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    • 1. 发明授权
    • Stage device and stage cleaning method
    • 舞台装置和舞台清洁方法
    • US08281794B2
    • 2012-10-09
    • US12799675
    • 2010-04-29
    • Yoshihisa OaeYouichi Shimizu
    • Yoshihisa OaeYouichi Shimizu
    • B08B3/00
    • G03F7/70925B82Y10/00B82Y40/00G03F7/70716G03F7/70775G03F7/70816G03F7/70916H01J37/3174H01J37/32862H01L21/67028
    • A stage device for use in a vacuum includes a frame-shaped movable stage having a sample mounting surface, a fixed stage surrounded by the movable stage, an air bearing to float the movable stage by supplying gas to a gap between the stages, a pressure regulator to regulate a pressure of the gas, a differential pumping portion to prevent the gas from flowing outside the gap, and a controller. The controller moves the movable stage within a predetermined range under a pressure in the differential pumping portion set equal to that for movable stage in use when setting a floating height of the movable stage lower than that for movable stage in use, and under the pressure in the differential pumping portion set higher than that for movable stage in use when setting the floating height of the movable stage equal to that for movable stage in use.
    • 用于真空的舞台装置包括:具有样品安装表面的框架式可移动台,由可动台环绕的固定台,通过向台架之间的间隙供应气体来浮动可移动台的空气轴承,压力 用于调节气体的压力的调节器,用于防止气体流过间隙的差动泵送部分和控制器。 当将可移动平台的浮动高度设定得比使用中的可移动平台的浮动高度低时,控制器将可移动平台移动到与使用中的可移动平台相同的差动泵送部分的压力下的预定范围内,并且在 当使可移动台的浮动高度等于在使用中的可移动台的浮动高度时,差分泵送部分设定得高于使用中的可动台的差动泵送部分。
    • 2. 发明申请
    • STAGE DEVICE AND STAGE CLEANING METHOD
    • 阶段设备和阶段清洁方法
    • US20120118325A1
    • 2012-05-17
    • US13340251
    • 2011-12-29
    • Yoshihisa OaeYouichi Shimizu
    • Yoshihisa OaeYouichi Shimizu
    • B08B5/02B08B7/00
    • G03F7/70925B82Y10/00B82Y40/00G03F7/70716G03F7/70775G03F7/70816G03F7/70916H01J37/3174H01J37/32862H01L21/67028
    • A stage device for use in a vacuum includes a frame-shaped movable stage having a sample mounting surface, a fixed stage surrounded by the movable stage, an air bearing to float the movable stage by supplying gas to a gap between the stages, a pressure regulator to regulate a pressure of the gas, a differential pumping portion to prevent the gas from flowing outside the gap, and a controller. The controller moves the movable stage within a predetermined range under a pressure in the differential pumping portion set equal to that for movable stage in use when setting a floating height of the movable stage lower than that for movable stage in use, and under the pressure in the differential pumping portion set higher than that for movable stage in use when setting the floating height of the movable stage equal to that for movable stage in use.
    • 用于真空的舞台装置包括:具有样品安装表面的框架式可移动台,由可动台环绕的固定台,通过向台架之间的间隙供应气体来浮动可移动台的空气轴承,压力 用于调节气体的压力的调节器,用于防止气体流过间隙的差动泵送部分和控制器。 当将可移动平台的浮动高度设定得比使用中的可移动平台的浮动高度低时,控制器将可移动平台移动到与使用中的可移动平台相同的差动泵送部分的压力下的预定范围内,并且在 当使可移动台的浮动高度等于在使用中的可移动台的浮动高度时,差分泵送部分设定得高于使用中的可动台的差动泵送部分。
    • 3. 发明申请
    • Stage device
    • 舞台装置
    • US20110204255A1
    • 2011-08-25
    • US12932246
    • 2011-02-22
    • Yoshihisa OoaeYouichi Shimizu
    • Yoshihisa OoaeYouichi Shimizu
    • H01J37/20
    • F16C29/025F16C32/0614F16C2300/62F16C2360/45G03F7/70716G03F7/70816H01J37/20H01J2237/2006H01J2237/202H01J2237/3175
    • A stage device to be used in a vacuum includes: a gas supply unit for generating a gas; a base member having four of upper, lower, right, and left surfaces; a slider formed in a frame shape surrounding the base member and having surfaces facing the respective surfaces of the base member, and disposed to be movable; and an air bearing configured to float the slider by supplying the gas to a space between the base member and the slider. The slider includes: an air chamber provided on the surface facing the base member for accumulating air, and the base member includes thereinside a slider-moving air flow passage configured to supply the gas from an inlet port for letting in the gas generated by the gas supply unit to an outlet port for supplying the gas to the air chamber of the slider.
