Image recognition apparatus and method for surface...

Image analysis – Applications – Manufacturing or product inspection

Reexamination Certificate

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C356S602000

Reexamination Certificate

active

07551768

ABSTRACT:
In an image recognition method, the image of a cream solder9printed on a rectangular electrode16having a solder leveler formed is picked up and recognized to identify the cream solder9. An illuminating unit having white light source parts35W arranged in the radial oblique directions of 45° is used to apply white color illumination lights from a light applying direction in which an angle of θ1 formed by the light applying direction and a horizontal plane in a vertical plane is 45° or smaller and from a light applying direction in which an angle of θ3 formed by the light applying direction and the boundary of the electrode16in a horizontal plane is 75° or smaller. Thus, regularly reflected lights from a solder leveler forming surface16awith a glossiness are not received by an upper camera to identify a solder surface9aand the solder leveler forming surface16awith good accuracy.

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Machine-generated English translation, JP 2000-028320 A, http://www4.inpit.go.jp/, Jun. 2008.
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Chinese Office Action with English translation.
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Patent Abstracts of Japan, Mishiro Katsuyoshi, “Device for Inspecting Soldered Object for Appearance”, U.S. Appl. No. 11/031,880; Publiction Date: Feb. 2, 1999, 1 page.

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