MILLIMETER WAVE ANTENNA FOR DIAGONAL RADIATION
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United States of America Patent
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Issued Date -
May 18, 2017
app pub date -
Jan 26, 2016
filing date -
Nov 16, 2015
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Abstract
Disclosed is a millimeter wave antenna for diagonal radiation. A first metal layer and a second metal layer having a form of microstrip wire are coated on the bottom surface and at least a partial region of the top surface of a dielectric substrate, respectively. When viewed in a direction perpendicular to the top surface of the dielectric substrate, the second metal layer is covered by the first metal layer. The microstrip wire of the second metal layer may have a length of more than half of a wavelength of a RF signal. The long-wire antenna has a radiation pattern in upward diagonal direction when a signal to transmit is fed under a condition that the first metal layer is grounded. The form of the second metal layer may be a straight line, Y-shape, ψ-shape, or etc. An impedance matching metal layer may be added to the second metal layer.
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