CN111683167A - Manufacturing process of mobile phone camera lens - Google Patents
Manufacturing process of mobile phone camera lens Download PDFInfo
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- CN111683167A CN111683167A CN202010543447.9A CN202010543447A CN111683167A CN 111683167 A CN111683167 A CN 111683167A CN 202010543447 A CN202010543447 A CN 202010543447A CN 111683167 A CN111683167 A CN 111683167A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—Severing cooled glass by thermal shock
- C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
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- 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
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- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
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- 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
- C03C2218/114—Deposition methods from solutions or suspensions by brushing, pouring or doctorblading
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- 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
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/151—Deposition methods from the vapour phase by vacuum evaporation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Toxicology (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a manufacturing process of a mobile phone camera lens, which comprises the steps of cutting, laser cutting, ultrasonic cleaning, etching, tempering, three-time silk-screen printing, NCVM electroplating, deplating, AR plating, AF plating, splitting, laminating and inspecting; compared with a small CNC process flow, the process flow saves manual processes such as sheet swinging, glue dispensing and the like after cutting, saves manual processes such as tempering insertion frames, frame taking and the like, and saves manual stations such as sheet swinging and the like in silk screen printing; improve product appearance precision: the laser cutting process is utilized to perform outline scribing, so that the outline size precision of the product is improved; the secondary toughening process is adopted, so that the impact strength of the camera lens is improved, and the spontaneous explosion rate is reduced; the yield is improved: the comprehensive yield of the product is improved by more than 10% on average.
Description
Technical Field
The invention relates to the field of mobile phone cameras, in particular to a mobile phone camera lens manufacturing process.
Background
The traditional mobile phone camera lens is processed in a CNC mode, and the processes of tempering, silk-screen printing and the like are traditional manual operations, so that the number of people is large, and the product precision is low; related data are well retrieved, so that the application file is well planned; the existing CNC (computer numerical control) chip processing process flow mainly comprises the following steps: glass raw material-cutting-CNC processing-tempering-silk-screen printing-electroplating NCVM-silk-screen printing cover bottom-deplating-plating silk-screen printing surface AR-plating surface AF-full inspection-packaging-shipment.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to a certain extent. Therefore, the invention aims to provide a manufacturing process of a large-piece laser mobile phone camera.
A manufacturing process of a lens of a mobile phone camera comprises the following steps:
s1, cutting, namely dividing the whole glass raw material into a plurality of groups of glass middle pieces with the same set size by using a cutting machine;
s2, laser cutting, namely cutting a plurality of groups of outer contour lines of the cameras on the glass middle sheet according to the set track according to the size and the outer contour of the cameras;
s3, ultrasonic cleaning, namely immersing the cut middle glass sheet into a flowing water tank for washing for 4 minutes, taking out the middle glass sheet, immersing the middle glass sheet into a pure water tank for washing for 3.5 minutes, and precipitating impurities with larger particles on the surface of the middle glass sheet; then taking out the glass middle sheet, and ultrasonically cleaning the glass middle sheet in an ultrasonic slow-pulling groove for 4 minutes to remove fine particles on the surface of the glass;
s4, etching, namely coating paraffin on the camera area of the glass middle plate, then carving patterns on the paraffin through a tool, and finally coating hydrofluoric acid on the surface of the paraffin to obtain etched patterns;
s5, tempering, namely, placing the glass middle piece in a heating furnace for heating, annealing after heating to a critical point, then cooling the glass middle piece to room temperature by soaking water, carrying out secondary heating by the heating furnace, annealing after heating to the critical point, carrying out secondary heating by adopting the heating furnace, annealing after heating to the critical point, and then placing the tempered glass in a water-splitting tank for water splitting treatment;
s6, performing three-time silk-screen printing, namely respectively printing primer, CD (compact disc) lines, top colors and characters on the processing area of the back surface of the lens of the camera of the glass middle plate through a silk-screen printing machine;
s7, carrying out NCVM electroplating, namely putting the front surface of the middle glass sheet into a vacuum furnace for NVVM electroplating, and attaching a non-conductive metal layer on the front surface of the middle glass sheet;
s8, deplating, namely deplating the NCVM plating layer on the front surface of the glass middle piece by using a deplating solution;
s9, plating a silk-screen surface AR, and plating an AR anti-reflection surface on the back area of the camera;
and S10, plating a front AF layer, and plating an anti-fingerprint AF layer on the front area of the camera.
