Lead inspection method using a plane of light for producing reflected lead images

作者: Christopher J. Lebeau , Shay-Ping T. Wang

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摘要: Light (19) is projected at an incidence angle (29) onto a plurality of leads (12, 13). The light simultaneously reflected from each the that (24, 26) lead 13) detected. A cotangent function utilized to detect amount displacement (32) least one leads.

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