Miniaturized position sensor having photolithographic coils for tracking a medical probe
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United States of America Patent
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Mar 13, 2001
Grant Date -
N/A
app pub date -
Sep 24, 1998
filing date -
Oct 7, 1997
priority date (Note) -
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Abstract
A miniature coil assembly for transmitting or receiving magnetic waves comprises a plurality of coils wherein each coil has a respective axis. The coil assembly is assembled such that at least two of the axes are mutually linearly independent, and such that all of the plurality of coils are contained within a volume having a cross-sectional area less than 1.0 mm.sup.2. At least two of the coils are photolithographic coils.
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