CN113705758A - RFID tag preparation process - Google Patents
RFID tag preparation process Download PDFInfo
- Publication number
- CN113705758A CN113705758A CN202111035089.1A CN202111035089A CN113705758A CN 113705758 A CN113705758 A CN 113705758A CN 202111035089 A CN202111035089 A CN 202111035089A CN 113705758 A CN113705758 A CN 113705758A
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- antenna
- rotating shaft
- prepolymer mixture
- photopolymerizable prepolymer
- transfer
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000003292 glue Substances 0.000 claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 72
- 239000010410 layer Substances 0.000 claims description 62
- 239000011347 resin Substances 0.000 claims description 46
- 229920005989 resin Polymers 0.000 claims description 46
- 239000000758 substrate Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 15
- 238000007639 printing Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 7
- 208000028659 discharge Diseases 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000005530 etching Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
Images
Classifications
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- 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
- G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- 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
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Computer Hardware Design (AREA)
- Credit Cards Or The Like (AREA)
Abstract
A preparation process of an RFID label. The technical field of RFID tags is related, and particularly relates to a RFID tag antenna preparation process. The antenna part of the RFID tag comprises a metal layer, a glue layer and an antenna carrier layer, and during preparation, glue removing treatment is carried out on the upper side of the glue layer after the antenna carrier layer is fully coated with glue, wherein a glue removing area is a non-antenna linear area, the glue removing area is non-adhesive and is compounded with the metal layer, the antenna linear area is cut in a physical cutting mode, and waste discharge treatment is carried out on the non-antenna linear area (namely, the metal layer on the upper side of the non-antenna linear area is removed) to form the RFID tag antenna. The invention has convenient processing and reliable operation.
Description
Technical Field
The invention relates to the technical field of RFID tags, in particular to a preparation process of an RFID tag antenna.
Background
The RFID (radio Frequency identification) technology has become the focus of attention of all countries, and the basic components of the system include an RFID electronic tag, an RFID reader, and an antenna. An antenna is a device that receives or radiates the radio frequency signal power of a radio transceiver in the form of electromagnetic waves. In the RFID system, antennas are classified into two types, a tag antenna and a reader/writer antenna, wherein the tag antenna is aimed at transmitting maximum energy into and out of a tag chip.
At present, RFID (radio frequency identification) tag antennas have various preparation processes, mainly including three types of etching methods, coil winding methods and printed antennas, low-frequency RFID tag antennas are basically manufactured in a winding mode in the market, and high-frequency and ultrahigh-frequency RFID tag antennas can be realized by the three types of modes, but mainly etching the antennas.
The RFID label needs to be designed and produced with different RFID antenna line types according to different application scenes and different attached articles. The RFID tag mainly comprises a metal layer, a glue layer and an antenna carrier layer, the conventional aluminum etching antenna process is to perform glue full coating on the antenna carrier layer, then compound the antenna carrier layer with the metal layer to form a primary composite material, print an antenna pattern on the composite material by using corrosion-resistant ink according to the required RFID tag antenna line type, and etch an unprotected area and a non-antenna pattern area through acid and alkali reaction to form the RFID tag antenna.
If the traditional etching antenna preparation process is long in period (about 7 days), the response capability of market product requirements and the market preemptive property are greatly influenced.
Meanwhile, the notice number of the publication authorized by the national intellectual property office 2015.02.04 is CN102861993B, which is named as "a radio frequency identification antenna laser production process", and the antenna metal film is firstly compounded on a first substrate through an adhesive, then an image and a mark point are printed on the antenna metal film by using viscous ink, secondly, laser cutting is performed, then a second substrate is compounded, and finally, waste materials are removed.
In the production process, the following problems exist: firstly, the processing process is complicated, for example, the first substrate needs to be peeled off after the first substrate and the second substrate are prepared and the radio frequency identification antenna is processed; secondly, laser cutting is carried out firstly, then the second substrate is compounded, and finally the waste materials are removed, so that the second substrate adhered to the cut metal antenna film part is influenced in the waste material removing process, and the quality of the radio frequency identification antenna is influenced.
Disclosure of Invention
Aiming at the problems, the invention provides the RFID tag preparation process which is time-saving, convenient to operate, environment-friendly and reliable.
