
    • G05D7/06H01L21/3065
    • G05D7/0623Y10T137/0368Y10T137/7759Y10T137/7761Y10T137/87314Y10T137/87322
    • PROBLEM TO BE SOLVED: To provide a mass flow controller capable of changing a gas flow rate more quickly than conventional ones.SOLUTION: According to the embodiment, a mass flow controller 100 includes a gas passage composing member 110, a flow rate adjustment part 130, a displacement magnitude storage part 144 and a setting circuit 145. The flow rate adjustment 130 has a valve 131 arranged in a gas passage 113 for adjusting a gas flow rate and an actuator 133 for controlling the displacement magnitude of the valve 131. The displacement magnitude storage part 144 stores information of the displacement magnitudes of the valve 131 calculated for every processing procedure before performing any processing procedure, which shows its displacement magnitude when allowing gas of a flow rate regulated by the processing procedure to flow into the gas passage 113. The setting circuit 145 obtains the displacement magnitude corresponding to the processing procedure from the displacement magnitude storage part 144 to control the actuator 133 based on the displacement magnitude obtained.
    • 要解决的问题:提供能够比常规气体流量更快地改变气体流量的质量流量控制器。 解决方案:根据实施例,质量流量控制器100包括气体通道组成部件110,流量调节部分130,位移量存储部分144和设置电路145.流量调节器130具有阀 131设置在用于调节气体流量的气体通道113中,以及用于控制阀131的位移大小的致动器133.位移大小存储部144存储在执行之前针对每个处理过程计算的阀131的位移量值的信息 其显示当允许由处理程序调节的流量的气体流入气体通道113时的位移量的设置。设定电路145从位移大小存储部分144获得对应于处理程序的位移量, 基于获得的位移大小来控制致动器133。 版权所有(C)2012,JPO&INPIT