CN103367011B - Anti-method and a kind of anti-thin film switch of divulging a secret of divulging a secret of a kind of thin film switch - Google Patents
Anti-method and a kind of anti-thin film switch of divulging a secret of divulging a secret of a kind of thin film switch Download PDFInfo
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- CN103367011B CN103367011B CN201310302627.8A CN201310302627A CN103367011B CN 103367011 B CN103367011 B CN 103367011B CN 201310302627 A CN201310302627 A CN 201310302627A CN 103367011 B CN103367011 B CN 103367011B
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Abstract
The invention provides anti-method and a kind of anti-thin film switch of divulging a secret of divulging a secret of a kind of thin film switch, method comprises the steps: 1), get base material preliminary drying and opaque first UV curable ink of selective local process black, solidification; 2) oil at the bottom of the region process black, outside printing first UV curable ink; 3), product gross area prints the second UV curable ink, the steps such as solidification.A kind of anti-thin film switch of divulging a secret comprises: on the base material of preliminary drying, selective local is provided with black non transparent first UV curable ink layer; Region outside first UV curable ink layer is provided with oil reservoir at the bottom of black etc.Thin film switch mainly adopts local selective to print different UV oil, oily, the two-sided gum in the end from base material, can produce different adhesive force, peeling force carries out localized chiasma replacement, prevents product to be disassembled rear circuit still for complete.
Description
Technical field
The present invention relates to the anti-method and apparatus of divulging a secret of a kind of thin film switch, particularly a kind of for POS or input password and wait the thin film switch of button product to prevent divulging a secret method and apparatus.
Background technology
Thin film switch is starched printed wire by silver and is replaced PCB and FPC, thus greatly reduces manufacturing cost, is widely used in the series of products such as key panel, POS.
Pos machine for punching the card, due to easy to carry, is widely used in business cooperation, supermarket, market, retail shop, express delivery, bank etc. at present, requires that confidentiality is high due to its particularity, requires that the anti-method for designing of divulging a secret of whole product is also wanted strictly with means; Usual POS shell is seamless design, namely terminal use can only use, can not adjust or insert decoding program, steal any information, shell can be opened in POS or destroy after shell by common process, complete membrane key circuit and hardware may be obtained, so user profile may be caused stolen by analysis circuit and some information.
Summary of the invention
Object of the present invention is exactly highly confidential in order to solve, and the fail safe of the similar POS machine series products of Anti-theft, better protects; Even if malice steal information, also can cause product self-locking or damage.
A kind of anti-method of divulging a secret of thin film switch, comprises the steps:
1), base material preliminary drying is got and opaque first UV curable ink of selective local process black, solidification;
2) oil at the bottom of the region process black, outside printing first UV curable ink;
3), product gross area prints the second UV curable ink, solidification;
4), again print the second UV curable ink and solidify, this time printing control rate is different from the speed in step 3; Control rate is different, and UV surface flatness can be caused different with thickness;
5), printing silver slurry circuit, baking;
6), print the 3rd UV curable ink, toe of weld line, solidification, and print silver starches pad, baking;
7), selective local pastes the two-sided gum of pressure-sensitive cement;
8), put together machines.
As a further improvement on the present invention, the first UV curable ink, the second UV curable ink, the 3rd UV curable ink are the UV curable ink that oil follows the ratio of diluent proportioning different.
As a further improvement on the present invention, described machine is key panel product.
As a further improvement on the present invention, described key panel product is POS.
As a further improvement on the present invention, when the circuit printing of silver slurry, set at least two loops and give each loop different resistances, different by each loop design line length, form different circuit impedance.
As a further improvement on the present invention, each loop is connected with earth connection respectively.
A kind of anti-thin film switch of divulging a secret, it comprises: on the base material of preliminary drying, selective local is provided with black non transparent first UV curable ink layer; Region outside first UV curable ink layer is provided with oil reservoir at the bottom of black; At the bottom of black non transparent first UV curable ink layer and black, oil reservoir is provided with two-layer second UV curable ink layer, and the surface flatness of two-layer second UV curable ink layer is different with thickness, the second UV curable ink layer is printed with silver slurry circuit; The 3rd UV curable ink layer is provided with above silver slurry circuit; Wire jumper layer on 3rd UV curable ink layer, black wire jumper layer is printed on silver slurry pad layer; On silver slurry pad layer, selective local pastes the two-sided gum of pressure-sensitive cement.
As a further improvement on the present invention, described silver slurry circuit, sets at least two loops and gives each loop different resistances, different by each return lead length, forms different circuit impedance.
As a further improvement on the present invention, each loop is connected with earth connection respectively.
As a further improvement on the present invention, the first UV curable ink, the second UV curable ink, the 3rd UV curable ink are the UV curable ink that oil follows the ratio of diluent proportioning different.
