Method of forming radio frequency identification tag
1995
PROBLEM TO BE SOLVED: To enable high volume production of radio frequency tags at a low cost by using material which can be obtained, by forming an antenna constituted of a wire, by wire bonding, on an organic board on which semiconductor is fixed. SOLUTION: Semiconductor 205 having a first contact 207, a second contact 208, a storage device, and a logic circuit for modulating a radio frequency sinal with a frequency is fixed on an organic board 210. By using a wire bonding machine, the end of a first wire 131 is connected with the first contact 207, and the first wire 131 is led out to have a first length and fixed to the organic board 210. The first wire 131 is cut out at the point of the first length. Similarly, the second wire 132 is fixed to the second contact 208 and the organic board 210. Hence the first wire 131 and the second wire 132 form an antenna for receiving a signal, which is modulated by the logic circuit of the semiconductor 205. The modulated signal is transmitted from the antenna. COPYRIGHT: (C)1996,JPO
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