CN114023218A - Electric bicycle digital record mark and manufacturing method thereof - Google Patents
Electric bicycle digital record mark and manufacturing method thereof Download PDFInfo
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- CN114023218A CN114023218A CN202111417996.2A CN202111417996A CN114023218A CN 114023218 A CN114023218 A CN 114023218A CN 202111417996 A CN202111417996 A CN 202111417996A CN 114023218 A CN114023218 A CN 114023218A
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- 239000010408 film Substances 0.000 claims description 63
- 230000001681 protective effect Effects 0.000 claims description 55
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- 238000009792 diffusion process Methods 0.000 claims description 32
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- 238000000034 method Methods 0.000 claims description 18
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- 238000004544 sputter deposition Methods 0.000 claims description 9
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 8
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 claims description 8
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Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
Abstract
The invention provides a digital filing mark for an electric bicycle, which does not influence radio frequency signal identification and can be normally used in various environments. The reflecting layer is arranged on the basis of the discontinuous metal thin film layer, and the metal layer is broken in the discontinuous metal thin film layer, so that a continuous electromagnetic loop cannot be formed, and the passive radio frequency chip is prevented from being shielded. Meanwhile, the invention also discloses a manufacturing method of the electric bicycle digital record mark.
Description
Technical Field
The invention relates to the technical field of number plate manufacturing, in particular to a digital filing mark of an electric bicycle and a manufacturing method thereof.
Background
The electric bicycle is used as a convenient travel tool, the holding capacity is increased year by year, and the problems of traffic accidents, illegal high incidence and the like are also caused. In order to enhance management, in modern traffic control, the owner information, the license plate number and the license plate number are bound, and cross-regional unified management is performed based on a network sharing service. In the prior art, a digital record Identification embedded with a passive Radio Frequency Identification (RFID) chip is used to determine a unique identity of each electric bicycle. Meanwhile, based on the digital record identification, unified and standard management of the electric bicycle is realized. In practical use, in order to meet the requirement of driving safety at night, the license plate needs to have good light reflecting performance; in order to meet the requirement of the reflective performance, a reflective film is generally disposed on the substrate of the number plate, and in order to improve the reflectivity of the reflective film, an aluminum coating is plated in the reflective film in the prior art. But because embedded passive radio frequency chip in the digital filing sign that this scheme was mentioned, and the layer of aluminizing on the base plate will cause the shielding to the signal that this passive radio frequency chip transmitted and cause signal transmission limited, lead to when carrying out intelligent identification to electric bicycle digital filing sign based on road surface equipment, can't effectual detected signal under some circumstances.
Disclosure of Invention
In order to solve the problem that signals of a passive radio frequency chip can be weakened in a digital filing mark manufactured based on the prior art, the invention provides the digital filing mark for the electric bicycle, which cannot influence radio frequency signal identification and can be normally used in various environments. Meanwhile, the invention also discloses a manufacturing method of the electric bicycle digital record mark.
The technical scheme of the invention is as follows: electric bicycle digit record sign, it includes: the radio frequency passive chip is embedded in the substrate, a light diffusion layer is arranged outside the substrate, and a reflecting layer is arranged between the substrate and the light diffusion layer; the information printing layer is arranged outside the light diffusion layer; the information printing layer includes: the protective film covers the light diffusion layer, and the upper surface of the protective film is the information printing surface;
the method is characterized in that:
the reflecting layer is a discontinuous metal film layer.
It is further characterized in that:
the discontinuous metal film layer is composed of indium tin alloy particles;
the thickness of the discontinuous metal film layer is as follows: 2-4 microns;
be equipped with reflective structure in the light scattering layer, reflective structure includes: glass beads or optical fringes; the diameter of the glass beads is less than 10 microns; the optical stripes comprise optical stripes with different thicknesses;
the passive radio frequency chip is characterized in that an accommodating cavity is formed in the substrate, the shape and the size of the accommodating cavity are matched with those of the passive radio frequency chip, and the passive radio frequency chip is placed in the accommodating cavity.
