Flat electric coil

Details Flat electric coil Flat electric coil

1980-01-07

1982-01-26

Kozma, Thomas J.

Electricity: electrical systems and devices

Miscellaneous

336200, 336232, H05K 116, H01F 500

Patent

active

043131522

ABSTRACT:
A miniaturized electric coil having a low self-capacitance comprises a bottom conductor pattern provided on a substrate, an insulating intermediate layer and a top conductor pattern which is connected to the bottom conductor pattern via windows in the intermediate layer. The bottom and top conductor layers each comprise n single spiral-like paths. The inner end of the first spiral of the bottom conductor layer contacts the outer end of the first spiral of the top conductor layer, while the inner end of the first spiral of the top conductor layer in its turn contacts the outer end of the second spiral of the bottom conductor layer, and so on.

REFERENCES:
patent: 3431144 (1969-03-01), Yawata et al.
patent: 3483499 (1969-12-01), Lugten
patent: 3765082 (1973-10-01), Zyetz
patent: 3798059 (1974-03-01), Astle et al.
patent: 3812442 (1974-05-01), Muckelroy
patent: 4201965 (1980-05-01), Onushkevych
Altmann et al., IBM Technical Disclosure Bulletin, Printed Delay Line, vol. 8, No. 5, Oct. 1965, pp. 741, 742.

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