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Heat management is one of the major challenges in modern electronic devices. The higher performance results in a production of greater amount of heat which needs to be efficiently dissipated so as to ensure the electronic devices operational during the period of lifetime. This paper discusses the application of micro- and nano-materials in thermal interface materials (TIM) used for heat management...
In the present paper, a chip with a Pt-based RTD that functions as a heater and sensor is tested under serial power loads, and infrared (IR) thermal imaging system is adopted to obtain the thermal measurement. Comparisons of the hotspot temperatures of the chip obtained by RTD and IR methods have been made, where different surfaces of the chip were observed by the IR camera. Combing with the heat...
In the present paper, a chip with a Pt-based RTD that functions as a heater and sensor is tested under serial power loads, and infrared (IR) thermal imaging system is adopted to obtain the thermal measurement. Comparisons of the hotspot temperatures of the chip obtained by RTD and IR methods have been made, where different surfaces of the chip were observed by the IR camera. Combing with the heat...
Monolayer graphene was synthesized through thermal chemical vapor deposition (TCVD) as heat spreader in electronic packaging. Platinum (Pt) was functioned as hot spot of thermal testing chip. The hot spot temperature of thermal testing chip bonded onto a heat sink measured by an FLIR infrared thermograph was decreased by about 5 °C from 52 °C to 47 °C when driven at a heat flux about 1280W/cm2 with...
Monolayer graphene was fabricated using thermal chemical vapor deposition (TCVD) as heat spreaders in electronic packaging. Platinum (Pt) thermal evaluation chips were utilized to evaluate the thermal performance of the graphene heat spreaders. Temperature of hot spot driven at a heat flux of up to 430W·cm−2 was decreased by about 13 °C with the attaching of the graphene heat spreader. We demonstrate...
The need for faster, smaller, and more reliable and efficient products has resulted in increase of heat generated in microelectronic components. The removal of the heat generated is an important issue in electronic packaging. A novel Nano-TIM was developed to improve the heat dissipation of electronics packaging. This paper aims at studying the heat dissipation performance of a new class of nano-structured...
Adhesives containing Ag flakes and spherical micro-particles were prepared. The variations in their electrical and thermal conductivities with matrix chemistry and curing temperature were investigated. Due to the alignment of Ag flakes along the in-plane direction, the adhesives containing only Ag flakes provided maximum thermal conductivity in this direction. Introduction of Ag spherical micro-particles...
With fast development of electronic packaging, the conductive adhesives were widely used in surface mount and chip interconnection. As an alternative to solder, it has many advantages, such as low processing temperature, less environment contamination and fine pitch capability. However, conductive adhesive joining technology also simultaneously faces a lot of challenges. The major problem of current...
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