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    • 4. 发明专利
    • Lithographic apparatus, computer program product and device manufacturing method
    • 计算机设备,计算机程序产品和设备制造方法
    • JP2012028778A
    • 2012-02-09
    • JP2011160648
    • 2011-07-22
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • POSTMA SAIZEVAN DE KERKHOF MARCUS AMOEST BEARRACHMATIAS CERRATO VASCO MIGUEL
    • H01L21/027G01B11/00
    • G03F9/7088G03F9/7046
    • PROBLEM TO BE SOLVED: To improve the accuracy of an image sensor during reticle alignment.SOLUTION: Disclosed is a device manufacturing method and associated apparatus, the method comprising transferring a pattern from a patterning device onto a substrate. The method relates to the alignment of the patterning device and the substrate, and comprises imparting a radiation beam onto an alignment structure on the patterning device so as to obtain a resultant aerial image; scanning an image sensor in accordance with a scanning scheme, through a target volume containing the resultant aerial image, in which the relative positions of the image sensor and the substrate being known or subsequently determined; and measuring features of the image and thereby determining the location of the alignment structure relative to the image sensor. In the method, an alternative scanning scheme is used, in which, for example, two or more scans through the whole target volume are performed, having total duration being the same as a conventional single continuous scan.
    • 要解决的问题:提高标线校准过程中图像传感器的精度。 解决方案:公开了一种器件制造方法和相关设备,该方法包括将图案从图案形成装置转移到衬底上。 该方法涉及图案形成装置和衬底的对准,并且包括将辐射束施加到图案形成装置上的对准结构上,以获得所得到的空间图像; 通过包含所得到的空间图像的目标体积根据扫描方案扫描图像传感器,其中图像传感器和基板的相对位置已知或随后确定; 并测量图像的特征,从而确定对准结构相对于图像传感器的位置。 在该方法中,使用替代扫描方案,其中,例如,执行通过整个目标体积的两次或更多次扫描,其总持续时间与常规单次连续扫描相同。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Lithographic apparatus, and method of irradiating at least two target portions
    • 光刻设备和至少两个目标部分的辐射方法
    • JP2010147471A
    • 2010-07-01
    • JP2009281727
    • 2009-12-11
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • VAN WEERT CORNELIS LAMBERTUS MARIAVAN DE KERKHOF MARCUS AMOEST BEARRACH
    • H01L21/027G03F7/20
    • G03F7/70341G03F7/70066
    • PROBLEM TO BE SOLVED: To provide a lithographic apparatus whose surface material such as a coating is prevented from deteriorating. SOLUTION: A lithographic apparatus includes a table, at least two target portions on the table or on an object on the table, and a surface material between the at least two target portions. The lithography apparatus further includes an optical system configured to project an emitted beam, along an optical path towards the table, with a cross-section to irradiate the at least two target portions at the same time. The lithography apparatus further includes a shield movable into the optical path to restrict the cross-section of the emitted beam to restrict irradiation between the at least two target portions, wherein the surface material between the at least two target portions degrades when irradiated with the emitted beam through the optical system. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供防止表面材料如涂层劣化的光刻设备。 解决方案:光刻设备包括桌子,桌子上的至少两个目标部分或桌子上的物体上的至少两个目标部分和至少两个目标部分之间的表面材料。 光刻设备还包括一个光学系统,该光学系统配置成沿着光学路径朝着工作台投影发射的光束,同时具有横截面以同时照射至少两个目标部分。 光刻设备还包括可移动到光路中的屏蔽件,以限制发射光束的横截面以限制至少两个目标部分之间的照射,其中当被发射的光束照射时,至少两个目标部分之间的表面材料降解 光束通过光学系统。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Lithographic apparatus, device manufacturing method, and method of applying pattern to substrate
    • 平版印刷设备,设备制造方法以及将图形应用于基板的方法
    • JP2011091398A
    • 2011-05-06
    • JP2010231036
    • 2010-10-14
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • VAN DE KERKHOF MARCUS AVENEMA WILLEM JURIANUSMOEST BEARRACHMATTHIAS SERAO VASCO MIGUELBOMHOF CEDRAN
    • H01L21/027G01B11/00G03F7/20
    • G03F7/70775B21B38/00G03F9/7011G03F9/7019G03F9/7026G03F9/7088G03F9/7092H01J2235/062
