INTEGRATED FILTER-BASED PARTICULATE MATTER SENSORS

Harald Etschmaier (Inventor), Georg Röhrer (Inventor), Anderson Singulani (Inventor), Hubert Enichlmair (Inventor), Jong-Mun Park (Inventor), Alexander Bergmann (Inventor), Paul Maierhofer (Inventor)

    Research output: Patent

    Abstract

    An apparatus for sensing particulate matter in a fluid includes a substrate; and an integrated circuit electrically connected to the substrate, the integrated circuit including a photodetector. The apparatus includes a filter assembly including a particle filter aligned with the photodetector, and a filter housing for the particle filter, the filter housing defining a flow path for fluid through the particle filter. The apparatus includes a light source electrically connected to the substrate and positioned to illuminate the particle filter.

    Original languageEnglish
    Patent numberWO2019115690
    IPCG01N 15/ 14 A I
    Priority date15/12/17
    Publication statusPublished - 20 Jun 2019

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