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Flexible antenna sensor and preparation method thereof

A flexible antenna and sensor technology, applied in the field of sensors, can solve the problem of low sensitivity and achieve the effect of high sensitivity, high sensitivity and short time consumption

Pending Publication Date: 2022-04-29
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide a flexible antenna sensor and its preparation method, which aims to solve the problems of existing flexible sensors that require external circuits to transmit signals and have low sensitivity

Method used

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  • Flexible antenna sensor and preparation method thereof
  • Flexible antenna sensor and preparation method thereof
  • Flexible antenna sensor and preparation method thereof

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preparation example Construction

[0042] The second aspect of the embodiment of the present application provides a method for preparing a flexible antenna sensor. The preparation method comprises the following steps:

[0043] S10: providing a two-dimensional layered material and a substrate 12;

[0044] S20: Prepare a dispersion liquid containing a two-dimensional layered material, then apply the dispersion liquid on the substrate 12, and perform drying treatment to obtain the radiation layer 13;

[0045] S30: bonding the ground layer 11 on the surface of the substrate 12 away from the radiation layer 13 .

[0046] The preparation method of the flexible antenna sensor provided in the embodiment of the present application first prepares the two-dimensional layered material to form a dispersion, uses a mask to preset the pattern of the radiation layer 13 on the substrate 12, and then coats the dispersion on the substrate 12 After drying, the radiation layer 13 is obtained, and finally the ground layer 11 is bo...

Embodiment 1

[0057] This embodiment provides a flexible antenna sensor and a preparation method thereof.

[0058] The structure of the flexible antenna sensor provided by this embodiment is as follows: figure 1 As shown, it includes: a substrate 12 and a radiation layer 13 disposed on the substrate 12, and a ground layer 11 is provided on the surface of the substrate away from the radiation layer 13;

[0059] Wherein, the radiation layer 13 includes a radiation unit 131 and an integrally formed feeder unit 132, the radiation unit 131 is a circle with a radius of 12 mm, the feeder unit 132 is a rectangle with a length of 14 mm and a width of 0.4 mm, and the thickness of the radiation layer is 5 μm. The substrate is a rectangle with a length of 40 mm and a width of 40 mm, and a thickness of 500 μm; the radiation layer 13 is composed of a two-dimensional layered titanium carbide material.

[0060] The preparation method of the flexible antenna sensor provided in this embodiment comprises the...

Embodiment 2

[0068] This embodiment provides a flexible antenna sensor and a preparation method thereof.

[0069] The structure of the flexible antenna sensor provided by this embodiment is as follows: figure 1 As shown, it includes: a substrate 12 and a radiation layer 13 disposed on the substrate 12, and a ground layer 11 is provided on the surface of the substrate away from the radiation layer 13;

[0070] Wherein, the radiation layer 13 includes a radiation unit 131 and an integrated feeder unit 132, the radiation unit 131 is a circle with a radius of 9 mm, the feeder unit 132 is a rectangle with a length of 12.25 mm and a width of 0.3 mm, and the thickness of the radiation layer is 3 μm The substrate is a rectangle with a length of 35 mm and a width of 35 mm, and a thickness of 300 μm; the radiation layer 13 is composed of a two-dimensional layered titanium carbide material doped with graphene.

[0071] The preparation method of the flexible antenna sensor provided in this embodiment...

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Abstract

The invention relates to the technical field of communication antennas, and provides a flexible antenna sensor which comprises a substrate and a radiation layer arranged on the substrate, and the surface, away from the radiation layer, of the substrate is provided with a grounding layer; wherein the material of the radiation layer comprises a two-dimensional layered material. According to the flexible antenna sensor provided by the invention, the material of the radiation layer arranged on the substrate contains the two-dimensional layered material, so that the antenna sensor is endowed with flexible characteristics, flexible mechanical properties and reversible deformation performance, and can be widely applied to flexible scenes; secondly, the radiation layer made of the two-dimensional layered material can maintain relatively high conductivity in the strain generation process, and meanwhile, the conductivity of the radiation layer can be greatly changed due to slippage of the material on a micro scale, so that the resonant frequency of the antenna is obviously changed, and the antenna sensor is high in sensitivity and good in stability; in addition, when the antenna sensor is subjected to strain, the resonant frequency of the antenna sensor can be changed, strain information can be directly obtained, an external circuit is not needed, and the cost is low.

Description

technical field [0001] The application belongs to the technical field of sensors, and in particular relates to a flexible antenna sensor and a preparation method thereof. Background technique [0002] In recent years, flexible sensors have attracted widespread attention, especially in the application of human-centered wireless local area networks, which can monitor human motion and monitor human health data, such as heartbeat, pulse, blood oxygen content, etc. The development of wearable devices, such as smart watches, bracelets and glasses, meets people's needs for information interaction. With the leap of science and technology, people's safety awareness and attention to their own health are getting higher and higher. , and with the deepening of people's research on wearable devices, the ownership rate of smart wearable devices will further increase, and it will also be widely used in other scenarios, such as medical monitoring, emergency connection, telemedicine and other...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q1/08H01Q1/27H01Q1/48H05K3/12G01B21/32
CPCH01Q1/38H01Q1/085H01Q1/273H01Q1/48H05K3/12G01B21/32
Inventor 魏军尹奥赵维巍张晨
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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