The invention has the beneficial effects as follows: thin film switch mainly adopts local selective to print different UV oil, oily, the two-sided gum in the end from base material, different adhesive force can be produced, peeling force carries out localized chiasma replacement, product is prevented to be disassembled rear circuit still for complete, traceable relevant information like this; The transparency is not possessed by this patent black UV and PET ink, therefore want that obtaining circuit relevant information must peel off UV layer, and product is selected after printing causes different adhesive force by local, can by physical damage in various degree, thus cause the destruction of irrecoverability stolen with prevention information as long as carry out stripping circuit.
On the other hand: different circuit exposes layout by circuit and length is different, different resistances can be produced when printing silver slurry, can regard as similar is built-in anti-theft cipher, if when stealing information, even if also unstripped wiring thin film, under damaging when shell is moulded in dismounting, puncturing the silver slurry situation such as circuit, distortion, when circuit resistance changes and exceedes set point, also can self-locked product software system, thus stop relevant information to be stolen.
Accompanying drawing explanation
Fig. 1 is the first UV curable ink of selectivity print;
Fig. 2 is 4 return lead figure of printing;
Fig. 3 is the second UV curable ink of selectivity print;
Fig. 4 is the 3rd UV curable ink of selectivity print.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Object of the present invention is exactly the shortcoming overcoming prior art, provides a kind of method and the circuit design recognition code itself that control to brush UV on base material, meets the needs of product.In order to achieve this end, the technical solution used in the present invention is as follows:
There is provided a kind of by change printing on substrates UV(UV curable ink) oil and combine the method for pasting PSA (contact adhesive), the different UV of main employing is oily, oily, the two-sided gum in the end can produce different adhesive force, peeling force carries out localized chiasma replacement, prevent product to be disassembled, method comprises the following steps:
1, base material preliminary drying is got and opaque first UV curable ink of selective local process black, solidification;
2, oil at the bottom of the region process black outside printing first UV curable ink;
3, product gross area prints the second UV curable ink, solidification;
4, again print the second UV curable ink and solidify; Control rate is different from step 3 speed, can reach two-layer second UV curable ink surface flatness different with thickness;
5, printing silver slurry circuit and baking;
6, the 3rd UV curable ink, wire jumper, solidification is printed, and print silver slurry PAD (padstack, pad); Roasting procedure is had equally after printing silver slurry circuit;
7, selective local pastes the two-sided gum of PSA;
8, POS is assembled;
According to said method, product physics is anti-divulge a secret in perfect.
When the circuit printing of silver slurry, set 4 loops and give the different resistance in each loop and carry out control realization intellectuality locking product.
The function situation that each module and unit complete is described below:
Different by each loop design length of circuit, then under square one printing, 4 different circuit impedances can be formed;
Each loop is connected with earth connection respectively;
Remain unchanged about print UV and silver slurry circuit technique thereof in the present invention, increased local printing newly and replaced, rubberizing and adhesive-free area, set the different resistance of circuit and device systems simultaneously.Also to be the place of feature be exactly simultaneously is not affecting under user uses prerequisite for difficult point of the present invention, and realize information security, leakage-preventing, anti-third party deliberately steals.
A kind of anti-thin film switch of divulging a secret, it comprises: on the base material of preliminary drying, selective local is provided with black non transparent first UV curable ink layer; Region outside first UV curable ink layer is provided with oil reservoir at the bottom of black; At the bottom of black non transparent first UV curable ink layer and black, oil reservoir is provided with two-layer second UV curable ink layer, and the surface flatness of two-layer second UV curable ink layer is different with thickness, the second UV curable ink layer is printed with silver slurry circuit; The 3rd UV curable ink layer is provided with above silver slurry circuit; Wire jumper layer on 3rd UV curable ink layer, black wire jumper layer is printed on silver slurry pad layer; On silver slurry pad layer, selective local pastes the two-sided gum of pressure-sensitive cement.
Described silver slurry circuit, sets at least two loops and gives each loop different resistances, different by each return lead length, forms different circuit impedance.Such as 4 loops, the number in loop is relevant with actual demand.Each loop is connected with earth connection respectively.
First UV curable ink, the second UV curable ink, the 3rd UV curable ink are the UV curable ink that oil follows the ratio of diluent proportioning different.
About UV curable ink:
The Main Ingredients and Appearance of UV curable ink comprises photopolymerization prepolymer, photo-sensitive monomer, Photoepolymerizationinitiater initiater, organic pigment and auxiliary agent etc.;
1. prepolymer prepolymer is also known as oligomer.It is the low polymer containing unsaturated functional group.Be most important component in UV ink, the character of its performance to solidification process and cured film plays a decisive role.
