Multiple layer inductor and method of making the same

Details Multiple layer inductor and method of making the same Multiple layer inductor and method of making the same

2005-01-25

2005-01-25

Nguyen, Tuyen T. (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S083000, C336S08400R, C336S08400R, C336S232000

Reexamination Certificate

active

06847282

ABSTRACT:
A multiple layer inductor has a first spiral conductive pattern disposed on a first surface; a second spiral conductive pattern disposed on a second surface; a continuing interconnection coupled to the first and second spiral conductive patterns; an interface coupled to the first and second spiral conductive patterns; and a conductive shield pattern disposed on a third surface that is adjacent to the second surface. The interface includes a first terminal disposed on the first surface that is coupled to the first spiral conductive pattern. The interface also includes a second terminal that is disposed on the first surface and coupled to said second spiral conductive pattern.

REFERENCES:
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patent: 5612660 (1997-03-01), Takimoto
patent: 0 991 088 (2000-04-01), None
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patent: 62-152111 (1987-07-01), None
Copy of Partial European Search Report from European Patent Appl. No. 02257226.7-2208, 4 pages (Feb. 7, 2003).
Abstract for Japanese Publication No. 04103209, Patent Abstracts of Japan European Patent Office, 1 page (Date of publication of application—Apr. 6, 1992).
Lee, T.H.,The Design of CMOS Radio-Frequency Integrated Circuits, Cambridge University Press, pp. 48-49 (1998), no month.
Wheeler, H.A., “Simple Inductance Formulas for Radio Coils,”Proceedings of the Institute of Radio Engineers, vol. 16, No. 1, pp. 1398-1400 (Oct. 1928).

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