Conductive trace with reduced RF impedance resulting from...

Details Conductive trace with reduced RF impedance resulting from... Conductive trace with reduced RF impedance resulting from...

2005-02-08

2005-02-08

Lee, Eddie (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Combined with electrical contact or lead

Of specified material other than unalloyed aluminum

C257S758000, C257S531000, C257S296000, C257S306000, C257S532000, C257S624000, C257S528000, C257S760000, C257S664000, C438S118000, C336S180000

Reexamination Certificate

active

06853079

ABSTRACT:
The radio frequency (RF) impedance of a metal trace at gigahertz frequencies is reduced by forming the metal trace to have a base region and a number of fins that extend away from the base region. When formed in a spiral configuration having a number of loops, the metal trace forms an inductor with an increased quality factor (Q).

REFERENCES:
patent: 3573540 (1971-04-01), Osepchuk
patent: 4165558 (1979-08-01), Armitage, Jr. et al.
patent: 5434094 (1995-07-01), Kobiki et al.
patent: 5952704 (1999-09-01), Yu et al.
patent: 5998299 (1999-12-01), Krishnan
patent: 6191023 (2001-02-01), Chen
patent: 6326673 (2001-12-01), Liou
patent: 6362012 (2002-03-01), Chi et al.
patent: 6444517 (2002-09-01), Hsu et al.

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