CN112213849A - Method for verifying anti-counterfeiting font and pattern - Google Patents
Method for verifying anti-counterfeiting font and pattern Download PDFInfo
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- CN112213849A CN112213849A CN202011088595.2A CN202011088595A CN112213849A CN 112213849 A CN112213849 A CN 112213849A CN 202011088595 A CN202011088595 A CN 202011088595A CN 112213849 A CN112213849 A CN 112213849A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/32—Micromanipulators structurally combined with microscopes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/16—Letters, numerals, or other symbols adapted for permanent fixing to a support
- G09F7/165—Letters, numerals, or other symbols adapted for permanent fixing to a support obtained by a treatment of the support
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/006—Manipulation of neutral particles by using radiation pressure, e.g. optical levitation
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Abstract
The invention discloses a verification method of anti-counterfeiting font patterns, which comprises the steps of particle extraction, particle fluorescent dyeing, dial plate positioning, particle optical tweezers printing and sign observation and verification, wherein the device comprises an optical radiation press, an operation box, an optical pressure generator and an electronic microscope eyepiece, a space track is arranged inside the optical radiation press, a driving motor is welded on the optical pressure generator, a driving gear is arranged on an output shaft of the driving motor, the optical pressure generator is arranged on the space track through the driving gear, an optical pressure chamber is arranged inside the optical pressure generator, and an optical tweezers head is arranged inside the optical pressure chamber.
Description
The application is a divisional application of an invention patent application with the application number of 201810741238.8, wherein the application date of the invention is 2018, 07, 08 and the name of the invention is 'a method and a device for verifying font patterns by using anti-counterfeiting microscopic optical tweezers particles'.
Technical Field
The invention discloses a verification method of an anti-counterfeiting font pattern, and belongs to the technical field of optical tweezers research.
Background
The anti-counterfeiting mark is a mark which is printed on a commodity produced by a merchant and is convenient for a consumer to distinguish the authenticity of the commodity, but most of the existing anti-counterfeiting marks adopt patterns or numbers to be printed on the commodity, and the technology is imitated by lawless persons, so that the anti-counterfeiting mark no longer has unique authority.
Therefore, the invention provides a verification method of an anti-counterfeiting font pattern.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a verification method of anti-counterfeiting font patterns to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for verifying an anti-counterfeiting font pattern comprises the following steps:
and (3) extracting particles: an operator firstly opens the electric sealing door, places an experimental vessel containing a particle swarm on an operation table, observes the particle swarm in the experimental vessel through an electron microscope eyepiece, opens an optical tweezers switch, then controls the angle of a light beam emitted by an optical tweezers head through adjusting a refraction switch, the optical tweezers head generates the light beam with energy to act on the surface of the particle, so as to form a gradient force optical trap capable of controlling the space position of the particle, thus realizing the air-isolated tweezers taking effect on the particle, then controls an optical pressure generator with the optical tweezers head to move through adjusting a driving control switch, indirectly finishes the tweezers taking of the particle and moves the particle into an extraction vessel, extracts a corresponding required number of particle particles into the extraction vessel according to the mode, and finishes the extraction process of the particle;
fluorescent staining of the particles: an operator places the extraction vessel containing the selected particles on a placing table, then adds corresponding fluorescent coloring agents into the extraction vessel, and finishes the fluorescent coloring effect on the particle particles after waiting for 5min, and at the moment, the selected particle particles can generate corresponding fluorescent colors under the observation of an electron microscope;
positioning of the dial: an operator opens the electric sealing door on one side of the operation box, then places the dial plate to be printed with patterns on the driving positioner, and controls the driving positioner to move by controlling the positioner knob until the driving positioner clamps and fixes the dial plate, and then the driving positioner stops moving, so that the dial plate is fixed;
optical tweezers printing of particles: placing an extraction vessel containing dyeing particles on an operation table by an operator, then opening an optical tweezers switch to enable a light beam with energy and momentum to be emitted by an optical tweezers head, controlling the angle of the light beam through a refraction switch to pick up the dyed particles through empty tweezers, then adjusting a driving control switch to enable an optical pressure generator to control the dyeing particles to move, adjusting the optical tweezers switch after moving to a required position to enable the output power of the optical tweezers head to be increased, then inlaying the dyed particles on a dial plate, inlaying all the dyeing particles on the dial plate one by one according to the track of anti-counterfeiting mark patterns, finally printing the particles on the dial plate in an optical tweezers manner, and arranging the printed dyeing particles to form anti-counterfeiting mark patterns;
and (4) observation and examination of the mark: operating personnel is through controlling the locator knob, make the drive locator loosen the dial plate, take out the dial plate from the operation afterwards, use the rough abrasive paper in surface to rub, place the dial plate on the drive locator again afterwards, and it is fixed to control the locator knob and carry out the centre gripping with the dial plate once more, operating personnel passes through the anti-fake pattern that the dyeing particle arrangement formed on the electron microscope eyepiece observation dial plate afterwards, observe and detect whether its pattern is through the back of rubbing, the condition of fading appears appearing in the colour, if the pattern of fluorescence does not appear subducing, then explain that this anti-fake particle sign audits and passes through.
