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Image Sensors Made for Extreme Temps

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DUISBURG, Germany, Sept. 23, 2010 — Car manufacturers are increasingly equipping their vehicles with image sensors to register the presence of pedestrians or vehicles in the blind spot or to detect obstacles when parking. The sensors must be able to function in extremely high temperatures and in blazing sunlight. If they are installed behind the rear view mirror or on the instrument panel, for example, they can get very hot. The Fraunhofer Institute for Microelectronic Circuits and Systems IMS has developed for an industrial customer a complementary metal oxide semiconductor (CMOS)image sensor, which can withstand...Read full article

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    Published: September 2010
    Glossary
    dark current
    The current that flows in a photodetector when there is no optical radiation incident on the detector and operating voltages are applied.
    image
    In optics, an image is the reconstruction of light rays from a source or object when light from that source or object is passed through a system of optics and onto an image forming plane. Light rays passing through an optical system tend to either converge (real image) or diverge (virtual image) to a plane (also called the image plane) in which a visual reproduction of the object is formed. This reconstructed pictorial representation of the object is called an image.
    image intensifier
    An electro-optic device consisting of an electronic tube equipped with a light-sensitive electron emitter at one end, and a phosphor screen at the other end, used to convert low levels of light at various wavelengths into a more intense level of light at a single visible wavelength. Image intensifiers are commonly used to enhance visual imaging for low-light applications such as night-vision and fluorescence.
    sensor
    1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
    asynchronousautomotivescamerascarCCDchemicalCMOScoldDark currentDuisburgEuropeFraunhofer Institute for Microelectronic Circuits and Systems IMSGermanyheatimageimage intensifierImagingindustrialindustrylight absorptionpixelsquality controlResearch & TechnologysemiconductorssensorSensors & DetectorsshutterssteelsynchronoustemperatureWerner Brockherde

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