News Releases・Information

News Releases

The press releases on this website are provided for historical reference purposes only.
Please note that certain information may have changed since the date of release.

September 29, 2021

Sony to Release UV Wavelength-Compatible CMOS Image Sensor Equipped with Global Shutter Function and Industry’s Highest*1 Effective Pixel Count of Approx. 8.13 Megapixels*2
Delivering High-Quality, High-Speed Imaging Performance to Contribute to Improved Industrial Productivity and Provide Solutions

Sony Semiconductor Solutions Corporation

Atsugi, Japan — Sony Semiconductor Solutions Corporation (Sony) today announced the commercialization of the IMX487, a 2/3-type CMOS image sensor for industrial equipment, which is compatible with the UV (ultraviolet light) wavelength and comes with global shutter functionality and the industry’s highest*1 effective pixel count of approximately 8.13 megapixels.*2

This product delivers a high level of UV sensitivity and high-quality imaging with minimal noise thanks to components specialized for the UV wavelength and a unique light receiving unit structure. Additionally, the pixels capture UV light with high efficiency, resulting in high UV sensitivity as well as a compact form factor and high resolution made possible by the industry’s smallest*1 2.74 µm square pixel size. It utilizes Sony’s Pregius S global shutter technology, which employs a unique back-illuminated pixel structure on a stacked CMOS image sensor, ensuring distortion-free imaging and high-speed performance.

Sony expects the new sensor to be useful in a variety of applications, including semiconductor pattern defect inspection in the existing UV camera market, thereby contributing to improving productivity in manufacturing processes and helping to solve industrial issues.

*1: Among UV wavelength-compatible CMOS image sensors. As of announcement on September 29.

*2: Based on image sensor effective pixel specification method.

IMX487 UV wavelength-compatible CMOS image sensor

Model name Sample shipment date
(planned)
IMX487 2/3-type (11.1 mm diagonal) approx. 8.13-effective-megapixel*2 CMOS image sensor September 2021

In general, UV cameras enable sorting of materials that would be difficult in visible light, as well as checking for minute scratches and defects on the surface of objects. They have conventionally been used in semiconductor pattern defect inspection; however, to expand the scope of application in the future, demand has continued to grow for an image sensor that not only provides sensitivity in the UV wavelength, but also delivers high resolution, low noise, and high-speed performance.

This product employs material with a high level of UV transmittance for the optical path components where light enters the product, in addition to a unique light receiving unit structure. This design ensures high UV sensitivity, enabling high-quality imaging with significantly reduced noise. Additionally, the pixels capture UV light with high efficiency, resulting in high UV sensitivity as well as a tiny 2.74 µm square pixel size, which helps achieve the industry’s highest*1 effective pixel count of approximately 8.13 megapixels*2 even on a compact 2/3-type format.
The new product also comes with global shutter functionality, which enables distortion-free imaging of moving subjects, and delivers high-speed performance at 193 frames per second (in 10-bit mode) thanks to the high degree of freedom of the wiring layout made possible by the back-illuminated pixel structure.

In addition to conventional UV image sensor applications such as semiconductor pattern defect inspection, the new product can be used to solve a variety of industrial challenges, including sorting plastics and other materials using UV light at recycling plants, inspecting for the application of transparent resin, inspecting for minute scratches on the surface of components, and detecting UV light emitted due to discharges in deteriorating overhead power lines.

The UV wavelength is shorter than visible light (400–780 nm), generally falling between 10 to 400 nm. The product is compatible with the 200 to 400 nm wavelength, which is the most suitable UV wavelength for industrial inspections.

Wavelength of light (10nm–400nm for ultraviolet light)

Application Examples

・Sorting plastics in recycling

Sorting of acrylic resin (PMMA) and polystyrene (PS) by UV light
(Left: Visible light Right: UV light)

・Inspection for the application condition of transparent protection resin

Transparent protection resin applied on the substrate (solid line) is not visible under visible light, but appears black under UV light.
The uncoated area (dotted line) does not appear black even under UV light.
(Left: Visible light Right: UV light)

Main Features

■Industry’s highest*1 effective pixel count of approx. 8.13 megapixels,*2 together with superb UV sensitivity and reduced noise

In addition to employing material with a high level of UV transmittance for the glass of the image sensor upper section and the pixel on-chip lenses, a unique structure specialized for UV is employed for the structure around the photodiode to deliver high UV sensitivity while ensuring high-quality imaging with reduced noise. Also, the pixels capture UV light with high efficiency, resulting in high UV sensitivity as well as a tiny 2.74 µm square pixel size, which helps achieve the industry’s highest*1 effective pixel count of approximately 8.13 megapixels*2 even on a compact 2/3-type format.
The compact form factor and high image quality not only makes this product suited to production line inspection applications, but also makes it useful for addressing other challenges in applications such as outdoor infrastructure inspections, where portability and high resolution are required.

■Distortion-free high imaging performance and high speed thanks to global shutter function with back-illuminated pixel structure

Sony’s Pregius S global shutter technology employs a unique back-illuminated pixel structure on a stacked CMOS image sensor, making it possible to deliver distortion-free moving subject imaging. Also, the high degree of freedom of the wiring layout afforded by the back-illuminated pixel structure enables high-speed performance at 193 frames per second (in 10-bit mode) for an image sensor compatible with the UV wavelength. This feature makes possible a range of applications where high-speed performance is required, including, for example, sorting plastics at a recycling plant using the UV wavelength.

Visit the following site for further details on UV wavelength-compatible CMOS image sensors.

IMX487 Product site:
https://www.sony-semicon.co.jp/e/products/IS/industry/product/uv.html

UV wavelength-compatible CMOS image sensor technology site:
https://www.sony-semicon.co.jp/e/products/IS/industry/technology/uv.html

Key Specifications
Model name IMX487
Effective pixels 2856 x 2848 (H x V)
Approx. 8.13 megapixels*2
Image size Diagonal 11.1 mm
(2/3 type)
Unit cell size 2.74 x 2.74 μm (H x V)
Frame rate Total pixels 8bit: 194fps
10bit: 193fps
12bit: 127fps
Power supply Analog 3.3 V、2.9 V
Digital 1.1 V
Interface 1.8 V
Shutter mode Global shutter
Output interface SLVS-EC: 8 / 4 / 2 / 1 lanes
SLVS: 8 / 4 ch
Package Ceramic LGA
20.0 x 16.8 mm (H x V)

Pregius S and Pregius S logos are the registered trademarks or trademarks of Sony Group Corporation or other affiliated companies.

back to the list
to PageTop