CN116354609B - Anti-dizziness treatment process for face recognition glass panel - Google Patents
Anti-dizziness treatment process for face recognition glass panel Download PDFInfo
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- CN116354609B CN116354609B CN202310214970.0A CN202310214970A CN116354609B CN 116354609 B CN116354609 B CN 116354609B CN 202310214970 A CN202310214970 A CN 202310214970A CN 116354609 B CN116354609 B CN 116354609B
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- 239000011521 glass Substances 0.000 title claims abstract description 237
- 208000002173 dizziness Diseases 0.000 title claims abstract description 148
- 238000011282 treatment Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000007650 screen-printing Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 46
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 42
- 108010010803 Gelatin Proteins 0.000 claims description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 229920000159 gelatin Polymers 0.000 claims description 24
- 239000008273 gelatin Substances 0.000 claims description 24
- 235000019322 gelatine Nutrition 0.000 claims description 24
- 235000011852 gelatine desserts Nutrition 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 23
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 22
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 22
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 22
- 239000011775 sodium fluoride Substances 0.000 claims description 21
- 235000013024 sodium fluoride Nutrition 0.000 claims description 21
- 238000002791 soaking Methods 0.000 claims description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 14
- 229910052708 sodium Inorganic materials 0.000 claims description 13
- 239000011734 sodium Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000003405 preventing effect Effects 0.000 claims description 11
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- 150000007942 carboxylates Chemical class 0.000 claims description 9
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 9
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 claims description 8
- 229940074439 potassium sodium tartrate Drugs 0.000 claims description 8
- 235000011006 sodium potassium tartrate Nutrition 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- LWHQXUODFPPQTL-UHFFFAOYSA-M sodium;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate Chemical compound [Na+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LWHQXUODFPPQTL-UHFFFAOYSA-M 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 18
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 55
- 238000002834 transmittance Methods 0.000 description 29
- 230000007797 corrosion Effects 0.000 description 23
- 238000005260 corrosion Methods 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 18
- 238000012360 testing method Methods 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 11
- 238000012545 processing Methods 0.000 description 8
- 238000002310 reflectometry Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001362 anti-vertigo Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000005474 octanoate group Chemical group 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
- C03C15/02—Surface treatment of glass, not in the form of fibres or filaments, by etching for making a smooth surface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/119—Deposition methods from solutions or suspensions by printing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Vascular Medicine (AREA)
- Human Computer Interaction (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The application relates to the field of glass surface treatment, and discloses an anti-dizziness treatment process for face recognition glass panels, which comprises the following steps of 1, adopting a glass anti-dizziness treatment agent to soak and etch large-size glass raw sheets, and then washing and drying the glass raw sheets to obtain anti-dizziness glass raw sheets; step 2, cutting the anti-dizzy glass raw sheet according to the required specification and size to obtain an anti-dizzy face recognition glass screen; step 3, performing ink screen printing on the periphery of an anti-halation face recognition screen to form an ink frame, and reserving a face collecting camera area in the ink frame area to prepare an anti-halation face recognition glass panel with the face collecting camera area; and 4, carrying out laser leveling on the face collecting camera area to obtain the anti-dizziness face recognition glass panel finished product. The process is convenient and quick to operate, high in precision and free of damage to the surface of the glass, the manufactured face recognition glass panel has good anti-dizziness effect, and the face acquisition camera area is high in definition and transparent.
Description
Technical Field
The application relates to the field of glass surface treatment technology, in particular to an anti-dizziness treatment process for face recognition glass panels.
Background
Along with the continuous improvement of life convenience, more and more life electronic equipment adopts face identification mode to unlock, and face identification entrance guard is one of them face identification electronic equipment, and face identification entrance guard uses very simple and convenient, only needs to enter the system with the face after, directly carries out the portrait scanning just can realize the entrance guard unblock when using, consequently more and more people use face identification entrance guard unblock.
The face recognition glass panel surface used by face recognition access control generally needs to be subjected to anti-dizziness treatment, so that environmental interference is reduced, the glass panel is not easy to reflect light, and a face collection camera area of the face recognition glass panel needs to keep high-definition light transmission, so that the face can be clearly recognized and imaged.
The conventional anti-dizziness glass panel is manufactured by cutting large glass to form a small glass screen, then shielding a face collecting camera area of the glass screen by using protective ink, then treating the glass screen by using anti-dizziness treatment liquid medicine, and then removing the protective ink of the face collecting camera area to obtain the anti-dizziness glass panel.
Disclosure of Invention
The application provides an anti-dizziness treatment process for a face recognition glass panel, which aims to solve the problems that the anti-dizziness treatment process of the conventionally used face recognition glass panel is complicated, the glass screen is easy to damage, and the anti-dizziness treatment efficiency of the face recognition glass panel is reduced.
