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    • 6. 发明申请
    • METHOD AND APPARATUS FOR INSPECTING SEMICONDUCTOR USING ABSORBED CURRENT IMAGE
    • 使用吸收电流图像检测半导体的方法和装置
    • US20110291692A1
    • 2011-12-01
    • US13147759
    • 2010-01-20
    • Tohru AndoMasaaki KomoriTakao Matsuura
    • Tohru AndoMasaaki KomoriTakao Matsuura
    • G01R31/26
    • H01J37/244G01R31/307H01J37/20H01J2237/24592H01J2237/2817H01L22/14H01L2924/0002H01L2924/00
    • Provided is an apparatus for automatically detecting a failure position on a specified wiring line. The apparatus and a method for automatically detecting the failure position even on a long wiring line by applying a probe and an electron beam onto a sample and using an image of the current absorbed by the sample are provided. The apparatus obtains an absorbed current image, while laterally moving at right angle with the probe applied onto the sample, and based on the obtained absorbed current image, correction is performed by means of both an image shift and a stage. Countermeasures are taken, using a stage not having a sample rotating stage, against factors including a hardware factor of not moving at a correct angle, such as backlash, the wiring line is accurately and continuously displayed even when the apparatus moves to the ends of the long wiring line, and the failure position is detected, while the apparatus automatically reciprocates several times between the both ends of the wiring line.
    • 提供一种用于自动检测指定布线上的故障位置的装置。 提供了通过将探针和电子束施加到样品上并使用由样品吸收的电流的图像来自动检测在长布线上的故障位置的装置和方法。 该装置获得吸收的当前图像,同时与施加到样本上的探针成直角地横向移动,并且基于所获得的吸收的当前图像,通过图像偏移和阶段两者进行校正。 使用不具有样品旋转台的阶段,针对包括不以正确角度移动的硬件因素(例如齿隙)的因素进行对策,即使当装置移动到 并且检测到故障位置,同时设备在布线两端之间自动往复运动数次。