CN112133997A - Graphene NFC tag antenna - Google Patents
Graphene NFC tag antenna Download PDFInfo
- Publication number
- CN112133997A CN112133997A CN202010954937.8A CN202010954937A CN112133997A CN 112133997 A CN112133997 A CN 112133997A CN 202010954937 A CN202010954937 A CN 202010954937A CN 112133997 A CN112133997 A CN 112133997A
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- CN
- China
- Prior art keywords
- graphene
- chip
- antenna
- assembly film
- conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 50
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 7
- 229920002799 BoPET Polymers 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- 229910052786 argon Inorganic materials 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 5
- -1 Graphite alkene Chemical class 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 238000010147 laser engraving Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
- H01Q1/368—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor using carbon or carbon composite
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Aerials (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a graphene NFC tag antenna which comprises a substrate, an antenna radiating body and a chip, wherein the antenna radiating body and the chip are both arranged on the substrate, the antenna radiating body is an antenna coil obtained by winding a high-conductivity graphene assembly film, the chip is connected with two ends of the antenna radiating body, and the chip is a near field communication chip. The manufacturing method of the high-conductivity graphene assembly film comprises the following steps: dropping the graphene oxide aqueous solution on the PET film to form a uniform coating, and drying to obtain a graphene assembly film; annealing the graphene assembly film at 1300 ℃ for 2h under an argon gas environment, then annealing at 2850 ℃ for 1h, and finally rolling and pressing under the pressure of 200MPa to obtain the high-conductivity graphene assembly film. The high-conductivity graphene assembly film has good conductivity after two times of high-temperature reduction treatment, and the conductivity of the high-conductivity graphene assembly film can reach 106S m‑1Assembled from highly conductive grapheneThe graphene NFC antenna prepared by the film is strong in corrosion resistance, good in flexibility and good in radiation characteristic.
Description
Technical Field
The invention relates to the field of graphene materials, in particular to a graphene NFC tag antenna.
Background
With the continuous emergence of multi-style, multi-functional NFC applications, NFC technology has gradually upgraded to an essential part of our lives. With the increase of various NFC applications, low-cost and environmentally friendly NFC antennas are also more and more in line with the needs of people. The graphene-based material has the potential of showing high conductivity and excellent flexibility, has the characteristics of rich raw material, environmental protection and low price, has the advantage of high physical and chemical stability, and is very suitable for manufacturing the NFC antenna.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a graphene NFC tag antenna.
The technical scheme for solving the technical problems is as follows:
graphite alkene NFC tag antenna, including base plate, antenna radiator and chip all set up on the base plate, the antenna radiator is the antenna coil who obtains by the coiling of high electrically conductive graphite alkene equipment membrane, the chip is connected with antenna radiator both ends, the chip is the near field communication chip.
Further, the manufacturing method of the high-conductivity graphene assembly film comprises the following steps:
and 2, annealing the graphene assembly film at 1300 ℃ for 2 hours in an argon gas environment, then annealing at 2850 ℃ for 1 hour, and finally rolling and pressing under the pressure of 200MPa to obtain the high-conductivity graphene assembly film.
Further, the thickness of the high-conductivity graphene assembly film is 22-26 μm.
The invention has the beneficial effects that: the high-conductivity graphene assembly film has good conductivity after two times of high-temperature reduction treatment, and the conductivity of the high-conductivity graphene assembly film can reach 106S m-1The graphene NFC antenna prepared from the high-conductivity graphene assembly film is high in corrosion resistance, good in flexibility and good in radiation characteristic.
Drawings
Fig. 1 is a schematic structural diagram of a graphene NFC tag antenna;
fig. 2 is a schematic flowchart of a method for debugging a graphene NFC tag antenna according to the present invention.
The list of parts represented by the various reference numbers in the drawings is as follows:
1. a substrate; 2. an antenna radiator; 3. chip and method for manufacturing the same
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
In the description of this patent, the terms "intermediate," "upper," "lower," "lateral," "longitudinal," and the like are used in an orientation or positional relationship that is indicated for convenience in describing the patent and to simplify the description, and should not be construed as limiting the patent.
As shown in fig. 1, graphene NFC tag antenna includes a substrate, an antenna radiator and a chip, where the antenna radiator and the chip are both disposed on the substrate, the antenna radiator is an antenna coil wound by a high-conductivity graphene assembly film, the chip is connected to two ends of the antenna radiator, and the chip is a near field communication chip.
As an embodiment, the method for manufacturing the high-conductivity graphene assembly film comprises the following steps:
and 2, annealing the graphene assembly film at 1300 ℃ for 2 hours in an argon gas environment, then annealing at 2850 ℃ for 1 hour, and finally rolling and pressing under the pressure of 200MPa to obtain the high-conductivity graphene assembly film.
