喷墨印刷技术在超高频天线制作中的应用  

Application of Inkjet Printing Technology in the Production of UHF Antennas

作　　者：唐正宁[1] 刘春格[1] 

机构地区：[1]江南大学物联网工程学院,江苏无锡214122

出　　处：《科技导报》2010年第23期77-80,共4页Science & Technology Review

基　　金：国家自然科学基金项目(60776056)

摘　　要：研究了喷墨印刷技术在超高频天线制作中的应用,理论上分析了超高频天线的结构、电感值和喷墨膜层厚度,由此引入分析影响墨滴铺展因素的必要性。在此基础上,利用软件模拟的方法来分析,借助软件中的VOF模型数值模拟和分析墨滴速度、墨滴大小对墨滴碰撞铺展过程的影响情况,结果发现只有控制好影响墨滴碰撞铺展的因素才有可能印刷出性能(导电性等)良好的超高频天线。提出了一些墨滴速度、墨滴尺寸的控制标准,如在其他条件一定的情况下,墨滴的速度最好越小,以免发生墨滴的反弹、飞溅等不良的现象;根据具体条件确定合适的墨滴速度大小。这些工作为分析控制墨滴铺展的参数提供了理论依据,并对喷墨印刷技术在超高频天线制作中参数的调节与控制提供了信息。This paper studies the application of inkjet printing technology in the production of UHF antennas,and the focuses are on the droplet spreading on the substrate.The structure and inductance of UHF antenna and the ink printing film thickness are analyzed theoretically,and on this basis factors affecting the droplet spreading are discussed.The droplet velocity and droplet size are two important factors,which are analyzed by numerical simulations and the VOF model.It is shown that these two factors should be carefully determined in order that the droplet can spread normally and the quality of UHF antenna can be ensured.A number of routines are proposed for controlling drop velocity and drop size.For example,when other conditions are fixed,in order to avoid the drop to rebound and splash or other undesirable phenomena,the drop speed should be as small as possible,of course,it should be in line with specific conditions.This paper provides some useful guidance for analyzing the parameters influentcing the droplet spreading,and for regulating and controlling parameters when the ink-jet printing technology is used in the production of UHF antennas.

关 键 词：喷墨印刷 超高频天线 墨滴铺展 VOF模型 

分 类 号：TN822[电子电信—信息与通信工程]