CN112940504A - Method for reducing refractive index of optical channel material of camera - Google Patents
Method for reducing refractive index of optical channel material of camera Download PDFInfo
- Publication number
- CN112940504A CN112940504A CN202110150122.9A CN202110150122A CN112940504A CN 112940504 A CN112940504 A CN 112940504A CN 202110150122 A CN202110150122 A CN 202110150122A CN 112940504 A CN112940504 A CN 112940504A
- Authority
- CN
- China
- Prior art keywords
- optical channel
- inner hole
- refractive index
- reducing
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000001746 injection moulding Methods 0.000 claims abstract description 41
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 32
- 229920000106 Liquid crystal polymer Polymers 0.000 claims abstract description 30
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims abstract description 28
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 28
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 28
- 238000010329 laser etching Methods 0.000 claims abstract description 17
- 238000005469 granulation Methods 0.000 claims abstract description 16
- 230000003179 granulation Effects 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000007822 coupling agent Substances 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 11
- 238000007747 plating Methods 0.000 claims abstract description 10
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 238000002791 soaking Methods 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 12
- 150000002815 nickel Chemical class 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 12
- 239000012266 salt solution Substances 0.000 claims description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 5
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 5
- 229940010552 ammonium molybdate Drugs 0.000 claims description 5
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 5
- 239000011609 ammonium molybdate Substances 0.000 claims description 5
- 235000011187 glycerol Nutrition 0.000 claims description 5
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- RJOPPIKQXNSFGS-UHFFFAOYSA-N [NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-] Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-] RJOPPIKQXNSFGS-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 4
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229920001897 terpolymer Polymers 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 9
- 238000002310 reflectometry Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000010147 laser engraving Methods 0.000 abstract 1
- 230000004313 glare Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920006389 polyphenyl polymer Polymers 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/02—Polythioethers; Polythioether-ethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1603—Process or apparatus coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/22—Roughening, e.g. by etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a method for reducing the refractive index of a camera optical channel material, which comprises the following steps: 1) preparing raw materials: weighing the following components in parts by mass, namely polyphenylene sulfide resin PPS: 40-70%, liquid crystal polymer LCP: 5-10%, compatibilizer: 1-2%, coupling agent: 0.5-1%; 2) and (3) granulation treatment: adding copper particles into the component raw materials in the step 1) for granulation treatment; 3) injection molding of the optical channel; 4) performing laser engraving treatment on the inner hole; 5) plating black nickel on the inner hole: and soaking the black nickel solution on the surface of the inner hole of the optical channel to form a black nickel film layer. The inner hole of the optical channel is subjected to laser etching, so that a matte area with roughness is formed on the inner hole of the optical channel, the surface reflectivity of the optical channel is reduced, and the imaging effect of a camera is improved; the black nickel plating treatment is carried out on the surface of the inner hole of the optical channel, so that the absorption rate of the optical channel to strong light can be improved, the residual image of the camera during shooting is reduced, and the imaging definition is improved.
Description
Technical Field
The invention relates to the technical field of camera optical channels, in particular to a method for reducing the refractive index of a camera optical channel material.
Background
The camera is an important part of all the factors of the imaging quality of the shooting equipment, and with the development of the smart phone, the mobile phone becomes the shooting equipment which is most widely used at present, and all the performance indexes of the mobile phone are developed at a high speed. The shooting capability of the mobile phone is one of the performances most concerned by consumers among various performances of the mobile phone. The optical channel of the camera is used as a part for processing light, when external light irradiates the optical channel of the camera, the light can be refracted for many times on the inner wall of the lens barrel, the final imaging effect is fuzzy, residual shadows exist, the shooting definition of the camera is affected, and the phenomenon is more obvious when a shot object contains a bright light source.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method for reducing the refractive index of the optical channel material of the camera solves the problem of imaging blurring of the camera caused by large refractive index of the optical channel of the camera.
