CN105844325A - Washable RFID tag and preparation method thereof - Google Patents
Washable RFID tag and preparation method thereof Download PDFInfo
- Publication number
- CN105844325A CN105844325A CN201610339578.9A CN201610339578A CN105844325A CN 105844325 A CN105844325 A CN 105844325A CN 201610339578 A CN201610339578 A CN 201610339578A CN 105844325 A CN105844325 A CN 105844325A
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- China
- Prior art keywords
- layer
- rfid chip
- diaphragm
- antenna traces
- electronic tag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G06K19/07745—Mounting details of integrated circuit chips
-
- 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
- G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
- G06K19/022—Processes or apparatus therefor
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Details Of Aerials (AREA)
Abstract
The invention provides a washable RFID tag, which comprises a substrate layer, an antenna line layer and an RFID chip, which are stacked up in sequence. The washable RFID tag also comprises a glue layer, a protection film and a flexible packaging layer. The glue layer is arranged on the surface, provided with the RFID chip, of the antenna line layer, and wraps pins of the RFID chip; the protection film is arranged on the surface, away from the substrate layer, of the antenna line layer, and wraps the RFID chip; and the substrate layer, the antenna line layer, the RFID chip, the glue layer and the protection film are packaged in the flexible packaging layer. The invention also relates to a preparation method of the washable RFID tag. The washable RFID tag adopts the glue layer, the protection film and the flexible packaging layer to realize layer-by-layer wrapping and realize multiple-layer waterproof reinforcement and has the advantages of being waterproof, washable and long in service life and the like.
Description
Technical field
The present invention relates to electronic tag field, particularly relate to a kind of water-fastness electronic tag and preparation method thereof.
Background technology
Along with the development of Internet of Things, all trades and professions are more and more higher to the requirement of electronic tag.Existing electronics mark
Sign and be typically all face mark layer, antenna stack and the RFID chip arranged by lamination successively.Such electronic tag leads to
It is commonly encountered water or just cannot normally work after rubbing, being not suitable for the application of the industries such as washing.
The Chinese patent of Publication No. CN 103473594 A propose a kind of flexible extensible electronic tag and
Preparation method, this flexible extensible electronic tag is by flexible silicon matrix body, metal nanometer line antenna circuit and core
Sheet, described metal nanometer line antenna circuit and chip electrical connection, described metal nanometer line antenna circuit and chip
All it is embedded in flexible silicon matrix body.The program is prevented from electronic tag to a certain extent and is washed with water or gently
Degree lost efficacy after rubbing, but, relatively big or when running into high temperature, strong acid, highly basic equal solvent when rubbing intensity, pole
The antenna circuit easily causing this electronic tag separates with chip, antenna circuit or wafer damage, thus causes electricity
Subtab is unavailable.
Summary of the invention
The technical problem to be solved is: provide a kind of water-fastness electronic tag and preparation method thereof,
Being prevented from after electronic tag soaked, rubs or contact strong acid, strong base substance, antenna or wafer damage are led
Send a telegraph subtab invalid.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of water-fastness electronic tag, substrate layer, antenna traces layer and the RFID arranged including lamination successively
Chip, also includes glue-line, diaphragm and flexible package layer；Described glue-line is arranged at antenna traces layer and is provided with
The one side of RFID chip, and the pin of described RFID chip is coated with；Described diaphragm is arranged at antenna line
Road floor is away from the one side of substrate layer, and is coated with described RFID chip；Described substrate layer, antenna traces layer,
RFID chip, glue-line and diaphragm are all encapsulated in flexible package layer.
Another technical scheme that the present invention provides is:
A kind of preparation method of water-fastness electronic tag, including:
Junction with the pin of glue cladding RFID chip with antenna traces；
Antenna traces arranges the diaphragm of cladding RFID chip；
Base material, antenna traces, RFID chip and diaphragm are encapsulated in flexible polymer.
The beneficial effects of the present invention is:
(1) the water-fastness electronic tag of the present invention, carries out solid by arranging glue-line to the pin of RFID chip
Fixed, prevent the impaired destruction of pin portions of RFID chip；And diaphragm cladding RFID is set at antenna traces layer
Chip, carries out further protection to RFID chip；Also set up flexible package layer by substrate layer, antenna traces
Layer, RFID chip, glue-line and diaphragm entirety are encapsulated, and are on the one hand prevented from the materials such as water and enter
Inside causes electronic tag to lose efficacy；On the other hand it is prevented from electronic tag to be damaged because rubbing etc..This
Invent water-fastness electronic tag, use glue-line, diaphragm and flexible package layer to be coated with layer by layer, it is achieved many
Weight waterproofing reinforcement, have waterproof, resistance to rub, the advantage such as length in service life.
