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全印制无芯片RFID标签的研究与实现
Alternative TitleStudy and Implementation of All Printed Chipless RFID Tags
张科强1,2
Department信息服务与智能控制技术研究室
Thesis Advisor南琳
ClassificationTN911.23
Keyword无芯片rfid标签 全印制电子 喷墨打印 射频标签
Call NumberTN911.23/Z32/2012
Pages54页
Degree Discipline模式识别与智能系统
Degree Name硕士
2012-05-28
Degree Grantor中国科学院沈阳自动化研究所
Place of Conferral沈阳
Abstract射频识别 (Radio Frequency Identification, RFID)技术具有高速移动物体识别、多目标识别和非接触识别等特点,得到了全世界众多领域的广泛关注和青睐。普通的RFID标签主要由硅集成芯片、天线和封装等几部分构成,在传统的电子标签中,成本最高的部件是硅集成电路芯片。由于硅芯片的存在,导致它的成本还是无法跟条形码相竞争。无芯片RFID标签的出现,使标签的批量生产和进一步降低价格成为可能。与普通硅工艺相比,喷墨打印工艺不需要掩模板,也不使用接触式制造,而是使用全加法制造工艺,因此可以提供更有成本效益的生产方法。 本文的设计和研究就是基于这一背景,首先介绍了喷墨打印技术及其在电子元器件制造中的应用,分析了RFID技术发展现状及所面临的问题,阐述了课题研究内容的必要性。对当前的RFID技术在中低端商品流通领域应用中的瓶颈问题进行了分析,指出其不足并提出一种用印刷技术实现的低成本标签的方案。 针对圆盘单极子天线的不足,提出了一种改进圆盘单极子天线性能的方法,通过对天线接地板进行改造从而改善了天线的阻抗特性,扩展了天线的工作带宽。 本文设计了一种基于多阻带螺旋形谐振器的无芯片标签。它包括一个接收天线,一个多谐振电路和一个发送天线。无芯片标签中的多阻带滤波器把特定频率的信号变弱,从而创建了特定的频谱,每一个标签拥有唯一的频谱特性也就意味着有唯一的ID。 开发了喷印系统的SOPC控制系统,把整个喷印控制系统分主控模块,USB模块,存储器模块,运动控制模块,光栅处理模块、喷印时序模块以及执行状态检测模块,分析了每个模块的设计原理,并对各个模块分别进行详细设计。整机调试成功后,通过喷墨打印实验实现上述设计的无芯标签。选取PET材料作为基材,使用导电纳米银浆墨水进行喷印实验,喷印完成后使用烘箱把标签烘干定型形成导电线路实现无芯片RFID标签。 全印制无芯片RFID标签不仅可以极大降低RFID标签自身成本而且具有制造工艺简单,对环境无污染等优势,具有很大的市场潜力。; RFID(Radio Frequency Identification)has the ability of identification to items moving at high speed without touch, and several items at a time. It promises a good application in many fields. Ordinary RFID tag consists of silicon integrated chip, antenna and encapsulation, and the chip is the most expensive component of the tag, the expensive chips cause it cannot compete with bar code. The emergence of chipless RFID tags makes it possible to reduce the price of the tags. The research and design in this thesis is based on this background. Firstly, the ink-jet printing technology and its application in the manufacture of electronic components are introduced briefly, Then RFID technology development status and the problems it faced and the necessity of the research is analyzed. Bottlenecks of the current RFID technology in the field of the low-end commodity circulation is pointed out, using printing technology to achieve low-cost tag is proposed. Regarding the shortcomings of current circular disc monopole antenna, a method to modify the antenna is proposed. By modifying the ground plane, the impedance characteristic is improved and the bandwidth is broadened. A novel chipless RFID system based on planar multi-resonators is proposed. It consists of a receiving tag antenna, multi-resonating circuit and a transmitting tag antenna. The RFID reader sends out a multi-frequency interrogation signal and the chipless transponder attenuates particular frequencies which creates a unique spectral signature. It uses spectral signatures to encoded data and provides a unique ID for every tagged object. The SOPC control system of inkjet printing system is designed and developed. The printing control system is divided into the main control module, USB module, memory modules, motion control module, grating processing module, print timing module and the state detection module. Each module design principles is analyzed, and each module is designed in detail. After the machine debugging successfully, the chipless tags proposed in the chapter 4 is achieved through the ink-jet printing experiment. PET material is selected as the substrate, nano-silver ink is selected as conductive material for the printing experiments, after printing ,the tag is anneal through the oven to form conductive line of the chipless tag. Printed chipless RFID tag has great market potential, because it can greatly reduce the cost of the RFID tag and has the advantages such as a simple manufacturing process and less environmental pollution.
Language中文
Contribution Rank1
Document Type学位论文
Identifierhttp://ir.sia.cn/handle/173321/9416
Collection信息服务与智能控制技术研究室
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院研究生院
Recommended Citation
GB/T 7714
张科强. 全印制无芯片RFID标签的研究与实现[D]. 沈阳. 中国科学院沈阳自动化研究所,2012.
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