The application provides an anti-dizziness treatment process for a face recognition glass panel, which adopts the following technical scheme: an anti-dizziness treatment process for a face recognition glass panel comprises the following steps of:
step 1, carrying out soaking and etching treatment on a large-size glass raw sheet by adopting a glass dizziness prevention treating agent, and washing and drying the glass raw sheet after the soaking and etching treatment to obtain an anti-dizziness glass raw sheet;
step 2, cutting the anti-dizzy glass raw sheet prepared in the step 1 according to the required specification and size to prepare an anti-dizzy face recognition glass screen;
step 3, screen printing the periphery of the face recognition glass screen manufactured in the step 2 by using ink to form an ink frame, and reserving a face acquisition camera area in the ink frame area to manufacture an anti-dizziness face recognition glass panel with the face acquisition camera area;
and 4, leveling the face collecting camera area of the face recognition glass panel manufactured in the step 3 by using laser to manufacture an anti-dizziness face recognition glass panel finished product.
Through adopting above-mentioned technical scheme, firstly use glass to prevent dizzy processing agent to soak the glass former piece of jumbo size and prevent dizzy processing, the anti-dizzy processing is to use glass to prevent that dizzy processing agent from carrying out the homogeneous corrosion to whole glass former piece surface, make glass former piece surface have better luminousness can reduce the reflection effect to the ambient light source simultaneously, thereby realize the effect of preventing dizzy, then cut the glass former piece that is passed through anti-dizzy processing and carry out screen printing in its week and form the printing ink frame that has face to gather the camera region, finally use laser to carry out laser scanning to face to gather the camera region surface, will have the face to gather the camera region surface of roughness and carry out the sweeping, make the face to gather the camera region that originally has the anti-dizzy effect become high definition printing light, thereby accomplish the anti-dizzy processing of face recognition glass panel.
Compared with the conventionally used anti-halation treatment process, the anti-halation treatment process is simple and easy to operate, the manufactured anti-halation face recognition glass panel has a uniform and flat anti-halation effect, the interference of an ambient light source can be well reduced, the face acquisition camera area has good transmittance and high definition, the face is accurately identified, the whole treatment process uses laser to level the face acquisition camera area, shielding of protective ink for the face acquisition camera area of the face recognition glass screen is not needed, the process that the conventional face recognition glass screen needs to be soaked to remove the protective ink is reduced, and therefore damage to the anti-halation face recognition glass panel is avoided.
Preferably, the specific steps of using the laser to pan the face collection camera area of the anti-dizziness face recognition glass panel in the step 4 are as follows:
s1, fixing an anti-dizziness face recognition glass panel on a fixed base;
s2, aligning the laser equipment to a face collecting camera area of the anti-dizziness face recognition glass panel, transmitting laser pulse energy by the laser equipment, and performing laser scanning on the face collecting camera area to obtain an anti-dizziness face recognition glass panel finished product.
Through adopting above-mentioned technical scheme, use unable adjustment base to fix anti-dazzle dizzy face identification glass panel, make the people's face of anti-dazzle dizzy face identification glass panel gather the laser area of the regional accurate alignment laser equipment of camera, laser equipment launches laser pulse energy and accurately carries out the sweeping to people's face to gather the camera area, make originally coarse surface high definition transparent, have better luminousness, laser sweeping mainly is through laser equipment transmission high frequency laser pulse energy, the corrosion particles of the coarse surface of people's face gathers the camera area absorbs focused laser energy, get rid of coarse corrosion surface under the effect of laser, make originally coarse surface high definition transparent, can not influence the precision of the anti-dazzle dizzy face identification glass panel of making, also can not produce the damage to anti-dazzle dizzy face identification glass panel simultaneously.
Preferably, the glass dizziness preventing treatment agent in the step 1 is prepared from the following raw materials in percentage by weight: 8-14% fluotitanic acid, 20-28% concentrated sulfuric acid, 6-12% homogenizing agent, 2.5-5% sodium polyoxyethylene ether carboxylate, 3-6% gelatin, 1.5-3.5% polyvinylpyrrolidone, 0.5-1.5% sodium fluoride and the balance water.
By adopting the technical scheme, fluotitanic acid, concentrated sulfuric acid and sodium fluoride are used as main raw materials for corrosion of the glass raw sheet, so that corrosion can be generated on the surface of the glass raw sheet, uniform corrosion particles are formed on the surface of the glass raw sheet, reflection of the surface of the glass raw sheet to an environmental light source is reduced, and meanwhile, the glass raw sheet has better light transmittance and a better dizziness preventing effect; adding a homogenizing agent into the corrosion system, so that the prepared glass anti-dizziness treating agent can uniformly and stably disperse and wet the surface of a glass raw sheet, the uniform corrosiveness of the glass raw sheet is improved, the glass raw sheet has good surface roughness and flatness, and the glass raw sheet has good anti-dizziness effect under the condition that the thickness and the size of the glass raw sheet are not influenced; the gelatin and the polyvinylpyrrolidone are added into the corrosion system, so that the corrosion system has certain viscosity, when the glass raw sheet is soaked in the prepared glass anti-dizziness treating agent, the glass anti-dizziness treating agent can be stably and uniformly contacted with the surface of the glass raw sheet to uniformly corrode the glass raw sheet, and meanwhile, the anti-dizziness treating agent on the surface of the glass raw sheet is uniformly attached to the surface of the glass raw sheet, so that flow marks are not easily generated on the surface of the glass raw sheet due to uneven etching reaction, and the corrosion uniformity of the glass anti-dizziness treating agent on the glass raw sheet is further improved; the sodium polyoxyethylene ether carboxylate has better permeability, so that the glass anti-dizziness treating agent can uniformly permeate among corrosion particles formed on the surface of the glass, and the uniformity of glass corrosion is improved.
