Manufacturing AUTOMATION

Products Machine Vision & Inspection
Progressive-scan colour cameras


November 17, 2009
By Manufacturing AUTOMATION

Topics

JAI has announced the AT-140CL and the AT-200CL, the latest generation in its industry-leading 3CCD color camera series. The new 3-by-1.4-megapixel and 3-by-2-megapixel cameras draw upon JAI’s expertise in prism-block technology to provide a larger sensor format and higher resolution than previously available 3CCD RGB models.

The AT-140CL features three 1/2-inch progressive scan CCDs (Sony ICX267AL), each with a resolution of 1392 x 1040 pixels and an individual pixel size of 4.65 by 4.65 microns. The AT-200CL uses three 1/1.8-inch progressive scan CCDs (Sony ICX274AL) to provide a resolution of 1628 x 1236 pixels with an individual pixel size of 4.4 microns square.

The CCDs are affixed to a newly-developed prism block that splits the incoming light into red, green, and blue color channels. JAI’s patented alignment process ensures the three sensors are aligned to within 1/4-pixel accuracy, providing pixel-precise color values suitable for machine vision analysis, measurement, and processing. This is in contrast to 3CCD cameras that utilize "pixel offset" methods to increase perceived on-screen resolution, while sacrificing the precision of the digital output.

With their high resolution and high color fidelity, the AT-140CL and AT-200CL are expected to expand on the popularity of previous JAI 3CCD models, which have been widely used in semiconductor production, food sorting, print inspection, flat panel quality verification, and in medical devices for patient diagnostics. Multiple trigger modes and programmable or pre-set shutter speeds faster than 40 microseconds, make the AT-140CL and AT-200CL suitable for a wide variety of machine vision applications.
www.jai.com

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