CN102372120B - Metal foil paper using as radio frequency identification device (RFID) label - Google Patents

Metal foil paper using as radio frequency identification device (RFID) label Download PDF

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Publication number
CN102372120B
CN102372120B CN201010254403.0A CN201010254403A CN102372120B CN 102372120 B CN102372120 B CN 102372120B CN 201010254403 A CN201010254403 A CN 201010254403A CN 102372120 B CN102372120 B CN 102372120B
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China
Prior art keywords
metal foil
described
layer
rfid
antenna
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CN201010254403.0A
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Chinese (zh)
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CN102372120A (en
Inventor
姜文波
王刚
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酷标物联科技无锡有限公司
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Publication of CN102372120A publication Critical patent/CN102372120A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/80Packaging reuse or recycling
    • Y02W30/801Technologies specific to multilayer packaging

Abstract

The invention discloses a metal foil paper using as a radio frequency identification device (RFID) label, a production method thereof and a packaging box, wherein the metal foil paper is used for wrapping objects, and comprises a base plate layer, a metal foil layer and an RFID chip, the metal foil layer and the base plate layer are laminated together, an antenna gap is arranged on the metal foil layer to form an identification antenna, and the RFID chip is arranged on the antenna gap or on a part which is right opposite to the base plate layer and the antenna gap, and is electrically connected with the metal foil layer. The production method is that: the antenna gap which is used for the identification antenna of the RFID label is arranged on the metal foil layer; and the RFID chip is arranged on the antenna gap or on the part which is right opposite to the base plate layer and the antenna gap. The metal foil paper can be also used as the RFID label, and has good directionality in identification after wrapping the objects; the metal foil paper is torn off for use, i.e. the RFID label is physically damaged, and cannot be recycled, so the anti-counterfeiting effect is better; and the original materials are fully used, so the cost is saved.

Description

Double as the metal foil paper of RFID label tag

Technical field

The present invention relates to RFID (radio frequency identification, RF identification) technical applications, particularly relate to a kind of double as RFID label tag metal foil paper and manufacture method thereof and comprise the packing box of this metal foil paper.

Background technology

RFID technique is one and utilizes radiofrequency signal to carry out contactless two way communication, automatically identifies object and obtains the wireless communication technology of relevant information data.Along with the progress of science and technology, RFID has related to the various aspects of people's daily life, be widely used in the various fields such as automation of industry, business automation, communications and transportation control and management, the traffic surveillance and control system, Auto Express-way Toll Collector System, Item Management, production line balance automation, gate control system, financial transaction, warehousing management, livestock management, vehicle anti-theft, antifalsification label etc. of such as train, RFID technique will become a supporting technology of Future Information social construction.

Radio-frequency recognition system (is commonly called as electronic tag by RFID label tag, comprise and identify antenna and RFID chip) form with rfid interrogator, its working process is: rfid interrogator is produced the electromagnetic wave of characteristic frequency and sent (puing question to signal also referred to as transmission) by the mode of Space Coupling, when rfid interrogator enters the reading distance of RFID label tag, RFID label tag is by identifying that antenna receives this enquirement signal, rfid interrogator (namely replying acknowledge signal) is returned to after the electromagnetic wave that rfid interrogator sends is carried out backscattering coupling, the information stored in RFID chip is by rfid interrogator identification.The kind of current identification antenna mainly contains three kinds: coil antenna, slit antenna and dipole antenna, selects different types of identification antenna according to different frequency ranges and application scenario.

Planar security mark (such as bar code, Quick Response Code or laser anti-counterfeit pattern etc.) that present stage uses does not possess uniqueness and exclusivity, transreplication, is difficult to play real anti-fake effect.Therefore progressively replace by RFID label tag.

