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Overview
SWIR image sensors are sensors that take in light from the short-wavelength infrared (SWIR) band. SWIR-band light can penetrate the silicon wafers of semiconductors to check positioning marks or internal defects; it can also penetrate opaque resin material to capture the content of a package. Because different substances have different light absorption characteristics, these sensors can be used for materials with a similar external appearance to perform material screening, identify contaminants, and detect otherwise imperceptible flaws and dents on produce. The use of SWIR imaging, which is not affected by fine airborne particles, means these sensors can also reduce the impact of mist, smoke, dust, and other substances to offer clear imaging of subjects that would not be perceptible to the human eye.
Sony’s SWIR image sensors use original SenSWIR™ technology to achieve both high resolution and compact sensor size. They are also compatible with imaging not only of SWIR-band light but also the visible light spectrum. In addition to digital output compatibility, they have functions like global shutter and trigger mode, making them suitable for industrial cameras.
Product Lineup
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IMX990/IMX991 SWIR image sensors
For wide use, 5.0µm, SXGA/VGA
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IMX992/IMX993 SWIR image sensors
Even higher resolution, 3.45µm, 5M/3M
Model name | Effective pixels | Image size | Pixel Size | Image Format | Max Frame Rate | Output Interface | |
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IMX990 | Approx. 1.34 megapixels | Type 1/2 (8.2 mm diagonal) |
5.0 μm | SXGA | 134 fps | SLVS | |
IMX991 | Approx. 0.34 megapixels | Type 1/4 (4.1 mm diagonal) |
5.0 μm | VGA | 258 fps | SLVS | |
IMX992 | Approx. 5.32 megapixels | Type 1/1.4 (11.4 mm diagonal) |
3.45 μm | QSXGA | 130 fps*1 | SLVS/MIPI | |
IMX993 | Approx. 3.21 megapixels | Type 1/1.8 (8.9 mm diagonal) |
3.45 μm | QXGA | 170 fps*1 | SLVS/MIPI |
*1 This is a tentative value as the product is still under development.
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IMX990/IMX991/IMX992/IMX993 Product Overview
This document summarizes the product overview, features, and specifications.
Image Sensors with SenSWIR Technology
Introducing the details of the technology used in this SWIR image sensors
The SWIR Camera Photography Process and How Multispectral Images are Created
(The Food Inspection Edition)
This document explains some key points and photography tips along with an example use case for SWIR camera evaluation.
Technology
Find out more about the technology used in SWIR image sensors.
Applications
Applications for SWIR image sensors are expanding into a variety of SWIR fields.
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Sorting fruits and vegetables
They can detect flaws and dents on produce.
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Container content inspections
They can penetrate opaque packages to check the content.
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Contaminant detection
They make it easy to detect contaminants in foods and to distinguish between the shells and kernels of nuts.
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Sorting materials
They can distinguish between colorless and transparent plastics by material.
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Positioning in semiconductor manufacturing
They can penetrate silicon wafers for positioning applications.
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Temperature monitoring
They are capable of monitoring even at high temperatures exceeding 250°C (482°F).
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Firefighting
They can reduce the impact of smoke during a fire, making them useful for emergency assessment and identifying the source of a flame.
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Remote monitoring
They can reduce the impact of airborne microscopic particles to offer vivid imaging even of remote subjects.
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Observation of agricultural lands
They can visualize crop water levels so they can be used to assess growth progress.
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