    • PROBLEM TO BE SOLVED: To further reduce overhead of measurement and/or a measurement error and a positioning error in a lithographic apparatus. SOLUTION: A certain lithographic apparatus includes at least one image alignment sensor for receiving radiation projected from an alignment mark on a reticle. Processor processes signals from the sensor(s) to resolve spatial information in the projected alignment mark to establish a reference for measuring positional relationships between a substrate support and the patterning location. Examples of the sensor include line arrays of photodetectors. A single array can resolve spatial information in a plane of the sensor (X, Y direction) and in a perpendicular (Z) direction. At least a final step in establishing the reference position is performed while holding the substrate support stationary. Errors and delays induced by mechanical scanning of prior art sensors are avoided. Alternatively (not illustrated) the sensor is moved for mechanical scanning relative to the substrate support, independently of the main positioning systems. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:进一步降低光刻设备中的测量和/或测量误差和定位误差的开销。 解决方案:某个光刻设备包括至少一个图像对准传感器,用于接收从掩模版上的对准标记投影的辐射。 处理器处理来自传感器的信号以解决投影对准标记中的空间信息,以建立用于测量基板支撑件和图案化位置之间的位置关系的参考。 传感器的示例包括光电检测器的线阵列。 单个阵列可以解析传感器(X,Y方向)和垂直(Z)方向的平面内的空间信息。 在保持基板支撑固定的同时执行建立基准位置的至少最后一步。 避免了现有技术传感器的机械扫描引起的错误和延迟。 或者(未示出),传感器相对于基板支撑件移动以进行机械扫描,而与主定位系统无关。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Reduction of fit error due to non-uniform sample distribution
    • 减少非均匀样品分配的FIT错误
    • JP2007329462A
    • 2007-12-20
    • JP2007120637
    • 2007-05-01
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • MOEST BEARRACH
    • H01L21/027G03F7/20
    • G03F9/7011G03F9/7092
    • PROBLEM TO BE SOLVED: To improve overlay control by employing a system and a method for measuring an aerial image of an object mark in space. SOLUTION: A weighted fit based on a sample density of a plurality of samples is used to determine an alignment curve. A scan that produces the samples may include portions having greater and lesser sample density. While performing an interpolation to produce a best fit curve, a plurality of neighboring samples are chosen for each sample point, for sample points associated with a value above a threshold. A weighting function may be performed based on a distance between a given sample and the chosen nearest neighbors, wherein measurements that are taken in a region with denser samples are given less weight than measurements that are taken in a region with sparser samples. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过采用用于测量空间中的物体标记的空间图像的系统和方法来改进覆盖控制。 解决方案:使用基于多个样本的样本密度的加权拟合来确定对准曲线。 产生样品的扫描可以包括具有更大和更小样品密度的部分。 在执行插值以产生最佳拟合曲线时,对于与高于阈值的值相关联的采样点,针对每个采样点选择多个相邻采样。 可以基于给定样本与所选择的最近邻居之间的距离来执行加权函数,其中在具有更密集样本的区域中进行的测量的权重小于在具有较稀疏样本的区域中进行的度量。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • Device and method for transmission image sensing
    • 用于传输图像感测的装置和方法
    • JP2013048276A
    • 2013-03-07
    • JP2012237385
    • 2012-10-29
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • MOEST BEARRACH
    • H01L21/027G03F7/20
    • G03F7/70666G03F1/84
    • PROBLEM TO BE SOLVED: To provide a device for transmission image sensing for sensing an aerial image in a lithographic exposure apparatus.SOLUTION: The device comprises a projection system arranged to form, at an image side of the projection system, an aerial image of an object mark. The device further comprises a detector comprising a slit pattern having features corresponding to at least a part of the aerial image. The slit pattern is arranged to be exposed to the aerial image. The detector is further arranged to detect detection radiation transmitted by the slit pattern. Here, d
    • 要解决的问题:提供一种用于在光刻曝光设备中感测航空图像的透射图像感测装置。 解决方案:该装置包括投影系统,该投影系统布置成在投影系统的像侧形成物体标记的空中图像。 该装置还包括检测器,其包括具有对应于空中图像的至少一部分的特征的狭缝图案。 狭缝图案布置成暴露于空中图像。 检测器还被布置成检测由狭缝图案传输的检测辐射。 这里,d <0.85 *λ/ NA,其中d表示狭缝图案的最小特征的尺寸,λ表示检测辐射的预期波长,并且大于1的NA表示图像的数值孔径 侧。 版权所有(C)2013,JPO&INPIT