Wednesday, December 7, 2022

High Resolution Contact Image Sensors For Machine Vision Applications

By Jay Soni

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Teledyne introduces contact image sensors for high-speed, high-resolution line scan imaging and a lower cost inspection system.

Credit : Teledyne Dalsa

Teledyne has introduced AxCIS, a new family of high-speed and high-resolution fully integrated line scan imaging modules. These Contact Image Sensors (CIS) combine sensors, lenses, and lights all-in-one therefore offering a lower cost inspection system for many demanding machine vision applications.

The sensor is powered by a quad linear CMOS image sensors delivering 120 kHz line rates for mono, 60 kHz x 3 for colour, at 900 dpi resolution, so that defects can be detected with unprecedented precision. Its unique staggered sensor design covers the whole field of view without missing pixels, providing a 100% seamless image without any interpolation. HDR imaging can be achieved using a dual exposure mode, which enables better detectability for highly reflective materials with improved dynamic range.

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The device comes in widths of 400mm, 800mm (plus other widths in increments of 100mm). The AxCIS can fit anywhere in your system, even with limited vertical clearance. It has a Camera Link HS SFP+ fiberoptic interface that delivers high resolution images over standard low-cost, long-length cables (up to 300m) with high reliability of data transmission.

“AxCIS offers a fully integrated, easy-to-use, cost-effective line scan imaging solution to meet the requirements of space limited systems, such as print, printed circuit board and web inspection,” said Xing-Fei He, Senior Product Manager at Teledyne DALSA. “Superior image quality, high resolution 900 dpi imaging combined with HDR mode significantly improves detectability in the most demanding applications, including Li battery inspection.”


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