The anti-dizziness glass processing agent is used for processing the glass raw sheet, and the prepared anti-dizziness face recognition glass panel has good roughness, good flatness and uniformity, good anti-dizziness effect, no influence on thickness specification and light transmittance of the glass raw sheet, and convenience in laser leveling of a face acquisition camera area by subsequent laser, so that the face acquisition camera area has good light transmittance, and accuracy and size of the face acquisition camera area are not influenced.
Preferably, the homogenizing agent consists of citric acid, potassium sodium tartrate and sodium perfluorooctanoate with the mass ratio of (0.4-0.5) to (0.1-0.2).
By adopting the technical scheme, the citric acid, the potassium sodium tartrate and the sodium perfluoro octoate in a better proportion are used as the homogenizing agent, so that the flatness and uniformity of the manufactured face recognition glass screen can be improved, the citric acid and the potassium sodium tartrate have better chelation and dispersion, the sodium perfluoro octoate has better wetting effect, the glass dizziness preventing treating agent can be uniformly and stably paved on the surface of the glass raw sheet under the synergistic effect of the citric acid, the potassium sodium tartrate and the sodium perfluoro octoate, the glass raw sheet is uniformly corroded, the surface of the glass raw sheet has better flatness while the glass raw sheet has better roughness, the light transmittance of the glass raw sheet is not influenced, and the anti-dizziness effect is improved.
Preferably, the mass ratio of the fluotitanic acid, the concentrated sulfuric acid and the sodium fluoride is (0.45-0.55): 1 (0.04-0.06).
By adopting the technical scheme, fluotitanic acid, concentrated sulfuric acid and sodium fluoride with a better proportion are used as substances for mainly improving corrosion action of the glass anti-dizziness treatment agent, fluotitanic acid has better corrosion stability for hydrofluoric acid and ammonium bifluoride which are conventionally used, can stably corrode a glass raw sheet, and concentrated sulfuric acid is used as strong acid with oxidability, can provide a more stable acidic environment for a corrosion system, sodium fluoride plays an auxiliary corrosion action, and the three substances produce a synergistic effect, so that the glass raw sheet cannot be excessively corroded to reduce the light transmittance of the glass raw sheet, the reflection effect on an environmental light source can be reduced while the glass raw sheet has better light transmittance, and the anti-dizziness effect of the prepared glass raw sheet is improved.
Preferably, the mass ratio of the gelatin to the polyvinylpyrrolidone is 1 (0.6-0.8).
By adopting the technical scheme, gelatin is a macromolecular gelatin substance with better hydrophilicity, polyvinylpyrrolidone has better hydrophilicity and uniform dispersibility, gelatin and polyvinylpyrrolidone with better proportion are used as viscosity regulators of a corrosion system, so that the anti-dizziness treatment agent has better viscosity and fluidity, the formed viscosity system cannot generate viscosity change along with the change of temperature, other raw materials are uniformly dissolved in a molecular system formed by gelatin and polyvinylpyrrolidone, when a glass raw sheet is soaked, the anti-dizziness treatment agent is uniformly paved on the surface of the glass raw sheet to uniformly corrode, meanwhile, the problem that flow marks are easy to occur when the surface of the glass raw sheet is subjected to etching reaction can be reduced, the reaction uniformity is further improved, and the surface of the glass raw sheet has better flatness uniformity.
Preferably, the glass dizziness preventing treatment agent is prepared by the following steps:
a1, heating concentrated sulfuric acid to 100-140 ℃, adding gelatin and polyvinylpyrrolidone, stirring and dissolving for 1-2h to obtain a mixture A;
a2, adding the homogenizing agent and sodium fluoride into water accounting for 60-80wt% of the total water to dissolve, and uniformly stirring to obtain a mixture B; and A3, slowly adding the mixture A prepared in the step A1 into the mixture B prepared in the step A2, then adding fluotitanic acid, sodium polyoxyethylene ether carboxylate and the balance of water, and uniformly stirring to prepare the glass dizziness preventing treating agent.
