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低介电常数高耐热多层线路板用基板材料 被引量:1

Low-eielectric,high Hear-tesistant material for multilayer printed wiring board
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摘要 Polyphenylene(聚酰亚胺)树脂带有非常好的介电性能,通过对Polyphenylene分子细量化,然后和带有好架桥性能以及可溶混性的树脂搅拌,开发出了同时带有低诱电(Low-Dk)和高耐热性,适用于高速信号传输设备使用的多层线路板材料。这个材料性能为Dk=3.8,Df=0.005(1 GHz),Tg=210℃。在5 GHz的使用条件下,与传统的材料相比,降低信号损失约15 db/m。可以广泛的应用在如网络设备等的高速,大容量信号传输设备。 In the multilayer printed wiring board material used for high-speed transmission equipment, high- frequency capable material with low dielectric properties and high heat-resistance has been developed by reducing the molecular weight of polyphenylene ether resin, which has excellent dielectric properties, and blending it with a cross-linking agent having high miscibility with the resin. This material presents the characteristics of dielectric constant 3.8, dielectric loss tangent 0.005(1 GHz), glass transition temperature 210℃, and capable of reducing the transmission loss of a printed wiring board by approx 15db/m at 5 GHz compared with the conventional material, thereby enabling wide applications in high-end electronic equipment such as network equipment requiring high- speed and large-capacity transmission.
出处 《印制电路信息》 2013年第9期20-23,共4页 Printed Circuit Information
关键词 介电常数(Dk) 介质损耗角正切(Df) 表面电阻 Dielectric Constant Dissipation Factor Surface Resistivity
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参考文献7

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