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Liquid crystal phase shifter, liquid crystal antenna and manufacturing method of liquid crystal phase shifter
Liquid crystal phase shifter, liquid crystal antenna and manufacturing method of liquid crystal phase shifter
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机译：液晶移相器，液晶天线及液晶移相器的制造方法
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摘要
The present invention relates toLiquid crystal phase shifterThe liquid crystal phase shifter comprisesThe first substrate and the second substrate facing each otherA liquid crystal layer is disposed between the first substrate and the second substrateOn one side of the first substrate toward the second substrateA first metal film layer was installed.On one side of the second substrate toward the first substrateA second metal film layer was installed.The first metal film layer and the second metal film layer are both patterned metal film layers;The first and second substrates are PCB substrates.The present invention further provides a liquid crystal antenna comprising the liquid crystal phase shifter and the antenna radiation unit.The present invention further provides a method of manufacturing a liquid crystal phase shifter for manufacturing the liquid crystal phase shifter.In the case of ultra high frequency radio communication, the dielectric loss and the dielectric loss value of the substrate material are larger and the dielectric loss is large and the signal is poor.In this application, since the PCB substrate is used as the substrate of the liquid crystal antenna, the dielectric constant and dielectric loss of the PCB substrate are lower than that of the glass substrate commonly used in the liquid crystal panel, the dielectric loss becomes smaller, and the performance of the liquid crystal antenna in the high frequency band use is advantageous.
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