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In power system, temperature rising caused by longtime overload operation or loading heavy current is one of main factors of malfunction for high voltage electrical equipment. Therefore, the temperature monitoring of high voltage power equipment during operation is very important to ensure the stability and security of power supply. In this paper, a passive wireless temperature measurement system...
Flip-chip ultraviolet light-emitting diode (FC UV-LED) fabricated by direct AuSn eutectic package is of high interest in Research and Development due to its excellent thermal performance and good reliability. However, the voids in eutectic bonding layer due to the lack of AuSn filled have a big influence on the thermal management and optical performance of FC UV-LEDs, and it is believed that the eutectic...
In this paper, the characteristics of ultraviolet light-emitting diodes (UV-LEDs) operated at 395 nm, such as the improvement of light output power and thermal resistance control were investigated. The advanced package method fabricated with eutectic flip-chip package and silicone bonding quartz lenses was presented to meet the optical and thermal demands of UV-LEDs. The optical and thermal performance...
With the demanding of market, the electronic portable products can be characterized by increasing signal frequencies and higher density of functions. The electronic products are expected to be produced smaller and smaller. There is one way to meet the requirement, which is a three- dimensional integration of components. A new concept of a packaging structure is proposed based on an embedded chip structure...
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