The invention comprises the following steps:
1) preparing raw materials: weighing the following components in parts by mass, namely polyphenylene sulfide resin PPS: 40-70%, liquid crystal polymer LCP: 5-10%, compatibilizer: 1-2%, coupling agent: 0.5-1%, uniformly mixing the raw materials of the components, and then drying;
2) and (3) granulation treatment: adding the raw materials obtained in the step 1) into a double-screw extruder, feeding copper granules laterally, wherein the screw temperature is 150-170 ℃, and extruding and granulating to obtain a granulation mixture;
3) optical channel injection molding: putting the granulation mixture obtained in the step 2) into a hopper of an injection molding machine, wherein the temperature of a charging barrel of the injection molding machine is as follows: 200-240 ℃, the temperature of a nozzle is 300-320 ℃, the temperature of an optical channel mold is 100-130 ℃, the rotating speed of a screw is 90-240 r/min, the injection pressure is 60-80 MPa, after injection is finished, an optical channel injection molding piece with an inner hole structure is obtained, and after the temperature of the optical channel injection molding piece is reduced to 80-100 ℃, demolding is carried out to take out the piece;
4) inner hole laser etching treatment: placing the optical channel obtained in the step 3) in a laser etching machine for processing so as to perform laser etching treatment on the inner hole of the optical channel and form a matte area with roughness on the surface of the inner hole of the optical channel;
5) plating black nickel on the inner hole: and soaking the black nickel solution on the surface of the inner hole of the optical channel by adopting a chemical coating mode to form a black nickel film layer.
In the scheme, the drying temperature in the step 1) is 60-80 ℃.
In the scheme, the black nickel solution comprises the following components in percentage by mass: 70-80% of nickel salt solution, 4-5% of blackening agent and 4-6% of film forming agent.
In the above scheme, the nickel salt solution is one of metal nickel sulfate or nickel chloride.
In the above scheme, the blackening agent is one of ammonium molybdate and ammonium hexachloride.
In the above scheme, the film forming agent is one of glycerin, polyethylene glycol or ethylene glycol.
In the above scheme, the compatibilizer is an ethylene-maleic anhydride-glycidyl methacrylate terpolymer.
In the above scheme, the coupling agent is a silane coupling agent.
In the scheme, a heat preservation treatment process is further arranged between the step 3) and the step 4), and after the injection molding piece is demolded and taken, the optical channel injection molding piece is placed in a heat preservation box at the temperature of 50-60 ℃ for heat preservation for 1-2 hours.
In the scheme, the thickness of the black nickel film layer is 50-100 mu m.
Compared with the prior art, the invention has the following advantages:
1. the polyphenylene sulfide resin PPS, the liquid crystal polymer LCP and the copper particles of the optical channel material are granulated, so that the uniformity of a mixture is better, the quality effect of injection molding of the optical channel of the camera is effectively improved, and the uneven surface thickness of the optical channel is avoided; meanwhile, the copper particles are added into the polyphenylene sulfide resin PPS and the liquid crystal polymer LCP for mixing and injection molding, so that the hardness and rigidity of an optical channel of the camera can be improved, the overall thickness is thinner, and the optical channel can be conveniently assembled in a camera device with a smaller volume for use;
2. according to the invention, the inner hole of the optical channel is subjected to laser etching treatment, so that a matte area with roughness is formed on the surface of the inner hole of the optical channel, thus the surface reflectivity of the optical channel is reduced, and the imaging effect of the camera is improved;
3. according to the invention, the black nickel plating treatment is carried out on the surface of the inner hole of the optical channel, so that the absorptivity of the optical channel to strong light can be improved, the strong light is prevented from being reflected for many times in the optical channel to form stray light, the residual image of a camera during shooting is reduced, and the imaging definition is improved.
Drawings
FIG. 1 is a schematic view of an illumination image of an optical channel of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a method for reducing a refractive index of an optical channel material of a camera, which mainly comprises the following steps:
1) preparing raw materials: weighing the following components in parts by mass, namely polyphenylene sulfide resin PPS: 40-70%, liquid crystal polymer LCP: 5-10%, compatibilizer: 1-2%, coupling agent: 0.5-1%, and drying the raw materials after uniformly mixing. In the embodiment, the components in parts by weight are as follows: polyphenylene sulfide resin PPS: 40%, liquid crystalline polymer LCP: 5%, compatibilizer: 1%, coupling agent: 0.5 percent.
