Electronic Circuit Unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Sep 8, 2016
app pub date -
Mar 4, 2016
filing date -
Mar 6, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
To increase vibration resistance of a connection terminal, a tip of which is soldered to a circuit board. In a controller, the circuit board is accommodated in a controller housing made of metal, and the tip of the connection terminal that extends from an actuator housing through an opening is fixed to the circuit board. Semiconductor switching elements and electrolytic capacitors as heat generating components are collectively arranged in an area of the circuit board adjacent to the connection terminal, and the circuit board is adhered and fixed to a top surface of a heat mass via a thermal conductive adhesive. At the same time as that heat dissipation is improved by the thermal conductive adhesive, a load caused by vibration is reduced because the circuit board is fixed at a position near the connection terminal to the controller housing.
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