| 摘要 |
<p>On one main surface (2a) of a substrate (2), a patch antenna having two patch conductive bodies (3a, 3b) is provided, said patch conductive bodies plane-resonating at an interval (d) therebetween, and on the other main surface (2b) of the substrate (2), a grounding conductor is provided. At least in one of the two patch conductive bodies (3a, 3b), a recessed portion (6b) recessed from an end portion facing the other patch conductive body (3b) is formed. At least on a part of a region, which is exposed from the recessed portion (6b) of the one main surface (2a) of the substrate (2), and/or a part of a region between the recessed portion (6b) and the other patch conductive body (3b), an IC tag (5) is provided such that a high radiation electric field is generated along a resonant axis of the patch antenna. With such configuration, the radiation electric field of the IC tag (5) is effectively electromagnetically coupled with the patch conductive bodies, unneeded radiation between the patch conductive bodies (3a, 3b) from the IC tag (5) is suppressed, and a wireless IC tag apparatus can be manufactured merely by means of surface mounting.</p> |
