idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
idw - Informationsdienst
Wissenschaft
The millimeter wave scanner SAMMI® takes center stage at the presentation of the Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR at the international trade fair for quality assurance CONTROL in Stuttgart from May 7 to 10, 2019. At the booth the institute shares with the Fraunhofer Vision Alliance, Fraunhofer FHR’s scientists will showcase the possibilities of millimeter wave technology for the detection of foreign objects and imperfections in products for quality assurance.
With SAMMI®, Fraunhofer FHR offers a complementary application for the quality control of food, piece goods, and bulk goods. The use of high frequency techniques makes it possible to scan a wide range of different materials that are not transparent in the optical range. At the same time, these techniques show even the smallest of differences that go unnoticed in the X-ray range.
The established quality assurance systems generally provide good results. Yet, it is a regular occurrence that contaminations make their way into finished products where they can lead to financial losses or damage to health. Systems based on millimeter wave technology allow for the scanning of products on a sample basis or through the integration into production lines to inspect these products without ionizing radiation. The technology can be applied in a variety of areas: from the monitoring of the cold chain, the recognition of the ripeness of fruit, the detection of faulty packaging to the detection of foreign objects and all the way to the localization of missing components. In doing so, SAMMI® offers non-contact, non-destructive testing in real-time. As an imaging desktop device, the demonstrator runs with a 90 GHz CW system in a scanning area of 290 x 290 mm. The scanning duration is ≤ 60 seconds, depending on the desired quality, while the contrast and color values of the amplitude and phase measurements can be adjusted in real-time. “The current research results indicate that millimeter wave systems can become a useful addition as we head toward zero-defect production”, says Daniel Behrendt, Business Unit Spokesman Production at Fraunhofer FHR.
At the CONTROL, Fraunhofer FHR shares booth 6301 in hall 6 with the Fraunhofer Vision Alliance. The Alliance is made up of fourteen institutes of the Fraunhofer-Gesellschaft working together. The cooperation aims to bundle the know-how of the Fraunhofer-Gesellschaft in the areas of image processing and non-contact measuring and testing techniques to provide industrial users with access to new scientific bases.
More information about the CONTROL at: https://www.control-messe.de/en/
The millimeter wave scanner SAMMI® detects foreign objects and imperfections in quality assurance.
Source: Fraunhofer FHR
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