A method for manufacturing a digital record mark comprises the following steps:
s1: manufacturing a light diffusion layer on the bottom surface of the protective film;
it is characterized by also comprising the following steps:
s2: a reflecting layer consisting of a discontinuous metal thin film layer is plated on the bottom surface of the light diffusion layer;
s3: putting the bottom plate and the protective membrane into a mold;
when the passive radio frequency chip is placed, the upper surface of the bottom plate is provided with a containing cavity capable of containing the passive radio frequency chip, and the passive radio frequency chip and the protective membrane are placed into a mold together after being placed into the containing cavity; the metal film layer on the protective membrane is placed on one side close to the bottom plate; the passive radio frequency chip in the bottom plate is arranged on one side close to the protective membrane;
s4: performing injection molding on the mold, wherein the injection molding comprises the following steps;
before injection molding, a gap is reserved between the bottom plate and the metal film layer;
performing injection molding operation on the mold, so that the injected material and the bottom plate are integrated to form a base plate of a number plate, and the passive radio frequency chip is wrapped in the base plate; meanwhile, the protective membrane is also connected to the substrate;
s5: and demolding after the injection molding is finished and the injection molding is cooled to obtain the digital record mark main body.
It is further characterized in that:
step S2, including the following detailed steps:
using a vacuum sputtering cabin, wherein a cathode is made of a coating target material, and placing the protective membrane as a substrate at an anode; introducing low-pressure argon into the vacuum sputtering chamber, and generating glow discharge under the action of the radio-frequency voltage of the cathode; the ionized argon ions bombard the surface of the target, so that metal particles in the target are sputtered and deposited on the substrate to form a discontinuous metal film layer;
in step S1, the method for manufacturing the light diffusion layer on the protective film includes the following steps:
a 1: uniformly dispersing glass beads in UV gloss oil;
a 2: uniformly coating the mixture in the a1 on the bottom surface of the protective membrane to form a light scattering layer with the thickness of 10-15 microns on the bottom surface of the protective membrane, wherein the uniformly distributed glass beads form a light reflecting structure;
a 3: irradiating the light diffusion layer by ultraviolet light for curing;
in step S1, the method for manufacturing the light diffusion layer on the protective film includes the following steps:
b 1: manufacturing a master plate containing a plurality of optical stripes;
b 2: plating metal on the surface of the master plate to form a molded metal plate;
b 3: installing the molded metal plate on a stamping machine, stamping a UV gloss oil coating with a plurality of optical stripes, and irradiating the UV gloss oil coating by ultraviolet light for curing to form a light scattering layer with the thickness of 10-15 microns;
b 4: the light-diffusing layer is removed from the stamped metal sheet and imprinted on a protective sheet.
The digital filing mark for the electric bicycle is provided with the reflecting layer based on the discontinuous metal film layer, and the metal layer is broken in the discontinuous metal film layer, so that a continuous electromagnetic loop cannot be formed, and the passive radio frequency chip is prevented from being shielded; therefore, the electric bicycle digital record mark in the technical scheme of the invention can ensure that strong reflection can be formed on light, and the RFID label signal can not be interfered, thereby ensuring that the electric bicycle digital record mark can be normally used in various environments.
Drawings
FIG. 1 is a schematic sectional view of a digital filing mark according to the present invention;
FIG. 2 shows an embodiment 1 of the method for making a digital filing mark according to the present invention;
FIG. 3 shows an embodiment 2 of the method for making a digital filing mark according to the present invention;
fig. 4 is a mold for injection molding of a digital record label of an electric bicycle.
Detailed Description
As shown in fig. 1, the electric bicycle digital record label of the present invention comprises: the passive radio frequency chip 102 is embedded in the substrate 101, the substrate 101 is provided with an accommodating cavity 107, the shape and the size of the accommodating cavity 107 are matched with those of the passive radio frequency chip 102, and the passive radio frequency chip 102 is placed in the accommodating cavity 107; a light diffusion layer 104 is arranged outside the substrate 101, and a reflecting layer 103 is arranged between the substrate 101 and the light diffusion layer 104; the information printing layer is arranged outside the light divergence layer 104; the information printing layer includes: a protective film 106 covering the light diffusion layer 104, wherein the upper surface of the protective film 106 is an information printing surface; the light diverging layer 104 is provided with a reflective structure 105, in the technical solution of the present invention, the reflective structure 105 includes: glass beads or optical fringes; when the reflective structure 105 is glass beads, glass beads having a diameter of less than 10 micrometers are used. When the reflective structure 105 is an optical stripe, optical stripes having different thicknesses are used.