The technical scheme of the invention is as follows: the method comprises the following steps:
s1, preparing an antenna carrier layer with a glue layer on the surface, wherein the surface of the glue layer is provided with an antenna area;
s2, processing the antenna area to make the non-antenna line-shaped area surface in the antenna area have the photo-polymerization prepolymer mixture;
s3, illuminating the antenna area to make the non-antenna linear area lose viscosity;
s4, compounding a metal layer in the antenna area;
s5, cutting the linear region of the antenna;
s6, removing the metal layer above the non-antenna line type area;
and S7, finishing.
In step S2, first, a resin plate having the same shape as the antenna wire is prepared; secondly, when the antenna carrier layer moves, continuously pressing the antenna area through the resin plate to press an inwards concave antenna line type area; then, a photopolymerizable prepolymer mixture is applied to the raised non-antenna linear regions.
In step S2, first, a resin plate having an antenna-shaped hole is prepared; secondly, coating the photopolymerizable prepolymer mixture on the surface of the resin plate; then, while the antenna support layer is moving, the non-antenna linear region having the surface coated with the photopolymerizable prepolymer mixture is pressed by the continuous pressing action of the resin plate against the antenna region.
The device also comprises a transfer device, wherein the transfer device is used for transferring the photopolymerizable prepolymer mixture to the surface of a resin plate, and the resin plate is fixedly connected to the lifting platform.
The transfer equipment comprises a containing groove, a first transfer shaft and a second transfer shaft which are arranged in sequence, wherein the containing groove is used for containing the photopolymerizable prepolymer mixture,
the outlet of the containing groove quantitatively transfers the photopolymerizable prepolymer mixture to a first transfer shaft through a flow meter, the first transfer shaft is an autonomous rotating shaft, the first transfer shaft is used for transferring the photopolymerizable prepolymer mixture to a second transfer shaft,
and the second transfer shaft is positioned on one side of the lifting platform and rotates around the lifting platform, and when the second transfer shaft rotates to the position below the lifting platform, the second transfer shaft is in contact with the resin plate to transfer the photopolymerizable prepolymer mixture to the surface of the resin plate.
And the second transfer shaft is an autonomous rotating shaft.
The transfer equipment comprises a containing groove, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft which are arranged in sequence, wherein the containing groove is used for containing the photopolymerizable prepolymer mixture,
quantitatively transferring the photopolymerizable prepolymer mixture to a first rotating shaft through an outlet of the accommodating groove by a flowmeter, wherein the first rotating shaft is an autonomous rotating shaft and is used for transferring the photopolymerizable prepolymer mixture to a second rotating shaft;
the second rotating shaft is a revolving roller shaft and is used for transferring the photopolymerizable prepolymer mixture on the first rotating shaft to the third rotating shaft so that the photopolymerizable prepolymer mixture on the third rotating shaft is uniform;
and the fourth rotating shaft rotates around the third rotating shaft and the lifting platform, and the photopolymerizable prepolymer mixture on the fourth rotating shaft contacts the resin plate when rotating to the position below the lifting platform, so that the photopolymerizable prepolymer mixture is transferred to the surface of the resin plate.
The first rotating shaft is a metal ink distributing roller I, the second rotating shaft is a rubber transfer roller, the third rotating shaft is a metal ink distributing roller II, and the fourth rotating shaft is a printing roller;
the diameter of the first rotating shaft is larger than that of the second rotating shaft;
the diameter of the third rotating shaft is larger than that of the second rotating shaft and that of the fourth rotating shaft.
In step S1, the adhesive tape is processed, the adhesive tape includes an upper substrate, an adhesive layer and a lower substrate which are sequentially arranged from top to bottom, the release force of the upper substrate needs to be smaller than that of the lower substrate, and the lower base layer is an antenna carrier layer.
In step S1, the surface of the adhesive layer is further provided with a punctuation area, and the punctuation area is provided with punctuation points corresponding to the antenna line type areas one to one.
The index points are colored ink.
In step S3, the illumination is performed by light energy of 360-390 nm.
In step S6, the metal layer above the non-antenna line region is blown off by compressed air blowing.
