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    • 42. 发明授权
    • Valve for vacuum exhaustion system
    • 真空排气系统阀门
    • US07988130B2
    • 2011-08-02
    • US12208949
    • 2008-09-11
    • Tadahiro OhmiNobukazu IkedaMichio YamajiMasafumi KitanoAkihiro Morimoto
    • Tadahiro OhmiNobukazu IkedaMichio YamajiMasafumi KitanoAkihiro Morimoto
    • F16K7/17
    • F16K7/14F16K27/003F16K51/02
    • The invention provides a valve and a method of operating the valve that makes it possible to reduce the diameter of the vacuum exhaustion pipings to make the facility for the vacuum exhaustion system small, which results in lower costs and shortens vacuum exhaustion time, and also which can prevent corrosion, cloggings, and seal leakages inside the piping system caused by the accumulation of substances produced by the decomposition of gas flowing through the pipings. In particular, in accordance with the present invention, an aluminum passivation is applied on the piping parts, i.e. the valve and others, that are used in the vacuum exhaustion system so as to inhibit gas decomposition caused by temperature rise at the time of baking so that components for reduction in the diameter size in the vacuum exhaustion system are provided. Thus, corrosion, cloggings and seat leakages caused by gas decomposition are prevented.
    • 本发明提供了一种操作阀门的阀门和方法,其使得可以减小真空排气管道的直径,从而使得真空耗尽系统的设备较小,这导致降低成本并缩短真空耗尽时间,以及哪些 可以防止由流经管道的气体分解产生的物质积聚引起的管道系统内的腐蚀,堵塞和密封泄漏。 特别地,根据本发明,在真空耗尽系统中使用的管道部件即阀等上施加铝钝化,以便抑制由于烘烤时由温度升高引起的气体分解 提供了用于减小真空排气系统中的直径尺寸的部件。 因此,防止由气体分解引起的腐蚀,堵塞和座椅泄漏。
    • 43. 发明申请
    • Valve for Vacuum Exhaustion System
    • 真空耗尽阀系统
    • US20090020721A1
    • 2009-01-22
    • US12208949
    • 2008-09-11
    • Tadahiro OhmiNobukazu IkedaMichio YamajiMasafumi KitanoAkihiro Morimoto
    • Tadahiro OhmiNobukazu IkedaMichio YamajiMasafumi KitanoAkihiro Morimoto
    • F16K1/00
    • F16K7/14F16K27/003F16K51/02
    • The invention provides a valve and a method of operating the valve that makes it possible to reduce the diameter of the vacuum exhaustion pipings to make the facility for the vacuum exhaustion system small, which results in lower costs and shortens vacuum exhaustion time, and also which can prevent corrosion, cloggings, and seal leakages inside the piping system caused by the accumulation of substances produced by the decomposition of gas flowing through the pipings. In particular, in accordance with the present invention, an aluminum passivation is applied on the piping parts, i.e. the valve and others, that are used in the vacuum exhaustion system so as to inhibit gas decomposition caused by temperature rise at the time of baking so that components for reduction in the diameter size in the vacuum exhaustion system are provided. Thus, corrosion, cloggings and seat leakages caused by gas decomposition are prevented.
    • 本发明提供了一种操作阀门的阀门和方法,其可以减小真空排气管道的直径,使得真空耗尽系统的设备变小,这导致降低成本并缩短真空耗尽时间,以及哪些 可以防止由流经管道的气体分解产生的物质积聚引起的管道系统内的腐蚀,堵塞和密封泄漏。 特别地,根据本发明,在真空耗尽系统中使用的管道部件即阀等上施加铝钝化,以便抑制由于烘烤时由温度升高引起的气体分解 提供了用于减小真空排气系统中的直径尺寸的部件。 因此,防止由气体分解引起的腐蚀,堵塞和座椅泄漏。
    • 44. 发明授权
    • Pressure-type flow rate control apparatus
    • 压力式流量控制装置
    • US06152168A
    • 2000-11-28
    • US284352
    • 1999-05-24
    • Tadahiro OhmiTetu KagazumeKazuhiko SugiyamaRyousuke DohiTomio UnoKouji NishinoHiroyuki FukudaNobukazu IkedaMichio Yamaji
    • Tadahiro OhmiTetu KagazumeKazuhiko SugiyamaRyousuke DohiTomio UnoKouji NishinoHiroyuki FukudaNobukazu IkedaMichio Yamaji
    • F16K17/22G05D7/06
    • G05D7/0647Y10T137/7759Y10T137/7761
    • A pressure-type flow rate control apparatus for use especially in the gas supply system in semiconductor manufacturing facilities. The flow control apparatus is provided with a bore-variable orifice, which permits easy switching of the fluid flow rate control range as well as size reduction of the pressure-type flow control apparatus, and offers other advantages including improved gas replaceability, prevention of dust formation, and reduced manufacturing costs of the flow control system. The apparatus comprises an orifice, a control valve provided on the upstream side of the orifice, a pressure detector provided between the control valve and the orifice, and a control unit to calculate a fluid flow rate Q on the basis of a pressure P1 detected by the pressure detector with the equation Q=KP1 (K=constant) and to output in a drive for the control valve the difference between the set flow rate signal Qs and the calculated flow rate signal Q as control signal Qy, wherein the pressure P1 on the upstream side of the orifice is regulated by actuating the control valve for controlling the flow rate of the fluid downstream of the orifice with the ratio P2/P1 between the pressure P1 on the upstream side of the orifice and the downstream pressure P2 maintained at not higher than the ratio of the critical pressure of the controlled fluid, characterized in that a direct touch type metal diaphragm valve unit functions as the orifice and that the ring-shaped gap between the valve seat and the diaphragm serves a variable orifice wherein the gap is adjusted by the orifice drive.
