PATTERN INSPECTION APPARATUS AND METHOD
    1.
    发明申请
    PATTERN INSPECTION APPARATUS AND METHOD 审中-公开
    图案检查装置及方法

    公开(公告)号:US20130063721A1

    公开(公告)日:2013-03-14

    申请号:US13414945

    申请日:2012-03-08

    IPC分类号: G01J3/42

    摘要: In one embodiment, a pattern inspection apparatus includes a light source configured to generate light, and a condenser configured to shape the light into a line beam to illuminate a wafer with the line beam. The apparatus further includes a spectrometer configured to disperse the line beam reflected from the wafer. The apparatus further includes a two-dimensional detector configured to detect the line beam dispersed by the spectrometer, and output a signal including spectrum information of the line beam. The apparatus further includes a comparison unit configured to compare the spectrum information obtained from corresponding places of a repetitive pattern on the wafer with each other, and a determination unit configured to determine whether the wafer includes a defect, based on a comparison result of the spectrum information.

    摘要翻译: 在一个实施例中,图案检查装置包括被配置为产生光的光源和被配置为将光线成形为线束以用线束照射晶片的聚光器。 该装置还包括配置成分散从晶片反射的线束的光谱仪。 该装置还包括二维检测器,被配置为检测由光谱仪分散的线束,并输出包括线束的光谱信息的信号。 该装置还包括:比较单元,被配置为将从晶片上的重复图案的相应位置获得的频谱信息彼此进行比较;以及确定单元,被配置为基于频谱的比较结果来确定晶片是否包括缺陷 信息。

    PATTERN INSPECTION APPARATUS AND PATTERN INSPECTION METHOD
    2.
    发明申请
    PATTERN INSPECTION APPARATUS AND PATTERN INSPECTION METHOD 审中-公开
    图案检查装置和图案检查方法

    公开(公告)号:US20120242985A1

    公开(公告)日:2012-09-27

    申请号:US13418940

    申请日:2012-03-13

    IPC分类号: G01N21/55

    CPC分类号: G01N21/9501 G01N21/95607

    摘要: In accordance with an embodiment, a pattern inspection apparatus includes a stage supporting a substrate with a pattern, a light source irradiating the substrate with light, a detection unit, an optical system, a focus position change unit, a control unit, and a determination unit. The detection unit detects reflected light from the substrate. The optical system leads the light from the light source to the substrate and leads the reflected light to the detection unit. The focus position change unit changes a focus position of the light to the substrate in a direction vertical to the surface of the substrate. The control unit associates the movement of the stage with the light irradiation and controls the stage drive unit and the focus position change unit, thereby changing the focus position. The determination unit determines presence/absence of a defect of the pattern based on the signal from the determination unit.

    摘要翻译: 根据一个实施例,图案检查装置包括支撑具有图案的基板的台,用光照射基板的光源,检测单元,光学系统,聚焦位置改变单元,控制单元和确定 单元。 检测单元检测来自基板的反射光。 光学系统将来自光源的光引导到基板,并将反射光引导到检测单元。 聚焦位置改变单元将垂直于基底表面的方向的光的聚焦位置改变为基底。 控制单元使舞台的移动与光照射相关联,并且控制舞台驱动单元和对焦位置改变单元,从而改变对焦位置。 确定单元基于来自确定单元的信号来确定模式的缺陷的存在/不存在。

    Electron beam apparatus and an aberration correction optical apparatus
    4.
    发明授权
    Electron beam apparatus and an aberration correction optical apparatus 有权
    电子束装置和像差校正光学装置

    公开(公告)号:US07863580B2

    公开(公告)日:2011-01-04

    申请号:US11760235

    申请日:2007-06-08

    IPC分类号: G21K1/08 H01J3/14 H01J3/26

    摘要: An electron beam apparatus for providing an evaluation of a sample, such as a semiconductor wafer, that includes a micro-pattern with a minimum line width not greater than 0.1 μm with high throughput. A primary electron beam generated by an electron gun is irradiated onto a sample and secondary electrons emanating from the sample are formed into an image on a detector by an image projection optical system. An electron gun 61 has a cathode 1 and a drawing electrode 3, and an electron emission surface 1a of the cathode defines a concave surface. The drawing electrode 3 has a convex surface 3a composed of a partial outer surface of a second sphere facing the electron emission surface 1a of the cathode and an aperture 73 formed through the convex surface for passage of the electrons. An aberration correction optical apparatus comprises two identically sized multi-polar Wien filters arranged such that their centers are in alignment with a ¼ plane position and a ¾ plane position, respectively, along an object plane-image plane segment in the aberration correction optical apparatus, and optical elements having bidirectional focus disposed in an object plane position, an intermediate image-formation plane position and an image plane position, respectively, in the aberration correction optical apparatus.

