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New InGaAs line scan camera for inline SWIR inspection released on November 1
- HAMAMATSU Photonics K.K. System Division Sales Promotion Department
SWIR (short-wavelength infrared) imaging is a great solution for nondestructive inspection. It sees under the surface, differentiates materials based on their SWIR spectral signatures, and offers a safe and convenient way to ensure product quality. Example applications include checking liquid volumes in packages, inspecting contents of sealed containers, and detecting damages and contaminants in agricultural products. In addition, applications in the semiconductor industry include Si wafer pattern inspection and solar cell defect detection.
Integrating SWIR imaging into production lines requires fast line rate, high-sensitivity cameras such as the new C15333-10E InGaAs line scan camera from Hamamatsu.
Released on November 1, the C15333-10E InGaAs line scan camera joins Hamamatsu’s long-established product line of SWIR and NIR (near-infrared) imaging technologies, which include InGaAs area cameras for high-quality inspection. This new camera is ideal for real-time, inline nondestructive inspection using SWIR imaging, and has the following features:
Features
High sensitivity in SWIR
This camera covers wavelengths from 950 nm to 1700 nm, with QE above 60% from wide range.
Large field-of-view (FOV)
This camera’s 1024-pixel linear array captures a large field-of-view, comparing to our InGaAs area cameras C12741-03, which has 640 × 512 pixels.
Fast line rate
40 kHz/line (max.) imaging is possible, making this camera suitable for high-speed inline inspection.
High-quality imaging with the pixel correction function
Hamamatsu's circuit design enables low read noise and high performance. Pixel correction functions correct hot pixels, sensor variation, and intensity variation.
Employs Gigabit Ethernet interfaces
This camera employs Gigabit Ethernet interfaces, which are widely used in industrial fields, and it supports GigE Vision.
Compact and lightweight
Its compact and lightweight design makes the camera easy to integrate into inspection systems.
Size: 49 mm (W) × 49 mm (H) × 100 mm (D) (not including protrusions).
Weight: Approx. 250 g.
Lower price than area cameras
This line scan camera is about 1/3 the price of our InGaAs area cameras.
Imaging examples
Detection of stones mixed in coffee beans
Stones that are difficult to detect in visible images because of their similar size and hue to coffee beans can be easily detected in SWIR images.
Liquid level inspection of sealed containers
The liquid level in sealed juice or yogurt containers can be seen with SWIR imaging.
Detection of contaminants (stones and plastic) mixed in rice
Contaminants that are difficult to detect in visible images because of their similar size and hue to rice grains can be easily detected in SWIR images.
Inspection of apples for damages
It is possible to detect damages on apples that are difficult to distinguish visually.
Container inspection
The contents of sealed plastic containers, such as instant food, can be checked.
Semiconductor wafer pattern inspection
The internal pattern of Si wafers can be observed.
- Confirmation
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