The utility model provides a verification device of anti-fake typeface pattern, includes ray radiation press, control box, light pressure generator and electron microscope eyepiece, the inside of ray radiation press is provided with the space track, the last welding of light pressure generator has driving motor, be provided with drive gear on driving motor's the output shaft, the light pressure generator passes through drive gear and installs on the space track, the inside of light pressure generator is provided with the light pressure chamber, the inside of light pressure chamber is provided with the light tweezers head, the bottom of light tweezers head is provided with electronic refraction lens, one side of ray radiation press is provided with the light tweezers switch, the bottom of light tweezers switch is provided with refraction switch, the bottom of ray radiation press is provided with the placing table, there is the drive control switch at the top of placing table through bolted connection, the control box sets up in the bottom of placing table, the inside of control box is provided with the operation panel, the top of operation panel is provided with the drive locator, one side welding of control box has the objective case, the electron microscope eyepiece sets up the top at the objective case, the bottom of control box is provided with the storage tank, one side of storage tank is provided with the locator knob.
In a preferred embodiment of the present invention, an electric sealing door is installed on one side of the operation box.
As a preferred embodiment of the present invention, the console is provided with a control button, the driving motor is a three-phase asynchronous motor, and the driving control switch is connected to the driving motor through a wire.
In a preferred embodiment of the present invention, the refraction switch is connected to the electric refraction lens through a wire, and the positioner knob is connected to the driving positioner through a wire.
In a preferred embodiment of the present invention, an objective tube is disposed inside the objective box, and an electron microscope objective is disposed on one side of the console, and the electron microscope objective is connected to the electron microscope eyepiece through the objective tube.
In a preferred embodiment of the present invention, the top of the light radiation press is provided with heat radiation holes.
In a preferred embodiment of the present invention, a wire placing box is connected to one side of the light irradiation press by bolts, and a data line and an integrated board are disposed inside the wire placing box.
In a preferred embodiment of the present invention, a storage cavity is disposed inside the storage box, and a storage box door is disposed on the storage box.
As a preferred embodiment of the invention, the number of the optical tweezers heads and the number of the electric refraction lenses are 2.
The invention has the beneficial effects that:
1. the method and the device for verifying the font and the pattern by the anti-counterfeiting microscopic verification of the optical tweezers particles utilize the fluorescent dyeing technology to dye the particles, thereby improving the definition of the printed anti-counterfeiting pattern and facilitating the observation and the identification of consumers under an electron microscope;
2. the method and the device for verifying the font patterns on the anti-counterfeiting microscopic scale by the optical tweezers particles utilize the optical tweezers technology to print the particles on the expensive dial one by one and form a unique anti-counterfeiting mark, and if the anti-counterfeiting mark is observed and distinguished, a consumer can observe the anti-counterfeiting patterns formed by the arrangement of the particles through an electron microscope, so that the safety and the authority of the anti-counterfeiting mark are improved;
3. the method and the device for verifying the font and the pattern in the anti-counterfeiting microscopic mode through the optical tweezers particles have the advantages that the step of auditing is designed, the dial plate printed with the particles is repeatedly rubbed through abrasive paper, then whether the anti-counterfeiting mark of the watch fades or not is observed through an electron microscope, and the process detects whether the particles rub or fade or not when the watch is worn.
