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Rectangular wide slit Minkowski split antenna for RFID system

A technology of radio frequency identification system and fractal antenna, which is applied in the direction of antenna, resonant antenna, radiation element structure, etc., to achieve the effect of large bandwidth, simple structure and good radiation characteristics

Inactive Publication Date: 2009-03-11
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the technology of combining ceramic substrate, rectangular wide slot structure and Minkowski fractal antenna and applying it in the RFID system in the 2.4-2.4835GHz working frequency band.

Method used

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  • Rectangular wide slit Minkowski split antenna for RFID system
  • Rectangular wide slit Minkowski split antenna for RFID system
  • Rectangular wide slit Minkowski split antenna for RFID system

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with embodiments and accompanying drawings.

[0027] see figure 2 and 3 , the present invention is provided with double-sided silver-plated ceramic substrate 1, both sides of ceramic substrate are all provided with silver-plated layer, one side silver-plated layer of ceramic substrate is Minkowski fractal antenna radiation patch 2, the other side of ceramic substrate is plated The silver layer is the antenna ground layer, and the antenna ground layer is etched with a rectangular wide slit structure 3 .

[0028] The relative permittivity of the ceramic substrate 1 is 15. The ceramic substrate 1 is a rectangular (square) substrate with a side length of 30mm±1mm and a thickness of 2.0mm±0.05mm.

[0029] The structural shape of the Minkowski fractal antenna radiation patch 2 is a structural shape formed by a second-order Minkowski fractal curve.

[0030] The 2nd order Minkowski fractal antenna radiati...

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Abstract

The invention relates to a rectangular wide-sew porcelain Minkowski fractal antenna used for a radio frequency recognition system, relating to a microstrip antenna. The invention provides the rectangular wide-sew porcelain Minkowski fractal antenna used for a radio frequency recognition system, which has small size, large bandwidth, low return loss and omnidirectional radiation characteristic. A porcelain baseplate is arranged, and both faces of the porcelain baseplate are provided with silver coatings, wherein the silver coating at one face of the porcelain baseplate is provided with a Minkowski fractal antenna radiating patch, the silver coating at the other face of the porcelain baseplate is an antenna grounding layer which is provided with a rectangular wide-sew structure, and antenna feed points are arranged on the Minkowski fractal antenna radiating patch.

Description

technical field [0001] The invention relates to a microstrip antenna, in particular to a rectangular wide-slot ceramic Minkowski fractal antenna for a radio frequency identification system. Background technique [0002] RFID is the abbreviation of Radio Frequency Identification in English. Radio frequency identification technology is a non-contact automatic identification technology realized by radio frequency communication that emerged in the 1990s. RFID tags have the characteristics of small size, large capacity, long life, and reusability. They can support fast reading and writing, non-visual identification, mobile identification, multi-target identification, positioning and long-term tracking management. Combined with other technologies, it can be used in logistics, manufacturing, public information services and other industries to achieve efficient management and operation and reduce costs. With the continuous improvement and maturity of security soft information-rela...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q9/16H01Q13/08
Inventor 游佰强林斌徐伟明周建华熊兆贤郑建森
Owner XIAMEN UNIV
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