2) And (3) granulation treatment: adding the raw materials obtained in the step 1) into a double-screw extruder, feeding copper particles laterally, extruding and granulating at the screw temperature of 150-170 ℃ to obtain a granulation mixture. In this example, the screw temperature was 150 ℃. Through carrying out granulation processing to polyphenyl thioether resin PPS, liquid crystal polymer LCP and copper grain for the homogeneity of mixture is better, effectively improves camera light channel injection moulding's quality effect, avoids the surperficial thickness of light channel inhomogeneous.
3) Injection molding of the optical channel 10: putting the granulation mixture obtained in the step 2) into a hopper of an injection molding machine, wherein the temperature of a charging barrel of the injection molding machine is as follows: 200-240 ℃, the temperature of a nozzle is 300-320 ℃, the temperature of an optical channel mold is 100-130 ℃, the rotating speed of a screw is 90-240 r/min, the injection pressure is 60-80 MPa, after injection is finished, an optical channel 10 injection molding part with an inner hole structure is obtained, and after the temperature of the optical channel 10 injection molding part is reduced to 80-100 ℃, demolding is carried out to obtain the injection molding part. In this embodiment, the temperature of the cylinder of the injection molding machine is: and (3) performing demoulding to obtain the injection molding piece of the optical channel 10 with the inner hole structure after the injection is finished, wherein the temperature of a nozzle is 300 ℃, the temperature of an optical channel mold is 100 ℃, the rotating speed of a screw is 90r/min, and the injection molding pressure is 60MPa, and after the temperature of the injection molding piece of the optical channel 10 is reduced to 80 ℃. Adding the copper particles to polyphenylene sulfide resin PPS and liquid crystal polymer LCP, mixing and injection molding can be carried out, so that the hardness and rigidity of the optical channel 10 of the camera can be improved, the overall thickness is thinner and thinner, and the optical channel 10 can be conveniently assembled in a camera device with a smaller volume for use.
4) Inner hole laser etching treatment: placing the optical channel 10 obtained in the step 3) in a laser etching machine for processing so as to perform laser etching treatment on the inner hole of the optical channel 10, and forming a matte area with roughness on the surface of the inner hole of the optical channel 10. In the implementation, the inner hole of the optical channel 10 is subjected to laser etching treatment to form a matte area with roughness on the surface of the inner hole of the optical channel, so that the surface reflectivity of the optical channel 10 is reduced, the imaging effect of the camera is improved,
5) plating black nickel on the inner hole: the black nickel solution is soaked on the surface of the inner hole of the optical channel 10 by adopting a chemical coating mode, so that a black nickel film layer 100 is formed. In this embodiment, through the processing of plating black nickel at the hole surface of light channel 10, can improve the absorptivity of light channel 10 to the highlight, avoid the highlight to carry out multiple reflection in light channel 10 and form the veiling glare, reduce the ghost of camera when shooing, promote the imaging definition.
Preferably, the drying temperature in the step 1) is 60-80 ℃. In this embodiment, the drying temperature in step 1) is 60 ℃.
Preferably, the black nickel solution comprises the following components in percentage by mass: 70-80% of nickel salt solution, 4-5% of blackening agent and 4-6% of film forming agent. In this embodiment, the black nickel solution includes the following components by mass: 70% of nickel salt solution, 4% of blackening agent and 4% of film forming agent.
Preferably, the nickel salt solution is one of metal nickel sulfate or nickel chloride. In this embodiment, the nickel salt solution is a sulfate of metallic nickel.
Preferably, the blackening agent is one of ammonium molybdate and ammonium hexachloride. In this example, the blackening agent is ammonium molybdate.
Preferably, the film forming agent is one of glycerin, polyethylene glycol or ethylene glycol. In this example, the film-forming agent is glycerin.
Preferably, the compatibilizer is an ethylene-maleic anhydride-glycidyl methacrylate terpolymer.
Preferably, the coupling agent is a silane coupling agent.
Preferably, a heat preservation treatment process is further arranged between the step 3) and the step 4), and after demolding and taking out the part, the injection molded part of the optical channel 10 is placed in a heat preservation box at the temperature of 50-60 ℃ for heat preservation for 1-2 hours. In this embodiment, after removing the mold, the optical channel 10 injection molded article is placed in a 50 ℃ incubator and kept warm for 1 hour.