    • 在真空中使用的平台装置包括:用于产生气体的气体供应单元; 具有上,下,右和左表面四个的基部构件; 滑块,其形成为围绕所述基座构件且具有面向所述基座构件的各个表面的表面并且被设置为可移动的框架形状; 以及空气轴承,其构造成通过将气体供给到基部构件和滑块之间的空间来浮动滑块。 滑块包括:设置在面向基部构件的表面上用于积聚空气的空气室,并且基座构件包括滑块移动空气流动通道,该滑动器移动空气流动通道构造成从用于从气体产生的气体中的入口端口供应气体 供给单元到用于将气体供应到滑块的空气室的出口。
    • 5. 发明授权
    • Stage device and stage cleaning method
    • 舞台装置和舞台清洁方法
    • US08382911B2
    • 2013-02-26
    • US13340251
    • 2011-12-29
    • Yoshihisa OaeYouichi Shimizu
    • Yoshihisa OaeYouichi Shimizu
    • B08B7/04
    • G03F7/70925B82Y10/00B82Y40/00G03F7/70716G03F7/70775G03F7/70816G03F7/70916H01J37/3174H01J37/32862H01L21/67028
    • A method for a stage device of an electron beam exposure system which conducts a cleaning operation and an electron beam (EB) exposure operation is disclosed. The method includes the steps of moving a movable stage within a predetermined range and regulating pressure of gas supplied to an air bearing; and setting a floating height of the movable stage in the cleaning operation lower than that in the EB exposure operation and setting the pressure in a differential pumping portion in the cleaning operation equal to that in the EB exposure operation, or setting the floating height of the movable stage in the cleaning operation equal to that in the EB exposure operation and setting the pressure in the differential pumping portion in the cleaning operation higher than that in the EB exposure operation.
    • 公开了一种进行清洗操作和电子束(EB)曝光操作的电子束曝光系统的平台装置的方法。 该方法包括以下步骤:将可移动台移动到预定范围内并调节供应给空气轴承的气体的压力; 并且在清洁操作中将移动台的浮动高度设置为低于EB曝光操作中的浮动高度,并将清洁操作中的差动泵送部分中的压力设置为等于EB曝光操作中的压力,或者设置浮动高度 清洁操作中的可移动级等于EB曝光操作中的可移动级,并且将清洁操作中的差动泵送部中的压力设置为高于EB曝光操作中的压力。
    • 7. 发明申请
    • Stage device and stage cleaning method
    • 舞台装置和舞台清洁方法
    • US20100236576A1
    • 2010-09-23
    • US12799675
    • 2010-04-29
    • Yoshihisa OaeYouichi Shimizu
    • Yoshihisa OaeYouichi Shimizu
    • B08B7/00F16C32/06
    • G03F7/70925B82Y10/00B82Y40/00G03F7/70716G03F7/70775G03F7/70816G03F7/70916H01J37/3174H01J37/32862H01L21/67028
    • A stage device for use in a vacuum includes a frame-shaped movable stage having a sample mounting surface, a fixed stage surrounded by the movable stage, an air bearing to float the movable stage by supplying gas to a gap between the stages, a pressure regulator to regulate a pressure of the gas, a differential pumping portion to prevent the gas from flowing outside the gap, and a controller. The controller moves the movable stage within a predetermined range under a pressure in the differential pumping portion set equal to that for movable stage in use when setting a floating height of the movable stage lower than that for movable stage in use, and under the pressure in the differential pumping portion set higher than that for movable stage in use when setting the floating height of the movable stage equal to that for movable stage in use.
    • 用于真空的舞台装置包括:具有样品安装表面的框架式可移动台,由可动台环绕的固定台,通过向台架之间的间隙供应气体来浮动可移动台的空气轴承,压力 用于调节气体的压力的调节器,用于防止气体流过间隙的差动泵送部分和控制器。 当将可移动平台的浮动高度设定得比使用中的可移动平台的浮动高度低时,控制器将可移动平台移动到与使用中的可移动平台相同的差动泵送部分的压力下的预定范围内,并且在 当使可移动台的浮动高度等于在使用中的可移动台的浮动高度时,差分泵送部分设定得高于使用中的可动台的差动泵送部分。
    • 8. 发明授权
    • Stage device
    • 舞台装置
    • US08530857B2
    • 2013-09-10
    • US12932246
    • 2011-02-22
    • Yoshihisa OoaeYouichi Shimizu
    • Yoshihisa OoaeYouichi Shimizu
    • G21K5/08
    • F16C29/025F16C32/0614F16C2300/62F16C2360/45G03F7/70716G03F7/70816H01J37/20H01J2237/2006H01J2237/202H01J2237/3175
    • A stage device to be used in a vacuum includes: a gas supply unit for generating a gas; a base member having upper, lower, right, and left surfaces; a slider formed in a frame shape surrounding the base member and having surfaces facing the respective surfaces of the base member, and disposed to be movable; and an air bearing configured to float the slider by supplying the gas to a space between the base member and the slider. The slider includes: an air chamber provided on the surface facing the base member for accumulating air, and the base member includes thereinside a slider-moving air flow passage configured to guide the gas from an inlet port to an outlet port for supplying the gas to the air chamber of the slider.
    • 在真空中使用的平台装置包括:用于产生气体的气体供应单元; 具有上,下,右和左表面的基部构件; 滑块,其形成为围绕所述基座构件且具有面向所述基座构件的各个表面的表面并且被设置为可移动的框架形状; 以及空气轴承,其构造成通过将气体供给到基部构件和滑块之间的空间来浮动滑块。 该滑块包括:设置在面向基座部件的表面上的用于积聚空气的空气室,底座部件包括滑块移动空气流动通道,该滑动件移动空气流动通道构造成将气体从入口引导到出口以将气体供应到 滑块的气室。