4. The method and the device for verifying the font and the pattern through the anti-counterfeiting microscopic verification of the optical tweezers particles are novel in design, reasonable in structure and capable of printing the particles on the dial plate to form the anti-counterfeiting pattern with high precision.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for verifying an anti-counterfeit character pattern according to the present invention;
FIG. 2 is a front view of a device for verifying an anti-counterfeit font pattern according to the present invention;
FIG. 3 is a flow chart of a method for verifying an anti-counterfeit font pattern according to the present invention;
in the figure: the device comprises a 1-light radiation press, a 2-placing table, a 3-storage box, a 4-operation box, a 5-circuit placing box, a 6-objective box, a 7-electron microscope eyepiece, an 8-drive control switch, a 9-heat dissipation hole, a 10-light tweezer switch, an 11-refraction switch, a 12-positioner knob, a 13-light pressure generator, a 14-drive gear, a 15-space track, a 16-light tweezer head, a 17-electric refraction lens, an 18-electric sealing door, a 19-operation table and a 20-drive positioner.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: a method for verifying an anti-counterfeiting font pattern comprises the following steps:
and (3) extracting particles: an operator firstly opens the electric sealing door 18, places an experimental vessel containing a particle swarm on an operation table 19, observes the particle swarm in the experimental vessel through an electron microscope eyepiece 7, opens the optical tweezers switch 10, then controls the angle of a light beam emitted by the optical tweezers head 16 through adjusting the refraction switch 11, the optical tweezers head 16 generates the light beam with energy to act on the surface of the particle, so as to form a gradient force optical trap capable of controlling the space position of the particle, thus realizing the air isolation tweezers taking effect on the particle, and then controls the light pressure generator 13 with the optical tweezers head 16 to move through adjusting the driving control switch 8, indirectly finishes the tweezers taking the particle and moves the particle into the extraction vessel, extracts the particle particles with corresponding required quantity into the extraction vessel according to the mode, and finishes the extraction process of the particle;
fluorescent staining of the particles: an operator places the extraction vessel containing the selected particles on the placing table 2, then adds corresponding fluorescent coloring agent into the extraction vessel, and finishes the fluorescent coloring effect on the particle particles after waiting for 5min, and at the moment, the selected particle particles can generate corresponding fluorescent colors under the observation of an electron microscope;
positioning of the dial: an operator opens the electric sealing door 18 on one side of the operation box 4, then places the dial plate to be printed with patterns on the driving positioner 20, and controls the driving positioner 20 to move by operating the positioner knob 12 until the driving positioner 20 clamps and fixes the dial plate, and then the driving positioner 20 stops moving, so that the dial plate is fixed;
optical tweezers printing of particles: placing an extraction vessel containing dyeing particles on an operation table 19, then opening an optical tweezers switch 10 to enable a light beam with energy and momentum to be emitted by an optical tweezers head 16, controlling the angle of the light beam through a refraction switch 11 to take the dyed particles out of the tweezers, then adjusting a driving control switch 8 to enable an optical pressure generator 13 to control the dyeing particles to move, adjusting the optical tweezers switch 10 after moving to a required position to enable the output power of the optical tweezers head 16 to be increased, then inlaying the dyed particles on a dial plate, inlaying all the dyeing particles on the dial plate one by one according to the track of an anti-counterfeiting mark pattern, finally printing the particles on the dial plate in an optical tweezers manner, and forming the anti-counterfeiting mark pattern after the printed dyeing particles are arranged;
and (4) observation and examination of the mark: operating personnel is through controlling locator knob 12 for drive locator 20 loosens the dial plate, take out the dial plate from the operation afterwards, use the rough abrasive paper in surface to rub, place the dial plate on drive locator 20 again afterwards, and it is fixed to control locator knob 12 and carry out the centre gripping once more with the dial plate, operating personnel observes the anti-fake pattern that dyeing particle arranged on the dial plate through electron microscope eyepiece 7 afterwards, observe and detect whether its pattern is through the back of rubbing, the condition of fading appears in the colour, if the pattern of fluorescence does not appear subducing, then explain that this anti-fake particle sign audits and passes through.