Preparing polymer is molecule in order to obtain having unsaturated bond.Requiring that this molecule is when being in certain condition, such as during UV-irradiation, unsaturatedly molecule crosslinkedly can become large molecule with other, become solid-state coating from liquid state, and these unsaturated molecules needing must keep stable, Fails To Respond before it is crosslinked.Oligomer the most frequently used in UV cured printing ink has epoxy acrylate, urethane acrylate, polyester acrylate and alkaline soluble acrylic resin etc.;
2. reactive diluent reactive diluent is also cross-linking monomer.It is a kind of micromolecular compound with unsaturated group (such as double bond).Can be cross-linked with oligomer under light illumination.Its molecular weight is between hundreds of to several thousand.
Effect reactive diluent being added the prepolymer of thickness is the viscosity regulating UV cured printing ink, control UV cured printing ink curing cross-linked density, improves the physical and mechanical properties of cured film as flexible and hardness etc.
Because reactive diluent has extremely important effect to the solidification process of UV cured printing ink and the character of cured film.Therefore, select suitable reactive diluent to be very important, generally will consider following critical nature: viscosity, degree of functionality, volatility, smell, toxicology property, dissolubility etc.Conventional reactive diluent has following several: tri (propylene glycol) diacrylate (TPGDA), Tetraethylene glycol diacrylate (TEGDA), tri methylol triacrylate (TMPTA) etc.
3. light trigger light trigger is the main component that any ultra-violet curing system all needs, and is generally under wavelength is 200 ~ 400nm UV-irradiation, can resolves into free radical, the material of initiated polymerization and crosslinked action.
As photochemical reaction, initator just becomes very active by after optical excitation absorb photons, produces free radical, and energy transferring, to high molecular polymer, produces chain reaction, linear resin changed into network structure, makes the ink film that ink solidification becomes tough and tensile.Because ultraviolet light source is difficult to make the double bond of photopolymerizing prepolymers directly to open, so when there is no Photoepolymerizationinitiater initiater, even photosensitive material, also can not solidify very soon.
Add a small amount of Photoepolymerizationinitiater initiater in ink, expose under ultraviolet light simultaneously; After light trigger absorption light quantum, decompose and generate free radical, so just start the initiation of chain, cause unsaturated double-bond polymerization reaction take place, make polymer molecule constantly be cross-linked to form network structure; Treat that free radical loses activity, the growth of chain stops, and ink just solidifies completely.The photoinitiator of UV cured printing ink is generally roughly divided into: homolysis type initator, carry Hydrogen initator and cationic initiators 3 kinds.
4. refer to can rapidly and free radical effect for polymerization inhibitor polymerization inhibitor, and slowing down or suppress undesirable chemical reaction substance, for extending the storage period of some monomer and resin, also claiming polymerization terminator, it comprises polymerization inhibitor and retarder.
Conventional polymerization inhibitor is hydroquinones, p methoxy phenol etc.
5. organic pigment and adjuvant pigments play coloration equally in UV ink, and it has a direct impact some characteristics of ink again.Pigment is water insoluble and the powder of the high degree of dispersion of the colour of organic solvent, black or white.
According to its source and chemical composition, be divided into organic pigment and the large class of inorganic pigment two.The pigment used in printing-ink is required quite high, particularly color, decentralization, transparency etc.
Require that the tone of color pigment is close to spectral color, saturation should be large as far as possible.Three-colour printing ink magenta used, green grass or young crops, yellow uitramarine transparency must be high, and all pigment not only will have resistance to water, and wants to combine with binder quickly and evenly, and the oil absorption of pigment should be too large, and pigment preferably has the performances such as alkaline-resisting, acidproof.Ink addition agent is used to regulate ink, and make it adapt to the auxiliary material of different printing condition, the performance of auxiliary agent directly affects the various indexs of ink.Ink addition agent kind is a lot, conventional remove glutinous agent, spread light dose, drier, anti-drier, diluent, antifriction liniment, finishing oil, anti-set-off agent, inking wet goods.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the anti-method of divulging a secret of thin film switch, is characterized in that, comprise the steps:
1), base material preliminary drying is got and opaque first UV curable ink of selective local process black, solidification;
2) oil at the bottom of the region process black, outside printing first UV curable ink;
3), product gross area prints the second UV curable ink, solidification;
4), again print the second UV curable ink and solidify, this time printing control rate is different from the speed in step 3;
5), printing silver slurry circuit, baking;
6), print the 3rd UV curable ink, toe of weld line, solidification, and print silver starches pad, baking;
7), selective local pastes the two-sided gum of pressure-sensitive cement;
8), put together machines.
