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In semiconductor devices, problems in the device package may cause failures due to contamination, mechanical stress of the device, or open or short circuits. Failures most commonly occur near the beginning and near the ending of the lifetime of the parts, resulting in the bathtub curve graph of failure rates.
An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.
This feature has also been implemented on some laptop docking stations allowing device charging even when no laptop is present. [82] On laptops, charging devices from the USB port when it is not being powered from AC drains the laptop battery; most laptops have a facility to stop charging if their own battery charge level gets too low. [83]
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Dock connector on a 2011's HP EliteBook laptop. A dock connector is an electrical connector used to attach a mobile device simultaneously to multiple external resources. Dock connectors typically carry a variety of signals and power, through a single connector, to simplify the process of docking the device.
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HP Imprint was a high-gloss finish for laptop and notebook computers developed by Nissha Printing Co. of Japan in cooperation with HP. It was first developed in May 2006 alongside a new line of HP Pavilion laptops, using an advanced molding technique commonly used in several products such as mobile phone cases, interiors for luxury automobiles ...