According to the invention, the passive radio frequency chip 102 is embedded into the substrate 101, so that the substrate 101 can effectively protect the passive radio frequency chip 102 and prevent the passive radio frequency chip 102 from being damaged due to direct impact of external sand; in addition, the substrate 101 is provided with the reflective layer 103 formed by the discontinuous metal thin film layer, and an external light source is reflected by the discontinuous metal thin film layer and then is diffused by the light diffusion layer 104, so that the reflective effect of the light diffusion layer 104 is increased.
In the technical scheme of the invention, the light reflecting layer 103 is a discontinuous metal thin film layer. The discontinuous metal film layer is composed of indium tin alloy particles; the thickness of the discontinuous metal film layer is as follows: 2-4 microns. Because the indium-tin alloy has stronger oxidation resistance, the problem that the surface of the discontinuous metal film layer loses the reflection effect due to oxidation can be effectively prevented.
The air interface protocol of the passive radio frequency chip 102 in the invention meets the requirement of 4.1.1 in GB/T35789.1-2017, and the working frequency is 920 MHz-925 MHz; the data of the passive radio frequency chip is encrypted through a hardware encryption mechanism, and the reading, transmission and writing of the data need bidirectional authentication, so that the information data can be ensured to be safely protected, and the anti-counterfeiting protection of the electric bicycle license plate is realized; the chip identifier includes: 2-bit type codes, 10-bit sequence numbers and 1-bit check codes; the chip identifier is uniquely corresponding to the number of the electric bicycle electronic number plate. The passive rf chip 102 may send out rf signals for exchanging data with external devices.
The reflective layer 103 covered on the surface of the substrate 101 of the electric bicycle digital record label is composed of a discontinuous metal thin film layer, and the discontinuous metal thin film layer 103 is manufactured based on a Non-conductive vacuum plating (NCVM) technology. The metal particles in the discontinuous metal film layer have the characteristic of discontinuity with each other, so that a continuous electromagnetic loop cannot be formed, and signals sent by the passive radio frequency chip 102 cannot be completely shielded; however, the reflection of light by the metal thin film layer is not affected by the discontinuous structure, so that the reflection of the electric bicycle digital record label at night can be ensured, and the effect of wireless signal transmission of the passive radio frequency chip 102 can also be ensured. Meanwhile, in the technical scheme of the invention, the light scattering layer 104 comprising the reflecting structure 105 is also arranged, so that the light reflecting effect of the digital record mark of the electric bicycle is further enhanced.
The light scattering layer is covered with a protective film, and the upper surface of the protective film is an information printing surface. The two-dimensional code is printed on the information printing surface, and the content of the two-dimensional code comprises a fixed head, a serial number (12 bits, a manufacturer code 2 bits, a sequence number 10 bits), a number plate type (01 common vehicle/02 non-standard vehicle/03 industry (express delivery/take-away) vehicle), a number plate number Chinese character byte length, a number plate number Chinese character (the byte length is determined by the previous item), a number byte length, a number plate number (the byte length is determined by the previous item), and a check value (4 bytes).
The manufacturing method for manufacturing the electric bicycle digital record mark comprises the following steps.
S1: the light diffusion layer 104 is formed on the bottom surface of the protective film 106.
In the embodiment shown in fig. 2 and 3, the substrate 101 and the protective membrane 106 are made of engineering plastic. The engineering plastics used include: polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS) may effectively protect the passive rf chip 102 or the light dispersion layer 104.
The reflective structure 105 includes: glass beads, optical fringes; the diameter of the glass beads is less than 10 microns; the optical stripes are formed by a plurality of reflection stripes with different heights; meanwhile, the thickness of the light diffusion layer 104 is controlled to be 10-15 microns, so that poor reflection capability caused by too thin thickness of the light diffusion layer 104 is avoided, and the light diffusion layer is not easy to fall off caused by too thick thickness.