For cigarette anti-counterfeit, in prior art, RFID label tag generally can stick on a face of cigarette case by cigarette producers, RFID label tag usually by dielectric base plate, lay antenna on the dielectric substrate and the chip be electrically connected on antenna forms, wherein the cost of dielectric base plate and antenna is about 70% of RFID label tag, and chip only accounts for 30%.But mode RFID label tag directly sticked on cigarette case face also exists following problem:

1, being used for the aluminium foil paper of protection against the tide and protection or masking foil (metal foil paper) in cigarette case can cause harmful effect to the reading distance between rfid interrogator and RFID label tag;

2, RFID label tag only sticks on one face, and directivity difference during reading can be caused just can only to read in specific region;

3, the RFID label tag directly sticked on cigarette case face can be carried out recycling to fake;

4, the high cost of dielectric base plate and antenna, the cost that cigarette producers introduces RFID technique in cigarette manufacture and the field of circulation will increase greatly.

Summary of the invention

In order to solve the problems referred to above of prior art, the object of this invention is to provide and a kind ofly can improve directivity characteristic, the metal foil paper doubling as RFID label tag that can not recycle easily and manufacture method thereof and comprise the packing box of this metal foil paper.

To achieve these goals, the invention provides a kind of metal foil paper doubling as RFID label tag, for being coated on outside article, comprise substrate layer, metal foil layer and RFID chip, described metal foil layer and described substrate layer laminated together, described metal foil layer offers antenna slots, described metal foil layer and the antenna slots that it is offered form and identify antenna, described RFID chip is located in described antenna slots or on described substrate layer and the just right position of described antenna slots, and is electrically connected with described metal foil layer.

As preferably, described metal foil layer is aluminium foil layer, copper foil layer or tinfoil paper layer, and described substrate layer is internal lining paper.

As preferably, described antenna slots is by cutting out, cutting or etching technics is formed.

As preferably, described RFID chip is electrically connected with described metal foil layer by pasting or be bundled in described antenna slots.

As preferably, described RFID chip is by pasting or being bundled on described substrate layer and the just right position of described antenna slots and being electrically connected with described metal foil layer.。

As preferably, at least one end of described antenna slots is T-shaped.

To achieve these goals, present invention also offers a kind of manufacture method doubling as the metal foil paper of RFID label tag, comprising:

Metal foil layer is offered the antenna slots of the identification antenna for RFID label tag;

By described metal foil layer and substrate layer laminated together;

RFID chip is located in described antenna slots or described substrate layer the position just right with described antenna slots on.

To achieve these goals, present invention also offers a kind of packing box, comprise shell and be located at the metal foil paper for for covering articles with in described shell, described metal foil paper comprises substrate layer, metal foil layer and RFID chip, described metal foil layer and described substrate layer laminated together, described metal foil layer offers antenna slots, described metal foil layer and the antenna slots that it is offered form and identify antenna, described RFID chip is located in described antenna slots or on described substrate layer and the just right position of described antenna slots, and is electrically connected with described metal foil layer.

As preferably, described shell is cuboid packing box.

As preferably, form at least two different faces after described metal foil paper for covering articles with, described antenna slots is positioned at one of them face or crosses at least two faces.

As preferably, described metal foil layer is provided with tear line, and described metal foil layer is divided into reserved area and removes district by described tear line, and described antenna slots crosses over described tear line.

As preferably, described RFID chip is located in part that described antenna slots is positioned at described removal district or being positioned on the just right position of the part in described removal district with described antenna slots of described substrate layer.

The invention has the beneficial effects as follows:

1, namely metal foil paper itself doubles as RFID label tag, overcomes the problem of metal foil layer in prior art and interference mutually between the antenna of RFID label tag set up.

2, compared with the flat RFID tags of prior art, after metal foil paper for covering articles with, metal foil layer forms multiple different face, identification antenna (the being equivalent to a radiation polyhedron) radiation direction that metal foil layer and antenna slots are formed no longer is restricted, and during reading information, directivity is good.

When 3, metal foil paper being used for packing box, antenna slots crosses over tear line, and after being removed in the removal district of metal foil paper along tear line, antenna slots suffers physical damage, and RFID chip is also removed, and cannot recycle, and avoids RFID label tag and fakes.

