Method of manufacturing a resonant tag

Details Method of manufacturing a resonant tag Method of manufacturing a resonant tag

1991-11-21

1993-04-13

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156645, 156656, 1566591, 1566611, 156902, B44C 122, C23F 100

Patent

active

052019888

ABSTRACT:
A method of manufacturing a resonant tag on which at least two resonant circuits having different resonant frequencies are formed so as to enable the tag to be identified, the method including coating a conductive thin film on two surfaces of an insulating thin film, printing a plurality of first conductive patterns on a surface of one of the conductive thin films and a corresponding plurality of second conductive patterns on a surface of the other conductive thin film using an anti-etching ink, each of the first conductive patterns and an opposite one of the second conductive patterns defining a separate and distinct resonant circuit, each of the first and second conductive patterns respectively containing one element of a capacitor which corresponds to a distinct resonant frequency of a separate resonant circuit and another element of the capacitor which corresponds to the distinct resonant frequency of the separate resonant circuit, etching the conductive thin films to remove non-printed portion of the conductive films, and forming LC resonant circuits by selectively electrically connecting the one and the other capacitor elements of at least two of the first conductive and second conductive patterns.

REFERENCES:
patent: 3720940 (1973-03-01), Fox et al.
patent: 3913219 (1975-10-01), Lichtblau
patent: 3938044 (1976-02-01), Lichtblau
patent: 3967161 (1976-06-01), Lichtblau
patent: 4021705 (1977-05-01), Lichtblau
patent: 4717438 (1988-01-01), Benge et al.
patent: 4727360 (1988-02-01), Ferguson et al.
patent: 4752680 (1988-06-01), Larsson

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