CN102723127A - Method for preparing RFID (radio frequency identification device) tag antenna by cold transfer process and dedicate membrane used by same - Google Patents
Method for preparing RFID (radio frequency identification device) tag antenna by cold transfer process and dedicate membrane used by same Download PDFInfo
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- CN102723127A CN102723127A CN2012101930901A CN201210193090A CN102723127A CN 102723127 A CN102723127 A CN 102723127A CN 2012101930901 A CN2012101930901 A CN 2012101930901A CN 201210193090 A CN201210193090 A CN 201210193090A CN 102723127 A CN102723127 A CN 102723127A
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Abstract
The invention relates to a method for preparing an RFID (radio frequency identification device) tag antenna by a cold transfer process and a dedicate membrane used by the same. The method and the dedicate membrane are characterized in that a conductive layer on a dedicated membrane is transferred to a printing stock by a cold transfer device and process; the dedicated membrane is a layer-shaped object and structurally comprises a basal layer, a separate layer and a conductive layer in sequence; and a primer layer can be added on the conductive layer as required. The method comprises the following steps that cold transfer glue is printed on the printing stock according to an antenna picture during performing cold transfer through adhesive, stripping down the conductive layer of the contact part between the dedicated membrane belt and the cold transfer glue from the dedicated membrane belt during compounding the dedicated membrane belt and the printing stock, leaving the conductive layer on the surface of the printing stock, and integrally forming the conductive layer with the printing stock, thereby obtaining the required RFID tag antenna on the printing stock, and removing the other parts of the dedicated membrane belt by a waste discharge device. According to the method and dedicated membrane provided by the invention, high implementation efficiency and small pollution can be realized; no heating is required, the energy consumption is reduced, and the cost of the RFID tag antenna is further reduced.
Description
Technical field
The present invention relates to a kind of method that cold shifting process prepares the RFID label antenna and special-purpose membrane material of use thereof of adopting, belong to Internet of Things electronic tag field.
Background technology
The manufacture method of present RFID label antenna mainly contains several kinds of etching method, wiring method, coil winding method, galvanoplastic and printed antennas etc.
Etching method is also claimed the subtraction manufacturing technology.Conductive metal foil attached on the carrier, is applied light-sensitive emulsion on metal forming, carry out sensitization through film sheet, etching, chemical medicinal liquid cleans, and promptly obtains required antenna.This technology is ripe, at present by extensive employing, but relates to the etching waste water treatment, does not meet the policy requirements of energy-saving and emission-reduction.
The coil winding method requires the antenna number of turn more, is generally the 50-100 circle, mainly is used in the RFID label of 125-134KHz.This method production cost is high, and efficient is low.
Wiring method is directly carried out hot melt to the copper cash of diameter 0.015mm with ultrasonic probe, on carrier, welds the shape that extrudes antenna as required, and its processing cost height and efficient are low.
Galvanoplastic: earlier print one deck electrically conductive ink, on conductive ink layer, plate conductive layer then in the shape of on carrier, press antenna, when conductive layer deposition behind certain thickness, antenna has just been processed, shortcoming be pollute bigger.
It is directly to use electrically conductive ink conductive circuit on carrier that print process prepares antenna, forms antenna.At present more about relevant research report, but printed antenna is owing to exist resistance big, folding resistance is poor, and reliability is not high, and life of product is short, and working condition is harsh, and shortcoming such as cost an arm and a leg is not seen the commercial Application report at present.
One Chinese patent application 200910060540.8 has been introduced a kind of method that adopts the thermoprint legal system to be equipped with the RFID antenna.This method is used blocking film, and the film band is divided into 4 layers, and the boiling hot version that has antenna pattern with processing is a die head, the RFID antenna that under the condition of warming and pressurizing, obtains requiring through thermoprint.
Summary of the invention
One of technical problem that the present invention solved is: provide a kind of and directly under normal temperature condition, adopt cold shifting process to make the method for RFID label antenna.
Two of the technical problem that the present invention solved is: the cold transfer preparation method of a kind of RFID antenna is provided used special-purpose film band, and this special use film band structure is simple, compares with heat blocking film and has reduced hot melt adhesive layer, has reduced material cost.
Three of the technical problem that the present invention solved is: when adopting cold transfer method to prepare the RFID antenna, do not need special-purpose die head.Only need be according to the cold transfer adhesive of the graphic printing of Antenna Design, compound with stock, just can obtain the RFID antenna through after the waste discharge.