When 4, metal foil paper being used for packing box, namely only need increase RFID chip on the basis of original material producing metal foil paper makes metal foil paper itself also be a RFID label tag, save and increase separately dielectric base plate needed for RFID label tag and antenna, thus saved cost.

Accompanying drawing explanation

Fig. 1 is the decomposition texture schematic diagram doubling as the metal foil paper embodiment one of RFID label tag of the present invention;

Fig. 2 is the decomposition texture schematic diagram doubling as the metal foil paper embodiment two of RFID label tag of the present invention;

Fig. 3 is the first structural representation after the metal foil paper for covering articles with doubling as RFID label tag of the present invention;

Fig. 4 is the expansion schematic diagram of Fig. 3;

Fig. 5 is the second structural representation after the metal foil paper for covering articles with doubling as RFID label tag of the present invention;

Fig. 6 is the third structural representation after the metal foil paper for covering articles with doubling as RFID label tag of the present invention;

Fig. 7 of the present inventionly doubles as the 4th kind of structural representation after the metal foil paper for covering articles with of RFID label tag;

Fig. 8 is the diagram of circuit doubling as the manufacture method embodiment of the metal foil paper of RFID label tag of the present invention.

Detailed description of the invention

Embodiments of the invention are described in detail below in conjunction with accompanying drawing.In following examples for convenience, the packing box mainly formed for the metal foil paper (aluminium foil paper, masking foil or Copper Foil paper) in cuboid cigarette case (being equivalent to the shell of packing box) and cuboid cigarette case is described, other packing box principle is identical, difference is only that article are different different from shell, such as article can be wine, and its shell is also cuboid packing box.

The decomposition texture schematic diagram doubling as the metal foil paper embodiment one of RFID label tag of the present invention as shown in Figure 1, metal foil paper 1 comprises substrate layer 11, metal foil layer 12 and RFID chip 13.Metal foil layer 12 is laminated together with substrate layer 11.Metal foil layer 12 with its on the antenna slots 121 offered form and identify antenna.RFID chip 13 is located in antenna slots 121, is electrically connected with described metal foil layer 12.

Antenna slots 121 can by cutting out, cutting or the technique such as etching is formed.

Metal foil layer 12 can be common aluminium foil layer, copper foil layer or tinfoil paper layer etc., and substrate layer 11 can be the insulating dielectric base materials such as conventional internal lining paper.

RFID chip 13 can be pasted or bind (Bonding, a kind of common physical connection mode) in antenna slots 121, be equivalent to by with metal foil layer 12 physical contact and with identification antenna realize being electrically connected.The packaged type of RFID chip 13 can be carrier tape package mode.

The identification antenna that metal foil layer 12 and antenna slots 121 are formed is equivalent to a slit antenna.Slit antenna principle and RFID label tag principle of work belong to routine techniques, are only briefly described at this.The width (W) of antenna slots 121 is relevant to the frequency of operation of RFID label tag with length (L) (being also namely correlated with electromagnetic wavelength λ).The effective length of antenna slots 121 is generally half-wavelength (λ/2,1/2nd of wavelength), and the width of antenna slots 121 is far smaller than its length (W " λ), and the length of usual antenna slots 121 is at least 10 times of its width.Antenna slots 121 contributes to current distribution in radiation not only in the end in gap, and is diffused on whole metal foil layers 12, and the increase of effective radiating area can increase the radiation efficiency of slit antenna greatly.In passive RFID system, current distribution on whole conducting plane, the driving electric power needed for RFID chip 13 can be assembled, and effective (effective) reflecting plate (reflective) increased, in backscattering (backscattering) process, identification (identification) data are very helpful.RFID label tag can be operated in the frequency ranges such as HF (13.56MHz), UHF (860-960MHz) and microwave frequency band, can select according to actual needs.