    摘要翻译: 一种用于提供诸如半导体晶片的样品的评估的电子束装置,其包括具有不大于0.1μm的最小线宽的微图案,具有高生产量。 由电子枪产生的一次电子束照射在样品上,从样品发出的二次电子通过图像投影光学系统形成检测器上的图像。 电子枪61具有阴极1和牵伸电极3,阴极的电子发射表面1a限定凹面。 拉制电极3具有由与阴极的电子发射表面1a相对的第二球体的局部外表面和由电子通过凸面形成的孔73构成的凸面3a。 像差校正光学装置包括两个相同尺寸的多极维纳滤光器,其布置成使得它们的中心分别沿着像差校正光学装置中的物平面图像平面段与¼平面位置和¾平面位置对准, 以及分别设置在像差校正光学装置中的物平面位置,中间图像形成面位置和像面位置的具有双向焦点的光学元件。

    MAGNETIC DISK DEVICE TESTING METHOD AND TESTING DEVICE
    5.
    发明申请
    MAGNETIC DISK DEVICE TESTING METHOD AND TESTING DEVICE 有权
    磁盘设备测试方法和测试设备

    公开(公告)号:US20090231744A1

    公开(公告)日:2009-09-17

    申请号:US12256202

    申请日:2008-10-22

    IPC分类号: G11B27/36

    摘要: A magnetic disk device testing method includes obtaining index values indicating the signal quality of an adjacent track at different positions scattered in the width direction in the adjacent track located in the vicinity of a target track on a magnetic disk after repeatedly writing data onto the target track, and determining a representative value of the index values indicating the signal quality of the adjacent track based on the obtained results, while incrementing the number of data write times; and estimating an index value indicating the signal quality of the adjacent track to be obtained where data is written onto the target track a larger number of times than the total number of data write times the data has been actually written in obtaining the index values, the index value being estimated with the use of the representative values decided in the representative value deciding.

    摘要翻译: 磁盘装置测试方法包括:在将数据重复写入目标轨道之后,获得指示位于磁盘上的目标轨道附近的相邻轨道中在宽度方向上散射的不同位置处的相邻轨道的信号质量的指标值 并且在增加数据写入次数的同时,基于所获得的结果来确定指示相邻轨道的信号质量的索引值的代表值; 并且在获得索引值时,估计指示将数据写入到目标轨道上的要获得的相邻轨道的信号质量的指标值比已经实际写入的数据写入时间的总数更多的次数, 利用代表值决定的代表值估计指标值。

    Substrate inspection apparatus, substrate inspection method and method of manufacturing semiconductor device
    6.
    发明申请
    Substrate inspection apparatus, substrate inspection method and method of manufacturing semiconductor device 有权
    基板检查装置,基板检查方法及制造半导体装置的方法

    公开(公告)号:US20090072139A1

    公开(公告)日:2009-03-19

    申请号:US12289846

    申请日:2008-11-05

    IPC分类号: G01N23/00

    CPC分类号: H01J37/28 H01J2237/2817

    摘要: A substrate inspection apparatus includes: an electron beam irradiation device which emits an electron beam and causes the electron beam to irradiate a substrate to be inspected as a primary beam; an electron beam detector which detects at least one of a secondary electron, a reflected electron and a backscattered electron that are generated from the substrate that has been irradiated by the electron beam, and which outputs a signal that forms a one-dimensional or two-dimensional image of a surface of the substrate; a mapping projection optical system which causes imaging of at least one of the secondary electron, the reflected electron and the backscattered electron on the electron beam detector as a secondary beam; and an electromagnetic wave irradiation device which generates an electromagnetic wave and causes the electromagnetic wave to irradiate a location on the surface of the substrate at which the secondary beam is generated.