(2) preparation method of the water-fastness electronic tag of the present invention, with glue by the pin of RFID and antenna line
Road is fixed, it is to avoid the pin of RFID chip comes off or damages；And cladding RFID core is set in antenna traces
The diaphragm of sheet, carries out further protection to RFID chip；Finally by base material, antenna traces, RFID
Chip and diaphragm are encapsulated in flexible polymer, it is possible to effectively prevent the materials such as water from entering inside electronic tag
Electronic tag is caused to lose efficacy, it is also possible to prevent RFID chip and antenna traces from damaging because rubbing etc..
Accompanying drawing explanation
Fig. 1 is the structural representation one of the water-fastness electronic tag of the embodiment of the present invention one；
Fig. 2 is the structural representation two of the water-fastness electronic tag of the embodiment of the present invention one.
Label declaration:
1, substrate layer；2, antenna traces layer；3, RFID chip；4, glue-line；5, diaphragm；6, soft
Property encapsulated layer.
Detailed description of the invention
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment also
Accompanying drawing is coordinated to be explained.
The design of most critical of the present invention is: arranges glue-line, diaphragm and flexible package layer and carries out multiple waterproof
Reinforce.
Refer to Fig. 1, the present invention provides a kind of water-fastness electronic tag, the substrate layer arranged including lamination successively
1, antenna traces layer 2 and RFID chip 3, also includes glue-line 4, diaphragm 5 and flexible package layer 6；
Described glue-line 4 is arranged at antenna traces layer 2 and is provided with the one side of RFID chip 3, and by described RFID chip
The pin cladding of 3；Described diaphragm 5 is arranged at the antenna traces layer 2 one side away from substrate layer 1, and is coated with
Described RFID chip 3；Described substrate layer 1, antenna traces layer 2, RFID chip 3, glue-line 4 and guarantor
Cuticula 5 is all encapsulated in flexible package layer 6.
Knowable to foregoing description, having the beneficial effects that of the water-fastness electronic tag of the present invention: solid by glue-line 4
Determine the pin of RFID chip 3, enhance the sealing at pin and stability, it is to avoid RFID chip 3
Pin comes off or damages；And diaphragm 5 is set at antenna traces layer 2 RFID chip 3 is carried out further
Protection；Prevent the material entrance inside such as water from causing electronic tag to lose efficacy also by arranging flexible package layer 6, with
And electronic tag is damaged because rubbing etc..
Further, described diaphragm 5 covers the surface of described antenna traces layer 2 or covers described antenna line
Road floor 2 and the surface of substrate layer 1.
Knowable to foregoing description, antenna traces layer 2 and RFID chip 3 are protected by diaphragm 5, it is to avoid
External substance damages antenna traces layer 2 and RFID chip 3 after entering flexible package layer 6.Diaphragm 5 also may be used
To cover described antenna traces layer 2, the surface of substrate layer 1, by substrate layer 1, antenna traces layer 2, RFID
Chip 3 and glue-line 4 all wrap up.
Further, described diaphragm 5 is polyimides diaphragm 5.
Knowable to foregoing description, polyimides diaphragm 5 can effectively prevent high temperature, strong acid, highly basic etc. broken
Bad electronic tag.Diaphragm 5 can also be made for other materials, it is possible to plays identical protective effect.
Further, described glue-line 4 is UV colloid layer.
Knowable to foregoing description, use UV colloid layer to fix pin is the present invention the one of RFID and be embodied as
Example, it is possible to use other colloid layer substitutes.
Further, described flexible package layer 6 includes being molded silica gel.
Knowable to foregoing description, injection silica gel is the preferred material of the flexible package layer 6 of the present invention, processes note
Mould silica gel, it is possible to use in prior art, any flexible sealing that is capable of is protected and do not affects electronic tag work
The material made.
Further, described substrate layer 1 is FCCL substrate layer.
Knowable to foregoing description, FCCL base material has good performance and stability, for guaranteeing that electronic tag is steady
Determine work and provide reliable guarantee.
