Non-invasive quarter wavelength microwave applicator for hyperthermia treatment
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United States of America Patent
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-
Jun 12, 1990
Grant Date -
N/A
app pub date -
Oct 7, 1988
filing date -
Oct 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A printed circuit board structure fabricated to define a plurality of quarter wavelength microstrip antennas, each radiating microwave energy in a dipole pattern. The ends of the microstrip antennas are formed overlapping the ends of adjacent microstrip antennas so that a resultant additive effect of the radiated microwave energy is exhibited near the ends of the antennas. The overall effect is to produce a more uniform radiation pattern which does not have the typical radiation minima located at the ends of the dipole antennas.
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