S11, splitting: placing the middle glass piece plated with the AF layer in a jig plate, and splitting the outer contour line of the camera by a splitting machine;
s12, coating: placing the split glass medium pieces under a film covering machine for film covering;
s13, checking: and then, carrying out flaw detection on the coated camera lens by using an industrial camera, throwing the unqualified product into an NG box, and enabling the qualified product to flow into a packaging area for packaging.
In one embodiment, the step S5 may specifically include the following steps:
s5.1, putting the middle glass sheet into a heating furnace, heating to 75 ℃, keeping the temperature for 10min, preheating the surface of the middle glass sheet, and then quickly heating the middle glass sheet to 420-460 ℃;
s5.2, slowly cooling to 400-420 ℃, annealing for 3-5 min, then flowing into a high-pressure fan for rapid cooling, after cooling to 65-75 ℃, putting the middle glass sheet into a flowing water tank for cleaning, and removing impurities on the surface of the middle glass sheet;
s5.3, after cleaning, putting the middle glass sheet into a heating furnace again, heating the middle glass sheet to 75 ℃ and keeping the temperature for 10min to carry out secondary preheating on the surface of the middle glass sheet, then quickly heating the middle glass sheet to 260-280 ℃, reducing the temperature to 280-300 ℃, and keeping the temperature for 2 h;
and S5.4, cooling the middle glass sheet by using a high-pressure fan until the temperature is reduced to 75 ℃, and putting the middle glass sheet into a water decomposition pool for water decomposition, wherein the temperature in the water decomposition pool is kept at 65-75 ℃.
In one embodiment, the step S6 specifically includes:
s6.1, placing the middle glass sheet on an objective table through a sheet placing machine, and then, covering a film on the back surface area of the middle glass sheet by using a film covering machine;
s6.2, wiping the surface of the middle glass sheet by a sheet wiping machine, and then silk-screening a primer and CD grains in a processing area on the back surface of the camera of the middle glass sheet by a silk-screen printing machine;
s6.3, putting the glass middle sheet into a tunnel furnace for baking until the primer and the CD grains are completely solidified in the back area of the camera;
and S6.4, covering the protective film on the processing area on the back of the camera printed with the primer and the CD grains by using a film covering machine, and then carrying out silk-screen printing on the top color and the characters on the basis of the processing area by using a silk screen printer.
Furthermore, the laser cutting machine adopted for laser cutting has the laser wavelength of 355nm, the maximum power of 12-15W, the repetition frequency of 40-120 KHZ and the laser routing speed of not less than 150 mm/s.
