Method for forming a spiral inductor

Details Method for forming a spiral inductor Method for forming a spiral inductor

2005-07-26

2005-07-26

Kim, Paul D (Department: 3729)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C029S602100, C029S603130, C029S603140, C029S603150, C029S603160, C029S606000, C029S609000, C257S531000, C336S065000, C336S083000, C336S223000, C336S232000, C427S127000, C427S128000

Reexamination Certificate

active

06922128

ABSTRACT:
A method for forming a spiral inductor (11) or component of a transformer, compatible with very large scale integrated processing, that achieves a higher Q value without occupying more space by splitting at least one turn (13 51) as two or more crisscrossing or interwoven smaller-width turns (13a13b52 53 54 55). The at least one turn (51) may, for example, be split into four turns paired up to provide two pairs of two turns, and the turns of each pair may then be interwoven or crisscrossed, and then the two pairs may also be interwoven or crisscrossed. The splitting of a turn into two or more smaller-width turns results in the current being divided among the smaller-width turns.

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“Nanoliter volume, high-resolution NMR microspectroscopy using a 60-μm planar microcoil”; Stocker, J.E.; Peck, T.L.; Webb, A.G.; Feng, M.; Magin, R.L.; Biomedical Engineering, IEEE Transactions on , vol.: 44 , Issue: 11 , Nov. 1997; pp.:1122 1127.

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