Another technical scheme of the present invention is:
A kind of preparation method of water-fastness electronic tag, including:
Junction with the pin of glue cladding RFID chip with antenna traces；
Antenna traces arranges the diaphragm of cladding RFID chip；
Base material, antenna traces, RFID chip and diaphragm are encapsulated in flexible polymer.
Knowable to foregoing description, having the beneficial effects that of the preparation method of the water-fastness electronic tag of the present invention: adopt
It is coated with layer by layer with glue, diaphragm and flexible polymer, it is achieved multiple waterproofing reinforcement, has waterproof, resistance to
Rub, the advantage such as length in service life.
Further, described diaphragm covers antenna traces and is provided with the surface of RFID chip；Described diaphragm is
Polyimides diaphragm.
Knowable to foregoing description, diaphragm is for protecting RFID chip and antenna traces, concrete,
Owing to antenna traces and RFID chip be not in approximately the same plane, accordingly, it would be desirable to arrange antenna traces and RFID
The difference in height of chip, carries out pressing setting further according to difference in height.Described diaphragm can also be arranged on antenna line
Road and the surface of base material, all wrap up base material, antenna traces, RFID chip.Polyimides is protected
Film carries out high temperature, strong acid, highly basic protection to RFID chip and antenna traces；Protection mould can also be can be real
The other materials of existing same effect.
Further, described " base material, antenna traces, RFID chip and diaphragm are encapsulated in flexible polymer
In thing " particularly as follows: be molded silica gel to base material, antenna traces, RFID chip and diaphragm, by base material, sky
Line circuit, RFID chip and diaphragm are encapsulated in silica gel.
Knowable to foregoing description, the mode arranging encapsulated layer has multiple, can use Shooting Technique, it is also possible to
Use additive method, the preferred Shooting Technique of the present invention.
Further, it is connected by SMT technique between the pin of described RFID chip and antenna traces.
Refer to Fig. 1 and Fig. 2, embodiments of the invention one are:
A kind of water-fastness electronic tag, including substrate layer, antenna traces layer, RFID chip, UV glue-line,
Polyimides diaphragm and injection layer of silica gel, described RFID chip has unique ID code；Described substrate layer
Being provided with antenna traces layer, antenna traces layer is provided with RFID chip, wherein the pin of RFID chip and sky
Connected by SMT technique between line circuit, and the pin of RFID chip is strengthened by UV glue-line fixing；
Being additionally provided with polyimides diaphragm on antenna traces layer and RFID chip, polyimides diaphragm is fitted tightly over
On antenna traces layer and RFID chip；Injection layer of silica gel by substrate layer, antenna traces layer, RFID chip with
And in polyimides diaphragm is all encapsulated in, is formed and seal protection.As shown in Figure 1.Preferably, described base
Sheet material layers is FCCL substrate layer.
In a preferred embodiment, polyimides diaphragm is wrapped in substrate layer, antenna traces layer and RFID core
The surface of sheet, as shown in Figure 2.
Refer to Fig. 1 and Fig. 2, embodiments of the invention two are:
A kind of preparation method of water-fastness electronic tag, including step:
Base material use exposure/etch process make antenna traces；
RFID chip is arranged in antenna traces by SMT technique,
UV glue is used to carry out strengthening fixing by pin and the antenna traces of RFID chip；
Polyimides diaphragm entirety pressing is arranged in antenna traces and RFID chip so that antenna traces
It is in sealing state with RFID chip；Specifically, in this step, due to polyimide film it is generally required to adopt
Carrying out bonding with semi-solid preparation colloid, polyimide film and antenna traces and RFID chip need to use planar pressing
Machine pressing, and due to during pressing antenna traces and RFID chip not in approximately the same plane, there is height between the two
It is poor to spend, it is therefore desirable to press equipment carries out in advance pressing parameter setting according to this difference in height；Remaining parameter
The scope of being preferably provided with is: pressure 60-100kg, temperature 170-200 DEG C, pressing time 90-120s；In pressing
After shaping, use 160-200 DEG C of oven cooking cycle can make after solidifying 45 minutes to 1 hour polyimide film with
Antenna traces and RFID chip are completely combined solidification, it is achieved the entirety of antenna traces and RFID chip is the closeest
Envelope；
It is molded silica gel, by base material, antenna traces, RFID to base material, antenna traces, RFID chip and diaphragm
Chip and diaphragm are encapsulated in silica gel.
