When a large medical technology manufacturer approached First Sensor nearly ten years ago, the market launch of computer tomographs was planned with a new generation of high-resolution radiation sensors. Despite the lower radiation dose, these scanners were designed to achieve a better resolution than previous devices and thus be less harmful to patients. In medical technology, innovations such as these have a long lead time in order to ensure the quality and reliability of the products. When the new device was introduced, the challenge was the layout and connection technology of the detector arrays. The medical technology manufacturer was looking for a solution to attach its sensor chips to a specific backing material and achieve greater scalability than with the method previously used.
The layout and connection technology associated with this requirement cannot be produced by every provider. The development team at the site in the Weissensee district of Berlin embraced this challenge. The experts had to find a solution to get around the fact that the requisite material could only be produced very imprecisely at this point, but the computer tomography required maximum precision with more than 1,000 connections on one board.
Even the smallest fault is visible
In the tubes, the detector arrays consisting of several sensor elements detect the individual X-ray signals, from which the computer compiles the sectional images. Any fault is thus visible and renders the device unusable. First Sensor therefore started by developing an unconventional coating procedure to precisely position the connections and finalized the prototype in 2011. The customer was extremely pleased with this solution and the finished solution opened doors for the group.
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