Through adopting the technical scheme, concentrated sulfuric acid is heated firstly, gelatin and polyvinylpyrrolidone which are difficult to dissolve at normal temperature are dissolved at high temperature, a mixture A with higher viscosity is formed after dissolution, then a homogenizing agent and sodium fluoride are dissolved to prepare a mixture B, after dissolution, the mixture A is slowly added into the mixture B, so that the mixture A is uniformly dispersed in the mixture B, at the moment, the temperature is reduced, but the dissolved gelatin and polyvinylpyrrolidone can be stably dissolved in a system without generating precipitation or precipitation, the system can be stably thickened, and finally fluotitanic acid and sodium polyoxyethylene ether carboxylate are added into the system, so that the glass anti-dizziness treating agent with stable viscosity and uniform and stable system dispersion is prepared.
Preferably, the soaking treatment temperature of the glass raw sheet in the step 1 is 50-60 ℃, and the soaking treatment time is 60-120s.
By adopting the technical scheme, under the condition of better soaking treatment temperature and treatment time, the glass anti-dizziness treating agent can generate better etching reaction on the surface of the glass raw sheet, and can uniformly corrode the surface of the glass raw sheet, so that the condition of excessive corrosion is not easy to generate.
Preferably, in the step 1, after the soaking treatment, 10-15wt% sodium carbonate aqueous solution is used for pre-washing, the pre-washing temperature is 25-35 ℃, the pre-washing time is 1-3min, and the pre-washing is performed and then the pre-washing is performed for drying.
By adopting the technical scheme, after the glass raw sheet is soaked by the glass anti-dizziness treating agent with certain viscosity, the glass anti-dizziness treating agent is easy to adhere to the surface of the glass raw sheet, and a small amount of acidic substances remain in the corrosion particle gaps of the glass raw sheet subjected to etching reaction, so that 10-15wt% of sodium carbonate aqueous solution is used for pre-washing, acidic substances are neutralized, the condition that the acidic substances continue to etch the glass raw sheet is reduced, and the corrosion uniformity of the surface of the prepared glass raw sheet is further improved.
Preferably, the roughness Rz of the anti-dizziness glass raw sheet prepared in the step 1 is not more than 0.3 μm.
By adopting the technical scheme, the anti-dizziness glass treating agent has good treatment effect on the anti-dizziness glass raw sheet, the surface of the glass raw sheet has good flatness and good anti-dizziness effect, the thickness dimension of the glass raw sheet cannot be greatly influenced, laser is facilitated to sweep a face acquisition camera area, when the roughness Rz of the glass raw sheet is larger than 0.3 mu m, the laser cannot sweep the face acquisition camera area easily during sweeping, the thickness of the face acquisition camera area can be influenced, and meanwhile, the light transmittance of the face acquisition camera area can be influenced, so that the accuracy and the product quality of a face recognition glass screen are reduced.
In summary, the application has the following beneficial effects:
1. according to the anti-dizziness treatment process for the face recognition glass panel, firstly, the glass anti-dizziness treatment agent is used for carrying out etching treatment on a large-size glass raw sheet, so that the surface of the glass raw sheet has an anti-dizziness effect, then the anti-dizziness glass raw sheet is cut to obtain an anti-dizziness face recognition glass screen, then printing ink is screen-printed on the periphery of the anti-dizziness face recognition glass screen to obtain an anti-dizziness face recognition glass panel with an ink frame provided with a face acquisition camera area, finally, laser is used for leveling the face acquisition camera area, so that the face acquisition camera area is high in definition and has good light transmittance, and the anti-dizziness face recognition glass panel is prepared.
2. According to the application, hydrofluoric acid, concentrated sulfuric acid and sodium fluoride with a better proportion are used as corrosion systems, gelatin and polyvinylpyrrolidone are added into the systems as adhesion regulators, citric acid, potassium sodium tartrate and sodium perfluo octoate with a better proportion are introduced into the systems as homogenizers, and sodium polyoxyethylene ether carboxylate is compounded as penetrating agents, so that the prepared glass anti-dizziness treatment agent has uniform corrosiveness on glass raw sheets, the prepared anti-dizziness glass raw sheets have better roughness and flatness, meanwhile, the thickness specification of the glass raw sheets is not influenced, the subsequent laser scanning of the face acquisition camera area of the prepared anti-dizziness face recognition glass panel is facilitated, the thickness specification and the precision of the face acquisition camera area are not influenced during laser scanning, and the face acquisition camera area is high in transparency.
3. By taking gelatin and polyvinylpyrrolidone with a better proportion as the regulator, the corrosion uniformity of the glass raw sheet can be improved, meanwhile, the condition that flow marks are easy to occur when the glass raw sheet is etched can also be reduced, and the flatness uniformity of the prepared anti-dizziness face recognition glass panel is further improved.
Detailed Description
The present application will be described in further detail with reference to examples.
The following are specifications of part of raw materials of the application:
1. gelatin: industrial bone glue, relative molecular mass 50000-70000, relative density: 1.3-1.4g/cm 3 ;
2. Polyvinylpyrrolidone: k30, K value: 27-35;
3. sodium perfluorooctanoate: technical grade, content 97%;
4. sodium polyoxyethylene ether carboxylate: the active matter content is 30%, and the pH of 2% aqueous solution is 5-7.
