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Sony offers two types of large CMOS image sensors for industrial applications: global shutter and rolling shutter. This video explains the differences and advantages of each.

In general, a larger number of pixels means larger chips and therefore a larger camera. Conversely, reducing pixel size to realize a smaller camera would compromise image quality as the restrained light collection area per pixel lowers sensitivity and signal saturation levels.

Sony IMX183datasheet

The back-illuminated pixel structure adopted in Pregius S global shutter technology has made both higher definition and smaller size a reality, on top of its non-distortion imaging functionality.This new structure has a superior light collection efficiency compared to the conventional front-illuminated structure and, while maintaining the levels of sensitivity and saturation capacity, achieved a reduction of the pixel size down to 2.74 µm square, about 63% of the conventional models.*1　 In addition, rearranging the circuit area from the edges to the back of the sensor area has helped to achieve a 1.7-fold increase in resolution for the same optical size and reduce the package size to about 91% of the existing products.*1

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To enhance efficiency in factories, logistics facilities, and many other environments by introducing industrial cameras into human processes, it is necessary to select cameras with image sensors appropriate to the intended use. Variables include image sensor pixel size and image quality.

These products also expand the scope of their applications from factory automation to other industrial imaging and sensing contexts, such as traffic monitoring and infrastructure inspection.

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As a result, it can achieve a high-definition small-sized machine vision camera compatible with up to approx. 24.45 M effective pixels in a C-mount 1.2-type sensor, allowing more flexibility in its applications to systems and production lines.

The high flexibility in the wiring layout offered by the back-illuminated pixel structure of Pregius S, combined with adoption of the proprietarily developed SLVS-EC interface with an embedded clock, enables high-resolution image data to be read at high speed and output efficiency. This potentially improves the takt time and throughput of the manufacturing systems or equipment.

These image sensors are used not only in manufacturing but also in an extensive range of other industries and applications, including logistics, aerial photography, and infrastructure inspection. Sony makes it possible with a rich lineup of products to dramatically advance processes in diverse sectors.

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C-mount lens compatible image sensors are a standard option for industrial machines, but larger unit multi-pixel sensor will enable high-definition imaging of wider areas.For example, a comparison between the images taken with 1.1” 12.37 M pixels sensor and one with 127.68 M pixels sensor clearly shows the difference. This will enable to lower capture frequency, which contributes to improved efficiency. It also enhances recognition accuracy by the high resolution imaging.

Industrial image sensors are the eyes that monitor a variety of manufacturing processes. This article gives some hints on how to choose the right sensor.

CMOS image sensors with Pregius and Pregius S technology are ideal for imaging inspections in machine vision and the smart industry that require the processing of a large volume of image data at high speed, as they make it possible to capture high-quality, undistorted images at high speeds.

Sony IMX183Sensor size

This introduces a behind-the-scenes story of Pregius S technology development, the possibility of its evolution, and the future.

As technologies such as USB 3.0 and 5 GigE become more prevalent, our standard 5 Gbps-compatible product range is enhanced by an extensive lineup of high-speed products for high-end cameras that use a high-speed band, improving the productivity significantly through reducing the time necessary for inspection, image recognition, identification, measurement, and other types of measurement and inspection.

Pregius and Pregius S are Sony’s technological trademarks for a group of CMOS sensor global shutters and their peripheral technologies.

To tackle these dilemmas, Sony has been leveraging its superior technical expertise and developing a lineup of global shutter image sensors through the optimized balance of pixel size and imaging performance to cater to various uses. The table below summarizes the product features of each different series.

*1) Exceptionally, 9.0μm models are available (IMX425/426/432/433)*2) Exceptionally, 6.9μm models are available (IMX287/297)*3) Ultra High Speed

Our proprietary column A/D conversion circuit realizes both faster signal processing and lower noise. Enhancing the high-precision image inspection, it helps to improve on-site productivity in manufacturing