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The BS05M1HFAL, BS05M1KFCA, BS05M1KFFA and BS05M1KFBB magneto-resistive sensors are designed for ATMs, banknote counters, detectors and other validator applications. The devices are suitable for detection of magnetic thread or magnetic ink, and enable simple and quick mounting. These parts retain around 70% of their output voltage at a 0.1mm gap between sensor and substrate, compared to just 4% for typical coil-head sensors. In Murata's multi-channel devices, multiple sensors are mounted next to each other to allow magnetic-pattern recognition over the whole width of the banknote. The BS05M1HFAL is an 8-channel sensor with a channel width of 3mm, while the BS05M1KFFA has thirteen channels, each 10mm wide. Both have all their channels mounted in a straight line. This layout is especially useful in banknote validators that use a pressure roller as the centre of the roller can be directly above the line of sensing elements, as it can allow lower signal loss and eliminating time differences between signals. The in-line layout also eases handling and PCB assembly and reduces the size of the pressure roller and sensing assembly. The BS05M1KFCA six-channel and BS05M1KFBB 13-channel sensors have a 10mm channel width with channels offset in alternate directions to make a zig-zag-style configuration.