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POSIC S.A. is a privately-owned company, specialized in coil-on-chip inductive position sensors. The company is headquartered in Neuchatel, Switzerland and was founded in April 2001 as a spin-off from CSEM (Swiss Center for Electronics and Microtechnology) and positions itself as "solution provider for position sensing in motion control applications" based on "coil-on-chip inductive sensor technology with signal processing and interface electronics". The ultra-miniaturized inductive sensors are based on a proprietary technology that allows the fabrication of an inductive coil system on a silicon chip. The POSIC inductive position sensor combines the advantages of the inductive sensing principle and silicon integrated circuit technology. Using coil-on-chip technology, the bulky windings of the conventional resolvers and LVDT's are reduced to the size of a silicon chip. A custom integrated circuit is integrated in the sensor package and provides signal conditioning and a robust interface, suitable for motion control and industrial control applications. Compared to Hall sensors and magnetoresistive sensors, the POSIC inductive sensors have the advantage that they don't need a permanent magnet (large dimensions and heavy weight) and can thus be made very thin. Furthermore, the POSIC sensors are immune to strong magnetic fields, support high ambient temperatures and do not suffer from oil, dust or (magnetic) particles and can even work with targets of non-magnetic material like aluminum! "Our objective is to become a leading sensor company and to develop our miniature inductive sensors to a high level of perfection." said Johan Bergqvist, Director of R&D at POSIC. "Inductive sensors are widely known, but most people associate them with bulky wire-wound coils and don't realize that they can get the same inductive sensor integrated on one chip with the readout electronics. It's our mission to make them aware of this and establish the coil-on-chip inductive sensors as the leading edge sensing technology for motion control applications." adds Sietse Wouters, Director of M&S at POSIC. Contact POSIC Jaquet-Droz
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