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    • 4. 发明申请
    • LITHOGRAPHIC APPARATUS WITH AN ENCODER ARRANGED FOR DEFINING A ZERO LEVEL
    • 具有编码器的LITHOGRAPHIC设备安排定义零水平
    • US20090180084A1
    • 2009-07-16
    • US12351563
    • 2009-01-09
    • Suzanne Johanna Antonetta Geertruda COSIJNSAndre Schreuder
    • Suzanne Johanna Antonetta Geertruda COSIJNSAndre Schreuder
    • G03B27/00G01B11/14
    • G03F7/70775
    • A lithographic apparatus includes a position measuring system configured to measure a position of a moveable object with respect to a reference frame of the lithographic apparatus, in at least one direction of an orthogonal x-y-z coordinate system of the moveable object. The position measuring system includes an optical x-z-encoder configured to measure a displacement of a radiation source, a first grating, and a detector with respect to a second grating of the encoder. The first grating includes an alignment marker. A controller is configured to define a zero level of the moveable object with respect to the reference frame in at least one of the x- and z-direction by performing the scanning along the first grating, the alignment marker during the scanning step causing changes in the phase of the response of both the first positive and negative orders.
    • 光刻设备包括位置测量系统,其配置成在可移动物体的正交x-y-z坐标系的至少一个方向上测量相对于光刻设备的参考系的可移动物体的位置。 位置测量系统包括光学x-z编码器,其配置成相对于编码器的第二光栅测量辐射源的位移,第一光栅和检测器。 第一光栅包括对准标记。 控制器被配置为通过沿着第一光栅执行扫描来定义在x和z方向中的至少一个方面相对于参考帧的可移动物体的零电平,扫描步骤期间的对准标记引起变化 第一个正负指令的反应阶段。
    • 6. 发明授权
    • Lithographic apparatus with an encoder arranged for defining a zero level
    • 具有用于定义零电平的编码器的平版印刷设备
    • US08111377B2
    • 2012-02-07
    • US12351563
    • 2009-01-09
    • Suzanne Johanna Antonetta Geertruda CosijnsAndre Schreuder
    • Suzanne Johanna Antonetta Geertruda CosijnsAndre Schreuder
    • G03B27/42
    • G03F7/70775
    • A lithographic apparatus includes a position measuring system configured to measure a position of a moveable object with respect to a reference frame of the lithographic apparatus, in at least one direction of an orthogonal x-y-z coordinate system of the moveable object. The position measuring system includes an optical x-z-encoder configured to measure a displacement of a radiation source, a first grating, and a detector with respect to a second grating of the encoder. The first grating includes an alignment marker. A controller is configured to define a zero level of the moveable object with respect to the reference frame in at least one of the x- and z-direction by performing the scanning along the first grating, the alignment marker during the scanning step causing changes in the phase of the response of both the first positive and negative orders.
    • 光刻设备包括位置测量系统,其配置成在可移动物体的正交x-y-z坐标系的至少一个方向上测量相对于光刻设备的参考系的可移动物体的位置。 位置测量系统包括光学x-z编码器,其配置成相对于编码器的第二光栅测量辐射源的位移,第一光栅和检测器。 第一光栅包括对准标记。 控制器被配置为通过沿着第一光栅执行扫描来定义在x和z方向中的至少一个方面相对于参考帧的可移动物体的零电平,扫描步骤期间的对准标记引起变化 第一个正负指令的反应阶段。
    • 7. 发明授权
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US07417710B2
    • 2008-08-26
    • US11234393
    • 2005-09-26
    • Andre Schreuder
    • Andre Schreuder
    • G03B27/42G03B27/58
    • G03F7/70341
    • A lithographic apparatus includes a liquid supply system to supply an immersion liquid between a downstream lens of a projection system of the lithographic apparatus and a substrate. The lithographic apparatus further includes a closing element to close an underside of the liquid supply system thus preventing leaking of the immersion liquid from the liquid supply system when the substrate is removed from the underside of the liquid supply system. According to an aspect of the invention, an inductive sensor may be used to measure a position of the closing element. The inductive sensor may include an eddy current sensor. A metal foil or other conductive layer may be applied to the closing element. According to an aspect of the invention, a fast return of the closing disc into the holder is now made possible making use of the position of the closing disc as established with the inductive sensor.
    • 光刻设备包括供应系统以在光刻设备的投影系统的下游透镜和基板之间提供浸没液体。 光刻设备还包括一封闭元件,用于封闭液体供应系统的下侧,从而防止当液体供应系统的下侧移除基板时液体从液体供应系统泄漏。 根据本发明的一个方面,电感式传感器可用于测量关闭元件的位置。 感应传感器可以包括涡流传感器。 可以将金属箔或其它导电层施加到闭合元件。 根据本发明的一个方面,现在可以利用与电感式传感器建立的封闭盘的位置将封闭盘快速返回到保持器中。
    • 8. 发明申请
    • Lithographic apparatus and device manufacturing method
    • 平版印刷设备和器件制造方法
    • US20070070312A1
    • 2007-03-29
    • US11234393
    • 2005-09-26
    • Andre Schreuder
    • Andre Schreuder
    • G03B27/42
    • G03F7/70341
    • A lithographic apparatus comprises a liquid supply system to supply an immersion liquid between a downstream lens of a projection system of the lithographic apparatus and a substrate. The lithographic apparatus further comprises a closing element to close an underside of the liquid supply system thus preventing a leaking away of the immersion liquid from the liquid supply system when the substrate is removed from the underside of the liquid supply system. According to an aspect of the invention, an inductive sensor may be used to measure a position of the closing element. The inductive sensor may comprise an eddy current sensor, a metal foil or other conductive layer may be applied to the closing element. According to an aspect of the invention, a fast bringing back of the closing disc into the holder is now made possible making use of the position of the closing disc as established with the inductive sensor.
    • 光刻设备包括供应系统以在光刻设备的投影系统的下游透镜和基板之间提供浸没液体。 光刻设备还包括一个关闭元件,用于关闭液体供应系统的下侧,从而防止当液体供应系统的下侧移除基板时浸没液体从液体供应系统泄漏。 根据本发明的一个方面,电感式传感器可用于测量关闭元件的位置。 感应传感器可以包括涡流传感器,金属箔或其它导电层可以施加到闭合元件。 根据本发明的一个方面,现在可以利用与电感式传感器建立的关闭盘的位置,将闭合盘快速回到保持器中。