    摘要翻译: 基板检查装置包括:电子束照射装置,其发射电子束并使电子束照射待检查的基板作为主光束; 电子束检测器,其检测从已经被电子束照射的衬底产生的二次电子,反射电子和反向散射电子中的至少一个,并输出形成一维或二维的信号, 基板的表面的三维图像; 映射投影光学系统,其将二次电子,反射电子和背散射电子中的至少一个成像在电子束检测器上作为次级光束; 以及电磁波照射装置,其产生电磁波,并使电磁波照射到产生二次光束的基板的表面上的位置。

    Structure inspection method, pattern formation method, process condition determination method and resist pattern evaluation apparatus
    7.
    发明授权
    Structure inspection method, pattern formation method, process condition determination method and resist pattern evaluation apparatus 失效
    结构检查方法,图案形成方法,工艺条件测定方法和抗蚀剂图案评估装置

    公开(公告)号:US07483155B2

    公开(公告)日:2009-01-27

    申请号:US11051617

    申请日:2005-01-27

    IPC分类号: G01B11/14 G06F17/50 G03C1/00

    CPC分类号: G03F7/70625 G01N21/956

    摘要: Wavelength dispersion of intensity of light reflected from an evaluation object is measured. A complex refractive index of a substance forming the evaluation object and the environment are prepared. Virtual component ratios comprising a mixture ratio of the substances forming the evaluation object and the environment are prepared. Reflectance wavelength dispersions to the virtual component ratios are calculated. Similar reflectance wavelength dispersions having a small difference with the measured wavelength dispersion are extracted from the reflectance wavelength dispersions. Weighted average to the virtual component ratios used for calculating the similar reflectance wavelength dispersions are calculated to obtain a component ratio of the substance forming the evaluation object and the environment so that weighting is larger when the difference is smaller. A structure of the evaluation object is determined from the calculated component ratio.

    摘要翻译: 测量从评价对象反射的光的强度的波长色散。 制备形成评价对象的物质和环境的复合折射率。 制备包含形成评价对象的物质与环境的混合比的虚拟成分比例。 计算出虚拟分量比的反射波长色散。 从反射波长分散体中提取与测量的波长色散具有小差异的类似反射率波长色散。 计算用于计算相似反射率波长色散的虚拟分量比的加权平均值,以获得形成评估对象的物质与环境的分量比,使得当差值较小时加权较大。 评估对象的结构根据计算的分量比确定。

    Magnetic recording device
    9.
    发明授权
    Magnetic recording device 有权
    磁记录装置

    公开(公告)号:US07417814B2

    公开(公告)日:2008-08-26

    申请号:US11197493

    申请日:2005-08-05

    申请人: Yuichiro Yamazaki

    发明人: Yuichiro Yamazaki

    IPC分类号: G11B27/36 G11B5/09 G11C29/00

    摘要: A magnetic recording device comprising a magnetic recording medium, a read-write channel for modulating write data, writing it on the magnetic recording medium, reading data from the magnetic recording medium, and demodulating the read data, and a processor for supplying the write data to the read-write channel and being supplied with the read data from the read-write channel. The processor supplies to the read-write channel a microdefect detection pattern having a first pattern for generating a consecutive magnetization inversion during writing and a second pattern for generating, during reading, a signal having a S/N ratio higher than the signal produced by the first pattern, the read-write channel modulates the microdefect detection pattern, writes it to the magnetic recording medium, reads the microdefect detection pattern, which was written, from the magnetic recording medium, and conducts abnormality detection of the microdefect detection pattern, which was read out.

    摘要翻译: 一种磁记录装置,包括磁记录介质,用于调制写数据的读写通道,将其写在磁记录介质上,从磁记录介质读取数据,以及解调读数据;以及处理器,用于提供写数据 到读写通道并从读写通道提供读数据。 处理器向读写通道提供具有用于在写入期间产生连续磁化反转的第一模式的微缺陷检测模式,以及用于在读取期间产生S / N比高于由该信号产生的信号的信号的第二模式 第一模式,读写通道调制微缺陷检测图案,将其写入磁记录介质,读取从磁记录介质写入的微缺陷检测图案,并进行微缺陷检测图案的异常检测,该检测图案是 读出。