Sony's IMX487 UV image sensor is a cutting-edge solution designed to meet the growing demand for high-performance camera-based inspections in various industrial sectors. This sensor captures the ultraviolet (UV) spectrum, providing unique visual information that cannot be achieved with standard visible light cameras. The IMX487 is particularly valuable in machine vision applications where distinguishing materials and detecting defects are critical. This article delves into the technical specifications, features, and diverse applications of the IMX487 sensor, illustrating its significance in modern industrial inspection processes.
UV light occupies a wavelength range of 10 to 400 nanometers (nm), which is shorter than the visible light spectrum (400 to 780 nm). Within the UV spectrum, our 8.1MP UV Camera with IMX487 sensor operates effectively in the 200-400 nm range, making it ideal for various industrial inspections. UV imaging enables the identification of materials and detection of defects that are invisible under standard lighting conditions. This capability is crucial in industries where precise material identification and quality control are paramount.
The unique properties of UV light and the advanced features of the IMX487 sensor make it suitable for a wide range of industrial and scientific applications. Here are some key applications where UV imaging with the IMX487 sensor excels:
UV light's high scattering property allows for the easy detection of microscopic scratches and defects on various materials. For example, scratches on metal plates, which are difficult to see with the naked eye, become visible under UV light. This capability is particularly valuable in quality control processes where identifying minute defects is essential.
In the manufacturing industry, detecting fine scratches on metal plates is crucial for ensuring product quality. Traditional inspection methods may miss these tiny defects, leading to quality issues down the line. The IMX487 sensor, with its high scattering property, can efficiently identify these scratches, improving the overall quality control process.
Due to the shorter wavelengths of UV light, the IMX487 sensor achieves higher optical resolution compared to visible light imaging. This feature allows for the observation of very small objects and defects, which is particularly useful in semiconductor inspection and quality control of battery films.
In semiconductor manufacturing, inspecting intricate patterns and detecting minute defects is critical. The IMX487 sensor's high optical resolution enables precise observation of these patterns, ensuring that even the smallest defects are identified and addressed promptly. This capability is essential for maintaining the integrity and performance of semiconductor devices.
Different materials exhibit varying levels of UV transmittance. For instance, polyethylene terephthalate (PET) and polyvinyl chloride (PVC) transmit over 70% of UV at 365 nm, while polycarbonate (PC) and polymethyl methacrylate (PMMA) transmit almost none. This variance can be utilized to sort and identify different types of transparent materials that appear identical under visible light.
Sorting transparent materials such as plastics can be challenging under visible light, as they often look identical. The IMX487 sensor, with its ability to distinguish materials based on their UV transmittance, can accurately sort different types of plastics. This capability is particularly useful in recycling plants, where efficient material sorting is essential for the recycling process.
Comparison of UV imaging with transparent plates of different materials: 1-PET, 2-PPMA, 3-PC, 4-PVC.
UV imaging can remove background interference when observing transparent materials, allowing for a clearer view of surface conditions. This is beneficial in applications such as inspecting automobile window glass for scratches.
In the automotive industry, inspecting the quality of window glass is critical for safety and aesthetics. Traditional inspection methods may struggle with background interference, making it difficult to identify defects. The IMX487 sensor's UV imaging capability eliminates this interference, providing a clear view of the glass surface and enabling precise defect detection.
UV cameras can detect uneven resin coatings on electronic devices, as resin appears black under UV light, making defects easily visible. This capability is crucial for ensuring the quality and consistency of coatings on electronic components.
Electronic devices often require protective coatings to enhance durability and performance. Ensuring that these coatings are applied evenly is essential for maintaining product quality. The IMX487 sensor can detect any inconsistencies in the coating application, allowing manufacturers to address defects before the devices reach the market.
UV absorption rates vary among different organisms and can be used in agricultural and medical fields. For example, latent skin discolorations can be detected with UV cameras, aiding in cosmetic and medical research.
In agriculture, understanding how different plants absorb UV light can provide valuable insights into their health and growth patterns. The IMX487 sensor can be used to study these absorption rates, helping researchers develop better agricultural practices and improve crop yields.
UV imaging can reveal hidden skin discolorations and other conditions not visible under standard lighting. This capability is valuable in the cosmetic industry for analyzing skin conditions and developing treatments. Additionally, medical professionals can use UV imaging to diagnose and monitor various skin conditions.
UV cameras can identify UV radiation emitted from flames and electrical discharges, useful for monitoring power infrastructure and detecting faults in railway power grids. This application is crucial for maintaining the safety and reliability of critical infrastructure.
Monitoring the condition of power grids and infrastructure is essential for preventing failures and ensuring continuous service. The IMX487 sensor can detect UV emissions from electrical discharges, identifying potential issues before they lead to significant problems. This capability enhances the efficiency of maintenance processes and reduces the risk of outages.
The MER3-810-36G3M-P-UV with IMX487 sensor boasts impressive technical specifications that make it a versatile and powerful tool for UV imaging:
- Effective Pixels: 2856 (H) × 2848 (V), approximately 8.1 megapixels
- Pixel Size: 2.74μm (H) × 2.74μm (V)
- Frame Rate: Up to 36 fps
- Shutter Mode: Global shutter
- Interface: GigE
- Dimensions: 29x29x50.6mm
To fully leverage the capabilities of the IMX487 sensor, it is essential to follow specific steps in the implementation process:
Sony's IMX487 UV image sensor is a groundbreaking tool that brings significant advancements to industrial inspections and various other applications. Its high resolution, speed, and sensitivity, combined with its ability to capture the UV spectrum, open new possibilities for material sorting, defect detection, biological research, and quality control. The detailed specifications and diverse applications discussed in this article highlight the sensor's versatility and potential impact on multiple industries. For more information about the IMX487 sensor and to explore its capabilities further, you can visit the dedicated Sony UV sensor technology webpage here.
By understanding and leveraging the unique properties of UV light and the advanced features of the IMX487 sensor, industries can achieve more precise and efficient inspection processes, ultimately leading to improved product quality and operational efficiency.
You can download MER3-810-36G3M-P-UV datasheet on our Download page.