The invention has the beneficial effects that:
1. compared with a small CNC process flow, the process flow saves manual processes such as sheet swinging, glue dispensing and the like after cutting, saves manual processes such as tempering insertion frames, frame taking and the like, and saves manual stations such as sheet swinging and the like in silk screen printing;
2. improve product appearance precision: the laser cutting process is utilized to perform outline scribing, so that the outline size precision of the product is improved;
4. the secondary toughening process is adopted, so that the impact strength of the camera lens is improved, and the spontaneous explosion rate is reduced;
5. the yield is improved: the comprehensive yield of the product is improved by more than 10% on average.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a flow chart of a process for manufacturing a lens of a mobile phone camera according to the present invention;
FIG. 2 is a schematic view of a glass raw material of the present invention;
FIG. 3 is a schematic illustration of a laser cut glass center sheet of the present invention;
FIG. 4 is a schematic view of a glass middle plate after two screen printing processes;
FIG. 5 is a schematic view of a third screen printed glass center of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indications (such as up, down, left, right, front, back, inner and outer, center … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
the manufacturing process of the mobile phone camera lens shown in fig. 1 comprises the following steps:
s1, cutting, namely cutting the 1900 x 1500mm glass raw material into 123 x 85mm glass middle sheets by a glass cutting machine as shown in figure 2, wherein the thickness of each group of glass middle sheets is 0.5 mm;
s2, laser cutting, as shown in FIG. 3, according to the size and the external contour of the cameras, the outer contour of the cameras in the embodiment is preferably elliptical, the length of each camera is 27.5mm, the width of each camera is 6.29mm, the laser cutting machine processes the outer contour lines of 36 groups of cameras according to a set processing track, wherein the outer contour lines are four groups in the transverse direction, 9 groups in the longitudinal direction and 0.3-0.35 mm in cutting depth, and the subsequent splitting process is facilitated;
s3, ultrasonic cleaning, namely immersing the cut middle glass sheet into a flowing water tank for washing for 4 minutes, taking out the middle glass sheet, immersing the middle glass sheet into a pure water tank for washing for 3.5 minutes, and precipitating impurities with larger particles on the surface of the middle glass sheet; taking out the glass middle sheet, and then ultrasonically cleaning the glass middle sheet in an ultrasonic slow-pulling groove for 4 minutes to remove fine impurities and particles on the surface of the glass;
s4, etching, namely coating a layer of paraffin on the camera area of the glass middle plate, then carving patterns on the paraffin through a tool, and finally coating hydrofluoric acid on the surface of the paraffin to obtain etched patterns;
s5, tempering, namely putting the middle glass sheet into a heating furnace, heating to 75 ℃ for 10min to preheat the surface of the middle glass sheet, and then quickly heating the middle glass sheet to 420-460 ℃;
slowly reducing the temperature in the furnace to 400-420 ℃, annealing for 3-5 min, and then flowing the glass middle sheet into a high-pressure fan to rapidly cool the surface of the glass middle sheet so as to form compressive stress on the surface and form tensile stress inside the glass middle sheet, thereby improving the tensile resistance of the surface of the glass; after the temperature is cooled to 65-75 ℃, putting the glass into a flowing water tank for cleaning, and removing impurities generated in the process of tempering the glass;
cleaning, putting the middle glass sheet into a homogenizing furnace, heating to 75 ℃ for 10min to carry out secondary preheating on the surface of the middle glass sheet, then quickly heating to 280-300 ℃, and then preserving heat for 2 h; the process aims at preventing the glass from self-explosion after being toughened and reducing the self-explosion rate;
then cooling the glass middle sheet by a high-pressure fan until the surface temperature of the glass middle sheet is reduced to 75 ℃, and putting the glass middle sheet into a water decomposition pool for water decomposition, wherein the temperature in the water decomposition pool is kept at 65-75 ℃; after the toughened glass is hydrolyzed in the water decomposing pool in order to ensure the toughening effect, the toughened glass needs to be subjected to performance tests including but not limited to a bending test, an impact resistance test and a heat resistance test; surface defect inspection (edge chipping inspection, bubble inspection, etc.).
S6, performing three-time silk-screen printing, and specifically comprising the following steps: uniformly placing the middle glass sheet on an objective table through a sheet placing machine, and then coating the back surface of the middle glass sheet by using a film coating machine;
wiping the surface of the coated glass middle sheet by a sheet wiping machine, and then sequentially screen-printing primer and CD lines on the back area of the camera of the glass middle sheet by a screen printing machine, wherein the effect after screen printing is shown in FIG. 4;
putting the glass middle sheet into a tunnel furnace for baking until the primer and the CD grains are completely solidified in the back area of the camera; wherein the baking temperature is 160-180 ℃, and the baking time is 15-20 min.
And covering the protective film on the back surface area of the camera of the glass middle sheet printed with the primer and the CD grains by using a film covering machine, and then silk-screening top colors and characters on the basis of the processing area by using a silk screen printer, wherein an effect picture after silk-screening is shown in fig. 5. It should be noted that the silk-screen process uses high-fineness, acid-resistant and alkali-resistant ink, and before starting up, whether the printing knife peels off or leaks ink or not, whether the pressure during printing is proper or not and whether the wire-drawing phenomenon occurs or not (the increase of the adhesion degree can affect the silk-screen effect) need to be checked.