Four of the technical problem that the present invention solved is: the cold shifting process for different stocks use is different, and promptly opaque stock adopts the cold transfer of dry method, and transparent stock adopts the cold transfer of wet method.
The present invention addresses the above problem the technical scheme that is adopted:
A kind of method that on stock, adopts cold transfer to prepare the RFID antenna, this method comprises through cold transfer equipment transfers to each step on the stock with the conductive layer on the special-purpose film band.
The special-purpose film band of the cold transfer of using is layer structure, comprises basic unit, separating layer and conductive layer.Basic unit is plastic films such as PET, PP, PE, PS, PC in the special-purpose film band; Separating layer is a kind of coating that makes basic unit and conductive layers apart; Conductive layer is to have the metal material of conductivity or have the electrically conductive, non-metallic material.
In order to increase conductive layer attachment fastness to adhesive in cold transfer process, in needs, can increase by 104 silane coupling agent layers.
During cold transfer; Earlier on stock, print cold transfer adhesive according to antenna pattern, in the special-purpose film band process compound with stock, the conductive layer with cold transfer adhesive contact site on the special-purpose film band strips down from special-purpose film band; Stay the stock surface; Become one with stock, thereby on stock, obtain needed RFID label antenna, and other part of special-purpose film band is taken away by the waste discharge device.
The mode of printing of cold transfer adhesive comprises silk screen, intaglio plate, relief printing plate etc.
Description of drawings
The implementation process sketch map of Fig. 1, the cold transfer of dry method.
The implementation process sketch map of Fig. 2, the cold transfer of wet method.
Fig. 3, be the special-purpose membrane structure sketch map of cold transfer used in the present invention.
Fig. 4, have the special-purpose membrane structure sketch map of cold transfer of silane coupling agent layer.
Embodiment
Explain in the such scheme through following two instances and the conductive layer on the special-purpose film band to be transferred to the concrete steps on the stock through cold transfer equipment.
Embodiment 1.The implementation step (see figure 1) of the cold transfer of dry method (being applicable to light tight stock).
Step 1.1: on the stock paper according to the circuitous pattern printing UV glue of RFID label antenna.
Step 1.2:, obtain the extremely thin full-bodied UV adhesive linkage of one deck with uviol lamp direct irradiation UV glue.
Step 1.3: through pressure roller, under the metal roller effect, making special-purpose film band is one with contact of UV adhesive linkage and pressing.
Step 1.4: through peeling off the waste discharge device; Make on the special-purpose film band conductive layer with UV adhesive linkage contact site strip down from special-purpose film band; Stay the stock surface; Become one with stock, thereby on the stock paper, obtain needed RFID label antenna, and other part of special-purpose film band is taken away by the waste discharge device.
Embodiment 2.The implementation step (see figure 2) of the cold transfer of wet method (being applicable to the printing opacity stock).
Step 2.1: on printable fabric according to the circuitous pattern printing UV glue of RFID label antenna.
Step 2.2: special-purpose film band and printable fabric is compound.
Step 2.3: ultraviolet light sees through stock irradiation UV glue and makes its curing.
Step 2.4: through peeling off the waste discharge device; Make that glueing joint the conductive layer that touches the position with UV on the special-purpose film band strips down from special-purpose film band; Stay the stock surface; Become one with stock, thereby on stock, obtain needed RFID label antenna, and other part of special-purpose film band is taken away by the waste discharge device.
In addition, the manufacturing of adopting cold shifting process to prepare the used special-purpose membrane material of RFID label antenna comprises the steps (see figure 3):
Step 3.1: be coated with 102 separating layers in 101 substrate surface.
Step 3.2: deposition 103 conductive layers on 102 separating layers.
Step 3.3:, in needs, can on 103 conductive layers, be coated with 104 silane coupling agent layer (see figure 4) in order to increase by 103 conductive layers attachment fastness to adhesive in cold transfer process.
As stated:
Separating layer described in the step 3.1 is a kind of coating that makes basic unit and conductive layers apart.
Conductive layer is the metallics of conduction or the nonmetallic substance of conduction in the step 3.2, and the depositional mode of conductive layer adopts physics or chemical mode to obtain.
Claims (8)
1. special-purpose film that adopts cold shifting process to prepare the RFID label antenna is characterized in that:
Special-purpose film is the stratiform thing, and its structure comprises, 101 basic units, 102 separating layers, 103 conductive layers.
