基于裂纹模板的低成本嵌入式铜网用于高耐久性透明电磁干扰屏蔽薄膜。
Low Cost Embedded Copper Mesh Based on Cracked Template for Highly Durability Transparent EMI Shielding Films.
作者信息
Voronin Anton S, Fadeev Yurii V, Makeev Mstislav O, Mikhalev Pavel A, Osipkov Alexey S, Provatorov Alexander S, Ryzhenko Dmitriy S, Yurkov Gleb Y, Simunin Mikhail M, Karpova Darina V, Lukyanenko Anna V, Kokh Dieter, Bainov Dashi D, Tambasov Igor A, Nedelin Sergey V, Zolotovsky Nikita A, Khartov Stanislav V
机构信息
Department of Molecular Electronics, Federal Research Center «Krasnoyarsk Scientific Center», Siberian Branch, Russian Academy of Sciences (FRC KSC SB RAS), 660036 Krasnoyarsk, Russia.
School of Engineering and Construction, Siberian Federal University, 660041 Krasnoyarsk, Russia.
出版信息
Materials (Basel). 2022 Feb 15;15(4):1449. doi: 10.3390/ma15041449.
Embedded copper mesh coatings with low sheet resistance and high transparency were formed using a low-cost Cu seed mesh obtained with a magnetron sputtering on a cracked template, and subsequent operations electroplating and embedding in a photocurable resin layer. The influence of the mesh size on the optoelectric characteristics and the electromagnetic shielding efficiency in a wide frequency range is considered. In optimizing the coating properties, a shielding efficiency of 49.38 dB at a frequency of 1 GHz, with integral optical transparency in the visible range of 84.3%, was obtained. Embedded Cu meshes have been shown to be highly bending stable and have excellent adhesion strength. The combination of properties and economic costs for the formation of coatings indicates their high prospects for practical use in shielding transparent objects, such as windows and computer monitors.
利用磁控溅射在破裂模板上获得的低成本铜籽晶网，随后进行电镀并嵌入光固化树脂层，形成了具有低表面电阻和高透明度的嵌入式铜网涂层。考虑了网格尺寸对宽频范围内光电特性和电磁屏蔽效率的影响。在优化涂层性能时，在1GHz频率下屏蔽效率达到49.38dB，可见光范围内的整体光学透明度为84.3%。已证明嵌入式铜网具有高度的弯曲稳定性和优异的粘附强度。涂层形成的性能与经济成本的结合表明，它们在屏蔽透明物体（如窗户和电脑显示器）方面具有很高的实际应用前景。
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