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    • 2. 发明申请
    • Inspection system and a method for aerial reticle inspection
    • 检查系统和航空掩模检查方法
    • US20060114453A1
    • 2006-06-01
    • US10999227
    • 2004-11-29
    • Alex GoldenshteinEmanuel Elyasaf
    • Alex GoldenshteinEmanuel Elyasaf
    • G01N21/88
    • G03F7/70666G01N21/956
    • A method for inspecting a reticle, that includes the following stages: providing a reticle designed to be exposed by light of a first wavelength during a photolithography process; defining optical characteristics of an inspection system, whereas the optical characteristics include a second wavelength that differs from the first wavelength; and configuring an inspection system in response to the defined optical characteristics. An inspection system that includes: an illumination path adapted to direct light of a second wavelength towards a reticle designed to be exposed by light of a first wavelength during a photolithography process; a collection path adapted to collect light transmitted through the reticle; whereas at least one of the illumination path and collection path is configurable such that the inspection system emulates the photolithographic process while utilizing light of the second wavelength.
    • 一种用于检查掩模版的方法,包括以下阶段:在光刻工艺期间提供设计成被第一波长的光曝光的掩模版; 定义检查系统的光学特性,而光学特性包括不同于第一波长的第二波长; 以及响应于所定义的光学特性配置检查系统。 一种检查系统,包括:照明路径,其适于将第二波长的光引向设计成在光刻工艺期间被第一波长的光曝光的掩模版; 收集路径,其适于收集透过所述标线的光; 而照明路径和收集路径中的至少一个是可配置的,使得检查系统在利用第二波长的光的同时模拟光刻工艺。
    • 7. 发明授权
    • Optical inspection method and apparatus
    • 光学检测方法及装置
    • US5892579A
    • 1999-04-06
    • US843453
    • 1997-04-16
    • Emanuel ElyasafYair Eran
    • Emanuel ElyasafYair Eran
    • G01N21/88G01N21/956G03F1/84H01L21/66
    • G01N21/88
    • This invention discloses an apparatus for optically inspecting an object having upper and lower faces for indicating the condition of the object, including a lighting system periodically reflecting a beam of light from one face of the object to produce a series of short-duration time-spaced reflected beams, and periodically transmitting a beam of light through both faces of the object to produce a series of short-duration time-spaced transmitted beams time-interlaced with the reflected beams, a sensor sensing the short-duration time-spaced reflected beams and transmitted beams, and generating electrical outputs corresponding thereto, and a processor receiving the electrical outputs and processing them to provide an indication of the condition of the object.A method of optically inspecting an object having upper and lower faces for indicating the condition of the object is also described.
    • 本发明公开了一种用于光学检查具有上表面和下表面的物体以指示物体的状态的装置,包括周期性地反射来自物体的一个面的光束的照明系统,以产生一系列短时间间隔 反射光束,并且周期性地发射光束通过物体的两个面,以产生与反射光束时间隔行的一系列短时间间隔的发射光束;传感器感测短时间间隔反射光束, 发射光束,以及产生对应于其的电输出,以及处理器,其接收电输出并对其进行处理以提供对象的状况的指示。 还描述了用于光学检查具有用于指示对象的状况的上表面和下表面的对象的方法。