2. basic unit is plastic films such as PET, PP, PE, PS, PC; Separating layer is a kind of coating that makes basic unit and conductive layers apart; Conductive layer is conductive metal film or the conductive non-metals film that obtains through physics or chemical deposition.
3. the said conductive layer of claim 1 is characterised in that: it has the satisfactory electrical conductivity that satisfies the antenna requirement and lower shear strength.
4. the RFID label antenna preparation method who the present invention relates to; It is characterized in that adopting cold shifting process; Utilization is printed on the adhesive on the stock, and the conductive layer and the stock of special-purpose film is compound, after the stripping means waste discharge that use suits; Conductive layer is transferred to the stock surface, thereby obtain the RFID label antenna.
5. the said preparation method of claim 3 is characterized in that: be printed on the circuitous pattern that adhesive on the stock has the RFID label antenna, the compound of conductive layer on the special-purpose film and stock carries out at normal temperatures.
6. the described adhesive of claim 3 includes, but is not limited to pressure sensitive adhesive, UV (ultraviolet) glue, UV pressure sensitive adhesive etc.
7. on the basis of the described special-purpose membrane structure of claim 1, for increase by 103 conductive layers in cold transfer process to glue
The attachment fastness of stick in needs, can increase by 104 silane coupling agent layers.
8. the described preparation method of claim 3 is characterized in that antenna machine-shaping and bonding step completion, simplifies technical process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101930901A CN102723127A (en) | 2012-06-13 | 2012-06-13 | Method for preparing RFID (radio frequency identification device) tag antenna by cold transfer process and dedicate membrane used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101930901A CN102723127A (en) | 2012-06-13 | 2012-06-13 | Method for preparing RFID (radio frequency identification device) tag antenna by cold transfer process and dedicate membrane used by same |
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| Publication Number | Publication Date |
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| CN102723127A true CN102723127A (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101930901A Pending CN102723127A (en) | 2012-06-13 | 2012-06-13 | Method for preparing RFID (radio frequency identification device) tag antenna by cold transfer process and dedicate membrane used by same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668072A (en) * | 2013-12-09 | 2014-03-26 | 四川省宜宾普拉斯包装材料有限公司 | RFID anti-interference coating technology and imitation metal coating plastic product |
| CN108963422A (en) * | 2018-06-26 | 2018-12-07 | 中山国安火炬科技发展有限公司 | A kind of RFID antenna manufacturing process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001034732A (en) * | 1999-07-16 | 2001-02-09 | Toppan Forms Co Ltd | Formation of antenna for non-contact ic module |
| JP2005259605A (en) * | 2004-03-12 | 2005-09-22 | The Inctec Inc | Conductive sheet and its forming method |
| CN101308953A (en) * | 2008-07-04 | 2008-11-19 | 汤献维 | Special membrane and method for manufacturing radio-frequency label antenna |
| CN101420064A (en) * | 2008-12-08 | 2009-04-29 | 宗小林 | Producing method for RFID antenna |
-
2012
- 2012-06-13 CN CN2012101930901A patent/CN102723127A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001034732A (en) * | 1999-07-16 | 2001-02-09 | Toppan Forms Co Ltd | Formation of antenna for non-contact ic module |
| JP2005259605A (en) * | 2004-03-12 | 2005-09-22 | The Inctec Inc | Conductive sheet and its forming method |
| CN101308953A (en) * | 2008-07-04 | 2008-11-19 | 汤献维 | Special membrane and method for manufacturing radio-frequency label antenna |
| CN101420064A (en) * | 2008-12-08 | 2009-04-29 | 宗小林 | Producing method for RFID antenna |
Non-Patent Citations (1)
| Title |
|---|
| 汤文杰: "烫印--RFID天线制作新工艺", 《印刷工业》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668072A (en) * | 2013-12-09 | 2014-03-26 | 四川省宜宾普拉斯包装材料有限公司 | RFID anti-interference coating technology and imitation metal coating plastic product |
| CN103668072B (en) * | 2013-12-09 | 2016-02-03 | 四川省宜宾普拉斯包装材料有限公司 | A kind of anti-interference coating process of RFID and imitative metal coating plastics |
| CN108963422A (en) * | 2018-06-26 | 2018-12-07 | 中山国安火炬科技发展有限公司 | A kind of RFID antenna manufacturing process |
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Application publication date: 20121010 |