The antenna part of the RFID tag comprises a metal layer, a glue layer and an antenna carrier layer, and during preparation, glue removing treatment is carried out on the upper side of the glue layer after the antenna carrier layer is fully coated with glue, wherein a glue removing area is a non-antenna linear area, the glue removing area is non-adhesive and is compounded with the metal layer, the antenna linear area is cut in a physical cutting mode, and waste discharge treatment is carried out on the non-antenna linear area (namely, the metal layer on the upper side of the non-antenna linear area is removed) to form the RFID tag antenna.
The invention has convenient processing and reliable operation.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a schematic view of the structure of the gummed paper,
figure 3 is a schematic diagram of step S1 in the present invention,
figure 4 is a schematic diagram of step S4 in the present invention,
figure 5 is a schematic diagram of step S5 in the present invention,
figure 6 is a first schematic diagram of a transfer apparatus according to a second embodiment of the present invention,
figure 7 is a first action diagram of figure 6,
figure 8 is a second action diagram of figure 6,
figure 9 is a third diagram of the action of figure 6,
figure 10 is a fourth of the action diagram of figure 6,
figure 11 is a second schematic diagram of a second transfer apparatus according to a second embodiment of the invention,
figure 12 is a first of the action diagrams of figure 11,
figure 13 is a second view of the action of figure 11,
FIG. 14 is a third action diagram of FIG. 11;
in the figure, 1 is an antenna carrier layer, 11 is an antenna area, 111 is an antenna line type area, 112 is a non-antenna line type area, 12 is a punctuation area, 120 is a punctuation,
2 is a glue layer, 3 is a metal layer, 4 is gummed paper, 41 is an upper substrate, 42 is a lower substrate, 5 is a glue removing layer, 6 is a lighting machine, 7 is a resin plate, 8 is a lifting platform, 91 is a containing groove, 92 is a first transfer shaft, 93 is a second transfer shaft, 94 is a first rotating shaft, 95 is a second rotating shaft, 96 is a third rotating shaft, and 97 is a fourth rotating shaft.
The arrows in fig. 6-14 represent the direction of motion of the various components.
Detailed Description
The present invention, as shown in fig. 1-5, comprises the following steps:
s1, preparing an antenna carrier layer 1 with a glue layer 2 on the surface, wherein the surface of the glue layer is provided with an antenna area 11;
s2, processing the antenna area 11 to make the non-antenna line type area 112 surface in the antenna area have the photo-polymerization prepolymer mixture (i.e. the adhesive removing layer 5);
s3, illuminating the antenna area 11 to make the non-antenna linear area 112 lose viscosity; the illumination action is carried out through the illumination machine 6;
s4, compounding a metal layer 3 in the antenna area;
s5, cutting the antenna line type area 111;
s6, removing the metal layer above the non-antenna line type area;
and S7, finishing.
The antenna part of the RFID tag comprises a metal layer, a glue layer and an antenna carrier layer, and during preparation, glue removing treatment is carried out on the upper side of the glue layer after the antenna carrier layer is fully coated with glue, wherein a glue removing area is a non-antenna linear area, the glue removing area is non-adhesive and is compounded with the metal layer, the antenna linear area is cut in a physical cutting mode, and waste discharge treatment is carried out on the non-antenna linear area (namely, the metal layer on the upper side of the non-antenna linear area is removed) to form the RFID tag antenna.
According to the invention, the glue is locally removed above the glue layer, so that the problem that the traditional aluminum etching antenna process needs to use corrosion-resistant ink to print an antenna pattern above a composite material, and unprotected areas and non-antenna linear areas are etched through acid and alkali reaction, and the aluminum etching antenna is environment-friendly and reliable.
The photopolymerizable prepolymer mixture is an ink, and the irradiator can be operated by UV irradiation.
In step S2, first, a resin plate having the same shape as the antenna wire is prepared; secondly, when the antenna carrier layer moves, continuously pressing the antenna area through the resin plate to press an inwards concave antenna line type area; then, a photopolymerizable prepolymer mixture is applied to the raised non-antenna linear regions.
The first embodiment of the present invention is: through setting up the resin version the same with antenna line type shape, like this, when the antenna carrier layer removed, the resin version passed through lift platform lift action, and then suppressed the antenna line type region of indent, made things convenient for follow-up scribble the photopolymerizable prepolymer mixture on convex non-antenna line type region, but the brush roller direct coating, convenient operation.