    • PCT No.PCT / JP98 / 03620 Sec。 371日期1999年5月24日 102(e)日期1999年5月24日PCT提交1998年8月13日PCT公布。 公开号WO99 /​​ 09463 日期1999年2月25日一种特别用于半导体制造设备中的气体供给系统的压力式流量控制装置。 流量控制装置设置有可变孔口,其允许容易地切换流体流量控制范围以及压力型流量控制装置的尺寸减小,并且提供其它优点,包括改进的气体替换性,防止灰尘 形成和降低流量控制系统的制造成本。 该装置包括孔口,设置在孔口的上游侧的控制阀,设置在控制阀和孔口之间的压力检测器,以及控制单元,用于根据检测到的压力P1计算流体流量Q 压力检测器具有等式Q = KP1(K =常数),并且在控制阀的驱动器中输出设定流量信号Qs和计算流量信号Q之间的差作为控制信号Qy,其中压力P1 on 孔口的上游侧通过致动用于控制孔口下游流体的流速的控制阀来调节,孔口上游侧的压力P1与保持在不同的孔口的下游压力P2之间的比率P2 / P1 高于受控流体的临界压力的比例,其特征在于,直接触摸式金属隔膜阀单元用作孔口,并且阀海之间的环形间隙 并且隔膜用于可变孔口,其中间隙由孔口驱动器调节。
    • 47. 发明授权
    • Fluid control system and valve to be used therein
    • 流体控制系统和阀门用于其中
    • US5850853A
    • 1998-12-22
    • US630081
    • 1996-04-09
    • Tadahiro OhmiMichio YamajiNobukazu IkedaHiroshi Morokoshi
    • Tadahiro OhmiMichio YamajiNobukazu IkedaHiroshi Morokoshi
    • B01J4/00C30B25/14C30B31/16F16K31/122F16K31/42
    • C23C16/45561B01J4/008C30B25/14C30B31/16F16K31/1226F16K31/42Y10T137/87684
    • A fluid control system, and its valve assemblies, are used to control the feeding of fluids accurately (by operating (opening and closing) valves promptly and accurately), for the manufacture of semiconductors, magnetic thin films, biotechnical products, and other products. The fluid control system comprises a principal control line (L) and plural branch control lines (L.sub.1, L.sub.2, . . . ) for feeding plural types of fluid (G.sub.1, G.sub.2, . . . ) into a processing device (C) coupled to the principal control line, and plural valve assemblies (V) incorporated in the branch control lines (L.sub.1, L.sub.2, . . . ) for switching the fluids (G.sub.1, G.sub.2, . . . ) supplied into the processing device (C). Each of the valve assemblies (V) comprises a fluid drive valve (V') having a fluid pressure actuator (1), and an electromagnetic valve (V") integrally attached, in single housing, substantially without hoses, to the fluid drive valve (V') to feed a working fluid (A) into the fluid pressure actuator (1).