Metal foil paper 1 difference compared with the metal foil paper of prior art is, metal foil layer 12 offers antenna slots 121, and antenna slots has additional RFID chip 13, metal foil paper 1 is made itself to become a RFID label tag, adding RFID label tag separately for no longer needing during for covering articles with, also just overcoming the problem of metal foil layer in prior art and interference mutually between the antenna of RFID label tag set up.The profile, size etc. of metal foil paper 1 can design according to actual needs.Metal foil paper 1 can be widely used in and coatedly variously need article that are moistureproof or protection, has corresponding RFID label tag, can be uniquely identified, such as every box cigarette, every bottle of wine etc. after the article of each functional unit are wrapped by.

The decomposition texture schematic diagram doubling as the metal foil paper embodiment two of RFID label tag of the present invention as shown in Figure 2, only be with the difference of the metal foil paper 1 of embodiment one, the RFID chip 13 of the metal foil paper 2 of the present embodiment is located on substrate layer 11 position 111 just right with antenna slots 121.Be separated with substrate layer 11 between now between RFID chip 13 and the metal foil layer 12 being provided with antenna slots 121, be equivalent to the identification antenna that RFID chip 13 forms with by metal foil layer 12 and antenna slots 121 and realized by electromagnetic induction being electrically connected (Space Coupling transmission of signal).Because RFID chip 13 is located on substrate layer 11, after using metal foil paper 2 for covering articles with, RFID chip 13 is positioned at and the inner side of article contacts and be not easy to be encountered, and prevents the situation causing RFID label tag to lose efficacy because RFID chip 13 is touched down.Generally, metal foil paper 1 and metal foil paper 2 can replace mutually.

The present embodiment additionally provides a kind of packing box, comprise shell and be located in described shell for the metal foil paper 1 of for covering articles with or metal foil paper 2, described shell can be cuboid packing box, the form fit after the shape of shell and metal foil paper 1 or metal foil paper 2 for covering articles with.

As shown in Figure 3 and Figure 4, there is after metal foil paper 1 for covering articles with surface, six, front, back, left, right, up, down, antenna slots 121 is positioned at the single surface of front surface, metal foil layer 12 is provided with tear line 122, metal foil layer 12 is divided into reserved area 126 and removes district 125 by tear line 122, antenna slots 121 crosses over tear line 122, and RFID chip 13 is located at antenna slots 121 and is positioned in the part in removal district 125.If use metal foil paper 2, what RFID chip 13 was located at substrate layer 11 is positioned on the just right position of the part of removing district 125 with antenna slots 121.

In order to make slit antenna and RFID chip 13 impedance match, the first end 123 of antenna slots 121 and the second end 124 all T-shaped, one end can certainly be only had T-shaped.When selecting different RFID chip 13, the paste position that only correspondingly need change RFID chip 13 can mate complex impedance, very convenient.

When user needs to use article, metal foil paper 1 is torn or removal district 125 removes by metal foil paper 2 along tear line 122, antenna slots 121 is destroyed, RFID chip 13 is torn, be equivalent to RFID label tag by physical damage, cannot recycle, avoid RFID label tag and fake, antifalse effect is good.

As shown in Figure 5, the difference of itself and Fig. 4 is, antenna slots 121 crosses over front surface and face, two, left surface; As shown in Figure 6, the difference of itself and Fig. 4 is, antenna slots 121 crosses over front surface, right surface and face, three, rear surface; As shown in Figure 7, antenna slots 121 crosses over front surface and lower surface two faces.When antenna slots 121 crosses at least two faces, directivity can be improved further.

The diagram of circuit doubling as the manufacture method embodiment of the metal foil paper of RFID label tag of the present invention as shown in Figure 8, comprising:

S11: the antenna slots offering the identification antenna for RFID label tag on metal foil layer;

S12: by described metal foil layer and substrate layer laminated together;

S13: RFID chip is located in described antenna slots or described substrate layer the position just right with described antenna slots on.