Preparation example of glass dizziness preventing treating agent
Preparation example 1
The glass dizziness preventing treating agent is prepared by the following steps:
a1, heating 20kg of concentrated sulfuric acid to 100 ℃, adding 6kg of gelatin and 2.5kg of polyvinylpyrrolidone, stirring and dissolving for 1h to obtain a mixture A;
a2, adding 7.06kg of citric acid, 3.53kg of potassium sodium tartrate, 1.41kg of sodium perfluorooctanoate and 0.5kg of sodium fluoride into 28.5kg of water for dissolution, and uniformly stirring to prepare a mixture B;
and A3, slowly adding the mixture A prepared in the step A1 into the mixture B prepared in the step A2, then adding 8kg of fluotitanic acid, 3.5kg of sodium polyoxyethylene ether carboxylate and 19kg of water, and uniformly stirring to obtain the glass anti-dizziness treating agent.
PREPARATION EXAMPLES 2-3
Preparation examples 2 to 3 differ from preparation example 1 in that the amounts of raw materials and reaction conditions of preparation examples 2 to 3 differ from those of preparation example 1, see in particular Table 1 below.
TABLE 1 raw materials amounts and reaction conditions for preparation examples 1-3
Preparation example 4
Preparation example 4 differs from preparation example 2 in that the ratio of gelatin to polyvinylpyrrolidone in preparation example 4 is different, the amount of gelatin is 4.69kg, the amount of polyvinylpyrrolidone is 2.81kg, and the other is the same as in preparation example 2.
Preparation example 5
Preparation example 5 differs from preparation example 2 in that the ratio of gelatin to polyvinylpyrrolidone in preparation example 5 is different, the amount of gelatin is 4.17kg, the amount of polyvinylpyrrolidone is 3.33kg, and the other is the same as preparation example 2.
Preparation example 6
Preparation example 6 differs from preparation example 2 in that the proportion of fluorotitanic acid, concentrated sulfuric acid and sodium fluoride in preparation example 6 is different, the amount of fluorotitanic acid used is 11.84kg, the amount of concentrated sulfuric acid used is 26.31kg, and the amount of sodium fluoride used is 1.05kg, otherwise the same as in preparation example 2.
Preparation example 7
Preparation example 7 differs from preparation example 2 in that the proportion of fluorotitanic acid, concentrated sulfuric acid and sodium fluoride in preparation example 7 is different, the amount of fluorotitanic acid used is 13.39kg, the amount of concentrated sulfuric acid used is 24.35kg, and the amount of sodium fluoride used is 1.46kg, otherwise the same as in preparation example 2.
Preparation of comparative example 1
The difference between the preparation of comparative example 1 and the preparation of example 2 is that the ratio of fluorotitanic acid, concentrated sulfuric acid and sodium fluoride in the preparation of comparative example 1 is different, the amount of fluorotitanic acid is 6.03kg, the amount of concentrated sulfuric acid is 30.15kg, the amount of sodium fluoride is 3.02kg, and the other is the same as in preparation of example 2.
Preparation of comparative example 2
Preparation comparative example 2 is different from preparation example 2 in that sodium fluoride is replaced with fluorotitanic acid in the same amount in preparation comparative example 2, and the other is the same as preparation example 2.
Preparation of comparative example 3
Preparation comparative example 3 is different from preparation example 2 in that the equivalent amount of fluorotitanic acid is replaced with hydrofluoric acid in preparation comparative example 3, and the other is the same as preparation example 2.
Preparation of comparative example 4
Preparation example 4 is different from preparation example 2 in that the same amount of polyvinylpyrrolidone as that of gelatin was replaced in preparation example 4, and the other is the same as that of preparation example 2.
Preparation of comparative example 5
The difference between preparation example 5 and preparation example 2 is that the ratio of the homogenizing agent in preparation example 5 is different, the amount of citric acid is 3.6kg, the amount of potassium sodium tartrate is 3.6kg, the amount of sodium perfluorooctanoate is 1.8kg, and the other is the same as in preparation example 2.
Examples
Example 1
An anti-dizziness treatment process for a face recognition glass panel comprises the following steps of:
step 1, carrying out soaking and etching treatment on a glass raw sheet with the length of 65cm and the thickness of 55cm and 0.3cm by adopting the glass dizziness prevention treatment agent prepared in preparation example 1, wherein the soaking time is 60s, the soaking temperature is 50 ℃, and after the soaking and etching treatment, directly washing with water, and drying after washing with water, so as to prepare the anti-dizziness glass raw sheet;
step 2, cutting the anti-dizziness glass raw sheet prepared in the step 1 into an anti-dizziness face recognition glass screen with the width of 32cm, 18cm and 0.3cm according to the required specification and size;
step 3, screen printing the periphery of the anti-dizziness face recognition screen manufactured in the step 2 by using ink to form an ink frame, wherein a circular face acquisition camera area with the diameter of 1.3cm is reserved in the ink frame area, so that an anti-dizziness face recognition glass panel with the face acquisition camera area is manufactured;
and 4, fixing the anti-dizziness face recognition glass panel prepared in the step 3 on a fixed base, and leveling a face acquisition camera area by using laser pulse energy emitted by laser equipment to prepare an anti-dizziness face recognition glass panel finished product.
