G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 13/24 (2006.01) G01V 3/10 (2006.01) G01V 15/00 (2006.01) H03H 9/24 (2006.01)
Patent
CA 2153022
A circuit-like metallic foil sheet for resonant tags and the like, and a process for fabricating the same. The circuit-like metallic foil sheet is fabricated by a process comprising: fabricating a laminate by adhering, to a carrier sheet such as a paper or a plastic film, a metallic foil whose surface is coated with hot-melt adhesive resin film, using an adhesive whose adhesion force decreases by heating; stamping out the metallic foil of the laminate to provide a predetermined circuit-like pattern using a stamping die; superposing the metallic foil side of the laminate on a support such as a plastic film; and transferring the circuit- like metallic foil to the surface of the support by heating the circuit-like pattern from the support side or the carrier sheet side. The process may be used to produce a circuit board comprising a resonant circuit or a printed wiring circuit with high precision without employing an etching process in which chemicals are used.
Borden Ladner Gervais Llp
Kabushiki Kaisha Miyake
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