CN105160381A - Manufacturing technology of chip-free RFID label - Google Patents
Manufacturing technology of chip-free RFID label Download PDFInfo
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- CN105160381A CN105160381A CN201510581349.3A CN201510581349A CN105160381A CN 105160381 A CN105160381 A CN 105160381A CN 201510581349 A CN201510581349 A CN 201510581349A CN 105160381 A CN105160381 A CN 105160381A
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- antenna
- rfid label
- base material
- resonance circuit
- circuit pattern
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Abstract
The invention relates to a manufacturing technology of a chip-free RFID label, which comprises the steps of printing an antenna and a resonance circuit pattern on a piece of transfer paper; transferring a conductive metal onto a base material surface through vacuum vaporization method; transferring the printing of the antenna and the resonance circuit pattern on the transfer paper onto the base material surface; drying the base material with the antenna and the resonance circuit pattern; washing the conductive metal on the base material apart from the antenna and the resonance circuit pattern through a solvent; washing a printing layer on the base material surface apart from the antenna and the resonance circuit pattern through a washing lotion until the antenna and the resonance circuit are fully exposed; and plane polishing and levelling the exposed antenna, removing chips and overlaying film for packaging to obtain a chip-free RFID label. According to the manufacturing technology of the chip-free RFID label, the RFID label cost is greatly reduced; a chip-free RFID label can be obtained; advantages like excellent flexibility resistance and good toughness, low manufacturing cost and simple and good operation technology are provided; and wide application prospect is provided.
Description
Technical field
The present invention relates to technical field of RFID, particularly relate to a kind of manufacture craft of chipless RFID label.
Background technology
REID is one and utilizes radiofrequency signal to carry out the automatic identification technology of bidirectional transfer of information by Space Coupling.It is a kind of non-contact automatic identification technology, can automatically identify that destination object obtains data by radiofrequency signal, identify that lackey does not need manual intervention, have antimagnetic, waterproof, high temperature resistant, store the advantages such as data capacity is large, such as no-stop charging system, train transport monitor system, commodity five logistics management, streamline manufacturing automation, gate inhibition's safety management, livestock management etc. can be widely used in and will collect and process the application of data.But, relative to technology such as bar codes, the selling at exorbitant prices of RFID label tag and arrangement for reading.Wherein, the Costco Wholesale of chip is the main reason causing the selling at exorbitant prices of RFID label tag and arrangement for reading.For this reason, need to develop a kind of chipless RFID label.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned the deficiencies in the prior art, provides a kind of manufacture craft of chipless RFID label.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of manufacture craft of chipless RFID label, comprising:
Step S01: make antenna pattern according to the antenna designed in advance and resonant circuit structure, and described antenna and resonance circuit pattern are printed on transfer paper;
Step S02: utilize vacuum vapour deposition that conducting metal is transferred to base material and adopt surface;
Step S03: utilize thermal transfer that the pattern of harmonious for antenna on the described transfer paper circuit that shakes is transferred in substrate surface;
Step S04: the base material being printed on antenna and resonance circuit pattern is carried out drying and processing in the environment of vacuum, negative pressure;
Step S05: by the part beyond dissolution with solvents antenna and resonance circuit pattern;
Step S06: the printed layers being washed away the harmonious circuit pattern place that shakes of antenna on described transfer printing carrier surface by washing lotion, until antenna and resonant circuit are completely exposed;
Step S07: carry out plane polishing to exposed antenna, leveling process, removes chip, then overlay film encapsulation obtains chipless RFID label.
The invention has the beneficial effects as follows: the manufacture craft of a kind of chipless RFID label of the present invention, chipless RFID label can be obtained, greatly reduce the cost of RFID label tag, the advantages such as RFID label tag of the present invention has excellent folding resistance and good toughness, cost of manufacture is low, operating procedure is simple, have broad application prospects.
On the basis of technique scheme, the present invention can also do following improvement:
Further: described step S02 is implemented as: under vacuum conditions by the extremely evaporation of conducting metal heating and melting, gaseous state conducting metal condenses in described base material equably and adopts surface, forms very thin conductive metal layer.