2. the anti-method of divulging a secret of thin film switch according to claim 1, is characterized in that: the first UV curable ink, the second UV curable ink, the 3rd UV curable ink are the UV curable ink that oil follows the ratio of diluent proportioning different.
3. the anti-method of divulging a secret of thin film switch according to claim 1, is characterized in that: described machine is key panel product.
4. the anti-method of divulging a secret of thin film switch according to claim 3, is characterized in that: described key panel product is POS.
5. the anti-method of divulging a secret of thin film switch according to claim 1, is characterized in that: when the circuit printing of silver slurry, set at least two loops and give each loop different resistances, different by each loop design line length, forms different circuit impedance.
6. the anti-method of divulging a secret of thin film switch according to claim 5, is characterized in that: each loop is connected with earth connection respectively.
7. an anti-thin film switch of divulging a secret, is characterized in that: it comprises:
On the base material of preliminary drying, selective local is provided with black non transparent first UV curable ink layer; Region outside first UV curable ink layer is provided with oil reservoir at the bottom of black; At the bottom of black non transparent first UV curable ink layer and black, oil reservoir is provided with two-layer second UV curable ink layer, and the surface flatness of two-layer second UV curable ink layer is different with thickness, the second UV curable ink layer is printed with silver slurry circuit; The 3rd UV curable ink layer is provided with above silver slurry circuit; Wire jumper layer on 3rd UV curable ink layer, black wire jumper layer is printed on silver slurry pad layer; On silver slurry pad layer, selective local pastes the two-sided gum of pressure-sensitive cement.
8. the anti-thin film switch of divulging a secret of one according to claim 7, is characterized in that: described silver slurry circuit, sets at least two loops and give each loop different resistances, different by each return lead length, forms different circuit impedance.
9. the anti-thin film switch of divulging a secret of one according to claim 8, is characterized in that: each loop is connected with earth connection respectively.
10. the anti-thin film switch of divulging a secret of one according to claim 7, is characterized in that: the first UV curable ink, the second UV curable ink, the 3rd UV curable ink are the UV curable ink that oil follows the ratio of diluent proportioning different.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310302627.8A CN103367011B (en) | 2013-07-17 | 2013-07-17 | Anti-method and a kind of anti-thin film switch of divulging a secret of divulging a secret of a kind of thin film switch |
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| CN201310302627.8A CN103367011B (en) | 2013-07-17 | 2013-07-17 | Anti-method and a kind of anti-thin film switch of divulging a secret of divulging a secret of a kind of thin film switch |
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| CN103367011A CN103367011A (en) | 2013-10-23 |
| CN103367011B true CN103367011B (en) | 2016-02-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088822A (en) * | 2009-12-08 | 2011-06-08 | 三星半导体(中国)研究开发有限公司 | PCB (printed circuit board) substrate with welding spot self-protection function and manufacturing process of pad of PCB substrate |
| CN102148103A (en) * | 2010-02-06 | 2011-08-10 | 卢新华 | Membrane switch and manufacturing method thereof |
| CN102638947A (en) * | 2012-04-24 | 2012-08-15 | 杭州新三联电子有限公司 | Production technology of silver paste over-line printed circuit board |
| CN103096633A (en) * | 2011-11-03 | 2013-05-08 | 深南电路有限公司 | Solder resisting method for circuit board |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6106083B2 (en) * | 2011-04-28 | 2017-03-29 | 株式会社カネカ | New flexible printed circuit board with integrated conductive layer |
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- 2013-07-17 CN CN201310302627.8A patent/CN103367011B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088822A (en) * | 2009-12-08 | 2011-06-08 | 三星半导体(中国)研究开发有限公司 | PCB (printed circuit board) substrate with welding spot self-protection function and manufacturing process of pad of PCB substrate |
| CN102148103A (en) * | 2010-02-06 | 2011-08-10 | 卢新华 | Membrane switch and manufacturing method thereof |
| CN103096633A (en) * | 2011-11-03 | 2013-05-08 | 深南电路有限公司 | Solder resisting method for circuit board |
| CN102638947A (en) * | 2012-04-24 | 2012-08-15 | 杭州新三联电子有限公司 | Production technology of silver paste over-line printed circuit board |
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| CN103367011A (en) | 2013-10-23 |
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Address after: Liantang Industrial Zone No. 48 Longgang District of Shenzhen City, Guangdong province 518000 streets of the South Bay community danzhutou Kang way 6 Building 1 floor (half) and 2 building, 3 floor Patentee after: Shenzhen has become an electronic Limited by Share Ltd Address before: Liantang Industrial Zone No. 48 Longgang District of Shenzhen City, Guangdong province 518000 streets of the South Bay community danzhutou Kang way 6 Building 1 floor (half) and 2 building, 3 floor Patentee before: Shenzhen Zechin Electronics Co., Ltd. |