Patent ID: 7339550

Claim:
An antenna for an RFID tag, comprising: a power feeding part adapted to feed power to an integrated circuit of the RFID tag; a radiating part adapted to transmit or receive a radio signal; and a meandering part connecting the power feeding part and the radiating part, the meandering part including a plurality of sides extending in a first direction, wherein: the power feeding part, the meandering part, and the radiating part are arranged in a second direction orthogonal to the first direction; the radiating part has a first side extending in the first direction and having a first length; the meandering part has a first side extending in the first direction which is farthest from the power feeding part and opposes the first side of the radiating part; a gap is formed between the first side of the meandering part and the first side of the radiating part; and a length of the radiating part in the second direction is longer than the first length.