نتایج جستجو برای: heatsink
تعداد نتایج: 152 فیلتر نتایج به سال:
Use of a thermoelectric component (TEC) for an LED module cooling will be studied. The issue will be approached by revealing the operation of a thermoelectric component known also as Peltier element, and the main equations describing its behaviour. An experimental setup including an LED module, a TEC, an heatsink and a fan will be build. Heat dissipation and the electrical performance measureme...
Room-temperature continuous-wave ~cw! operation is demonstrated with InGaN multiple-quantum-well laser diodes containing an asymmetric waveguide structure. Pulsed threshold current densities as low as 5.2 kA/cm have been obtained for ridge-waveguide laser diodes grown on sapphire substrates by metal-organic chemical vapor deposition. For improved thermal management, the sapphire substrate was t...
The Internet of Things (IoT) infrastructure requires billions devices that must ideally be self-powered. Ambient RF and thermal energy have great potential since they are both available continuously throughout the day. An harvester is a rectenna combination receiving antenna rectifier. Thermal harvesters (TEH) typically static type, with fixed hot source at one end cold other. Here, we present ...
Bond wire lift-off is one of the major failure mechanisms in insulated gate bipolar transistor (IGBT) modules. Detecting fault bond wires important to avoid open-circuit IGBT ensure reliable operation power converters. In this paper, we propose a novel fatigue detection method for IGBT, which could be used normal working conditions. Firstly, investigated dependence on heatsink thermal resistanc...
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