Title :
Design of a UHF RFID fiber tag antenna with electric-thread using a sewing machine
Author :
Kim, Goojo ; Lee, Jinseong ; Lee, Kyoung Hwan ; Chung, You Chung ; Yeo, Junho ; Moon, Byung Hyun ; Yang, Jeenmo ; Kim, Hee Cheol
Author_Institution :
Ubiquitous Technol. Res. Center, Daegu
Abstract :
An RFID tag antenna with electric-thread using a sewing machine is proposed. The characteristics of the electric-thread used as tag antenna are studied and the changes of conductivity for different sewing methods are analyzed. The electro-thread tag antenna is designed by the shape of alphabet characters. The radiation efficiency is about 33% and the measured maximum reading range is about 2.5m in an anechoic chamber. It is demonstrated that the electro-thread is possible to be directly applied to clothes as a brand or company marks. However, it is necessary to develop some additional technology for packaging to protect a tag chip from laundry and wrinkle.
Keywords :
UHF antennas; antenna radiation patterns; radiofrequency identification; sewing machines; UHF RFID fiber tag antenna; anechoic chamber; electric-thread; sewing machine; Conductivity; Copper; Frequency; Impedance; Manufacturing; RFID tags; Radiofrequency identification; Supply chain management; Transmitting antennas; UHF antennas;
Conference_Titel :
Microwave Conference, 2008. APMC 2008. Asia-Pacific
Conference_Location :
Macau
Print_ISBN :
978-1-4244-2641-6
Electronic_ISBN :
978-1-4244-2642-3
DOI :
10.1109/APMC.2008.4958396
