CN201483840U - Novel self-adhesive RFID wave-absorbing material - Google Patents
Novel self-adhesive RFID wave-absorbing material Download PDFInfo
- Publication number
- CN201483840U CN201483840U CN2009201944518U CN200920194451U CN201483840U CN 201483840 U CN201483840 U CN 201483840U CN 2009201944518 U CN2009201944518 U CN 2009201944518U CN 200920194451 U CN200920194451 U CN 200920194451U CN 201483840 U CN201483840 U CN 201483840U
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- absorbing material
- wave
- electronic tag
- rfid
- rfid electronic
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a novel self-adhesive RFID wave-absorbing material. The self-adhesive RFID wave-absorbing material is formed by a release paper layer, a first double-side glue layer, a first electromagnetic wave-absorbing material, a second double-side glue layer and a second electromagnetic wave-absorbing layer which are laminated in sequence from bottom to top and are pressed by a laminating machine under normal temperature; the novel self-adhesive RFID wave-absorbing material has simple manufacturing procedure, easy control of process, low price, good stability, small thickness, and high magnetic conductivity; and when in use, the release paper layer is torn off, the wave-absorbing material is stuck on the surface of a metal object, then a RFID electronic tag is stuck on the wave-absorbing material, the use is convenient, and the antijamming capability of the RFID electronic tag can be improved, thus prolonging the identification distance of the RFID electronic tag and widening the application occasions of the RFID electronic tag. The novel self-adhesive RFID wave-absorbing material is especially suitable for normal identification of the RFID electronic tag with low price on the metal object, and is beneficial to promotion and application of the RFID electronic tag.
Description
Technical field
The utility model relates to the electromagnetic material of a kind of absorption, and particularly a kind of anti-interference field of RFID electronic tag that is applied to absorbs the electromagnetic absorbing material of 10～200MHz high band.
Background technology
Along with rfid system is used more and more in all trades and professions, the RFID electronic tag is because of being interfered, and the communicating interrupt between the card reader and the problem that can't discern highlight day by day, especially the electronic tag that on some hardwares, uses, as: boiler label, big-and-middle-sized elevator annual inspection mark label, pressure vessel steel cylinder annual inspection label, cylinder for liquefied gas label, logistics container tag etc.Because these RFID electronic tags all are the directly sticking surfaces that is posted on metal object, metal object surface can produce reflection and refraction to electromagnetic wave signal, the RFID electronic tag is when receiving the incident electromagnetic wave signal of launching from the front card reader, also can receive reflection and refracted wave interfering signal from the back metal object surface, interference electric wave that this phase place is opposite and incident electromagnetic wave stack, the incidence wave energy that makes label itself receive weakens greatly, cause the label receiving sensitivity to decline to a great extent, if the interference strength of this back wave reaches or near 50% when above of incidence wave intensity, the direct result that causes is, shorten dramatically but stick on the electronic tag of metal object surface and the operating distance of read write line, even can't carry out the read-write identification of label information.
In order to reduce and even overcome reflection of electromagnetic wave and the refraction interference that this RFID electronic tag is subjected in the metal object surface use, improve the discrimination of electronic tag, increase the decipherment distance of electronic tag, the way of prior art is to place or paste the absorbing material of one deck homalographic between RFID electronic label antenna and metal object, pass the incidence wave of absorbing material in order to prevention and absorption, also stop simultaneously and absorbs by metal object surface reflection and refraction interference electromagnetic wave energy to electronic tag, the interfering energy that absorbing material absorbs causes magnet loop resonance and loop eddy-current loss, at last the form with heat loses, and metal table body is effectively stoped the disturbing wave of electronic tag and absorbs.But existing application is in the absorbing material of RFID electronic tag, and the ubiquity production process is loaded down with trivial details, and complex process, and selling at exorbitant prices are unfavorable for promoting the use of, and defective such as wave-absorbing effect difference.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides that a kind of production process is simple, process is easy to control, cheap, be convenient to promote the use of, wave-absorbing effect obviously, good stability, novel adhesive sticker RFID absorbing material that thickness is little.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of novel adhesive sticker RFID absorbing material, it is suppressed at normal temperatures through laminating machine by the off-style paper layer that stacks gradually from bottom to top, first layers of two-sided, first electromagnetic wave absorbing layer, second layers of two-sided and second electromagnetic wave absorbing layer and forms.
As further improvement of the utility model, described first electromagnetic wave absorbing layer and second electromagnetic wave absorbing layer are for evenly being coated in the magnetic on first layers of two-sided and second layers of two-sided respectively.