In step S1, when the reflection structure 105 is formed based on glass beads, the light diffusion layer 104 is formed on the protective film 106, specifically including a step in which a PC film or an ABS film is used as the protective film 106.
a 1: uniformly dispersing glass beads with the diameter of less than 10 micrometers in UV gloss oil;
a 2: uniformly coating the mixture in the a1 on the bottom surface of the protective film 106 to form a light scattering layer 104 with a thickness of 10-15 microns on the bottom surface of the protective film 106, wherein the uniformly distributed glass beads form the reflecting structures 105 in the light scattering layer 104;
a 3: the light diffusion layer 104 is irradiated with ultraviolet light to be cured, so that the diffusion layer 104 is fixed on the bottom surface of the protective film 106.
An embodiment of a method for manufacturing a digital filing mark of an electric bicycle with a reflecting structure 105 formed by glass beads is specifically shown in fig. 2.
In the technical scheme of the invention, the reflecting structure formed by the UV gloss oil and the glass beads and the discontinuous metal film layer can not only strengthen the reflecting effect of the digital record mark, but also enhance the weather resistance of the product and prolong the service life of the product.
In step S1, when the reflective structure 105 is formed based on the optical stripes, the light diffusion layer 104 is formed on the protective film 106, which includes the following steps.
b 1: manufacturing a master plate containing a plurality of optical stripes;
in the specific implementation, a photosensitive film of a photoresist in the prior art is used for carrying out holographic shooting on a preset pattern, and the photosensitive film is exposed to obtain a relief-type phase hologram, namely a master plate with a light reflecting structure is manufactured. The mother plate is full of uneven optical stripes, and the precision can reach more than thousand stripes per millimeter. These embossed optical fringes record the microprism light wave intensity and phase information, completing the holographic recording.
b 2: and plating metal on the surface of the master mask to form a molded metal plate.
During the specific implementation, a layer of very thin metal film is plated on the surface of the mother plate by a vacuum coating or chemical plating method, and then nickel or other metals with proper thickness are plated to manufacture a molded metal plate with good mechanical property.
b 3: embossing a light-emitting diverging layer based on a stamped metal sheet, the detailed steps comprising:
and (3) installing the molded metal plate on a stamping machine, stamping a UV gloss oil coating with the same optical stripe as the master plate structure to ensure that the UV gloss oil coating has a plurality of optical stripes, and irradiating the UV gloss oil coating by ultraviolet light for curing to form a light diffusion layer 104 with the thickness of 10-15 microns.
b 4: the light spreading layer 104 is removed from the molded metal plate and stamped on the protective film 106.
An embodiment of a method for manufacturing a digital record label of an electric bicycle based on an optical stripe structure 105 is specifically shown in fig. 3.
In this embodiment, the shape and distribution of the optical fringes in the master can be designed according to the requirements of the user, and then the light scattering layer 104 with a corresponding structure is generated according to the master, so that the user can manufacture the light scattering layer 104 with different structures on the protective film according to different optical requirements. The technical scheme of the invention is ensured to be suitable for different application scenes.
S2: a reflecting layer 103 consisting of discontinuous metal thin film layers is plated on the bottom surface of the light scattering layer 104; in the technical scheme of the invention, the film is formed in a sputtering mode, so that the formed discontinuous metal film layer is formed. The method comprises the following specific steps:
a vacuum sputtering chamber is used, the cathode is made of a coating target material, and a protective membrane 106 is arranged at the anode as a substrate; introducing low-pressure argon into the vacuum sputtering chamber, and generating glow discharge under the action of the radio-frequency voltage of the cathode; the ionized argon ions bombard the surface of the target, so that metal particles in the target are sputtered and deposited on the substrate to form a discontinuous metal film layer.
In this embodiment, the discontinuous metal thin film layer is made of indium tin alloy particles, and the step S2 includes the following detailed steps:
in the vacuum sputtering chamber, the cathode is made of coating target indium-tin alloy, the protective film 106 is placed at the anode as a substrate, low-pressure argon is introduced into the vacuum sputtering chamber, and glow discharge is generated under the action of the radio-frequency voltage of the cathode; the ionized argon ions bombard the surface of the target, so that the indium tin alloy particles in the target are sputtered and deposited on the substrate to form a discontinuous metal film layer consisting of the indium tin alloy particles.
