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    • 5. 发明授权
    • Circulation fan apparatus and circulation-fan driving motor
    • 循环风机和循环风机驱动电机
    • US06464472B1
    • 2002-10-15
    • US09622367
    • 2000-08-16
    • Shinichi SekiguchiHiroyuki ShinozakiToshimitsu BaradaToshiharu NakazawaTakeshi Kawamura
    • Shinichi SekiguchiHiroyuki ShinozakiToshimitsu BaradaToshiharu NakazawaTakeshi Kawamura
    • F04B1700
    • F04D29/058F04D25/06F16C32/047F16C32/0474F16C2300/42F16C2360/44
    • A circulation fan apparatus including a hermetic vessel 1 containing a corrosive process gas therein, and a circulation fan 2 installed in the hermetic vessel, rotors 2-1, 2-2 of the circulation fan are rotatably supported by bearings, wherein the bearings comprises control-type radial magnetic bearings 4, 5 and at least control-type axial magnetic bearing 6, 7, displacement sensor targets 4-1, 5-1, 6-1, and 7-1 and rotor-side magnetic poles 4-2, 5-2, 6-2, and 7-2 of radial magnetic bearings 4 and 5 and axial magnetic bearings 6 and 7 are fixed to the rotors 2-1 and 2-2 of the circulation fan 2 and are disposed in the hermetic space communicating with the hermetic vessel, and displacement sensors 4-3, 5-3, 6-3, and 7-3 and stator-side magnetic poles 4-4, 5-4, 6-4, and 7-4 opposing the displacement sensor targets and rotor-side magnetic poles are disposed outside of the hermetic vessel with cans 14, 15, 17, and 18 interposed therebetween, whereby even when the circulation fan 2 is rotated at a high speed and under a high load, the process gas is not contaminated, ensuring maintenance-free operation, and furthermore, an installation space can be reduced.
    • 一种循环风扇装置,包括其中含有腐蚀性工艺气体的密封容器1和安装在密封容器中的循环风扇2,循环风扇的转子2-1,2-2由轴承可旋转地支撑,其中轴承包括控制 型径向磁轴承4,5和至少控制型轴向磁轴承6,7位移传感器目标4-1,5-1,6-1和7-1以及转子侧磁极4-2, 径向磁轴承4和5以及轴向磁轴承6和7的5-2,6-2和7-2固定在循环风扇2的转子2-1和2-2上,并设置在密封空间 与密封容器连通,以及位移传感器4-3,5-3,6-3和7-3以及与位移相反的定子侧磁极4-4,5-4,6-4和7-4 传感器靶和转子侧磁极设置在密封容器的外侧,其间插入有罐14,15,17和18,由此即使循环风扇2是旋转 在高速和高负载下,处理气体不被污染,确保免维护操作,此外,可以减少安装空间。
    • 6. 发明授权
    • Excimer laser device
    • 准分子激光装置
    • US06366039B1
    • 2002-04-02
    • US09553466
    • 2000-04-19
    • Shinichi SekiguchiHiroyuki ShinozakiToshimitsu BaradaToshiharu Nakazawa
    • Shinichi SekiguchiHiroyuki ShinozakiToshimitsu BaradaToshiharu Nakazawa
    • H01S302
    • F16C32/047H01S3/036H01S3/225
    • An excimer laser device which is capable of keeping the rotational speed of a fan constant and uniformizing a laser gas flow between main discharge electrodes even when the pressure of a laser gas filled in a casing varies. The excimer laser device includes a casing filled with a laser gas; a pair of main discharge electrodes disposed in the casing for producing an electric discharge to discharge-pump the laser gas at a high repetition rate; a fan for producing a high-speed laser gas flow between the main discharge electrodes; bearings, the fan having a rotatable shaft rotatably supported by the bearings; a motor for actuating the fan; a rotational speed detecting device for detecting a rotational speed of the fan; and control device for controlling at least one of a voltage and a frequency to be supplied to the motor based on the rotational speed of the fan detected by the rotational speed detecting device, thereby to control the rotational speed of the fan at a constant level.
    • 即使在填充在壳体中的激光气体的压力变化的情况下,能够使风扇的旋转速度恒定并使主放电电极之间的激光气流均匀化的准分子激光装置。 准分子激光装置包括填充有激光气体的壳体; 一对主放电电极,设置在壳体中,用于产生放电,以高重复率对激光气体进行泵浦; 用于在主放电电极之间产生高速激光气流的风扇; 所述风扇具有由所述轴承可旋转地支撑的可旋转轴; 用于致动风扇的电动机; 用于检测风扇的转速的转速检测装置; 以及控制装置,用于根据由转速检测装置检测到的风扇的转速来控制要提供给电动机的电压和频率中的至少一个,从而将风扇的转速控制在恒定水平。
    • 9. 发明授权
    • Dressing apparatus, dressing method, and polishing apparatus
    • 敷料装置,修整方法和抛光装置
    • US08517796B2
    • 2013-08-27
    • US12791979
    • 2010-06-02
    • Hiroyuki Shinozaki
    • Hiroyuki Shinozaki
    • B24B49/00B24B55/00B24B5/00B24B1/00
    • B24B53/017B24B49/08B24B49/16
    • A dressing apparatus is used in a polishing apparatus for polishing a substrate to planarize a surface of the substrate. The dressing apparatus includes a dresser disk, a dresser drive shaft coupled to the dresser disk, a pneumatic cylinder configured to press the dresser disk against the polishing pad through the dresser drive shaft, a pressure-measuring device configured to measure pressure of the gas supplied to the pneumatic cylinder, a load-measuring device configured to measure a load acting on the dresser drive shaft, and a pressure controller configured to control the pressure of the gas supplied to the pneumatic cylinder. The pressure controller is configured to establish a relationship between the pressure of the gas and a pressing force of the dresser disk against the polishing pad, based on measurement values of the pressure-measuring device and the load-measuring device.
    • 在用于抛光基板以使基板的表面平坦化的抛光装置中使用敷料装置。 修整装置包括修整器盘,联接到修整器盘的修整器驱动轴,气动缸,构造成通过修整器驱动轴将修整器盘压靠在抛光垫上;压力测量装置,被配置为测量供应的气体的压力 一个负载测量装置,被配置为测量作用在修整器驱动轴上的负载;以及压力控制器,被配置为控制供应到气缸的气体的压力。 压力控制器被配置为基于压力测量装置和负载测量装置的测量值来建立气体的压力和修整器盘对抛光垫的按压力之间的关系。