The technique of above-mentioned " being molded silica gel to base material, antenna traces, RFID chip and diaphragm " is as follows:
Clean mould after being heated in advance by injection molding mould 30～40 minutes, then this mould is carried out again
Heating；Silica gel piece is put into mill, slice after the most mixing；Silica gel piece after the most mixing is cut into list
Sheet, the size of this monolithic is monolateral about 1 to 3cm than RFID antenna；First by a piece of injection silica gel cut
Sheet puts into the most heated good mould, is then placed in needing the RFID antenna of injection, and this RFID antenna is i.e.
The connector of base material, antenna traces and RFID chip；One piece of injection silica gel piece is put into again in RFID antenna,
This mould is heated and makes the sulfuration of its silica gel fixing, the cure time 190-210 second；Take out the product after injection to place
Pallet tool, the product obtained is above-mentioned water-fastness electronic tag.
Use the electronic tag that the method for the present embodiment is produced as shown in Figure 1.In the present embodiment, described base
Material preferred FCCL base material.
In a preferred embodiment, polyimides diaphragm is arranged on base material, antenna traces and RFID chip
Surface.The electronic tag produced is as shown in Figure 2.
In sum, water-fastness electronic tag that the present invention provides and preparation method thereof, UV glue-line is to RFID
The pin of chip carries out strengthening fixing, and prevents RFID chip from coming off or pin damages；Polyimides diaphragm pastes
Conjunction is arranged in antenna traces layer and RFID chip, antenna traces and RFID chip are carried out high temperature, strong acid,
Highly basic is protected；Injection layer of silica gel is again to substrate layer, antenna traces layer, RFID chip and polyimides diaphragm
Carry out sealing protection so that overall electronic tag have waterproof, resistance to rub, high temperature resistant, acid and alkali-resistance etc. excellent
Point, it is possible to effectively extend the service life of electronic tag, and enhance the applicability of electronic tag.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every profit
The equivalents made by description of the invention and accompanying drawing content, or directly or indirectly it is used in relevant technology
Field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (10)
1. a water-fastness electronic tag, substrate layer, antenna traces layer and the RFID arranged including lamination successively
Chip, it is characterised in that also include glue-line, diaphragm and flexible package layer；Described glue-line is arranged at sky
Line line layer is provided with the one side of RFID chip, and is coated with by the pin of described RFID chip；Described diaphragm
It is arranged at the antenna traces layer one side away from substrate layer, and is coated with described RFID chip；Described substrate layer, sky
Line line layer, RFID chip, glue-line and diaphragm are all encapsulated in flexible package layer.
Water-fastness electronic tag the most according to claim 1, it is characterised in that described diaphragm covers
The surface of described antenna traces layer or cover described antenna traces layer and the surface of substrate layer.
Water-fastness electronic tag the most according to claim 1, it is characterised in that described diaphragm is poly-
Acid imide diaphragm.
Water-fastness electronic tag the most according to claim 1, it is characterised in that described glue-line is UV
Colloid layer.
5. according to the water-fastness electronic tag described in Claims 1-4 any one, it is characterised in that institute
State flexible package layer to include being molded silica gel.
6. according to the water-fastness electronic tag described in Claims 1-4 any one, it is characterised in that institute
Stating substrate layer is FCCL substrate layer.
7. the preparation method of a water-fastness electronic tag, it is characterised in that including:
Junction with the pin of glue cladding RFID chip with antenna traces；
Antenna traces arranges the diaphragm of cladding RFID chip；
Base material, antenna traces, RFID chip and diaphragm are encapsulated in flexible polymer.
The preparation method of water-fastness electronic tag the most according to claim 7, it is characterised in that described
Diaphragm covers antenna traces and is provided with the surface of RFID chip；Described diaphragm is polyimides diaphragm.
The preparation method of water-fastness electronic tag the most according to claim 7, it is characterised in that described
" base material, antenna traces, RFID chip and diaphragm are encapsulated in flexible polymer " particularly as follows: to base
Material, antenna traces, RFID chip and diaphragm injection silica gel, by base material, antenna traces, RFID chip
It is encapsulated in silica gel with diaphragm.
