Leave the investigation and evaluation of foreign substances to us. We visualize fine particles and suspended foreign matter.
The causes of defects are 'visible.' Identify the source and flow of foreign substances and lead to improvements on the spot.
"Unexplained foreign substances do not disappear" and "Even with countermeasures, they recur" — we solve such on-site issues all at once with our fine particle visualization system. This service uses laser light and a high-sensitivity camera to "visualize" the movements of invisible fine particles and airflow in real-time, providing a field investigation solution to identify the root cause of defects. It visualizes "where it occurs, how it moves, and where it adheres," which could not be grasped with conventional measurements. Factors that are intricately intertwined, such as work actions, equipment structure, and transport processes, can be intuitively understood through the visuals. This enables a reliable investigation of causes without relying on intuition or guesswork. Furthermore, based on extensive on-site experience, we also provide specific improvement proposals based on the visualization results. We support comparative evaluations before and after improvements, making it a significant feature that "the effects of countermeasures are visible." It has been widely adopted in fields such as semiconductors, films, pharmaceuticals, and food, where strict quality control is required, contributing to the reduction of defects and prevention of recurrence in a short period. ■ Many example videos are available on our company website. Please take a look. ⇒ https://www.snk.co.jp/viest/movie.html
basic information
This system is a field investigation solution that combines a laser sheet light source with a high-sensitivity camera to visualize the behavior of fine particles and airflow with high precision. It targets particles ranging from the nano level to several hundred micrometers and can capture weak scattered light even in dark environments. Imaging is conducted in real-time, allowing for recording and playback as video, and it also supports the analysis of particle flow and diffusion conditions. Due to its portable configuration, it can be brought into various environments, such as clean rooms and inside equipment, enabling rapid on-site evaluations. Additionally, it is effective for identifying dust sources, visualizing airflow disturbances, and conducting comparative assessments (before and after improvements), thus validating the effectiveness of countermeasures. We provide a comprehensive service from investigation and analysis to reporting by specialized technicians, supporting problem-solving. *If you have any questions, please feel free to contact us at any time. Our specialized technicians will assist you.
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Model number/Brand name
ViEST
Applications/Examples of results
This service is widely utilized for the purpose of identifying the causes of foreign matter contamination and quality defects in manufacturing environments. The main applications and achievements are as follows: - Identification of airflow disturbances and dust sources within equipment in semiconductor and electronic component manufacturing. - Visualization of particle diffusion associated with operator movements in clean rooms. - Confirmation of particle generation due to static charge in film and packaging processes. - Evaluation of contamination risks in pharmaceutical and food factories. - Verification of the effectiveness of purification equipment such as air showers and FFUs. - Comparative evaluation of improvement effects before and after equipment installation. - Identification of causes for increased defect rates due to foreign matter contamination and consideration of solutions. - Evaluation of airborne foreign matter in painting and coating processes. - Assessment of dust and mist within factories. - Airflow simulation during validation. - Creation of educational materials for clean room operators. - Evaluation of air purification devices. - Assessment of splash prevention products. - Evaluation of cleaning equipment such as vacuum cleaners. - Photography cooperation for various media (television, product catalogs). Through these achievements, we provide consistent support from identifying dust sources to planning countermeasures and verifying improvement effects, contributing to quality enhancement on-site and preventing the recurrence of issues.
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ViEST is a brand that offers unique visualization technologies, including an unparalleled ultra-high-sensitivity "fine particle visualization system," through products and services. In terms of addressing foreign substances and airflow in manufacturing environments, we provide fine particle visualization systems and contract evaluation services by specialized visualization technical staff, boasting over 3,000 successful implementations across various industries. We can strongly promote improvements in production efficiency, yield, quality control, and solutions to clean-up challenges. If you have specific targets that require measures, please feel free to consult with us. Please also take a look at our website, which provides a detailed introduction to ViEST. ⇒https://www.snk.co.jp/viest