Resonant tag and method of manufacturing the same

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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428457, 428461, 428515, 428901, 216 6, 216 47, 216 13, 216 52, B32B 300

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054477794

ABSTRACT:
A resonant tag is manufactured in the manner described below: a conductive thin film is formed to a predetermined thickness on two surfaces of an insulating thin film. Thereafter, a conductive pattern, composed of an inductor element and a capacitor element corresponding to a resonant frequency of a resonant circuit, is printed on a surface of one of the conductive thin films, and a conductive pattern, composed of a capacitor element corresponding to the resonant frequency of the resonant circuit, is printed on a surface of the other insulating thin film at a position which faces the capacitor element formed on one of the conductive thin films using an ink which resists etching. A non-printed portion of the conductive thin films is removed by etching to form a resonant circuit pattern. Thereafter, a portion of the insulating thin film, which corresponds to the capacitor element pattern, is thinned to a desired thickness by pressing a heating/pressing member heated to a predetermined temperature against that portion under a predetermined pressure for a predetermined period of time.

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