Lithography system and projection method
    12.
    再颁专利
    Lithography system and projection method 有权
    光刻系统和投影方法

    公开(公告)号:USRE45552E1

    公开(公告)日:2015-06-09

    申请号:US13689665

    申请日:2012-11-29

    Abstract: The present invention relates a probe forming lithography system for generating a pattern on to a target surface such as a wafer, using a black and white writing strategy, i.e. writing or not writing a grid cell, thereby dividing said pattern over a grid comprising grid cells, said pattern comprising features of a size larger than that of a grid cell, in each of which cells said probe is switched “on” or “off, wherein a probe on said target covers a significantly larger surface area than a grid cell, and wherein within a feature a position dependent distribution of black and white writings is effected within the range of the probe size as well as to a method upon which such system may be based.

    Abstract translation: 本发明涉及一种探针形成光刻系统,用于使用黑白写入策略(即写入或不写入网格单元)在诸如晶片的目标表面上产生图案,从而将所述图案划分在包括网格单元的格子上 所述图案包括尺寸大于网格单元的尺寸的特征,在每个单元中,所述探针被切换为“开”或“关”,其中所述目标上的探针覆盖比网格单元大得多的表面积,以及 其中在特征内,在探针大小的范围以及这种系统可以基于的方法上实现黑白写入的位置相关分布。

    Charged particle lithography system

    公开(公告)号:US10297420B2

    公开(公告)日:2019-05-21

    申请号:US14287234

    申请日:2014-05-27

    Abstract: A charged particle lithography system for exposing a wafer according to pattern data. The system comprises an electron optical column for generating a plurality of electron beamlets for exposing the wafer, the electron optical column including a beamlet blanker array for switching the beamlets on or off, a data path for transmitting beamlet control data for control of the switching of the beamlets, and a wafer positioning system for moving the wafer under the electron optical column in a scan direction. The wafer positioning system is provided with synchronization signals from the data path to align the wafer with the electron beams from the electron-optical column. The data path further comprises one or more processing units for generating the beamlet control data and one or more transmission channels for transmitting the beamlet control data to the beamlet blanker array.

    Multi-electrode stack arrangement
    16.
    发明授权
    Multi-electrode stack arrangement 有权
    多电极堆叠布置

    公开(公告)号:US09355751B2

    公开(公告)日:2016-05-31

    申请号:US14541238

    申请日:2014-11-14

    Abstract: The invention relates to an electrode stack (70) comprising stacked electrodes (71-80) for manipulating a charged particle beam along an optical axis (A). Each electrode comprises an electrode body with an aperture for the charged particle beam. The electrode bodies are mutually spaced and the electrode apertures are coaxially aligned along the optical axis. The electrode stack comprises electrically insulating spacing structures (89) between each pair of adjacent electrodes for positioning the electrodes (71-80) at predetermined mutual distances along the axial direction (Z). A first electrode and a second electrode each comprise an electrode body with one or more support portions (86), wherein each support portion is configured to accommodate at least one spacing structure (89). The electrode stack has at least one clamping member (91-91c) configured to hold the support portions (86) of the first and second electrodes, as well as the intermediate spacing structure (89) together.

    Abstract translation: 本发明涉及一种电极堆叠(70),其包括用于沿光轴(A)操纵带电粒子束的堆叠电极(71-80)。 每个电极包括具有用于带电粒子束的孔的电极体。 电极体相互间隔开,并且电极孔沿光轴同轴对准。 电极堆叠包括在每对相邻电极之间的电绝缘间隔结构(89),用于将电极(71-80)沿着轴向方向(Z)定位在预定的相互距离处。 第一电极和第二电极各自包括具有一个或多个支撑部分(86)的电极主体,其中每个支撑部分构造成容纳至少一个间隔结构(89)。 电极堆叠具有至少一个构造成将第一和第二电极的支撑部分(86)以及中间间隔结构(89)保持在一起的夹紧构件(91-91c)。

    PROXIMITY EFFECT CORRECTION IN A CHARGED PARTICLE LITHOGRAPHY SYSTEM
    17.
    发明申请
    PROXIMITY EFFECT CORRECTION IN A CHARGED PARTICLE LITHOGRAPHY SYSTEM 有权
    充电粒子系统中的近似效应校正

    公开(公告)号:US20150243481A1

    公开(公告)日:2015-08-27

    申请号:US14626891

    申请日:2015-02-19

    Abstract: The invention relates to a method for performing charged particle beam proximity effect correction, comprising the steps of: receiving a digital layout pattern to be patterned onto a target using one or more charged particle beams; selecting a base proximity function comprising a sum of an alpha and a beta proximity function, wherein said alpha proximity function models a short range proximity effect and said beta proximity function models a long range proximity effect, wherein a constant η is defined as a ratio between the beta proximity function and the alpha proximity function in said sum, with 0

    Abstract translation: 本发明涉及一种用于执行带电粒子束邻近效应校正的方法,包括以下步骤:使用一个或多个带电粒子束将待图案化的数字布局图案接收到目标上; 选择包括α和β接近度函数之和的基本接近函数,其中所述α接近函数模拟短距离邻近效应,并且所述β接近函数模拟远距离邻近效应,其中恒定和近似函数 被定义为所述总和中β接近函数和α接近函数之间的比率,其中0 <&eegr; <1; 确定对应于所述基本邻近效应函数的修改的接近度函数,其中所述α邻近函数已被Dirac delta函数代替,并且使用电子处理器执行所述数字布局图案与所述修改的接近函数的去卷积,以产生经校正的 布局模式。

    Lithography system, sensor and measuring method
    18.
    再颁专利
    Lithography system, sensor and measuring method 有权
    光刻系统,传感器和测量方法

    公开(公告)号:USRE45206E1

    公开(公告)日:2014-10-28

    申请号:US13738947

    申请日:2013-01-10

    Abstract: Lithography system, sensor and method for measuring properties of a massive amount of charged particle beams of a charged particle beam system, in particular a direct write lithography system, in which the charged particle beams are converted into light beams by using a converter element, using an array of light sensitive detectors such as diodes, CCD or CMOS devices, located in line with said converter element, for detecting said light beams, electronically reading out resulting signals from said detectors after exposure thereof by said light beams, utilizing said signals for determining values for one or more beam properties, thereby using an automated electronic calculator, and electronically adapting the charged particle system so as to correct for out of specification range values for all or a number of said charged particle beams, each for one or more properties, based on said calculated property values.

    Abstract translation: 用于测量带电粒子束系统的大量带电粒子束的特性的光刻系统,传感器和方法,特别是直接写入光刻系统,其中通过使用转换器元件将带电粒子束转换成光束,使用 与所述转换器元件成一直线的一系列光敏检测器,例如二极管,CCD或CMOS器件,用于检测所述光束,用所述光束曝光之后,从所述检测器电子地读出所得到的信号,利用所述信号确定 一个或多个光束特性的值,从而使用自动电子计算器,以及电子地调整带电粒子系统,以便校正超出所有或多个所述带电粒子束的规格范围值,每一个用于一个或多个属性, 基于所述计算的属性值。

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