Identifying smart conducting materials for Wi-Fi electromagnetic interference shielding

Al-Shabib, Whamid; Habibi, Daryoush; Xie, Zonghan; Zhao, Xiaoli

doi:10.1109/apemc.2012.6237899

Cited by 4 publications

(3 citation statements)

References 13 publications

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“…Moreover, the radiation coming from devices also generates health trouble. Consequently, the development of EMI shielding materials is in urgent need in order to diminish the trouble produced by electromagnetic radiation [57,58] .…”

Section: Electromagnetic Shielding Materialsmentioning

confidence: 99%

Research Progress in Magnesium Alloys as Functional Materials

Chen

Geng

Pan

2016

Rare Metal Materials and Engineering

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Magnesium alloys have a significant advantage, low density over other structure metals currently and have been widely used in various fields such as transportation and aerospace. With the development of research and the enlargement of research scope, more advantages have been developed: high storage capacity, high theoretical volumetric energy density, extraordinarily high damping capacity, good biocompatibility, excellent shielding efficiency as well as impressive thermal conductivity. Therefore Mg alloys have the potential to be various functional materials, such as hydrogen storage material, rechargeable electrochemical batteries, damping material, biodegradable implant material, electromagnetic shielding material, and thermal conductive material. Unfortunately, each kind of functional material has bottlenecks needing to be broken through, and a lot of researches have to be carried out. This review comprehensively covers the research progress and the up-to-date summary of Mg and Mg alloys as functional materials in recent years. The six kinds of functional materials above all will be discussed.

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Section: Electromagnetic Shielding Materialsmentioning

confidence: 99%

Research Progress in Magnesium Alloys as Functional Materials

Chen

Geng

Pan

2016

Rare Metal Materials and Engineering

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“…However, a small number of investigations with the aim of using PCM as part of the thermal management system of thin electronic devices (overall thickness in the range of 15 mm or smaller) have been published [10][11][12][25][26][27][28][29][30], and those are of great interest to the field of study and this work specifically. Numerical investigation on the thermal management of a modern computer tablet including thin PCM layers (0.5 mm) was performed by Sponagle and Groulx [11].…”

Section: Introductionmentioning

confidence: 99%

“…Thermal spreaders are thin material layers with a large thermal conductivity, which may be used to increase heat transfer from the heat source to the sink. For example, some SoC used in the newest tablet generations are covered with an electromagnetic shield that also serves as a thermal spreader [30]. The influence of thermal spreaders on the thermal management of electronics has been studied by some investigators [31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Thin PCM Packages and Thermal Spreader for Thermal Management of Portable Electronic Devices

et al. 2019

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As the size of portable electronic devices, like tablet computers or smartphones, continues to decrease and their performance continues to increase, thermal management of the generated heat is becoming an ever more important issue. Phase change materials (PCMs) integration is a promising approach to reduce overheating of electronic components in tablet design while keeping the temperature of the cover surface within a comfortable range. This work focuses on the experimental thermal investigation of thin encapsulated PCM packages in combination with a thermal spreader as a solution for thermal management in portable electronic devices. The packages had an overall thickness of less than 2 mm in order to meet the requirements for integration in thin portable electronic devices. A simplified setup at a scale similar to a modern tablet computer was used for the experimental investigations. Experiments were conducted to study, for the first time, the local thermal behavior of the thin packages and their influence on the temperature increase of the heat source and cover surface. Two different PCMs were tested: n-eicosane and dodecanoic acid. An aluminum sheet with a thickness of 0.4 mm was used as a thermal spreader. It was determined that the combination of a spreader and the thin PCM packages led to substantial reduction of the temperature increase of both the heater and the cover. Compared to the case where neither a spreader nor a PCM package was used, the heater and cover maximum temperatures were reduced by 45% and 42%, respectively, when a constant heat power input of 5 W for 60 min was applied.

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Superhydrophobic properties of cotton woven fabrics with conducting 3D networks of multiwall carbon nanotubes, MWCNTs

et al. 2014

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This article presents the findings concerning the preparation and properties of cotton woven fabrics with a conductive network made of multiwall carbon nanotubes deposited on the fiber surface by the padding method. The next stage of treatment consisted of imparting superhydrophobic properties to the fabrics in solution with methyltrichlorosilane (MTCS) in a waterless medium. The tests performed show that the state of surface and water content in cotton fibers exerts a significant influence on the hydrophobic properties of the analyzed samples. In order to explain the differences in hydrophobic properties, the morphology of the cotton fabric surface was examined using samples with various water contents. The formation mechanism of MTCS coatings on cotton fabric has been proposed.

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Identifying smart conducting materials for Wi-Fi electromagnetic interference shielding

Cited by 4 publications

References 13 publications

Research Progress in Magnesium Alloys as Functional Materials

Research Progress in Magnesium Alloys as Functional Materials

Experimental Investigation of Thin PCM Packages and Thermal Spreader for Thermal Management of Portable Electronic Devices

Superhydrophobic properties of cotton woven fabrics with conducting 3D networks of multiwall carbon nanotubes, MWCNTs

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