基于增材工艺的柔性带通频率选择表面

doi:10.12263/DZXB.20200660

电子学报 ›› 2021, Vol. 49 ›› Issue (6): 1204-1209.DOI: 10.12263/DZXB.20200660

基于增材工艺的柔性带通频率选择表面

程开, 黄贤俊, 梁圆龙, 徐延林, 田涛, 刘继斌, 刘培国

国防科技大学电子科学学院, 湖南长沙 410073

收稿日期:2020-07-08 修回日期:2020-12-01 出版日期:2021-06-25
- 通讯作者:
- 黄贤俊(通讯作者) 男,1989年出生,江西萍乡人,副研究员,研究方向为:电磁防护与柔性电磁材料.E-mail:huangxianjun@nudt.edu.cn
- 作者简介:
- 程开男,1995年出生,山东德州人,硕士,研究方向为:电磁兼容与防护.E-mail:752386808@qq.com
- 基金资助:
- 国家自然科学基金 (No.61801490）; 国防科技大学科研项目 (No.ZK18-03-15）

Flexible Band-Pass Frequency Selective Surface Based on Additive Patterning and Electroplating

CHENG Kai, HUANG Xian-jun, LIANG Yuan-long, XU Yan-lin, TIAN Tao, LIU Ji-bin, LIU Pei-guo

School of Electronic Science, National University of Defense Technology, Changsha, Hunan 410073, China

Received:2020-07-08 Revised:2020-12-01 Online:2021-06-25 Published:2022-06-25

摘要/Abstract

摘要： 本文提出了一种基于增材加工工艺的带通频率选择表面设计.传统频率选择表面（Frequency Selective Surface，FSS）通常由PCB（Printed Circuit Board）工艺加工实现，难以与大面积柔性覆盖等场合兼容.为此，本文提出了基于丝网印刷与电镀的增材加工方法实现对带通频率选择表面的加工，并通过一种螺旋风车形缝隙结构带通FSS设计进行验证.设计与测试表明，实现的带通FSS在C波段提供了6~8GHz的通带，带内最小插损2.48dB.该FSS表现出良好的机械柔性，并在0~60°宽角度入射波，以及不同极化条件下，表现出稳定的频率选择特性.这一宽角度与极化稳定性对于柔性FSS在共形覆盖条件下应用不可或缺.相较于传统PCB工艺，本文提出的基于增材工艺带通FSS不但成本低、加工效率高，还具有柔性共形、极化与宽角度稳定等优势，有望满足柔性覆盖/共形电磁兼容与防护的需求.

关键词: 柔性频率选择表面, 增材工艺, 宽角度稳定, 电磁兼容

Abstract: A band-pass frequency selective surface (FSS) design based on additive processing is presented.The traditional FSS is usually processed by PCB(Printed Circuit Board) technology,which is difficult to be compatible with large-area flexible coverage.To this end,this paper proposes an additive processing method based on screen printing and electroplating to realize the processing of the band-pass FSS,and is verified by a design of band-pass FSS with spiral windmill-shaped slot structure.The design and experiment show that the realized band-pass FSS provides a pass-band of 6~8GHz in the C-band,and the minimum insertion loss is about 2.48 dB.The FSS exhibits good mechanical flexibility,and exhibits stable frequency selection characteristics under incident waves with a wide angle of 0~60°and different polarization conditions.This wide angle and polarization stability are indispensable in the application of flexible FSS under conformal coverage conditions.Compared with the traditional PCB process,the band-pass FSS based on additive process proposed not only has low cost and high processing efficiency,but also has the advantages of flexible conformal,polarization and wide-angle stability.It is expected to meet the need for flexible coverage/conformal electromagnetic compatibility and protection.

Key words: flexible FSS(Frequency Selective Surface), additive patterning, wide-angle stability, electromagnetic compatibility

中图分类号:

TN011.4

程开, 黄贤俊, 梁圆龙, 徐延林, 田涛, 刘继斌, 刘培国. 基于增材工艺的柔性带通频率选择表面[J]. 电子学报, 2021, 49(6): 1204-1209.

CHENG Kai, HUANG Xian-jun, LIANG Yuan-long, XU Yan-lin, TIAN Tao, LIU Ji-bin, LIU Pei-guo. Flexible Band-Pass Frequency Selective Surface Based on Additive Patterning and Electroplating[J]. Acta Electronica Sinica, 2021, 49(6): 1204-1209.

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基于增材工艺的柔性带通频率选择表面

Flexible Band-Pass Frequency Selective Surface Based on Additive Patterning and Electroplating

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