In step S2, first, a resin plate having an antenna-shaped hole is prepared; secondly, coating the photopolymerizable prepolymer mixture on the surface of the resin plate; then, while the antenna support layer is moving, the non-antenna linear region having the surface coated with the photopolymerizable prepolymer mixture is pressed by the continuous pressing action of the resin plate against the antenna region.
The second embodiment of the present invention is: coating a photopolymerizable prepolymer mixture on a surface of a resin plate by providing the resin plate with an antenna-shaped hole;
like this, when the antenna carrier layer removed, the resin version through lift platform lift action, through with the glue film contact for light polymerization nature prepolymer mixture shifts to the glue film surface, makes things convenient for follow-up operation.
The resin plate is provided with the antenna linear holes, so that an antenna linear area is reserved, and convenience and reliability are realized; the pressing operation is carried out by transferring the photopolymerizable prepolymer mixture without pressing the uneven surface.
As shown in fig. 6 to 10, a transfer device for transferring the photopolymerizable prepolymer mixture to the surface of the resin plate 7 fixedly attached to the elevating platform 8 is further included.
Through setting up lift platform, be convenient for resin version lift action, for example through action such as pneumatic cylinder, cylinder.
The transfer device comprises a containing groove 91, a first transfer shaft 92 and a second transfer shaft 93 which are arranged in sequence, wherein the containing groove is used for containing the photopolymerizable prepolymer mixture,
the outlet of the container 91 quantitatively transfers the photopolymerizable prepolymer mixture to a first transfer shaft 92 through a flow meter, the first transfer shaft 91 being an autonomous rotation shaft for transferring the photopolymerizable prepolymer mixture to a second transfer shaft 92,
the second transfer shaft 92 is positioned on one side of the lifting platform and rotates around the lifting platform, and when the second transfer shaft rotates to the position below the lifting platform, the second transfer shaft contacts the resin plate 7 to transfer the photopolymerizable prepolymer mixture to the surface of the resin plate.
During coating, the photopolymerizable prepolymer mixture is placed in a container tank 91 and is in a fluid state, a first transfer shaft 92 is arranged at the notch of the container tank, the release amount of the photopolymerizable prepolymer mixture in the container tank is detected in real time through a flowmeter, the photopolymerizable prepolymer mixture is uniformly transferred onto the first transfer shaft, the resin plate 7 is fixed on the lifting platform 8,
and the second transfer shaft 93 rotates around the lifting platform, the second transfer shaft is in contact with the first transfer shaft to transfer the photopolymerizable prepolymer mixture, and when the second transfer shaft is transferred below the resin plate, the photopolymerizable prepolymer mixture is in contact with the resin plate and transferred onto the resin plate, so that the photopolymerizable prepolymer mixture can be directly coated on the non-antenna linear area conveniently.
The second transfer shaft 93 is an autonomous rotation shaft. Thus, the second transfer shaft facilitates reliable transfer of the photopolymerizable prepolymer mixture to the resin plate.
As shown in fig. 11 to 14, the transfer device includes a containing groove 91, a first rotating shaft 94, a second rotating shaft 95, a third rotating shaft 96 and a fourth rotating shaft 97, which are arranged in sequence, the containing groove is used for containing the photopolymerizable prepolymer mixture,
the outlet of the containing groove 91 quantitatively transfers the photopolymerizable prepolymer mixture to a first rotating shaft 94 through a flow meter, wherein the first rotating shaft 94 is an autonomous rotating shaft, and the first rotating shaft is used for transferring the photopolymerizable prepolymer mixture to a second rotating shaft 95 to ensure that the second rotating shaft has enough photopolymerizable prepolymer mixture;
the second rotating shaft 95 is a revolving roller shaft (i.e. performs circular motion) and is used for transferring the photopolymerizable prepolymer mixture on the first rotating shaft 94 to the third rotating shaft 96 so that the photopolymerizable prepolymer mixture on the third rotating shaft is uniform;
the fourth rotating shaft 97 rotates around the third rotating shaft 96 and the lifting platform 8, and the photopolymerizable prepolymer mixture on the fourth rotating shaft contacts the resin plate when rotating to the lower part of the lifting platform, so that the photopolymerizable prepolymer mixture is transferred to the surface of the resin plate.
