发明名称 Method for producing electric resonant circuits, particulary resonance-tag
摘要 <p>In the production of resonance tags, a coil in the form of a spiral (2) and a first capacitor surface (3), lying adjacent to the innermost winding of the spiral, and furthermore an additional surface (4), adjacent to the outer end of the spiral (2), are produced on only one side of a carrier film (1), from the aluminium foil existing thereon, by etching methods. On the other side of the carrier film (1), an aluminium foil strip (5) is sealed on in a superimposed position with respect to the first capacitor surface (3), some of the windings of the spiral (2) and the additional surface (4). This forms the second capacitor surface and, after production of an electrical connection between this strip (5) and the additional surface (4) on the other side, an electrical resonant circuit is formed. The use of the sealed-on aluminium foil strip (5) reduces the use of the etching method to only one side, with the advantage that significantly less toxic etching sediment is produced. …<IMAGE>… </p>
申请公布号 EP0473970(B1) 申请公布日期 1996.11.13
申请号 EP19910113457 申请日期 1991.08.10
申请人 KOBE PROPERTIES LIMITED 发明人 PICHL, FRITZ
分类号 H01F27/00;G01V15/00;G08B13/24;H01G4/40;H03H5/02;H05K1/16;(IPC1-7):G08B13/24 主分类号 H01F27/00
代理机构 代理人
主权项
地址