S7, carrying out NCVM electroplating, namely putting the front surface of the middle glass sheet into a vacuum furnace for NVVM electroplating, attaching a non-conductive metal layer on the front surface of the middle glass sheet, and passing through 1100-1300 mj/cm2Is irradiated with ultraviolet light.
S8, deplating, namely deplating the NCVM plating layer on the front surface of the glass middle piece by using a deplating solution;
s9, plating a silk-screen surface AR, and plating an AR anti-reflection surface on the back area of the camera;
and S10, plating a front AF layer, and plating an anti-fingerprint AF layer on the front area of the camera.
S11: splitting: placing the middle glass piece plated with the AF layer in a jig plate, and splitting the outer contour line of the camera by a splitting machine to split the middle glass piece into 36 groups of camera lenses;
s12: film covering: placing the camera lens with the cracked lens under a film covering machine for film covering;
s13: and (4) checking: secondly, flaw detection is carried out on the coated camera lens by using an industrial camera, unqualified products are thrown into an NG box, and the qualified products flow into a packaging area to be packaged; constructing a template according to a standard product through an industrial camera, performing threshold matching on the produced camera lens according to the appearance of the template, determining the camera lens to be an unqualified product if the matching degree is lower than 60, and putting the unqualified product into an NG box by a mechanical arm, a clamping jaw and other mechanisms; qualified products flow into a packing area through a conveyor belt to be packed.
Furthermore, the laser cutting machine adopted for laser cutting has the laser wavelength of 355nm, the maximum power of 12-15W, the repetition frequency of 40-120 KHZ and the laser routing speed of not less than 150 mm/s.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A manufacturing process of a lens of a mobile phone camera is characterized by comprising the following steps:
s1, cutting, namely dividing the whole glass raw material into a plurality of groups of glass middle pieces with the same set size by using a cutting machine;
s2, laser cutting, namely cutting a plurality of groups of outer contour lines of the cameras on the glass middle sheet according to the set track according to the size and the outer contour of the cameras;
s3, ultrasonic cleaning, namely immersing the cut middle glass sheet into a flowing water tank for washing for 4 minutes, taking out the middle glass sheet, immersing the middle glass sheet into a pure water tank for washing for 3.5 minutes, and precipitating impurities with larger particles on the surface of the middle glass sheet; then taking out the glass middle sheet, and ultrasonically cleaning the glass middle sheet in an ultrasonic slow-pulling groove for 4 minutes to remove fine particles on the surface of the glass;
s4, etching, namely coating paraffin on the camera area of the glass middle plate, then carving patterns on the paraffin through a tool, and finally coating hydrofluoric acid on the surface of the paraffin to obtain etched patterns;
s5, tempering, namely, placing the glass middle piece in a heating furnace for heating, annealing after heating to a critical point, then cooling the glass middle piece to room temperature by soaking water, carrying out secondary heating by the heating furnace, annealing after heating to the critical point, carrying out secondary heating by adopting the heating furnace, annealing after heating to the critical point, and then placing the tempered glass in a water-splitting tank for water splitting treatment;
s6, performing three-time silk-screen printing, namely respectively printing primer, CD (compact disc) lines, top colors and characters on the processing area of the back surface of the lens of the camera of the glass middle plate through a silk-screen printing machine;
s7, carrying out NCVM electroplating, namely putting the front surface of the middle glass sheet into a vacuum furnace for NVVM electroplating, and attaching a non-conductive metal layer on the front surface of the middle glass sheet;
s8, deplating, namely deplating the NCVM plating layer on the front surface of the glass middle piece by using a deplating solution;
s9, plating a silk-screen surface AR, and plating an AR anti-reflection surface on the back area of the camera;
and S10, plating a front AF layer, and plating an anti-fingerprint AF layer on the front area of the camera.