The first rotating shaft 94 is a first metal distributing roller, the second rotating shaft 95 is a rubber transfer roller, the third rotating shaft 96 is a second metal distributing roller, and the fourth rotating shaft 97 is a printing roller;
the diameter of the first rotating shaft is larger than that of the second rotating shaft;
the diameter of the third rotating shaft is larger than that of the second rotating shaft and that of the fourth rotating shaft.
During coating, the photopolymerisable prepolymer mixture is placed in the containing groove 91, the photopolymerisable prepolymer mixture is quantitatively transferred to the first metal ink distributing roller, and the roller shaft is enabled to cover the photopolymerisable prepolymer mixture for 360 degrees through autorotation;
because the roller rotates for a long time after the equipment is started, the roller can continuously gather and increase the photopolymerizable prepolymer mixture, and if the mixture is transferred to be printed, the problems of overlarge glue amount, uneven glue thickness and the like can occur, so that the printing effect is influenced;
so that the polymerizable prepolymer mixture is homogenized and smoothed by intermittently contacting the rubber transfer roll with the metal ink distribution roll I, and transferred onto the metal ink distribution roll II;
and uniformly distributing the photopolymerizable prepolymer mixture on the metal ink distributing roller II to the periphery of the printing roller in a mode that the printing roller II is tangent with the metal ink distributing roller for multiple times through blade coating, so that the photopolymerizable prepolymer mixture is uniformly distributed on the printing roller at 360 degrees.
The printing roller transfers the photopolymerizable prepolymer mixture to the resin plate by means of tangential doctor blade coating, so that it is uniformly distributed.
The diameter of the first metal distributing roller is larger than that of the rubber transfer roller so as to improve the transfer speed of the first metal distributing roller; the diameter of the second metal ink distributing roller is required to be larger than that of the rubber transfer roller and the printing roller, so that the surface of the second metal ink distributing roller has enough photopolymerizable prepolymer mixture to be transferred by the printing roller, and the photopolymerizable prepolymer mixture on the printing roller is uniformly coated.
In step S1, the adhesive tape 4 includes an upper substrate 41, an adhesive layer, and a lower substrate 42 sequentially arranged from top to bottom, the release force of the upper substrate needs to be smaller than that of the lower substrate, and the lower base layer 42 is the antenna carrier layer 1.
Thus, the glue layer is conveniently left above the lower substrate after the upper substrate is peeled off. The adhesive layer is made of high-temperature-resistant glue, the glue can resist the temperature of more than 200 ℃, and the metal layer can be made of metal conductive materials such as aluminum, copper and the like.
In step S1, the surface of the adhesive layer is further provided with a punctuation area 12, and the punctuation area is provided with punctuation points 120 corresponding to the antenna line-shaped areas one to one.
Therefore, the surface of the adhesive layer is divided into an antenna area and a punctuation area, so that the antenna line type can be conveniently cut out by positioning through the punctuation point, searching the 'punctuation point' through the sensor, confirming the cutting position and the like in the step S5. The cutting mode adopts modes of laser engraving, cutting die cutting and the like.
The index point 120 is a colored ink.
The color ink is exposed, so that subsequent positioning and cutting actions are facilitated; the colored ink may be arranged to form a square pattern.
In step S3, the illumination is performed by light energy of 360-390 nm.
The non-antenna linear area is then tack-free by illumination.
In step S6, the metal layer above the non-antenna line region is blown off by compressed air blowing.
In the processing, the glue removing area (namely the non-antenna line type area) and the metal layer are in a hollow drum shape, the metal layer above the glue removing area is blown away by compressed air blowing in the area after physical cutting, and the antenna line type is remained.
The method for physically cutting and discharging the waste replaces the traditional chemical reaction method of the aluminum etching antenna, and is environment-friendly and reliable.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (13)
1. The RFID tag preparation process is characterized by comprising the following steps:
s1, preparing an antenna carrier layer with a glue layer on the surface, wherein the surface of the glue layer is provided with an antenna area;
s2, processing the antenna area to make the non-antenna line-shaped area surface in the antenna area have the photo-polymerization prepolymer mixture;
s3, illuminating the antenna area to make the non-antenna linear area lose viscosity;
s4, compounding a metal layer in the antenna area;
s5, cutting the linear region of the antenna;
s6, removing the metal layer above the non-antenna line type area;
and S7, finishing.
