CHANGEABLE RFID TAG ANTENNA OF STRUCTURE BY THE WORKING AREA USING CONDUCTIVE INK

摘要

PURPOSE: An RFID tag antenna capable of changing a structure according to an operation area using conductive ink is provided to minimize the impedance change of an antenna and recognize a local area and a wide area using one tag. CONSTITUTION: A loop pattern(21) is formed in the center of a dielectric(10) with a square type. A meander line pattern(22,22') is connected to the dielectric of the loop pattern. A tag antenna(20) comprises a patch unit(23,23') formed on the dielectric. A tag chip(30) is mounted on one side of the tag antenna. An antenna separating unit(a,b) is formed between the loop pattern and the meander line pattern. The loop pattern is thicker than the meander line pattern and the patch unit. The loop pattern is coated with waterproof coating materials.