基于3D打印聚醚醚酮金属化的曲面共形天线成型工艺  

Novel Curved Conformal Antenna Manufacturing Technology Based on Metallization of 3D Printed PEEK

作　　者：冷杰 苑博 Leng Jie;Yuan Bo(Supply chain department,The1OthResearch Instituteof CETC,Chengdu610036,Sichuan,China)

机构地区：[1]中国电子科技集团公司第十研究所,供应链部,四川成都610036

出　　处：《应用激光》2024年第12期72-80,共9页Applied Laser

摘　　要：共形天线具有低剖面、低雷达散射截面面积、可满足任意孔径安装等优势,是未来先进武器装备天线的重点发展趋势之一。当前的天线制作工艺还存在天线阵面曲率小、阵面与共形结构难组装等诸多不足,制约了共形天线的发展,本文创新性地结合3D打印技术、飞秒激光技术和化学镀技术的优势,研究一体化复合制造具有多层互联电路的曲面共形天线成型新工艺。对设计并成型的共形天线样件进行线路精度、结合强度、电性能等测试,结果表明天线导电线路精度高、与基底附着良好、可焊性良好,Cu金属层的电阻率为1.5×10^(-6)Ω·cm,并且天线单元电压驻波比和单元增益都达到设计水平,可满足实际使用需求。研究结果对于曲面多层电路成型工艺及多层互联曲面共形天线的研究具有重要意义,为共形天线的研发提供新思路。Conformal antenna has the advantages of low profile,low radar scattering cross-sectional area,and can satisfy arbitrary aperture installation,making it one of the key development trends of advanced weapon equipment antenna in the future.However,there are still many shortcomings in the current antenna fabrication process such as small antenna front curvature and assembly problem of antenna front and conformal structure,which restricts the development of conformal antenna.In this paper,a novel integrated manufacturing process of curved conformal antenna with multi-layer interconnected circuits has been researched by combining the advantages of 3D printing technology,laser technology and electroplating technology.The line accuracy,bonding strength and electrical performance of the manufactured conformal antenna sample is tested.The results show that the antenna conductive lines have high precision,good adhesion and good weldability.The resistivity of the copper layer is measured at 1.5×10^(-6)Ω·cm,and both the voltage standing wave ratio and gain of the antenna element meet the design specifications,fulflling practical application needs.The outcomes of this research significantly contribute to the development of curved multilayer circuit forming processes and the advancement of conformal antenna technology.

关 键 词：3D打印 共形天线 聚醚醚酮 电镀 激光活化 

分 类 号：TN05[电子电信—物理电子学]