S3: putting a bottom plate made of a composite material of PC and ABS and a protective membrane 106 into a mold;
in specific implementation, the length and width of the bottom plate are the same as those of the substrate 101, and the thickness of the bottom plate is smaller than that of the substrate 101 but larger than that of the passive radio frequency chip 102; the upper surface of the bottom plate is provided with an accommodating cavity 107 capable of accommodating the passive radio frequency chip 102, and the passive radio frequency chip 102 and the protective membrane 106 are placed into a mold after being placed into the accommodating cavity 107; when the metal film layer is put in, the metal film layer on the protective film 106 is placed on one side close to the bottom plate; the passive rf chip 102 is placed in the backplane on the side adjacent to the protective membrane 106. According to the technical scheme of the invention, the passive radio frequency chip 102 is protected by the accommodating cavity 107, so that the passive radio frequency chip 102 is prevented from being damaged by accident in the injection molding process.
S4: performing injection molding on the mold, wherein the injection molding comprises the following steps;
before injection molding, a gap is reserved between the bottom plate and the metal film layer;
performing injection molding operation on the mold, so that the injected material and the bottom plate are integrated into a whole to form a substrate 101 of the number plate, and the passive radio frequency chip 102 is wrapped in the substrate 101; while the metal thin film layer is attached on the substrate 101.
In specific implementation, the injection mold shown in fig. 4 of the drawings in the specification can be used, and the injection mold includes a first mold 201 and a second mold 202, wherein a bottom plate mold cavity 203 is provided in the first mold 201, and a membrane mold cavity 204 is provided in the second mold 202. Before injection molding, a bottom plate made of a composite material of PC and ABS is placed in a bottom plate mold cavity 203, a protective membrane 106 made of a PC membrane or an ABS membrane is placed in a membrane mold cavity 204, and the passive radio frequency chip 102 and the metal thin film layer are respectively placed on one side far away from the cavity bottom during placement; then the mould is vacuum absorbed to make the vacuum degree reach 500mmHg, the bottom plate and the protective film 106 are respectively absorbed in the bottom plate mould cavity 203 and the film mould cavity 204, and a gap is ensured to be left between the upper surface of the bottom plate and the discontinuous metal film layer. Performing injection molding in a preset mold after mold closing to fill plastic in a gap between the bottom plate and the protective membrane 106; because the injected material is also a composite material of PC and ABS, the injected material and the bottom plate are fused into a whole to seal the accommodating cavity 107 to form the substrate 101 of the number plate, the passive radio frequency chip 102 is wrapped in the substrate 101, the substrate 101 plays a role in protecting the passive radio frequency chip 102 and effectively prevents the passive radio frequency chip 102 from being damaged in the use process, and the protective membrane 106 made of a PC membrane or an ABS membrane is also connected to the substrate 101.
S5: demolding after the injection molding is finished and the injection molding is cooled to obtain a digital filing mark main body; and finally, printing a two-dimensional code and characters and/or numbers on the upper surface of the protective film in the digital record mark main body according to actual use requirements to obtain the final digital record mark of the electric bicycle.
The digital filing identification in the technical scheme of the invention comprises the following steps: the base plate is embedded with a passive radio frequency chip, the information printing surface is printed with a two-dimensional code, the information printing surface is divided into four key elements of different colors and light reflection at night of the number plate. A passive radio frequency chip is embedded in the substrate, a discontinuous metal thin film layer covers the surface of the substrate, a light scattering layer is arranged on the discontinuous metal thin film layer, a reflection structure is arranged in the light scattering layer, a protective membrane covers the light scattering layer, and the upper surface of the protective membrane is an information printing surface; the information printing surface is printed with a two-dimensional code which can be used for information access of special equipment; the information printing surface is sprayed with different colors according to the use property and the management property of the vehicle; the number plate substrate is provided with the discontinuous metal thin film layer, so that the reflectivity of the reflective film is effectively improved, the safety attribute of the digital filing mark is increased, and the recognition of the radio frequency signal of the passive radio frequency chip by the recognition and reading equipment is not influenced.
Claims (9)
1. Electric bicycle digit record sign, it includes: the radio frequency passive chip is embedded in the substrate, a light diffusion layer is arranged outside the substrate, and a reflecting layer is arranged between the substrate and the light diffusion layer; the information printing layer is arranged outside the light diffusion layer; the information printing layer includes: the protective film covers the light diffusion layer, and the upper surface of the protective film is the information printing surface;
the method is characterized in that:
the reflecting layer is a discontinuous metal film layer.
