| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem that it is difficult to form a desired slit shape with a shape of a blade of a punching die corresponding to a slit end roughening in a process with the punching die for a slit of such narrow width around 200 μm as required for the slit to be formed in an antenna part for input-output separation of an RFID chip for use that tends to be also miniaturized for overall size reduction because of recent demand for miniaturization. <P>SOLUTION: In manufacture of an electronic tag, when an aluminum-based tape-like thin film is punched with a die to form an antenna part, relatively wide first and second apertures are first formed by punching with first and second dies, then a third aperture is formed between the first and second apertures by punching with a third die so as to be connected with both of the first and second apertures at its relatively narrow parts. <P>COPYRIGHT: (C)2009,JPO&INPIT |