Examples 2 to 3
Examples 2-3 differ from example 1 in the source of the glass anti-dizziness treatment and the treatment parameters, see in particular table 2 below.
TABLE 2 Source and treatment parameter tables for glass anti-vertigo treatments of examples 1 to 3
Examples 4 to 12
Examples 4-12 differ from example 2 in that the source of the glass anti-dizziness treatments in examples 4-12 is different, see in particular table 3 below.
TABLE 3 Source list of glass anti-vertigo treatments of examples 4-14
Example 13
Example 13 differs from example 7 in that in step 1 of example 13, the glass raw sheet after the soaking treatment is pre-washed with 10 to 15wt% sodium carbonate aqueous solution at a pre-washing temperature of 25 to 35 ℃ for a pre-washing time of 1 to 3 minutes, and then is washed and dried, otherwise, the method is preferably carried out by pre-washing with 12% sodium carbonate aqueous solution at a temperature of 30 ℃ for a pre-washing time of 2 minutes, and then is washed and dried to obtain the anti-dizziness glass raw sheet, and the other steps are the same as in example 7.
Comparative example
Comparative example 1
An anti-dizziness treatment process for a face recognition glass panel comprises the following steps of:
step 1, cutting a glass raw sheet with the length of width of 55cm and the thickness of 0.3cm to prepare a face recognition glass screen with the length of width of 32cm and the thickness of 18cm and the thickness of 0.3 cm;
step 2, screen printing the periphery of the face recognition glass screen manufactured in the step 1 by using ink to form an ink frame, wherein a round face acquisition camera area with the diameter of 1.3cm is reserved in the ink frame area, so that a face recognition glass panel with the face acquisition camera area is manufactured;
step 3, spraying protective ink to the face recognition camera area of the face recognition glass panel with the face collection camera area, which is manufactured in the step 2, and shielding the face recognition camera area after drying;
step 4, soaking the face recognition glass panel prepared in the step 3 in the glass dizziness prevention treatment agent prepared in the preparation example 2, soaking and etching for 90 seconds at the temperature of 55 ℃, and then washing and drying to prepare the anti-dizziness face recognition glass panel;
step 5, soaking the anti-dizziness face recognition glass panel prepared in the step 4 in a protective ink remover, and washing and drying the anti-dizziness face recognition glass panel after the protective ink is removed to prepare an anti-dizziness face recognition glass panel finished product;
wherein, the protective ink used in the step 3 is a conventional commercial acid-resistant protective ink, and the protective ink remover used in the step 5 is a conventional commercial protective ink remover.
Performance test
Specific specification parameters of the laser devices used in the above examples 1 to 13 are as follows:
laser type: home-made nanosecond pulse optical fiber;
laser power: 100W;
laser center wavelength: 1064+ -5 nm;
single pulse energy: 1.5mj;
the anti-dizziness face recognition glass panels prepared in the anti-dizziness treatment processes of examples 1 to 13 and comparative example 1 were subjected to performance test as follows:
1. roughness test of anti-dizziness face recognition glass panel area
Adopting a surface roughness tester, adjusting the surface roughness tester into an Rz test mode, taking the length direction of an anti-dizziness face recognition glass panel as a reference, respectively selecting a left area, a middle area and a right area for testing, taking an average value of test results and recording;
2. light transmittance test of anti-dizziness face recognition glass panel area
The method comprises the steps of adopting a glass light transmittance tester, taking the length direction of an anti-dizziness face recognition glass panel as a reference, respectively selecting a left region, a middle region and a right region for testing, taking an average value of test results and recording;
3. anti-dizziness face recognition reflectivity test for glass panel area
Adopting a glass reflectivity tester, taking the length direction of an anti-dizziness face recognition glass panel as a reference, respectively selecting a left region, a middle region and a right region for testing, taking an average value of test results and recording;
4. light transmittance test of face acquisition camera area
Testing a face acquisition camera area of an anti-dizziness face recognition glass panel by adopting a glass light transmittance tester, and recording a result;
the following are performance test data for the anti-dizziness face recognition glass panels prepared in examples 1 to 13 and comparative example 1, see in particular table 4.