2. The electric bicycle digital filing label of claim 1, wherein: the discontinuous metal thin film layer is composed of indium tin alloy particles.
3. The electric bicycle digital filing label of claim 1, wherein: the thickness of the discontinuous metal film layer is as follows: 2-4 microns.
4. The electric bicycle digital filing label of claim 1, wherein: be equipped with reflective structure in the light scattering layer, reflective structure includes: glass beads or optical fringes; the diameter of the glass beads is less than 10 microns; the optical stripes comprise optical stripes with different thicknesses.
5. The electric bicycle digital filing label of claim 1, wherein: the passive radio frequency chip is characterized in that an accommodating cavity is formed in the substrate, the shape and the size of the accommodating cavity are matched with those of the passive radio frequency chip, and the passive radio frequency chip is placed in the accommodating cavity.
6. A method for manufacturing a digital record mark comprises the following steps:
s1: manufacturing a light diffusion layer on the bottom surface of the protective film;
it is characterized by also comprising the following steps:
s2: a reflecting layer consisting of a discontinuous metal thin film layer is plated on the bottom surface of the light diffusion layer;
s3: putting the bottom plate and the protective membrane into a mold;
when the passive radio frequency chip is placed, the upper surface of the bottom plate is provided with a containing cavity capable of containing the passive radio frequency chip, and the passive radio frequency chip and the protective membrane are placed into a mold together after being placed into the containing cavity; the metal film layer on the protective membrane is placed on one side close to the bottom plate; the passive radio frequency chip in the bottom plate is arranged on one side close to the protective membrane;
s4: performing injection molding on the mold, wherein the injection molding comprises the following steps;
before injection molding, a gap is reserved between the bottom plate and the metal film layer;
performing injection molding operation on the mold, so that the injected material and the bottom plate are integrated to form a base plate of a number plate, and the passive radio frequency chip is wrapped in the base plate; meanwhile, the protective membrane is also connected to the substrate;
s5: and demolding after the injection molding is finished and the injection molding is cooled to obtain the digital record mark main body.
7. The method for making a digital filing mark according to claim 6, wherein: step S2, including the following detailed steps:
using a vacuum sputtering cabin, wherein a cathode is made of a coating target material, and placing the protective membrane as a substrate at an anode; introducing low-pressure argon into the vacuum sputtering chamber, and generating glow discharge under the action of the radio-frequency voltage of the cathode; the ionized argon ions bombard the surface of the target, so that metal particles in the target are sputtered and deposited on the substrate to form a discontinuous metal film layer.
8. The method for making a digital filing mark according to claim 6, wherein: in step S1, the method for manufacturing the light diffusion layer on the protective film includes the following steps:
a 1: uniformly dispersing glass beads in UV gloss oil;
a 2: uniformly coating the mixture in the a1 on the bottom surface of the protective membrane to form a light scattering layer with the thickness of 10-15 microns on the bottom surface of the protective membrane, wherein the uniformly distributed glass beads form a light reflecting structure;
a 3: and irradiating the light diffusion layer by ultraviolet light for curing.
9. The method for making a digital filing mark according to claim 6, wherein: in step S1, the method for manufacturing the light diffusion layer on the protective film includes the following steps:
b 1: manufacturing a master plate containing a plurality of optical stripes;
b 2: plating metal on the surface of the master plate to form a molded metal plate;
b 3: installing the molded metal plate on a stamping machine, stamping a UV gloss oil coating with a plurality of optical stripes, and irradiating the UV gloss oil coating by ultraviolet light for curing to form a light scattering layer with the thickness of 10-15 microns;
b 4: the light-diffusing layer is removed from the stamped metal sheet and imprinted on a protective sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417996.2A CN114023218A (en) | 2021-11-26 | 2021-11-26 | Electric bicycle digital record mark and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417996.2A CN114023218A (en) | 2021-11-26 | 2021-11-26 | Electric bicycle digital record mark and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114023218A true CN114023218A (en) | 2022-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202111417996.2A Pending CN114023218A (en) | 2021-11-26 | 2021-11-26 | Electric bicycle digital record mark and manufacturing method thereof |
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