Inductor devices – Coil or coil turn supports or spacers – Printed circuit-type coil
Patent
1997-12-10
2000-09-26
Gellner, Michael L.
Inductor devices
Coil or coil turn supports or spacers
Printed circuit-type coil
336223, 336232, 29604, H01F 500, H01F 2728
Patent
active
061247790
ABSTRACT:
A multilayer-type inductor manufacturing method is provided which is capable of easily obtaining inductors having many different inductance values even if the pattern of a coil conductor is not changed for each inductance value. The coil conductor includes a line section of a predetermined pattern, a viahole connected at the end of the line section, and a pad. The viahole and the pad have a width greater than that of the line section and have an elongated shape. By deviating adjacent coil conductors in the direction of the length of the viahole and the pad, the inner area of a coil formed of the coil conductors is increased or decreased, thus varying the inductance value of an inductor.
REFERENCES:
patent: 3812442 (1974-05-01), Muckelroy
patent: 5153859 (1992-10-01), Chatigny et al.
patent: 5392019 (1995-02-01), Ohkubo
Gellner Michael L.
Mai Anh
Murata Manufacturing Co. Ltd.
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