The utility model provides a verification device of anti-fake typeface pattern, includes ray radiation press 1, control box 4, light pressure generator 13 and electron microscope eyepiece 7, the inside of ray radiation press 1 is provided with space track 15, the welding has driving motor on the light pressure generator 13, be provided with drive gear 14 on driving motor's the output shaft, light pressure generator 13 passes through drive gear 14 and installs on space track 15, the inside of light pressure generator 13 is provided with the light pressure room, the inside of light pressure room is provided with light tweezers head 16, the bottom of light tweezers head 16 is provided with electronic refraction lens 17, one side of ray radiation press 1 is provided with light tweezers switch 10, the bottom of light tweezers switch 10 is provided with refraction switch 11, the bottom of ray radiation press 1 is provided with places platform 2, there is drive control switch 8 at the top of placing platform 2 through bolted connection, the operation panel 4 sets up in the bottom of placing platform 2, the inside of operation panel 4 is provided with operation panel 19, the top of operation panel 19 is provided with drive locator 20, objective case 6 has been welded to one side of operation panel 4, electron microscope eyepiece 7 sets up the top at objective case 6, the bottom of operation panel 4 is provided with storage tank 3, one side of storage tank 3 is provided with locator knob 12.
In a preferred embodiment of the present invention, a power-operated sealing door 18 is installed on one side of the operation box 4.
As a preferred embodiment of the present invention, the console is provided with a control button, the driving motor is a three-phase asynchronous motor, and the driving control switch 8 is connected to the driving motor through a wire.
In a preferred embodiment of the present invention, the refraction switch 11 is connected to the electric refraction lens 17 through a wire, and the positioner knob 12 is connected to the driving positioner 20 through a wire.
In a preferred embodiment of the present invention, an objective tube is disposed inside the objective box 6, and an electron microscope objective lens is disposed on one side of the console 19, and the electron microscope objective lens is connected to the electron microscope eyepiece 7 through the objective tube.
As a preferred embodiment of the present invention, the top of the light radiating press 1 is provided with heat radiating holes 9.
In a preferred embodiment of the present invention, a wire placing box 5 is connected to one side of the light irradiation press 1 by bolts, and a data line and an integrated board are disposed inside the wire placing box 5.
In a preferred embodiment of the present invention, a storage cavity is disposed inside the storage box 3, and a storage box door is disposed on the storage box 3.
In a preferred embodiment of the invention, the number of the optical tweezers heads 16 and the number of the electric refractive lenses 17 are 2.
The working principle is as follows: the device for verifying font patterns in anti-counterfeiting microscopic mode by using optical tweezers particles comprises an operation box 4, an optical radiation press 1 and an electronic microscope eyepiece 7, wherein a space track 15 is arranged inside the optical radiation press 1, a driving motor is arranged on an optical pressure generator 13, a driving gear 14 is arranged on the driving motor, the optical pressure generator 13 is installed on the space track 15 through the driving gear 14, the structure realizes that an operator can control the optical pressure generator 13 with an optical tweezers head 16 to move on the space track 15 through driving an operation switch 8, the optical tweezers head 16 can emit light beams with energy and momentum, an electric refraction lens 17 is arranged at the bottom of the optical tweezers head 16, the operator controls the rotation angle of the electric refraction lens 17 through a refraction switch 11 to indirectly control the angle of the light beams, and the two light beams are refracted and then act on the surfaces of the particles to form a gradient force optical trap, the gradient force optical trap on the surface of the particle can limit the spatial position of the particle, so that the particle is taken and fixed by the air-spaced tweezers, an operator controls the optical tweezers head 16 to move to a specified position by adjusting the driving control switch 8, the air-spaced taking of the particle to the specified position is realized, and then the particle can be printed on the dial plate to form the anti-counterfeiting pattern by executing operation according to an optical tweezers method.