Preferably, the thickness of the black nickel film layer 100 is 50-100 μm. In this embodiment, the thickness of the black nickel film layer 100 is 50 μm.
Example 2
As shown in fig. 1, the present embodiment provides a method for reducing a refractive index of an optical channel material of a camera, which mainly comprises the following steps:
1) preparing raw materials: weighing the following components in parts by mass, namely polyphenylene sulfide resin PPS: 40-70%, liquid crystal polymer LCP: 5-10%, compatibilizer: 1-2%, coupling agent: 0.5-1%, and drying the raw materials after uniformly mixing. In the embodiment, the components in parts by weight are as follows: polyphenylene sulfide resin PPS: 70%, liquid crystalline polymer LCP: 10%, compatibilizer: 2%, coupling agent: 1 percent.
2) And (3) granulation treatment: adding the raw materials obtained in the step 1) into a double-screw extruder, feeding copper particles laterally, extruding and granulating at the screw temperature of 150-170 ℃ to obtain a granulation mixture. In this example, the screw temperature was 170 ℃. Through carrying out granulation processing to polyphenyl thioether resin PPS, liquid crystal polymer LCP and copper grain for the homogeneity of mixture is better, effectively improves camera light channel injection moulding's quality effect, avoids the surperficial thickness of light channel inhomogeneous.
3) Injection molding of the optical channel 10: putting the granulation mixture obtained in the step 2) into a hopper of an injection molding machine, wherein the temperature of a charging barrel of the injection molding machine is as follows: 200-240 ℃, the temperature of a nozzle is 300-320 ℃, the temperature of an optical channel mold is 100-130 ℃, the rotating speed of a screw is 90-240 r/min, the injection pressure is 60-80 MPa, after injection is finished, an optical channel 10 injection molding part with an inner hole structure is obtained, and after the temperature of the optical channel 10 injection molding part is reduced to 80-100 ℃, demolding is carried out to obtain the injection molding part. In this embodiment, the temperature of the cylinder of the injection molding machine is: and (3) performing injection molding at the injection pressure of 80MPa and the nozzle temperature of 320 ℃, the optical channel mold temperature of 130 ℃, the screw rotation speed of 240r/min, obtaining an optical channel 10 injection molding part with an inner hole structure after injection, and demolding and taking the part after the temperature of the optical channel 10 injection molding part is reduced to 100 ℃. Adding the copper particles to polyphenylene sulfide resin PPS and liquid crystal polymer LCP, mixing and injection molding can be carried out, so that the hardness and rigidity of the optical channel 10 of the camera can be improved, the overall thickness is thinner and thinner, and the optical channel 10 can be conveniently assembled in a camera device with a smaller volume for use.
4) Inner hole laser etching treatment: placing the optical channel 10 obtained in the step 3) in a laser etching machine for processing so as to perform laser etching treatment on the inner hole of the optical channel 10, and forming a matte area with roughness on the surface of the inner hole of the optical channel 10. In the implementation, the inner hole of the optical channel 10 is subjected to laser etching treatment, so that a matte area with roughness is formed on the surface of the inner hole of the optical channel 10, the surface reflectivity of the optical channel 10 is reduced, the imaging effect of the camera is improved,
5) plating black nickel on the inner hole: the black nickel solution is soaked on the surface of the inner hole of the optical channel 10 by adopting a chemical coating mode, so that a black nickel film layer 100 is formed. In this embodiment, through the processing of plating black nickel at the hole surface of light channel 10, can improve the absorptivity of light channel 10 to the highlight, avoid the highlight to carry out multiple reflection in light channel 10 and form the veiling glare, reduce the ghost of camera when shooing, promote the imaging definition.
Preferably, the drying temperature in the step 1) is 60-80 ℃. In this embodiment, the drying temperature in step 1) is 80 ℃.
Preferably, the black nickel solution comprises the following components in percentage by mass: 70-80% of nickel salt solution, 4-5% of blackening agent and 4-6% of film forming agent. In this embodiment, the black nickel solution includes the following components by mass: 80% of nickel salt solution, 5% of blackening agent and 6% of film forming agent.
