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    • 2. 发明申请
    • DUAL TONE DEVELOPMENT PROCESSES
    • 双音发展过程
    • WO2010033720A1
    • 2010-03-25
    • PCT/US2009/057342
    • 2009-09-17
    • TOKYO ELECTRON LIMITEDFONSECA, Carlos, A.SOMERVELL, MarkSCHEER, Steven
    • FONSECA, Carlos, A.SOMERVELL, MarkSCHEER, Steven
    • G03F7/00
    • G03F7/095G03F7/322G03F7/325
    • A method and system for patterning a substrate using a dual-tone development process is described. The method and system comprise using a resist material having a polymer backbone with a plurality of protecting groups attached thereto to improve process latitude and critical dimension uniformity for the dual-tone development process. The method can advantageously comprise monitoring various metrics of the subject resists in comparison with simulated limits, enabling corrective changes in process parameters that reduce unwanted variations in product metrics. The system can advantageously comprise an interface layer under or a protecting layer over the resist layer, wherein the interface or protecting layer can be activated to modify the threshold reactivity profile of the resist layer.
    • 描述了使用双色调显影处理图案化衬底的方法和系统。 该方法和系统包括使用具有聚合物主链的抗蚀剂材料,其具有连接到其上的多个保护基,以改善双音发展过程的工艺范围和临界尺寸的一致性。 该方法可以有利地包括与模拟限制相比监测受试者抗蚀剂的各种度量,使得能够减少过程参数的校正改变,从而减少产品度量的不期望的变化。 该系统可以有利地包括在抗蚀剂层上的保护层下面的界面层,其中该界面或保护层可被激活以修饰抗蚀剂层的阈值反应性分布。
    • 3. 发明申请
    • OPTIMIZED CHARACTERIZATION OF WAFER STRUCTURES FOR OPTICAL METROLOGY
    • 光学计量学波形结构的优化特征
    • WO2007124155A2
    • 2007-11-01
    • PCT/US2007/009832
    • 2007-04-23
    • TOKYO ELECTRON LIMITEDSCHEER, StevenNOLET, AlanMADRIAGA, Manuel
    • SCHEER, StevenNOLET, AlanMADRIAGA, Manuel
    • G06F19/00
    • G01N21/4788G03F7/70625
    • A patterned structure in a wafer is created using one or more fabrication treatment processes. The patterned structure has a treated and an untreated portion. One or more diffraction sensitivity enhancement techniques are applied to the structure, the one or more diffraction sensitivity enhancement techniques adjusting one or more properties of the patterned structure to enhance diffraction contrast between the treated portion and untreated portions. A first diffraction signal is measured off an unpatterned structure on the wafer using an optical metrology device. A second diffraction signal is measured off the patterned structure on the wafer using the optical metrology device. One or more diffraction sensitivity enhancement techniques are selected based on comparisons of the first and second diffraction signals.
    • 使用一个或多个制造处理工艺制造晶片中的图案化结构。 图案化结构具有经处理和未处理的部分。 将一种或多种衍射灵敏度增强技术应用于该结构,一种或多种衍射灵敏度增强技术调整图案化结构的一个或多个性质以增强经处理部分和未处理部分之间的衍射对比度。 使用光学测量装置从晶片上的未图案化结构测量第一衍射信号。 使用光学测量装置从晶片上的图案化结构测量第二衍射信号。 基于第一和第二衍射信号的比较来选择一种或多种衍射灵敏度增强技术。
    • 7. 发明申请
    • OPTIMIZED CHARACTERIZATION OF WAFER STRUCTURES FOR OPTICAL METROLOGY
    • 光学计量学波形结构的优化特征
    • WO2007124155A3
    • 2008-11-13
    • PCT/US2007009832
    • 2007-04-23
    • TOKYO ELECTRON LTDSCHEER STEVENNOLET ALANMADRIAGA MANUEL
    • SCHEER STEVENNOLET ALANMADRIAGA MANUEL
    • G06F19/00
    • G01N21/4788G03F7/70625
    • A patterned structure in a wafer is created using one or more fabrication treatment processes. The patterned structure has a treated and an untreated portion. One or more diffraction sensitivity enhancement techniques are applied to the structure, the one or more diffraction sensitivity enhancement techniques adjusting one or more properties of the patterned structure to enhance diffraction contrast between the treated portion and untreated portions. A first diffraction signal is measured off an unpatterned structure on the wafer using an optical metrology device. A second diffraction signal is measured off the patterned structure on the wafer using the optical metrology device. One or more diffraction sensitivity enhancement techniques are selected based on comparisons of the first and second diffraction signals.
    • 使用一个或多个制造处理工艺制造晶片中的图案化结构。 图案化结构具有经处理和未处理的部分。 将一种或多种衍射灵敏度增强技术应用于该结构,一种或多种衍射灵敏度增强技术调整图案化结构的一个或多个性质以增强经处理部分和未处理部分之间的衍射对比度。 使用光学测量装置从晶片上的未图案化结构测量第一衍射信号。 使用光学测量装置从晶片上的图案化结构测量第二衍射信号。 基于第一和第二衍射信号的比较来选择一种或多种衍射灵敏度增强技术。