The beneficial effects of the utility model are: absorbing material of the present utility model is by the off-style paper layer that stacks gradually from bottom to top, first layers of two-sided, first electromagnetic wave absorbing layer, second layers of two-sided and second electromagnetic wave absorbing layer are suppressed at normal temperatures through laminating machine and are formed, its production process is simple, process is easy to control, cheap, good stability, thickness is little, the magnetic conductivity height, obvious to frequency in the electro-magnetic wave absorption effect of 10～200MHz, can absorb and decay by the spuious electromagnetic wave energy of space incident, and convert it into the energy of other form, to reach the purpose that reduces or eliminate the spurious reflections ripple.Tear off-style paper layer during use, this absorbing material is sticked on metal object surface, then the RFID electronic tag is sticked on this absorbing material, antijamming capability easy to use, as to improve the RFID electronic tag, thereby prolong the decipherment distance of RFID electronic tag, widen the application scenario of RFID electronic tag, be particularly suitable for the cheap normal identification of RFID electronic tag on metal object, helped applying of RFID electronic tag.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
With reference to Fig. 1, a kind of novel adhesive sticker RFID absorbing material, it is suppressed at normal temperatures through laminating machine by the off-style paper layer 1, first layers of two-sided 21, first electromagnetic wave absorbing layer 31, second layers of two-sided 22 and second electromagnetic wave absorbing layer 32 that stack gradually from bottom to top and forms, the compacting back forms an integral body, thereby produces the RFID absorbing material of excellent performance.
Described first electromagnetic wave absorbing layer 31 and second electromagnetic wave absorbing layer 32 are for evenly being coated in magnetic conductivity excellence, the saturation magnetization height on first layers of two-sided 21 and second layers of two-sided 22 respectively, the nanoscale high-quality magnetic that frequency characteristic is good has and can absorb polarizers of big angle scope incidence wave and good wideband wave arrestment characteristic.Change the material of electromagnetic wave absorbing layer or change its thickness, can change different frequency absorption of electromagnetic wave rate.
Concrete manufacturing process is to paste one deck double faced adhesive tape on off-style paper layer, on double faced adhesive tape, evenly apply the very thin magnetic of one deck, place second layer double faced adhesive tape again, coating second layer magnetic, then, suppress a period of time at normal temperatures through laminating machine, it is as a whole that it is composed, thickness after the moulding is about 0.10mm between the 0.50mm, its production process is simple, process is easy to control, cheap, good stability, thickness is little, the magnetic conductivity height, obvious to frequency in the electro-magnetic wave absorption effect of 10～200MHz, can absorb and decay by the spuious electromagnetic wave energy of space incident, and convert it into the energy of other form, to reach the purpose that reduces or eliminate the spurious reflections ripple.Tear off-style paper layer during use, this absorbing material is sticked on metal object surface, then the RFID electronic tag is sticked on this absorbing material, easy to use, the antijamming capability of electronic tag be can improve, thereby the decipherment distance of RFID electronic tag, the application scenario of having widened the RFID electronic tag prolonged, be particularly suitable for the cheap normal identification of RFID electronic tag on metal object, help applying of RFID electronic tag.
Above two-layer layers of two-sided, two-layer electromagnetic wave absorbing layer structure are a preferred embodiment of the present utility model; but; the utility model is not limited to above-mentioned illustration; any improvement or distortion that protection domain of the present utility model is done more should not constitute any restriction of the present utility model, as long as all should belong within the scope of the utility model claim opinion protection.
Claims (2)
1. novel adhesive sticker RFID absorbing material is characterized in that it is suppressed through laminating machine at normal temperatures by the off-style paper layer that stacks gradually (1), first layers of two-sided (21), first electromagnetic wave absorbing layer (31), second layers of two-sided (22) and second electromagnetic wave absorbing layer (32) from bottom to top to form.
2. a kind of novel adhesive sticker RFID absorbing material according to claim 1 is characterized in that described first electromagnetic wave absorbing layer (31) and second electromagnetic wave absorbing layer (32) are for evenly being coated in the magnetic on first layers of two-sided (21) and second layers of two-sided (22) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201944518U CN201483840U (en) | 2009-09-10 | 2009-09-10 | Novel self-adhesive RFID wave-absorbing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201944518U CN201483840U (en) | 2009-09-10 | 2009-09-10 | Novel self-adhesive RFID wave-absorbing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483840U true CN201483840U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201944518U Expired - Fee Related CN201483840U (en) | 2009-09-10 | 2009-09-10 | Novel self-adhesive RFID wave-absorbing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201483840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152852A1 (en) * | 2016-03-11 | 2017-09-14 | Zheng Shi | System and method of detection of object made with electrically poorly conductive material |
| CN107784345A (en) * | 2017-11-27 | 2018-03-09 | 永道无线射频标签(扬州)有限公司 | A kind of Curved surface metal RFID label tag |
-
2009
- 2009-09-10 CN CN2009201944518U patent/CN201483840U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152852A1 (en) * | 2016-03-11 | 2017-09-14 | Zheng Shi | System and method of detection of object made with electrically poorly conductive material |
| CN107784345A (en) * | 2017-11-27 | 2018-03-09 | 永道无线射频标签(扬州)有限公司 | A kind of Curved surface metal RFID label tag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120910 |