The method of the present embodiment is mainly in the production process of metal foil paper, metal foil layer offers antenna slots and forms an identification antenna, namely only need add RFID chip makes metal foil paper itself also be a RFID label tag, take full advantage of substrate layer and the metal foil layer of metal foil paper, with increase separately compared with RFID label tag, save dielectric base plate and antenna, thus save cost.For cigarette case, the masking foil of original packing is offered antenna slots and forms an identification antenna, and in antenna slots, add a RFID chip thus make masking foil itself also be RFID label tag, and then cigarette case can be uniquely identified, without the need to increasing RFID label tag separately again, save cost.

Above embodiment is only exemplary embodiment of the present invention, is not used in restriction the present invention, and protection scope of the present invention is limited by the claims added.Those skilled in the art can in essence of the present invention and protection domain, and make various amendment or equivalent replacement to the present invention, this amendment or equivalent replacement also should be considered as dropping in protection scope of the present invention.

Claims (5)

1. one kind doubles as the metal foil paper of RFID label tag, comprise substrate layer, metal foil layer and RFID chip, described metal foil layer and described substrate layer laminated together, described metal foil layer offers antenna slots, described metal foil layer and the antenna slots that it is offered form and identify antenna, it is characterized in that, described metal foil layer is used for being coated on outside article, described RFID chip is located on described substrate layer and the just right position of described antenna slots, be separated with substrate layer (11) between RFID chip (13) and the metal foil layer (12) being provided with antenna slots (121) to cause chip (13) and metal foil layer and there is no direct physical connection, RFID chip (13) and described metal foil layer realize being electrically connected by electromagnetic induction.
2. the metal foil paper doubling as RFID label tag according to claim 1, is characterized in that, described metal foil layer is aluminium foil layer, copper foil layer or tinfoil paper layer, and described substrate layer is internal lining paper.
3. the metal foil paper doubling as RFID label tag according to claim 1, is characterized in that, described antenna slots is by cutting out, cutting or etching technics formation.
4. according to the metal foil paper doubling as RFID label tag one of claims 1 to 3 Suo Shu, it is characterized in that, described RFID chip is by pasting or being bundled on described substrate layer and the just right position of described antenna slots and being electrically connected with described metal foil layer.
5. according to the metal foil paper doubling as RFID label tag one of claims 1 to 3 Suo Shu, it is characterized in that, at least one end of described antenna slots is T-shaped.
CN201010254403.0A 2010-08-16 2010-08-16 Metal foil paper using as radio frequency identification device (RFID) label CN102372120B (en)

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Publication number Priority date Publication date Assignee Title
CN103144349B (en) * 2013-03-21 2016-09-07 深圳市金之彩文化创意有限公司 Exempt from shielding to exempt to disturb RFID metal level packing box and preparation method thereof, paper used
CN103413167A (en) * 2013-08-11 2013-11-27 章伟 Tobacco FRID label with anti-counterfeiting function
CN103617442A (en) * 2013-11-21 2014-03-05 高洪强 UHF-RFID electronic tag of box body
CN106295773A (en) * 2016-08-08 2017-01-04 深圳劲嘉集团股份有限公司 Paperboard and production technology with RFID antenna

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Publication number Priority date Publication date Assignee Title
CN101373525A (en) * 2007-08-22 2009-02-25 资茂科技股份有限公司 Radio frequency identification anti-fake package and method thereof
CN201754286U (en) * 2010-08-16 2011-03-02 姜文波 Metal-foil paper further used as RFID label and packing box

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Publication number Priority date Publication date Assignee Title
EP1628360B1 (en) * 2004-08-21 2007-10-10 Samsung Electronics Co., Ltd Small rectenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101373525A (en) * 2007-08-22 2009-02-25 资茂科技股份有限公司 Radio frequency identification anti-fake package and method thereof
CN201754286U (en) * 2010-08-16 2011-03-02 姜文波 Metal-foil paper further used as RFID label and packing box

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