The preparation method of water-fastness electronic tag the most according to claim 7, it is characterised in that institute
State and be connected by SMT technique between the pin of RFID chip and antenna traces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339578.9A CN105844325A (en) | 2016-05-20 | 2016-05-20 | Washable RFID tag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610339578.9A CN105844325A (en) | 2016-05-20 | 2016-05-20 | Washable RFID tag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105844325A true CN105844325A (en) | 2016-08-10 |
Family
ID=56593007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610339578.9A Pending CN105844325A (en) | 2016-05-20 | 2016-05-20 | Washable RFID tag and preparation method thereof |
Country Status (1)
| Country | Link |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106447014A (en) * | 2016-10-19 | 2017-02-22 | 厦门英诺尔电子科技股份有限公司 | High-temperature-resistant tag and application thereof |
| CN108993835A (en) * | 2018-07-16 | 2018-12-14 | 成都捷翼电子科技有限公司 | A kind of novel segment difference fill method |
| CN109146042A (en) * | 2017-06-27 | 2019-01-04 | 深圳市方卡科技股份有限公司 | A kind of production method of RFID washing label |
| CN109308510A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of RFID based on CSP technique washes mark electronic tag and preparation method thereof |
| CN109308511A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of RFID based on module packaging technology washes mark electronic tag and preparation method thereof |
| CN109308513A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of improved RFID washes mark electronic tag and preparation method thereof |
| CN109308512A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of washable RFID washes mark electronic tag and preparation method thereof |
| CN110378452A (en) * | 2019-08-16 | 2019-10-25 | 无锡品冠物联科技有限公司 | One kind is water-fastness to sew silica gel electronic tag and preparation method thereof |
| CN110956246A (en) * | 2019-11-25 | 2020-04-03 | 北京宏诚创新科技有限公司 | Low-temperature-resistant ultrahigh-frequency wireless radio frequency identification module and manufacturing method thereof |
| IT201900003653A1 (en) * | 2019-03-13 | 2020-09-13 | Technores S R L | RFID antenna for flexible media and respective method of application |
| CN113077030A (en) * | 2020-01-03 | 2021-07-06 | 北京梦之墨科技有限公司 | RFID washing electronic tags |
| CN115036669A (en) * | 2022-06-22 | 2022-09-09 | 江苏长电科技股份有限公司 | Antenna packaging structure and manufacturing method thereof |
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| CN202916858U (en) * | 2012-09-13 | 2013-05-01 | 江苏富纳电子科技有限公司 | Flexible waterproof high reliability electronic label |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106447014A (en) * | 2016-10-19 | 2017-02-22 | 厦门英诺尔电子科技股份有限公司 | High-temperature-resistant tag and application thereof |
| CN109146042A (en) * | 2017-06-27 | 2019-01-04 | 深圳市方卡科技股份有限公司 | A kind of production method of RFID washing label |
| CN109308510A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of RFID based on CSP technique washes mark electronic tag and preparation method thereof |
| CN109308511A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of RFID based on module packaging technology washes mark electronic tag and preparation method thereof |
| CN109308513A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of improved RFID washes mark electronic tag and preparation method thereof |
| CN109308512A (en) * | 2017-07-28 | 2019-02-05 | 无锡品冠物联科技有限公司 | A kind of washable RFID washes mark electronic tag and preparation method thereof |
| CN108993835A (en) * | 2018-07-16 | 2018-12-14 | 成都捷翼电子科技有限公司 | A kind of novel segment difference fill method |
| IT201900003653A1 (en) * | 2019-03-13 | 2020-09-13 | Technores S R L | RFID antenna for flexible media and respective method of application |
| CN110378452A (en) * | 2019-08-16 | 2019-10-25 | 无锡品冠物联科技有限公司 | One kind is water-fastness to sew silica gel electronic tag and preparation method thereof |
| CN110956246A (en) * | 2019-11-25 | 2020-04-03 | 北京宏诚创新科技有限公司 | Low-temperature-resistant ultrahigh-frequency wireless radio frequency identification module and manufacturing method thereof |
| CN113077030A (en) * | 2020-01-03 | 2021-07-06 | 北京梦之墨科技有限公司 | RFID washing electronic tags |
| CN115036669A (en) * | 2022-06-22 | 2022-09-09 | 江苏长电科技股份有限公司 | Antenna packaging structure and manufacturing method thereof |
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