Microfluid-controlled frequency adjustable microstrip patch antenna
A microstrip patch antenna and microfluidic technology, applied in the field of communication, can solve problems such as electrical breakdown, nonlinearity, and power loss, and achieve the effect of increasing the effective dielectric constant
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[0019] In the embodiment of the present invention, the antenna includes two substrates arranged oppositely and a microfluidic channel into which microfluid can be injected. One of the substrates is provided with a radiation unit in the form of a patch, and the copper clad on the other substrate serves as a reflective ground. The feeding structure vertically penetrates the two substrates and feeds the radiation unit, the microfluidic channel is arranged between the two substrates and is located in the electric field distribution area corresponding to the radiation unit, and the microfluidic channel and the feeding The midplane of the radiation unit where the electrical structure is located is vertical. Based on this structure, when the microfluidic channel is injected into the microfluidic channel, the effective dielectric constant between the radiation unit and the reflective ground can be affected. By setting the position of the microfluidic channel in the electric field distri...
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