Method of making a series of resonant frequency tags

Details Method of making a series of resonant frequency tags Method of making a series of resonant frequency tags

2005-08-09

2005-08-09

Kim, Paul D (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S025420, C029S593000, C029S605000, C029S606000, C029S846000, C029S850000, C174S260000, C174S261000, C324S633000, C324S652000, C324S655000, C324S656000, C336S176000, C336S200000, C336S229000, C340S572100, C340S572500, C427S079000, C427S080000, C361S737000, C361S760000, C361S765000, C361S766000

Reexamination Certificate

active

06925701

ABSTRACT:
A method of making a resonant frequency tag which resonates at a predetermined frequency. The method involves providing a first conductive pattern having an inductive element and a first land and a second conductive pattern having a second land and a third land which are joined together by a link. The second conductive pattern is overlaid the first conductive pattern such that the second land is positioned over the first land. The third land is in electrical communication with the inductive element of the first conductive pattern. The formed resonant frequency tag is energized to determine if the tag resonates at the predetermined frequency. If the tag resonates properly, the third land is electrically coupled to the inductive element. If it does not, the second conductive pattern is adjusted so that overlapping portions of the first and second lands are changed, altering the capacitance to adjust the resonant tag frequency.

REFERENCES:
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patent: 6133834 (2000-10-01), Eberth et al.
patent: 2002270916 (2002-09-01), None
“Magnetic arrays and their resonant frequencies for the production of binary codes”; Schrott, A.G.; von Gutfeld, R.J.; Magnetics IEEE Transactions on , vol. 34 , Issue: Sep. 5, 1998 pp. 3765-3771.

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