The beneficial effect of above-mentioned further scheme is: can form very thin conductive metal layer by described vacuum vapour deposition, and make that substrate surface is smooth, smooth, thickness is even, has good stability.
Further: described conducting metal is copper or silver.
The beneficial effect of above-mentioned further scheme is: the conductivity of copper or silver is better, can ensure the stability of RFID label tag, improve its discrimination.
Further: the solvent in described step S05 is liquor ferri trichloridi, and the concentration of described liquor ferri trichloridi is 2.7-4.2mol/L, dissolution time is 20-25min.
The beneficial effect of above-mentioned further scheme is: liquor ferri trichloridi can dissolve the conducting metal not covering layer of resist, and any corrosion or lateral erosion can not be produced to layer of resist, make the pattern described base material only leaving antenna and resonant circuit, reach actual demand.
Further: it is carry out under 375-400 DEG C of condition that the heat in described step 03 is transferred in temperature.
The beneficial effect of above-mentioned further scheme is: what can ensure the clear patterns of described antenna and resonant circuit at this temperature is transferred to described substrate surface, and transferring effect is better, there will not be breach or part not to have the phenomenon of transfer printing.
Further: the air pressure in described step S04 is-40Kpa, the time of oven dry is 20min
The beneficial effect of above-mentioned further scheme is: by drying 20min under-40Kpa, and the printed layers on described base material can be made to do as early as possible, shortens the process time, improves the quality of the pattern of subsequent antenna and resonant circuit.
Further: the washing lotion washing away printed layers in described step S06 is mixed by industrial washing oil, non-ionic surfactant, organic acid, organic amine and water, emulsification forms.
The beneficial effect of above-mentioned further scheme is: the printed layers that can be washed away the patterned surfaces of described antenna and resonant circuit by described washing lotion eaily, raise the efficiency, avoid causing antenna and resonance circuit-line fracture subsequently through the mode of scrubbing, cause loose contact, affect the stability of chipless RFID label.
Accompanying drawing explanation
Fig. 1 is the fabrication processing figure of a kind of chipless RFID label of the present invention.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of fabrication processing figure of chipless RFID label, comprising:
Step S01: make antenna pattern according to the antenna designed in advance and resonant circuit structure, and described antenna and resonance circuit pattern are printed on transfer paper;
Step S02: utilize vacuum vapour deposition that conducting metal is transferred to base material and adopt surface;
Step S03: utilize thermal transfer that the pattern of harmonious for antenna on the described transfer paper circuit that shakes is transferred in substrate surface;
Step S04: the base material being printed on antenna and resonance circuit pattern is carried out drying and processing in the environment of vacuum, negative pressure;
Step S05: by the part beyond dissolution with solvents antenna and resonance circuit pattern;
Step S06: the printed layers being washed away the harmonious circuit pattern place that shakes of antenna on described transfer printing carrier surface by washing lotion, until antenna and resonant circuit are completely exposed;
Step S07: carry out plane polishing to exposed antenna, leveling process, removes chip, then overlay film encapsulation obtains chipless RFID label.
In the present embodiment, described step S02 is implemented as: under vacuum conditions by the extremely evaporation of conducting metal heating and melting, gaseous state conducting metal condenses in described base material equably and adopts surface, forms very thin conductive metal layer.Very thin conductive metal layer can be formed by described vacuum vapour deposition, and make that substrate surface is smooth, smooth, thickness is even, has good stability.
Preferably, described conducting metal is copper or silver.Because the conductivity of copper or silver is better, the stability of RFID label tag can be ensured, improve its discrimination.
Preferably, the solvent in described step S05 is liquor ferri trichloridi, and the concentration of described liquor ferri trichloridi is 2.7-4.2mol/L, and dissolution time is 20-25min.Because liquor ferri trichloridi can dissolve the conducting metal not covering layer of resist, and any corrosion or lateral erosion can not be produced to layer of resist, make the pattern described base material only leaving antenna and resonant circuit, reach actual demand.Liquor ferri trichloridi in above-mentioned concentration range can ensure to there will not be excessive dissolution to cause described antenna and resonant circuit to occur fracture or lateral erosion in the dissolution time of setting, affect electric stability, can under the prerequisite ensureing described antenna and resonance circuit quality, shorten dissolution time, improve dissolved efficiency.
