The calculative method of the large field projection lithography lens is presented, and on the distortion measuring setup which is accomplished, distortion measurement of 8 inch wafer is completed.

提出了针对大视场投影光刻物镜畸变的计算方法，并在完成的畸变特性测量装置上进行了8英寸的硅片测量。

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When measuring the leakage current with this setup, the voltage bias is applied to all the diodes simultaneously through the normally closed contact of each relay.

当利用这一配置测量漏流时，通过每个继电器的常闭触点同时向所有的二极管施加偏压。

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This paper introduced a method for measuring Planck's constant using a bulb as a radiation source. The experiment setup used is simple and easily realizable.

介绍一种利用普通灯泡做辐射源测定普朗克常量的方法。该方法实验装置简单，易于实现。

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