    • 流体控制系统及其阀门组件用于精确地控制流体的供给(通过快速准确地操作(打开和关闭)阀门),用于制造半导体,磁性薄膜,生物技术产品和其他产品。 流体控制系统包括主控制线(L)和多个分支控制线(L1,L2 ...),用于将多种类型的流体(G1,G2 ...)馈送到耦合到 主控制线和并入分支控制线(L1,L2 ...)中的多个阀组件(V),用于切换供给到处理装置(C)中的流体(G1,G2 ...)。 每个阀组件(V)包括具有流体压力致动器(1)的流体驱动阀(V')和在基本上没有软管的单个壳体中一体地附接到流体驱动器的电磁阀(V“) 阀(V')将工作流体(A)输送到流体压力致动器(1)中。
    • 48. 发明授权
    • Cooperating fixing jigs for aligning a plurality of lower members on a support member
    • 用于对准支撑构件上的多个下部构件的协作固定夹具
    • US06618922B2
    • 2003-09-16
    • US10097872
    • 2002-03-15
    • Tadahiro OhmiMichio YamajiTsutomu Shinohara
    • Tadahiro OhmiMichio YamajiTsutomu Shinohara
    • B25B2714
    • F16K27/003Y10T29/49895Y10T29/49899Y10T29/49902Y10T29/53913Y10T29/53978
    • First and second two spacing jigs 81 are used each having a rectangular parallelepipedal body 81a formed on the bottom surface thereof with projections 82 which are arranged side by side at a spacing equal to a predetermined interval between reference bores 106. First, the projections 82 of the first jig 81 are fitted in front reference bores 106 of respective lower members 31, 32, 33, and the projections 82 of the second jig 82 in rear reference bores 106 of the lower members. A right angle holding jig 84 in the form of a rectangular frame and having inner side faces positionable respectively in contact with the front side face of the first jig 81, the rear side face of the second jig 81 and the left and right side faces of the two jigs 81 is fitted around the bodies 81a of the two jigs 81 to adjust the arrangement of bores 106 to right angles. The lower members are fixed to a support member in this state by tightening up screw members 110.
    • 使用第一和第二两个间隔夹具81,每个具有在其底表面上形成有长方体的平行六面体81a,突出部82以等于参考孔106之间的预定间隔的间隔并排布置。首先, 第一夹具81装配在下部构件31,32,33的前参考孔106中,第二夹具82的突起82装配在下部构件的后部参考孔106中。 具有矩形框架形式的直角保持夹具84,其内侧面可分别与第一夹具81的前侧面,第二夹具81的后侧面和第二夹具81的左右侧面接触 两个夹具81围绕两个夹具81的主体81a配合,以将孔106的布置调整成直角。 在这种状态下,下部构件通过拧紧螺钉构件110而固定到支撑构件。
    • 50. 发明授权
    • Method of fixing a plurality of lower members each having reference bore for installing upper member, and fixing jigs
    • 固定多个下部构件的方法,每个下部构件具有用于安装上部构件的基准孔和固定夹具
    • US06199260B1
    • 2001-03-13
    • US09168859
    • 1998-10-09
    • Tadahiro OhmiMichio YamajiTsutomu Shinohara
    • Tadahiro OhmiMichio YamajiTsutomu Shinohara
    • B23Q300
    • F16K27/003Y10T29/49895Y10T29/49899Y10T29/49902Y10T29/53913Y10T29/53978
    • First and second two spacing jigs 81 are used each having a rectangular parallelepipedal body 81a formed on the bottom surface thereof with projections 82 which are arranged side by side at a spacing equal to a predetermined interval between reference bores 106. First, the projections 82 of the first jig 81 are fitted in front reference bores 106 of respective lower members 31, 32, 33, and the projections 82 of the second jig 82 in rear reference bores 106 of the lower members. A right angle holding jig 84 in the form of a rectangular frame and having inner side faces positionable respectively in contact with the front side face of the first jig 81, the rear side face of the second jig 81 and the left and right side faces of the two jigs 81 is fitted around the bodies 81a of the two jigs 81 to adjust the arrangement of bores 106 to right angles. The lower members are fixed to a support member in this state by tightening up screw members 110.
    • 使用第一和第二两个间隔夹具81,每个具有在其底表面上形成有长方体的平行六面体81a,突出部82以等于参考孔106之间的预定间隔的间隔并排布置。首先, 第一夹具81装配在下部构件31,32,33的前参考孔106中,第二夹具82的突起82装配在下部构件的后部参考孔106中。 具有矩形框架形式的直角保持夹具84,其内侧面可分别与第一夹具81的前侧面,第二夹具81的后侧面和第二夹具81的左右侧面接触 两个夹具81围绕两个夹具81的主体81a配合,以将孔106的布置调整成直角。 在这种状态下,下部构件通过拧紧螺钉构件110而固定到支撑构件。