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International Journal of Antennas and Propagation
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International Journal of Antennas and Propagation
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2015
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Article
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Fig 14
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Research Article
Sub-Millimeter-Wave 10 dB Directional Coupler Based on Micromachining Technique
Figure 14
Measured results of the straight waveguide with length of 5.5 mm fabricated using the same DRIE process.