Preferably, the nickel salt solution is one of metal nickel sulfate or nickel chloride. In this embodiment, the nickel salt solution is nickel chloride of metallic nickel.
Preferably, the blackening agent is one of ammonium molybdate and ammonium hexachloride. In this example, the blackening agent was ammonium hexachloronate.
Preferably, the film forming agent is one of glycerin, polyethylene glycol or ethylene glycol. In this embodiment, the film-forming agent is ethylene glycol.
Preferably, the compatibilizer is an ethylene-maleic anhydride-glycidyl methacrylate terpolymer.
Preferably, the coupling agent is a silane coupling agent.
Preferably, a heat preservation treatment process is further arranged between the step 3) and the step 4), and after demolding and taking out the part, the injection molded part of the optical channel 10 is placed in a heat preservation box at the temperature of 50-60 ℃ for heat preservation for 1-2 hours. In this embodiment, after removing the mold, the optical channel 10 injection molded article is placed in a 60 ℃ incubator and kept warm for 2 hours.
Preferably, the thickness of the black nickel film layer 100 is 50-100 μm. In this embodiment, the thickness of the black nickel film layer 100 is 100 μm.
Compared with the prior art, the invention has the following advantages:
1. the polyphenylene sulfide resin PPS, the liquid crystal polymer LCP and the copper particles of the optical channel material are granulated, so that the uniformity of a mixture is better, the quality effect of injection molding of the optical channel of the camera is effectively improved, and the uneven surface thickness of the optical channel is avoided; meanwhile, the copper particles are added into the polyphenylene sulfide resin PPS and the liquid crystal polymer LCP for mixing and injection molding, so that the hardness and rigidity of an optical channel of the camera can be improved, the overall thickness is thinner, and the optical channel can be conveniently assembled in a camera device with a smaller volume for use;
2. according to the invention, the inner hole of the optical channel is subjected to laser etching treatment, so that a matte area with roughness is formed on the surface of the inner hole of the optical channel, thus the surface reflectivity of the optical channel is reduced, and the imaging effect of the camera is improved;
3. according to the invention, the black nickel plating treatment is carried out on the surface of the inner hole of the optical channel, so that the absorptivity of the optical channel to strong light can be improved, the strong light is prevented from being reflected for many times in the optical channel to form stray light, the residual image of a camera during shooting is reduced, and the imaging definition is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for reducing refractive index of a camera optical channel material is characterized by comprising the following steps: the method comprises the following steps:
1) preparing raw materials: weighing the following components in parts by mass, namely polyphenylene sulfide resin PPS: 40-70%, liquid crystal polymer LCP: 5-10%, compatibilizer: 1-2%, coupling agent: 0.5-1%, uniformly mixing the raw materials of the components, and then drying;
2) and (3) granulation treatment: adding the raw materials obtained in the step 1) into a double-screw extruder, feeding copper granules laterally, wherein the screw temperature is 150-170 ℃, and extruding and granulating to obtain a granulation mixture;
3) optical channel injection molding: putting the granulation mixture obtained in the step 2) into a hopper of an injection molding machine, wherein the temperature of a charging barrel of the injection molding machine is as follows: 200-240 ℃, the temperature of a nozzle is 300-320 ℃, the temperature of an optical channel mold is 100-130 ℃, the rotating speed of a screw is 90-240 r/min, the injection pressure is 60-80 MPa, after injection is finished, an optical channel injection molding piece with an inner hole structure is obtained, and after the temperature of the optical channel injection molding piece is reduced to 80-100 ℃, demolding is carried out to take out the piece;
4) inner hole laser etching treatment: placing the optical channel obtained in the step 3) in a laser etching machine for processing so as to perform laser etching treatment on the inner hole of the optical channel and form a matte area with roughness on the surface of the inner hole of the optical channel;
5) plating black nickel on the inner hole: and soaking the black nickel solution on the surface of the inner hole of the optical channel by adopting a chemical coating mode to form a black nickel film layer.
2. The method for reducing the refractive index of the optical channel material of the camera according to claim 1, wherein: the drying temperature in the step 1) is 60-80 ℃.