2. The RFID tag manufacturing process according to claim 1, wherein in step S2, first, a resin plate having the same shape as the antenna wire is prepared; secondly, when the antenna carrier layer moves, continuously pressing the antenna area through the resin plate to press an inwards concave antenna line type area; then, a photopolymerizable prepolymer mixture is applied to the raised non-antenna linear regions.
3. The RFID tag manufacturing process according to claim 1, wherein in step S2, first, a resin plate having an antenna-shaped hole is prepared; secondly, coating the photopolymerizable prepolymer mixture on the surface of the resin plate; then, while the antenna support layer is moving, the non-antenna linear region having the surface coated with the photopolymerizable prepolymer mixture is pressed by the continuous pressing action of the resin plate against the antenna region.
4. The process of claim 3, further comprising a transfer device for transferring the photopolymerizable prepolymer mixture to a surface of a resin plate, wherein the resin plate is fixedly attached to the lifting platform.
5. The RFID tag manufacturing process according to claim 4, wherein the transfer device comprises a containing tank, a first transfer shaft and a second transfer shaft arranged in sequence, the containing tank is used for containing the photopolymerizable prepolymer mixture,
the outlet of the containing groove quantitatively transfers the photopolymerizable prepolymer mixture to a first transfer shaft through a flow meter, the first transfer shaft is an autonomous rotating shaft, the first transfer shaft is used for transferring the photopolymerizable prepolymer mixture to a second transfer shaft,
and the second transfer shaft is positioned on one side of the lifting platform and rotates around the lifting platform, and when the second transfer shaft rotates to the position below the lifting platform, the second transfer shaft is in contact with the resin plate to transfer the photopolymerizable prepolymer mixture to the surface of the resin plate.
6. The process for preparing an RFID tag according to claim 5, wherein the second transfer shaft is an autonomous rotating shaft.
7. The RFID tag manufacturing process according to claim 4, wherein the transferring device comprises a containing tank, a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft, which are arranged in sequence, the containing tank is used for containing the photopolymerizable prepolymer mixture,
quantitatively transferring the photopolymerizable prepolymer mixture to a first rotating shaft through an outlet of the accommodating groove by a flowmeter, wherein the first rotating shaft is an autonomous rotating shaft and is used for transferring the photopolymerizable prepolymer mixture to a second rotating shaft;
the second rotating shaft is a revolving roller shaft and is used for transferring the photopolymerizable prepolymer mixture on the first rotating shaft to the third rotating shaft so that the photopolymerizable prepolymer mixture on the third rotating shaft is uniform;
and the fourth rotating shaft rotates around the third rotating shaft and the lifting platform, and the photopolymerizable prepolymer mixture on the fourth rotating shaft contacts the resin plate when rotating to the position below the lifting platform, so that the photopolymerizable prepolymer mixture is transferred to the surface of the resin plate.
8. The process of claim 7, wherein the first rotating shaft is a first metal distribution roller, the second rotating shaft is a rubber transfer roller, the third rotating shaft is a second metal distribution roller, and the fourth rotating shaft is a printing roller;
the diameter of the first rotating shaft is larger than that of the second rotating shaft;
the diameter of the third rotating shaft is larger than that of the second rotating shaft and that of the fourth rotating shaft.
9. The process of any one of claims 1 to 8, wherein in step S1, the adhesive paper comprises an upper substrate, an adhesive layer and a lower substrate, which are arranged in sequence from top to bottom, the release force of the upper substrate is smaller than that of the lower substrate, and the lower base layer is an antenna carrier layer.
10. The process for preparing an RFID tag according to any one of claims 1 to 8, wherein in step S1, the surface of the adhesive layer is further provided with a dot region, and the dot region is provided with a one-to-one index point corresponding to the linear region of the antenna.
11. The process of claim 10, wherein the target-seeking point is a colored ink.
12. The process of claim 1, wherein in step S3, the light is irradiated by light energy of 360-390 nm.
13. The process of claim 1, wherein in step S6, the metal layer is blown off over the non-antenna line region by compressed air blowing.
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