【作者】 赵庚申；

【导师】 唐祯安；

【作者基本信息】 大连理工大学 ， 测试计量技术及仪器， 2006， 硕士

【摘要】 完整的射频识别系统由读写器、应答器和接受/发射天线构成,电子标签是一种特殊构造形式的应答器,它由两部分组成。第一部分是一个射频通信IC,尺寸为几个mm~2。第二部分是一个微型的天线。虽然电子标签的应用出现了许多的进步,已经在很多领域得到了应用,但要让电子标签进入更加广泛的应用还需要实现更多的进步。第一,标签的成本必须降低;第二,使标签具有“柔性”,使用起来更方便以适合更多的应用场合。这些进步可以通过制作低成本的柔性电感并将它应用在电子标签的电路中来实现。电感制作的低成本可以通过选择低成本的材料、采用较简单工艺实现。电感要具有柔性不仅要求制作电感的材料具有柔性,也要求电感的设计能以柔性的结构实现。本文首先对导电碳浆、导电银浆以及铝复合膜三种适用于丝网印刷工艺的导电材料进行了性能测试及比较以选择适合制作电感线圈的材料。在此基础上,设计并采用丝网印刷工艺制作了大量绕线形式不同、几何参数不同的膜结构电感。在低频段的固定频率点对电感量、品质因数进行测量,分析实验数据总结了匝数、线宽、线间距、几何形状对电感性能的影响。用从实测中总结出的规律对设计在电子标签中使用的电感进行指导。为了验证设计制作的电感是否符合在电子标签中应用的要求,在较高的频率段对电感进行了随频率变化的性能测试并进行结果分析。 另外,本文在系统学习了射频识别技术的知识后,结合对国内RFID产品的市场调查,选择了合适的RFID器件作为硬件模块,配合软件模块及接口模块组建了完整的RFID应用系统。这个系统与现有库存管理系统兼容,实现了射频识别技术在新型物资管理系统中的应用。更多还原

【Abstract】 A typical RFID system consists of radio frequency transponders, Radio frequency reader unit and receiving and transmitting antenna. Smart label is one kind of special type transponder, who consists of a microchip and a subminiature antenna. Though smart labels have been used in several fields successfully, more improvements should be achieved for its further using. First, label’s cost must been reduced, on the other hand, it should own flexible configuration. Because the microchip’s size is very small, which is about lor 2 mm. And the antenna almost covers all of the label’s area. So these improvements can be realized by design a flexible inductor and manufacture it by low-cost technics. The inductor should be used as an energy-coupling instrument. Its flexility can be achieved by using flexible material. And the design of inductor should be realized in flexible configuration. By experimentally study we analyze the characteristic of electric ink and AL-PET- multiple film, choose Al-PET-multiple film as the material, and adopt screen-printed technology to fabricate inductors. Large numbers of thick-film inductor have been fabricated. They own different parameters such as shape, turn, and space between the lines, wide of the line. A large number of experiments have been done to measure the inductors. By analyzing the data gained in experiment, the rules of how the parameters influence the inductor’s character can be summed up.In addition, a RFID application system has been established. It works as the hardware module in new-style material management system. This system is compatibled with existing material management system.更多还原