In the present embodiment, it is carry out under 375-400 DEG C of condition that the heat in described step 03 is transferred in temperature.Printing material can be made at this temperature to reach printing required active, what ensure the clear patterns of described antenna and resonant circuit is transferred to described substrate surface, and transferring effect is better, there will not be breach or part not to have the phenomenon of transfer printing.
Preferably, the air pressure in described step S04 is-40Kpa, and the time of oven dry is 20min.By drying 20min under-40Kpa, the printed layers on described base material can be made to do as early as possible, shortening the process time, improve the quality of the pattern of subsequent antenna and resonant circuit.
Preferably, the washing lotion washing away printed layers in described step S06 is mixed by industrial washing oil, non-ionic surfactant, organic acid, organic amine and water, emulsification forms.In the present embodiment, the blending ratio of described industrial washing oil, non-ionic surfactant, organic acid, organic amine and water is 3:1.5:2:2.5:11.Here, the described wash liquid time is 5-10min.The printed layers of the patterned surfaces of described antenna and resonant circuit can be washed away eaily by described washing lotion, raise the efficiency, avoid causing antenna and resonance circuit-line fracture subsequently through the mode of scrubbing, cause loose contact, affect the stability of chipless RFID label.
The principle of work of chipless RFID is: when electromagnetic wave irradiation antenna, electromagnetic wave can be received, then absorb and scattering, when antenna can store information and backscattered modulation in scattering wave, make it possible to be read by read write line.The chipless RFID of manufacture of the present invention comprises a thorny antenna, an emitting antenna and resonant circuit, the receiving antenna of label receives the interrogation signal of reader transmitting, after resonant circuit, create frequency spectrum, then through emitting antenna, spectrum signal is reflected back reader.Starve the frequency spectrum that resonant circuit creates different, and as the unique ID of this RFID label tag.
The manufacture craft of a kind of chipless RFID label of the present invention, chipless RFID label can be obtained, greatly reduce the cost of RFID label tag, the advantages such as RFID label tag of the present invention has excellent folding resistance and good toughness, cost of manufacture is low, operating procedure is simple, have broad application prospects.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a manufacture craft for chipless RFID label, is characterized in that, comprising:
Step S01: make antenna and resonance circuit pattern according to the antenna designed in advance and resonant circuit structure, and described antenna and resonance circuit pattern are printed on transfer paper;
Step S02: utilize vacuum vapour deposition that conducting metal is transferred to base material and adopt surface;
Step S03: utilize thermal transfer that the pattern of harmonious for antenna on the described transfer paper circuit that shakes is transferred in substrate surface;
Step S04: the base material being printed on antenna and resonance circuit pattern is carried out drying and processing in the environment of vacuum, negative pressure;
Step S05: by the conducting metal in part beyond antenna described on base material described in dissolution with solvents and resonance circuit pattern;
Step S06: the printed layers being washed away the harmonious circuit pattern place that shakes of antenna on described substrate surface by washing lotion, until antenna and resonant circuit are completely exposed;
Step S07: carry out plane polishing to exposed antenna, leveling process, removes chip, then overlay film encapsulation obtains chipless RFID label.
2. the manufacture craft of a kind of chipless RFID label according to claim 1, it is characterized in that: described step S02 is implemented as: under vacuum conditions by the extremely evaporation of conducting metal heating and melting, gaseous state conducting metal condenses in described base material equably and adopts surface, forms very thin conductive metal layer.
3. the manufacture craft of a kind of chipless RFID label according to claim 2, is characterized in that: described conducting metal is copper or silver.
4. the manufacture craft of a kind of chipless RFID label according to claim 3, it is characterized in that: the solvent in described step S05 is liquor ferri trichloridi, and the concentration of described liquor ferri trichloridi is 2.7-4.2mol/L, dissolution time is 20-25min.