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The verification method of the anti-counterfeiting font patterns is characterized in that a device for realizing the method comprises a light radiation press machine (1), an operation box (4), a light pressure generator (13) and an electron microscope eyepiece (7), wherein a space track (15) is arranged inside the light radiation press machine (1), a driving motor is welded on the light pressure generator (13), a driving gear (14) is arranged on an output shaft of the driving motor, the light pressure generator (13) is installed on the space track (15) through the driving gear (14), a light pressure chamber is arranged inside the light pressure generator (13), a light tweezers head (16) is arranged inside the light pressure chamber, an electric refraction lens (17) is arranged at the bottom of the light tweezers head (16), a light tweezers switch (10) is arranged on one side of the light radiation press machine (1), and a refraction switch (11) is arranged at the bottom of the light tweezers switch (10), the bottom of the optical radiation press machine (1) is provided with a placing table (2), the top of the placing table (2) is connected with a driving control switch (8) through a bolt, the operating box (4) is arranged at the bottom of the placing table (2), an operating table (19) is arranged inside the operating box (4), a driving positioner (20) is arranged at the top of the operating table (19), an objective box (6) is welded at one side of the operating box (4), the electronic microscope (7) is arranged at the top of the objective box (6), a storage box (3) is arranged at the bottom of the operating box (4), a positioner knob (12) is arranged at one side of the storage box (3), and an electric sealing door (18) is arranged at one side of the operating box (4);
the method comprises the following specific processes: and (3) extracting particles: an operator firstly opens the electric sealing door (18), places the laboratory vessel containing the particle swarm on an operation table (19), observing the particle swarm in an experimental vessel through an electron microscope eyepiece (7), opening an optical tweezers switch (10), then controlling the angle of a light beam emitted by an optical tweezers head (16) through adjusting a refraction switch (11), wherein the optical tweezers head (16) generates the light beam with energy to act on the surface of the particle, so that a gradient force optical trap capable of controlling the spatial position of the particle is formed on the particle, thus realizing the air-isolated tweezers taking effect on the particle, then controlling an optical pressure generator (13) with the optical tweezers head (16) to move through adjusting a driving control switch (8), indirectly completing the tweezers taking of the particle and moving the particle into an extraction vessel, extracting the particle particles with corresponding required quantity into an extraction vessel according to the mode, and finishing the extraction process of the particles;
fluorescent staining of the particles: an operator places the extraction vessel containing the selected particles on the placing table (2), then adds corresponding fluorescent coloring agent into the extraction vessel, and finishes the fluorescent coloring effect on the particle particles after waiting for 5min, and at the moment, the selected particle particles can generate corresponding fluorescent colors under the observation of an electron microscope;
positioning of the dial: an operator opens the electric sealing door (18) on one side of the operation box (4), then the dial plate needing to be printed with patterns is placed on the driving positioner (20), and then the driving positioner (20) is controlled to move by operating the positioner knob (12) until the driving positioner (20) clamps and fixes the dial plate, the driving positioner (20) stops moving, and the dial plate is fixed;
optical tweezers printing of particles: an extraction vessel containing the dyeing particles is placed on an operation table (19) by an operator, then an optical tweezers switch (10) is opened, so that the light tweezers head (16) emits light beams with energy and momentum, and the angle of the light beams is controlled by the refraction switch (11), so as to take the dyed particles out of the air forceps, then adjust the driving control switch (8) to make the light pressure generator (13) control the dyed particles to move, after the particles move to the required position, adjusting an optical tweezers switch (10) to increase the output power of an optical tweezers head (16), then inlaying the dyed particles on a dial plate, inlaying all the dyed particles on the dial plate one by one according to the track of the anti-counterfeiting mark pattern according to the mode, finally printing the particles on the dial plate in an optical tweezers mode, and forming the anti-counterfeiting mark pattern after the printed dyed particles are arranged;
and (4) observation and examination of the mark: the operating personnel is through controlling locator knob (12), make drive locator (20) loosen the dial plate, take out the dial plate from the operation afterwards, use the rough abrasive paper in surface to rub, place the dial plate on drive locator (20) again afterwards, and control locator knob (12) and carry out the centre gripping once more with the dial plate fixed, operating personnel observes the anti-fake pattern that dyeing particle arranged on the dial plate through electron microscope eyepiece (7) afterwards, observe and detect whether its pattern passes through the friction after, the condition that the colour appears fading, if the pattern of fluorescence does not appear subducing, then explain that this anti-fake particle sign audits and passes.
