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Automotive Electronics

To follow trend of energy conservation and emission reduction for automotive industry, traditional mechanical cooling pumps of motors have been switched to electronic pumps to adapt severe working conditions. ECU(Electronic Control Unit)can adjust speed and water cooling according to requirement, self diagnosis reset function, failure production function etc. Requirement of package materials for ECU is becoming higher.
Electricity cars, hybrid vehicles developed since 1990s by US, Japan and Germany are equipped with electric motors, which need high power modules to control speed and DC-AC transmission. Because of high thermal conductivity (320W/m.K), good mechanic properties, erosion resistance and good electricity properties( dielectric constant,), AlN ceramics is widely applied to industrial areas for car electronic pumps, invertor, cigar lighters, sensors, ceramic motors.