As an embodiment mode, the thickness of the high-conductivity graphene assembly film is 25 μm, and the conductivity reaches 1.1 x 10^ conductivity6。
As shown in fig. 2, the method for debugging the graphene NFC tag antenna of the present invention includes the following steps:
(1) an NFC label antenna model based on a graphene film is built, and the influence of each physical parameter of an antenna on the electrical property of the antenna is researched;
(2) adjusting the relevant structural parameters of the antenna to adjust the equivalent inductance of the antenna to be matched with a specific chip;
(3) manufacturing the optimized NFC label based on the graphene film, and testing performance parameters such as equivalent inductance value, reading distance and the like;
(4) testing the mechanical stability, wearability and commercial feasibility of the manufactured NFC label based on the graphene film;
(5) analyzing a relation curve between the reading distance and the frequency and a relation curve between the equivalent inductance value and the frequency of the NFC tag antenna, and guiding the further optimization of the NFC tag according to the curves;
(6) the above route is repeated until the graphene film based NFC tag reaches the optimal radiation characteristic and reading distance.
The NFC label manufacturing process comprises the following steps: the NFC tag antenna is manufactured by a laser engraving machine (LPKF Protollaser S), a radiating body of the designed NFC tag antenna is engraved on a graphene assembly film pressed on PET by the laser engraving machine controlled by a computer, and conductive silver adhesive is used for completing bridging and chip binding.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. Graphite alkene NFC tag antenna, its characterized in that includes base plate, antenna radiation body and chip, and antenna radiation body and chip all set up on the base plate, the antenna radiation body is the antenna coil who obtains by the coiling of high electrically conductive graphite alkene equipment membrane, the chip is connected with antenna radiation body both ends, the chip is the near field communication chip.
2. The graphene NFC tag antenna according to claim 1, wherein the method for manufacturing the high-conductivity graphene assembly film comprises the following steps:
step 1, dropping a graphene oxide aqueous solution on a PET film to form a uniform coating, and drying to obtain a graphene assembly film;
and 2, annealing the graphene assembly film at 1300 ℃ for 2 hours in an argon gas environment, then annealing at 2850 ℃ for 1 hour, and finally rolling and pressing under the pressure of 200MPa to obtain the high-conductivity graphene assembly film.
3. The graphene NFC tag antenna of claim 1, wherein the highly conductive graphene assembly film has a thickness of 22-26 μ ι η.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954937.8A CN112133997A (en) | 2020-09-11 | 2020-09-11 | Graphene NFC tag antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010954937.8A CN112133997A (en) | 2020-09-11 | 2020-09-11 | Graphene NFC tag antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112133997A true CN112133997A (en) | 2020-12-25 |
Family
ID=73846208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010954937.8A Pending CN112133997A (en) | 2020-09-11 | 2020-09-11 | Graphene NFC tag antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112133997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208582A (en) * | 2021-04-01 | 2021-08-06 | 武汉理工大学 | Wireless wearable graphene angle sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105732038A (en) * | 2016-01-15 | 2016-07-06 | 东南大学 | Highly conductive flexible self-supported graphene film and preparation method thereof |
| CN107705871A (en) * | 2017-09-27 | 2018-02-16 | 武汉理工大学 | A kind of superelevation electrical conductivity large-size graphene film and frequency microwave device |
| CN207302118U (en) * | 2017-10-24 | 2018-05-01 | 深圳市前海胜马科技有限公司 | flexible near field communication tag |
| CN108011180A (en) * | 2017-11-24 | 2018-05-08 | 武汉理工大学 | A kind of preparation method of graphene antenna for mobile phone |
| CN110034388A (en) * | 2019-04-18 | 2019-07-19 | 浙江清华柔性电子技术研究院 | Antenna preparation method and antenna with it |
-
2020
- 2020-09-11 CN CN202010954937.8A patent/CN112133997A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105732038A (en) * | 2016-01-15 | 2016-07-06 | 东南大学 | Highly conductive flexible self-supported graphene film and preparation method thereof |
| CN107705871A (en) * | 2017-09-27 | 2018-02-16 | 武汉理工大学 | A kind of superelevation electrical conductivity large-size graphene film and frequency microwave device |
| CN207302118U (en) * | 2017-10-24 | 2018-05-01 | 深圳市前海胜马科技有限公司 | flexible near field communication tag |
| CN108011180A (en) * | 2017-11-24 | 2018-05-08 | 武汉理工大学 | A kind of preparation method of graphene antenna for mobile phone |
| CN110034388A (en) * | 2019-04-18 | 2019-07-19 | 浙江清华柔性电子技术研究院 | Antenna preparation method and antenna with it |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208582A (en) * | 2021-04-01 | 2021-08-06 | 武汉理工大学 | Wireless wearable graphene angle sensor |
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| PB01 | Publication | ||
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