5. the manufacture craft of a kind of chipless RFID label according to claim 1, is characterized in that: it is carry out under 375-400 DEG C of condition that the heat in described step 03 is transferred in temperature.
6. the manufacture craft of a kind of chipless RFID label according to claim 1, it is characterized in that: the air pressure in described step S04 is-40Kpa, the time of oven dry is 20min.
7. a kind of manufacture craft of chipless RFID label according to any one of claim 1 to 6, is characterized in that: the washing lotion washing away printed layers in described step S06 is mixed by industrial washing oil, non-ionic surfactant, organic acid, organic amine and water, emulsification forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510581349.3A CN105160381B (en) | 2015-09-11 | 2015-09-11 | A kind of manufacture craft of chipless RFID label |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510581349.3A CN105160381B (en) | 2015-09-11 | 2015-09-11 | A kind of manufacture craft of chipless RFID label |
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| CN105160381A true CN105160381A (en) | 2015-12-16 |
| CN105160381B CN105160381B (en) | 2018-04-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273669A (en) * | 2016-08-08 | 2017-01-04 | 深圳劲嘉集团股份有限公司 | The process units of RFID tag and technique |
| CN106626769A (en) * | 2017-01-04 | 2017-05-10 | 北京舞马科技有限公司 | System and method for inkjet manufacturing of variable Chipless RFID |
| CN106739535A (en) * | 2017-03-09 | 2017-05-31 | 贵州劲嘉新型包装材料有限公司 | A kind of print system of chipless RFID electronic tag and printing process |
| CN106903981A (en) * | 2017-02-28 | 2017-06-30 | 深圳劲嘉集团股份有限公司 | RFID label tag process units and method |
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| US20020129488A1 (en) * | 2001-03-15 | 2002-09-19 | Daniel Lieberman | Method for the formation of RF antennas by demetallizing and RF antenna products formed thereby |
| CN2867631Y (en) * | 2005-10-09 | 2007-02-07 | 捷可通科技有限公司 | Thermal transfer printing wireless radio-frequency lable |
| CN101308953A (en) * | 2008-07-04 | 2008-11-19 | 汤献维 | Special membrane and method for manufacturing radio-frequency label antenna |
| CN103065180A (en) * | 2011-10-18 | 2013-04-24 | 哈尔滨大东方卷烟材料科技开发有限责任公司 | Manufacturing technology of chipless radio frequency identification (RFID) radio frequency tag |
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2015
- 2015-09-11 CN CN201510581349.3A patent/CN105160381B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020129488A1 (en) * | 2001-03-15 | 2002-09-19 | Daniel Lieberman | Method for the formation of RF antennas by demetallizing and RF antenna products formed thereby |
| CN2867631Y (en) * | 2005-10-09 | 2007-02-07 | 捷可通科技有限公司 | Thermal transfer printing wireless radio-frequency lable |
| CN101308953A (en) * | 2008-07-04 | 2008-11-19 | 汤献维 | Special membrane and method for manufacturing radio-frequency label antenna |
| CN103065180A (en) * | 2011-10-18 | 2013-04-24 | 哈尔滨大东方卷烟材料科技开发有限责任公司 | Manufacturing technology of chipless radio frequency identification (RFID) radio frequency tag |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273669A (en) * | 2016-08-08 | 2017-01-04 | 深圳劲嘉集团股份有限公司 | The process units of RFID tag and technique |
| CN106626769A (en) * | 2017-01-04 | 2017-05-10 | 北京舞马科技有限公司 | System and method for inkjet manufacturing of variable Chipless RFID |
| CN106626769B (en) * | 2017-01-04 | 2018-07-13 | 北京舞马科技有限公司 | A kind of Chipless RFID systems and method that ink-jet manufacture is variable |
| CN106903981A (en) * | 2017-02-28 | 2017-06-30 | 深圳劲嘉集团股份有限公司 | RFID label tag process units and method |
| CN106739535A (en) * | 2017-03-09 | 2017-05-31 | 贵州劲嘉新型包装材料有限公司 | A kind of print system of chipless RFID electronic tag and printing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105160381B (en) | 2018-04-06 |
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