2. The manufacturing process of the mobile phone camera lens according to claim 1, wherein the step S5 specifically includes the following steps:
s5.1, putting the middle glass sheet into a heating furnace, heating to 75 ℃, keeping the temperature for 10min, preheating the surface of the middle glass sheet, and then quickly heating the middle glass sheet to 420-460 ℃;
s5.2, slowly cooling to 400-420 ℃, annealing for 3-5 min, then flowing into a high-pressure fan for rapid cooling, after cooling to 65-75 ℃, putting the middle glass sheet into a flowing water tank for cleaning, and removing impurities on the surface of the middle glass sheet;
s5.3, after cleaning, putting the middle glass sheet into a heating furnace again, heating the middle glass sheet to 75 ℃ and keeping the temperature for 10min to carry out secondary preheating on the surface of the middle glass sheet, then quickly heating the middle glass sheet to 260-280 ℃, reducing the temperature to 280-300 ℃, and keeping the temperature for 2 h;
and S5.4, cooling the middle glass sheet by using a high-pressure fan until the temperature is reduced to 75 ℃, and putting the middle glass sheet into a water decomposition pool for water decomposition, wherein the temperature in the water decomposition pool is kept at 65-75 ℃.
3. The manufacturing process of the mobile phone camera lens according to claim 1, characterized in that: the step S6 specifically includes:
s6.1, placing the middle glass sheet on an objective table through a sheet placing machine, and then, covering a film on the back surface area of the middle glass sheet by using a film covering machine;
s6.2, wiping the surface of the middle glass sheet by a sheet wiping machine, and then silk-screening a primer and CD grains in a processing area on the back surface of the camera of the middle glass sheet by a silk-screen printing machine;
s6.3, putting the glass middle sheet into a tunnel furnace for baking until the primer and the CD grains are completely solidified in the back area of the camera;
and S6.4, covering the protective film on the processing area on the back of the camera printed with the primer and the CD grains by using a film covering machine, and then carrying out silk-screen printing on the top color and the characters on the basis of the processing area by using a silk screen printer.
4. The manufacturing process of the mobile phone camera lens according to claim 1, characterized in that: the laser cutting machine adopted for laser cutting has the laser wavelength of 355nm, the maximum power of 12-15W, the repetition frequency of 40-120 KHZ and the laser routing speed of not less than 150 mm/s.
5. The manufacturing process of the mobile phone camera lens according to claim 1, characterized in that: further comprising the steps of:
s11, splitting: placing the middle glass piece plated with the AF layer in a jig plate, and splitting the outer contour line of the camera by a splitting machine;
s12, coating: placing the split glass medium pieces under a film covering machine for film covering;
s13, checking: and then, carrying out flaw detection on the coated camera lens by using an industrial camera, throwing the unqualified product into an NG box, and enabling the qualified product to flow into a packaging area for packaging.
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Cited By (6)
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| CN112225463A (en) * | 2020-10-19 | 2021-01-15 | 武汉金鸿桦烨电子科技有限公司 | Method for realizing tempering cleaning and printing of small-grain glass medium piece through laser |
| CN112835134A (en) * | 2021-02-02 | 2021-05-25 | 东莞市鸿瀚电子材料有限公司 | Pressure-resistant high-strength lens for mobile phone camera and production process |
| CN112979179A (en) * | 2021-02-02 | 2021-06-18 | 东莞市鸿瀚电子材料有限公司 | High-resolution lens for mobile phone camera and production process |
| CN113156547A (en) * | 2021-03-09 | 2021-07-23 | 东莞市鸿瀚电子材料有限公司 | Ultra-thin lens with anti-counterfeiting function for mobile phone camera and production process thereof |
| CN113233751A (en) * | 2021-06-04 | 2021-08-10 | 深圳菲比特光电科技有限公司 | Glass processing method and device |
| CN114633030A (en) * | 2022-02-24 | 2022-06-17 | 江门金鸿桦烨电子科技有限公司 | Lens processing method |
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