2. A method for authenticating an anti-counterfeit font pattern according to claim 1, wherein: the driving motor is a three-phase asynchronous motor, and the driving control switch (8) is connected with the driving motor through an electric wire.
3. A method for authenticating an anti-counterfeit font pattern according to claim 1, wherein: the top of the light radiation press machine (1) is provided with a heat radiation hole (9).
4. A method for authenticating an anti-counterfeit font pattern according to claim 1, wherein: one side of the light radiation press machine (1) is connected with a circuit placing box (5) through a bolt, and a data line and an integrated board are arranged inside the circuit placing box (5).
5. A method for authenticating an anti-counterfeit font pattern according to claim 1, wherein: an objective tube is arranged in the objective box (6), an electron microscope objective is arranged on one side of the operating platform (19), and the electron microscope objective is connected with the electron microscope eyepiece (7) through the objective tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011088595.2A CN112213849A (en) | 2018-07-08 | 2018-07-08 | Method for verifying anti-counterfeiting font and pattern |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810741238.8A CN108873298B (en) | 2018-07-08 | 2018-07-08 | Method and device for verifying font and pattern in anti-counterfeiting microscopic mode through optical tweezers particles |
| CN202011088595.2A CN112213849A (en) | 2018-07-08 | 2018-07-08 | Method for verifying anti-counterfeiting font and pattern |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810741238.8A Division CN108873298B (en) | 2018-07-08 | 2018-07-08 | Method and device for verifying font and pattern in anti-counterfeiting microscopic mode through optical tweezers particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112213849A true CN112213849A (en) | 2021-01-12 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011088595.2A Withdrawn CN112213849A (en) | 2018-07-08 | 2018-07-08 | Method for verifying anti-counterfeiting font and pattern |
| CN201810741238.8A Active CN108873298B (en) | 2018-07-08 | 2018-07-08 | Method and device for verifying font and pattern in anti-counterfeiting microscopic mode through optical tweezers particles |
| CN202011143137.4A Withdrawn CN112269258A (en) | 2018-07-08 | 2018-07-08 | Verification device for anti-counterfeiting character patterns |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810741238.8A Active CN108873298B (en) | 2018-07-08 | 2018-07-08 | Method and device for verifying font and pattern in anti-counterfeiting microscopic mode through optical tweezers particles |
| CN202011143137.4A Withdrawn CN112269258A (en) | 2018-07-08 | 2018-07-08 | Verification device for anti-counterfeiting character patterns |
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|---|---|
| CN (3) | CN112213849A (en) |
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| CN101587236A (en) * | 2008-05-20 | 2009-11-25 | 瑞鼎科技股份有限公司 | Light source module, producing device of light taking clamp and dark field microscope |
| CN104793329B (en) * | 2015-04-15 | 2017-06-06 | 黑龙江大学 | A kind of device and method of femtosecond laser rotation manipulation optical tweezer |
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- 2018-07-08 CN CN202011088595.2A patent/CN112213849A/en not_active Withdrawn
- 2018-07-08 CN CN201810741238.8A patent/CN108873298B/en active Active
- 2018-07-08 CN CN202011143137.4A patent/CN112269258A/en not_active Withdrawn
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| CN1302321A (en) * | 1998-12-25 | 2001-07-04 | 特种制纸株式会社 | Fluorescnet particle, method for preparing the same and paper for preventing forgery using fluorescent particle |
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| CN112269258A (en) | 2021-01-26 |
| CN108873298A (en) | 2018-11-23 |
| CN108873298B (en) | 2020-11-27 |
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Application publication date: 20210112 |