Table 4 table of performance test data for examples 1-13 and comparative example 1
As can be seen by combining examples 1-5 and 11 and combining table 4, the surface of the prepared anti-halation face recognition glass panel has better roughness and flatness by adopting gelatin and polyvinylpyrrolidone in a better proportion as viscosity regulators, the roughness Rz can reach 0.2 μm, the anti-halation effect is better while the anti-halation face recognition glass panel has better light transmittance, the light transmittance of the face collection area of the prepared anti-halation face recognition glass panel can reach 94.3% after laser scanning, the flatness of the prepared anti-halation face recognition glass panel is reduced by adopting gelatin alone as a viscosity regulator in example 11, the roughness Rz is larger than 0.3 μm, the light transmittance is reduced while the reflectivity is increased, and the light transmittance of the face collection area of the prepared anti-halation face recognition glass panel is also reduced after laser scanning, probably because the flatness uniformity of the face collection camera area is lower, and the laser scanning area is not flat under the condition that the thickness dimension of a product is not affected when the laser scanning is performed.
By combining examples 1-3 and examples 6-10 and combining Table 4, it can be seen that the surface of the prepared anti-dizziness face recognition glass panel has better roughness and flatness by using fluotitanic acid, concentrated sulfuric acid and sodium fluoride in a better proportion as the main corrosion systems of the glass anti-dizziness treatment agent, the roughness Rz can reach 0.15 mu m, the lower reflectivity is also achieved while the better light transmittance is achieved, the anti-dizziness effect is good, the light transmittance of the face collection area of the prepared anti-dizziness glass panel can reach 95.5% after laser scanning, the light transmittance of the face collection area can be better, the ranges of the examples 8 and 9 are changed, or sodium fluoride is replaced by fluotitanic acid, the flatness of the prepared anti-dizziness face recognition glass panel is reduced, the roughness Rz is larger than 0.4 mu m, the light transmittance is reduced, the light transmittance of the face collection area of the prepared anti-dizziness face recognition glass panel is obviously reduced after laser scanning, the light transmittance of the face collection area of the prepared anti-dizziness face recognition glass panel is replaced by the lower reflectivity, the light transmittance of the same amount is obviously reduced after the laser scanning, the surface of the anti-dizziness face recognition glass panel is obviously reduced after the surface of the anti-dizziness face recognition glass panel is subjected to laser scanning, the roughness is obviously reduced after the surface roughness of the face is reduced by 0 mu m.
As can be seen by combining examples 1-3 and example 12 and combining table 4, the surface of the prepared anti-dizziness face recognition glass panel has better roughness and surface evenness, and the face collecting area of the prepared anti-dizziness face recognition glass panel has higher light transmittance after laser scanning.
As can be seen from the combination of example 7 and example 13 and the combination of table 4, the pre-washing after the immersion etching of the glass raw sheet can slightly improve the surface uniformity and flatness of the prepared anti-dizziness face recognition glass panel, and has a slight influence on the light transmittance and the reflectivity.
As can be seen by combining examples 1-3 and comparative example 1 with Table 4, the anti-dizziness face recognition glass panel prepared by the anti-dizziness face recognition glass panel anti-dizziness treatment process has good surface roughness and uniform flatness, has good light transmittance and low reflectivity, has good anti-dizziness effect, and has good light transmittance after laser scanning in a face acquisition area, while in comparative example 1, the glass anti-dizziness face recognition glass panel prepared by the anti-dizziness face recognition glass panel anti-dizziness treatment agent disclosed by the application is subjected to soaking etching treatment, but the roughness Rz of the prepared anti-dizziness face recognition glass panel is larger than 1 mu m, the light transmittance is lower than 80%, and the reflectivity is relatively high and reaches 6.8%.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (9)
1. An anti-dizziness treatment process for a face recognition glass panel is characterized by comprising the following steps of:
step 1, carrying out soaking and etching treatment on a large-size glass raw sheet by adopting a glass dizziness prevention treating agent, and washing and drying the glass raw sheet after the soaking and etching treatment to obtain an anti-dizziness glass raw sheet;
step 2, cutting the anti-dizzy glass raw sheet prepared in the step 1 according to the required specification and size to prepare an anti-dizzy face recognition glass screen;
step 3, screen printing the periphery of the face recognition glass screen manufactured in the step 2 by using ink to form an ink frame, and reserving a face acquisition camera area in the ink frame area to manufacture an anti-dizziness face recognition glass panel with the face acquisition camera area;
step 4, leveling the face collecting camera area of the anti-dizzy face recognition glass panel prepared in the step 3 by using laser to prepare an anti-dizzy face recognition glass panel finished product;
the glass dizziness preventing treating agent in the step 1 is prepared from the following raw materials in percentage by weight: 8-14% fluotitanic acid, 20-28% concentrated sulfuric acid, 6-12% homogenizing agent, 2.5-5% sodium polyoxyethylene ether carboxylate, 3-6% gelatin, 1.5-3.5% polyvinylpyrrolidone, 0.5-1.5% sodium fluoride and the balance water.
2. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: the specific steps of using laser to sweep the face collecting camera area of the anti-dizziness face recognition glass panel in the step 4 are as follows:
s1, fixing an anti-dizziness face recognition glass panel on a fixed base;
s2, aligning the laser equipment to a face collecting camera area of the anti-dizziness face recognition glass panel, transmitting laser pulse energy by the laser equipment, and performing laser scanning on the face collecting camera area to obtain an anti-dizziness face recognition glass panel finished product.
3. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: the homogenizing agent consists of citric acid, potassium sodium tartrate and sodium perfluorooctanoate with the mass ratio of 1 (0.4-0.5) to 0.1-0.2.
4. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: the mass ratio of the fluotitanic acid, the concentrated sulfuric acid and the sodium fluoride is (0.45-0.55) 1 (0.04-0.06).
5. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: the mass ratio of the gelatin to the polyvinylpyrrolidone is 1 (0.6-0.8).
6. An antiglare treatment process for face recognition glass panels according to any one of claims 1 to 5, wherein: the glass dizziness preventing treating agent is prepared by the following steps:
a1, heating concentrated sulfuric acid to 100-140 ℃, adding gelatin and polyvinylpyrrolidone, stirring and dissolving for 1-2h to obtain a mixture A;
a2, adding the homogenizing agent and sodium fluoride into water accounting for 60-80wt% of the total water to dissolve, and uniformly stirring to obtain a mixture B;
and A3, slowly adding the mixture A prepared in the step A1 into the mixture B prepared in the step A2, then adding fluotitanic acid, sodium polyoxyethylene ether carboxylate and the balance of water, and uniformly stirring to prepare the glass dizziness preventing treating agent.
7. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: the soaking treatment temperature of the glass raw sheet in the step 1 is 50-60 ℃, and the soaking treatment time is 60-120s.
8. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: in the step 1, after the soaking treatment, 10-15wt% sodium carbonate aqueous solution is used for pre-washing, the pre-washing temperature is 25-35 ℃, the pre-washing time is 1-3min, and the pre-washing is carried out and then the pre-washing is carried out for drying.
9. An antiglare treatment process for face recognition glass panels according to claim 1, wherein: the roughness Rz of the anti-dizziness glass raw sheet prepared in the step 1 is not more than 0.3 mu m.
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006265017A (en) * | 2005-03-23 | 2006-10-05 | Nishiyama Stainless Chem Kk | Method for etching glass surface |
JP2013139381A (en) * | 2011-12-07 | 2013-07-18 | Nippon Sheet Glass Co Ltd | Glass for solar cell or display and method of producing the same |
CN105122453A (en) * | 2013-04-01 | 2015-12-02 | 豪雅冠得股份有限公司 | Near-infrared absorbing glass and method for manufacturing same |
CN106746704A (en) * | 2017-01-16 | 2017-05-31 | 浙江宝泰电子有限公司 | A kind of processing method of the display screen glass of built-in camera computer |
CN106892571A (en) * | 2015-12-21 | 2017-06-27 | 旭硝子株式会社 | The manufacture method and glass substrate of glass substrate |
CN109052979A (en) * | 2018-10-18 | 2018-12-21 | 江苏金琥珀光学科技股份有限公司 | Etching solution and the processing technology that low haze glare proof glass is realized using the etching solution |
CN110903035A (en) * | 2018-09-18 | 2020-03-24 | 新科实业有限公司 | Anti-glare glass and preparation method thereof |
CN112661410A (en) * | 2020-12-28 | 2021-04-16 | 广东小天才科技有限公司 | Manufacturing method of anti-dazzle cover plate |
CN115677229A (en) * | 2022-11-04 | 2023-02-03 | 维达力实业(赤壁)有限公司 | Frosting etching composition and preparation method and application thereof |
-
2023
- 2023-03-08 CN CN202310214970.0A patent/CN116354609B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006265017A (en) * | 2005-03-23 | 2006-10-05 | Nishiyama Stainless Chem Kk | Method for etching glass surface |
JP2013139381A (en) * | 2011-12-07 | 2013-07-18 | Nippon Sheet Glass Co Ltd | Glass for solar cell or display and method of producing the same |
CN105122453A (en) * | 2013-04-01 | 2015-12-02 | 豪雅冠得股份有限公司 | Near-infrared absorbing glass and method for manufacturing same |
CN106892571A (en) * | 2015-12-21 | 2017-06-27 | 旭硝子株式会社 | The manufacture method and glass substrate of glass substrate |
CN106746704A (en) * | 2017-01-16 | 2017-05-31 | 浙江宝泰电子有限公司 | A kind of processing method of the display screen glass of built-in camera computer |
CN110903035A (en) * | 2018-09-18 | 2020-03-24 | 新科实业有限公司 | Anti-glare glass and preparation method thereof |
CN109052979A (en) * | 2018-10-18 | 2018-12-21 | 江苏金琥珀光学科技股份有限公司 | Etching solution and the processing technology that low haze glare proof glass is realized using the etching solution |
CN112661410A (en) * | 2020-12-28 | 2021-04-16 | 广东小天才科技有限公司 | Manufacturing method of anti-dazzle cover plate |
CN115677229A (en) * | 2022-11-04 | 2023-02-03 | 维达力实业(赤壁)有限公司 | Frosting etching composition and preparation method and application thereof |
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