A miniaturized omnidirectional uhf-rfid tag antenna and its preparation method
A technology of UHF-RFID and tag antenna, which is applied in chemical/electrolytic methods to remove conductive materials, antennas, resonant antennas, etc., can solve the problems of applicable scene constraints, affecting reading accuracy, etc. Gain and Omnidirectionality, Size Reduction Effects
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Embodiment 2
[0074] This embodiment provides a method for preparing the aforementioned miniaturized omnidirectional UHF-RFID tag antenna, which includes the following steps:
[0075] (1) Prepare the dielectric substrate 3, the antenna chip 1, and the conductive metal paste respectively;
[0076] (2) Calculate the position of the closed inner loop 61 in the horizontal direction of the middle horizontal bending section 512 according to the required operating frequency;
[0077] (3) The conductive metal paste is printed on the medium at one time according to the shape, position and size of the tapered Meander T-match impedance matching network 4, the antenna arm 5 and the radiation patch Tip-Loading6 in the radiation antenna 2 by the printing method. The outer surface of the substrate 3 is dried and shaped;
[0078] (4) Solder the antenna chip 1 on the conical Meander T-match impedance matching network 4 to obtain a miniaturized omnidirectional UHF-RFID tag antenna.
[0079] The miniaturize...
Embodiment 3
[0081] This embodiment provides the aforementioned preparation method of the miniaturized omnidirectional UHF-RFID tag antenna, which includes the following steps:
[0082] (1) Prepare the dielectric substrate 3, the antenna chip 1, and the conductive metal foil respectively;
[0083] (2) Calculate the position of the closed inner loop 61 in the horizontal direction of the middle horizontal bending section 512 according to the required operating frequency;
[0084] (3) Lay the conductive metal foil on the outer surface of the dielectric substrate 3 by the etching method, according to the shape, position and size, one-time printing paint on the metal foil on the outer surface of the dielectric substrate 3, and then corroding the foil, degreasing, drying, and spraying insulating paint;
[0085] (4) Solder the antenna chip 1 on the conical Meander T-match impedance matching network 4 to obtain a miniaturized omnidirectional UHF-RFID tag antenna. The antenna chip 1 is soldered i...
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