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    • 23. 发明授权
    • Device manufacturing method and lithographic apparatus
    • 器件制造方法和光刻设备
    • US08300212B2
    • 2012-10-30
    • US12760247
    • 2010-04-14
    • Laurentius Cornelius De WinterJozef Maria Finders
    • Laurentius Cornelius De WinterJozef Maria Finders
    • G03B27/54G03B27/42
    • G03F7/70308G03F7/70258G03F7/70266G03F7/70283
    • A mask can be used to print a pattern. Due to mask pattern surface topography, an image error may occur, such as an intensity imbalance between adjacent bright lines in the projected pattern. To help alleviate or eliminate the problem of intensity imbalance, the projection system may include an optical phase adjuster constructed and arranged to adjust a phase of an electric field of optical beams of radiation beam traversing the adjuster. A reduction of intensity imbalance is achieved by suitably adjusting the phases of the zeroth, plus first and minus first-order diffracted radiation emanating from the mask pattern. By adjusting the phase differently for different portions of the illumination, the method can be applied such that no decrease of depth of focus due, for example, the 0th order is occurring.
    • 可以使用掩码打印图案。 由于掩模图案表面形貌,可能会出现图像错误,例如投影图案中相邻亮线之间的强度不平衡。 为了帮助减轻或消除强度不平衡的问题,投影系统可以包括光学相位调节器,其被构造和布置成调节穿过调节器的辐射束的光束的电场的相位。 强度不平衡的减少是通过适当地调整第零阶相加加掩模图形发出的第一和第一级衍射辐射来实现的。 通过对照明的不同部分不同地调整相位,可以应用该方法,使得不会发生例如第0次的焦点的降低。
    • 24. 发明授权
    • Method for a lithographic apparatus
    • 光刻设备的方法
    • US08178263B2
    • 2012-05-15
    • US12625063
    • 2009-11-24
    • Laurentius Cornelius De WinterJozef Maria Finders
    • Laurentius Cornelius De WinterJozef Maria Finders
    • G06F9/00G03C5/00
    • G03B27/42G03F7/70308
    • A method of increasing a depth of focus of a lithographic apparatus is disclosed. The method includes forming diffracted beams of radiation using a patterning device pattern; and transforming a phase-wavefront of a portion of the diffracted beams into a first phase-wavefront having a first focal plane for the lithographic apparatus, and a second phase-wavefront having a second, different focal plane, wherein the transforming comprises: subjecting a phase of a first portion of a first diffracted beam and a phase of a corresponding first portion of a second diffracted beam to a phase change which results in an at least partial formation of the first phase-wavefront, and subjecting a phase of a second portion of the first diffracted beam and a phase of a corresponding second portion of the second diffracted beam to a phase change which results in an at least partial formation of the second phase-wavefront.
    • 公开了增加光刻设备的焦深的方法。 该方法包括使用图案形成装置图案形成衍射的辐射束; 以及将衍射光束的一部分的相位波前变换为具有用于所述光刻设备的第一焦平面的第一相位波前,以及具有第二不同焦平面的第二相位波前,其中所述变换包括:对 将第一衍射光束的第一部分的相位和第二衍射光束的对应的第一部分的相位相位改变为导致第一相位波段的至少部分形成,并且使第二部分的相位 并且所述第二衍射光束的对应的第二部分的相位变为导致第二相位波前的至少部分形成的相位变化。
    • 27. 发明申请
    • METHOD FOR A LITHOGRAPHIC APPARATUS
    • 一种平面设备的方法
    • US20100123887A1
    • 2010-05-20
    • US12617855
    • 2009-11-13
    • Laurentius Cornelius DE WINTERJozef Maria Finders
    • Laurentius Cornelius DE WINTERJozef Maria Finders
    • G03B27/52
    • G03F7/70641G03F7/70125G03F7/70308G03F7/70591G03F7/70891
    • A method is described that includes illuminating a patterning device pattern with a radiation beam having a symmetric illumination mode, the patterning device pattern comprising a first pattern feature that substantially diffracts radiation of the radiation beam, and a second pattern feature that does not substantially diffract radiation of the radiation beam, introducing an asymmetry, relative to an optical axis, in the substantially diffracted radiation using a phase modulation element, illuminating a radiation beam receiving element with radiation emanating from the phase modulation element to form a receiving element pattern that is related to the patterning device pattern, the receiving element pattern having first and second receiving element pattern features related to the first and second pattern features respectively, and determining information at least indicative of a focal property from positional information regarding the relative positions of the first and second receiving element pattern features.
    • 描述了一种方法,其包括用具有对称照明模式的辐射束照射图案形成装置图案,图案形成装置图案包括基本上衍射辐射束的辐射的第一图案特征,以及基本上不辐射辐射的第二图案特征 使用相位调制元件在基本上衍射的辐射中引入相对于光轴的不对称性,用相位调制元件发射的辐射照射辐射束接收元件,以形成与 图案形成装置图案,接收元件图案具有分别与第一和第二图案特征相关的第一和第二接收元件图案特征,以及根据关于第一和第二图案特征的相对位置的位置信息来确定至少指示焦点特性的信息 g元素图案特征。
    • 30. 发明授权
    • Method for a lithographic apparatus
    • 光刻设备的方法
    • US09535341B2
    • 2017-01-03
    • US12617855
    • 2009-11-13
    • Laurentius Cornelius De WinterJozef Maria Finders
    • Laurentius Cornelius De WinterJozef Maria Finders
    • G03B27/52G03F7/20
    • G03F7/70641G03F7/70125G03F7/70308G03F7/70591G03F7/70891
    • A method is described that includes illuminating a patterning device pattern with a radiation beam having a symmetric illumination mode, the patterning device pattern comprising a first pattern feature that substantially diffracts radiation of the radiation beam, and a second pattern feature that does not substantially diffract radiation of the radiation beam, introducing an asymmetry, relative to an optical axis, in the substantially diffracted radiation using a phase modulation element, illuminating a radiation beam receiving element with radiation emanating from the phase modulation element to form a receiving element pattern that is related to the patterning device pattern, the receiving element pattern having first and second receiving element pattern features related to the first and second pattern features respectively, and determining information at least indicative of a focal property from positional information regarding the relative positions of the first and second receiving element pattern features.
    • 描述了一种方法,其包括用具有对称照明模式的辐射束照射图案形成装置图案,图案形成装置图案包括基本上衍射辐射束的辐射的第一图案特征,以及基本上不辐射辐射的第二图案特征 使用相位调制元件在基本上衍射的辐射中引入相对于光轴的不对称性,用相位调制元件发射的辐射照射辐射束接收元件,以形成与 图案形成装置图案,接收元件图案具有分别与第一和第二图案特征相关的第一和第二接收元件图案特征,以及根据关于第一和第二图案特征的相对位置的位置信息来确定至少指示焦点特性的信息 g元素图案特征。