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AOI camera module from Viscom flaunts 3D tech

Posted: 01 Oct 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Viscom? AOI camera module? XM module? 3D inspection?

Viscom is set to unveil its AOI high-performance camera module that the company said boasts innovative 3D functions. The XM module boasts an image acquisition rate up to 1.8GP/s, and because of additional high resolution, it is able to incorporate all information with maximum speed into a highly precise 3D inspection, stated the company.

Increased miniaturisation of pads and the resulting greater need for vertical and horizontal resolution were crucial for expansion of 3D technology into end-of-line inspection. The use of angled views allowed for observation from various viewing directions in order to reliably detect critical errors in the fine-pitch range.

To meet the latest as well as future requirements in electronics manufacturing, not only must the inspection object as a whole be reliably detected, but each individual point of the object as well. This problem is solved in the XM module with the help of a structured light projector and a multi-step laser triangulation procedure. Here, Viscom relies on the unique, optimal principle of a structured light projector, whose projection is picked up by four or eight side-looking cameras, detailed the firm.

In conjunction with the XM module, this configuration produces an optimal combination of all individual measurement principles in the AOI area, creating a comprehensive optical inspection system. The flexible camera projector configuration, which uses the existing angular AOI cameras, allows for uncomplicated 3D retrofit by only installing the structured light projector since the cameras are already present in the AOI system.

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