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Inspection method of exterior examiner

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专利汇可以提供Inspection method of exterior examiner专利检索,专利查询,专利分析的服务。并且PURPOSE: To shorten the inspection time by performing the transportation of check- points by rotation to decrease transportation time.
CONSTITUTION: A rotation motor 2 is operated, a gear 33 is rotated, and, at the same time, gears 31, 32 are rotated to rotate a wafer chuck 1. In order to perform a quarter of a rotation, a motor 2 is operated to run a clutch 5; then an input shaft 52 and an output shaft 51 are connected, a quarter rotation detection cam is rotated, and a wafer chuck makes a quarter turn by the detection of a detector 6 to place a check point 3 under an object lens of a microscope 11. In like manner, check points 4, 5 are examined. Since the transportation of check points 2→3, 3→4, 4→5 is thus done by rotation, less time is necessary for transportation to shorten the inspection time.
COPYRIGHT: (C)1980,JPO&Japio,下面是Inspection method of exterior examiner专利的具体信息内容。

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