摘要
为解决可穿戴设备在复杂应用场景中无线信号响应范围较窄的问题,该文提出了一种柔性三频微带天线,在2.5 GHz、3.5 GHz、5.4 GHz微波频段采用双“T”型+双“L”型表面结构实现天线的谐振,采用聚酰亚胺为基底材料,纳米银为辐射贴片及接地面的导电材料以实现柔性化。使用ANSYS HFSS对天线进行建模并进行仿真分析,使用微滴喷射3D打印工艺对其加工,有效地解决了传统微机电系统(MEMS)加工在柔性电子领域上成本高及步骤复杂等问题。最后使用场发射扫描电镜分析打印面形貌,并使用矢量网络分析仪分别测试天线成品的回波损耗、可弯折性及弯折抗疲劳性,测试结果与仿真结果基本一致,且天线具有较好的弯折性能。
A flexible tri-band microstrip antenna is proposed to address the issue of narrow wireless signal response ranges in wearable devices within complex application scenarios.This antenna employs a double“T”-shaped+double“L”-shaped surface structure to achieve resonance in the microwave frequency bands of 2.5 GHz,3.5 GHz,and 5.4 GHz.Polyimide serves as the substrate material,while nano-silver is utilized for the radiating patch,and aconductive material is applied on the ground plane to ensure flexibility.The antenna was analyzed using ANSYS HFSS to constructa model and conduct simulations.Fabrication utilized the microdroplet jet 3D printing process,effectively resolving the high cost and complexity associated with traditional MEMS processing in flexible electronics.Finally,field emission scanning electron microscopy was employed to analyze the printed surface morphology,and a vector network analyzer was utilized to test return loss,bendability,and fatigue resistance of the completed antenna.The test results were consistent with the simulation outcomes,demonstrating excellent bending performance of the antenna.
作者
钟智东
舒霞云
常雪峰
唐毅泉
诸世敏
ZHONG Zhidong;SHU Xiayun;CHANG Xuefeng;TANG Yiquan;ZHU Shimin(School of Mechanical&Automation Engineering,Xiamen University of Technology,Xiamen 361024,China;Key Lab.of Precision Actuation&Transmission,Xiamen University of Technology,Xiamen 361024,China;Fujian Province Key Lab.of Green Intelligent Cleaning Technology and Equipment,Xiamen 361024,China;College of Marine Equipment and Mechanical Engineering,Jimei University,Xiamen 361021,China)
出处
《压电与声光》
CAS
北大核心
2024年第2期241-245,共5页
Piezoelectrics & Acoustooptics
基金
国家自然科学基金资助项目(51975501)。
关键词
柔性微带天线
聚酰亚胺
微滴喷射
多频段
纳米银
flexible microstrip antenna
polymide
micro-droplet
multi-frequency band
nano-sliver
