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    • 4. 发明专利
    • Lithographic method and apparatus
    • 光刻方法和装置
    • JP2013187539A
    • 2013-09-19
    • JP2013025770
    • 2013-02-13
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • BASELMANS JOHANNES JACOBUS MATHEUSJASPER JOHANNES CHRISTIAAN MARIA
    • H01L21/027G03F7/20
    • G03F7/705G03F7/70058G03F7/70141G03F7/706G03F7/70891
    • PROBLEM TO BE SOLVED: To provide, for example, a lithographic method which provides an improved throughput or availability compared with known lithographic methods.SOLUTION: Provided is a method of patterning substrates using a lithographic apparatus. The method comprises: providing a beam of radiation using an illumination system; using a patterning device to provide the radiation beam with a pattern in its cross-section; and using a projection system to project the patterned radiation beam onto target portions of a substrate lot. The method further comprises: performing radiation beam aberration measurement after projecting the patterned radiation beam onto a subset of the substrate lot; adjusting the projection system using results of the radiation beam aberration measurement; and then projecting the patterned radiation beam onto a further subset of the substrate lot.
    • 要解决的问题:提供例如与已知平版印刷方法相比提供改善的生产量或可用性的光刻方法。提供了一种使用光刻设备对基板进行图案化的方法。 该方法包括:使用照明系统提供辐射束; 使用图案形成装置在其横截面上提供具有图案的辐射束; 以及使用投影系统将图案化的辐射束投影到衬底批的目标部分上。 该方法还包括:在将图案化的辐射束投影到衬底批次的子集之后执行辐射束像差测量; 使用辐射束像差测量结果调整投影系统; 然后将图案化的辐射束投影到衬底批的另一个子集上。
    • 5. 发明专利
    • Lithographic apparatus and device manufacturing method utilizing data filtering
    • 利用数据过滤的平面设备和设备制造方法
    • JP2013048258A
    • 2013-03-07
    • JP2012220149
    • 2012-10-02
    • Asml Netherlands Bvエーエスエムエル ネザーランズ ビー.ブイ.
    • TINNEMANS PATRICIUS ALOYSIUS JBASELMANS JOHANNES JACOBUS MATHEUS
    • H01L21/027G03F7/20
    • G03F7/70191G03F7/70291G03F7/70433G03F7/70508
    • PROBLEM TO BE SOLVED: To provide an apparatus and a method, for executing maskless lithography more effectively.SOLUTION: The apparatus comprise a projection system, a pattern forming device, a low-pass filter, and a data manipulation device. The projection system projects a beam of radiation onto a substrate as an array of sub-beams of the radiation. The pattern forming device modulates the sub-beams of the radiation to substantially generate a requested dose pattern on the substrate. The low-pass filter executes calculation of pattern data derived from the requested dose pattern, thereby forming a frequency-clipped target dose pattern mainly including only spatial frequency components below a selected threshold frequency. The data manipulation device generates a control signal including spot exposure intensities to be generated by the patterning device, on the basis of a direct algebraic least-squares fit of the spot exposure intensities to the frequency-clipped target dose pattern.
    • 要解决的问题:提供一种更有效地执行无掩模光刻的装置和方法。 解决方案:该装置包括投影系统,图案形成装置,低通滤波器和数据操作装置。 投影系统将辐射束投射到衬底上作为辐射的子束的阵列。 图案形成装置调制辐射的子光束,以基本上在衬底上产生所要求的剂量图案。 低通滤波器执行从所请求的剂量图案导出的图案数据的计算,从而形成主要仅包括低于选定阈值频率的空间频率分量的限幅目标剂量图案。 数据处理装置基于斑点曝光强度与限幅目标剂量图案的直接代数最小二乘拟合,生成包括由图案形成装置产生的点曝光强度的控制信号。 版权所有(C)2013,JPO&INPIT