3. The method for reducing the refractive index of the optical channel material of the camera according to claim 1, wherein: the black nickel solution comprises the following components in percentage by mass: 70-80% of nickel salt solution, 4-5% of blackening agent and 4-6% of film forming agent.
4. The method for reducing the refractive index of the optical channel material of the camera according to claim 3, wherein: the nickel salt solution is one of metal nickel sulfate or nickel chloride.
5. The method for reducing the refractive index of the optical channel material of the camera according to claim 3, wherein: the blackening agent is one of ammonium molybdate or ammonium hexachloride.
6. The method for reducing the refractive index of the optical channel material of the camera according to claim 3, wherein: the film forming agent is one of glycerin, polyethylene glycol or ethylene glycol.
7. The method for reducing the refractive index of the optical channel material of the camera according to claim 1, wherein: the compatilizer is an ethylene-maleic anhydride-glycidyl methacrylate terpolymer.
8. The method for reducing the refractive index of the optical channel material of the camera according to claim 1, wherein: the coupling agent is a silane coupling agent.
9. The method for reducing the refractive index of the optical channel material of the camera according to claim 1, wherein: and (3) a heat preservation treatment process is also arranged between the step 3) and the step 4), and after demolding and taking out the part, the optical channel injection part is placed in a heat preservation box at the temperature of 50-60 ℃ for heat preservation for 1-2 hours.
10. The method for reducing the refractive index of the optical channel material of the camera according to claim 1, wherein: the thickness of the black nickel film layer is 50-100 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150122.9A CN112940504A (en) | 2021-02-03 | 2021-02-03 | Method for reducing refractive index of optical channel material of camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150122.9A CN112940504A (en) | 2021-02-03 | 2021-02-03 | Method for reducing refractive index of optical channel material of camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112940504A true CN112940504A (en) | 2021-06-11 |
Family
ID=76243208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110150122.9A Pending CN112940504A (en) | 2021-02-03 | 2021-02-03 | Method for reducing refractive index of optical channel material of camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112940504A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005163107A (en) * | 2003-12-02 | 2005-06-23 | C Uyemura & Co Ltd | Method of forming black nickel film, and electroless nickel-phosphorus plating bath |
| CN101054697A (en) * | 2007-02-12 | 2007-10-17 | 伟业重工(安徽)有限公司 | Plating black nickel and plating technique thereof |
| CN101768358A (en) * | 2008-12-31 | 2010-07-07 | 深圳市科聚新材料有限公司 | PPS (polyphenylene sulfite)/LCP (liquid crystal polymer) composite material and preparation method thereof |
| KR20110029602A (en) * | 2009-09-16 | 2011-03-23 | 주식회사 신진테크 | Preparation method of polyphenylenesulfide shaped body with plating layer and the shaped body |
| CN102785428A (en) * | 2012-08-02 | 2012-11-21 | 镇江江科机电工程有限公司 | Wear resistant and self-lubricating PPS (polyphenylene sulfide)-metallic composite and preparation method thereof |
| CN104693800A (en) * | 2013-12-05 | 2015-06-10 | 上海杰事杰新材料(集团)股份有限公司 | Impact-resistant conductive PPS/LCP composite material and preparation method thereof |
| CN107400361A (en) * | 2017-08-25 | 2017-11-28 | 广东壹豪新材料科技股份有限公司 | A kind of LCP/PPS composites and preparation method thereof |
| CN107523056A (en) * | 2017-09-19 | 2017-12-29 | 江门市德众泰工程塑胶科技有限公司 | A kind of polyphenylene sulfide compound for environment-protection electroplating and preparation method thereof |
| CN110087409A (en) * | 2019-04-03 | 2019-08-02 | Oppo广东移动通信有限公司 | A kind of method for treating surface of base, shell, camera module and electronic equipment |
-
2021
- 2021-02-03 CN CN202110150122.9A patent/CN112940504A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005163107A (en) * | 2003-12-02 | 2005-06-23 | C Uyemura & Co Ltd | Method of forming black nickel film, and electroless nickel-phosphorus plating bath |
| CN101054697A (en) * | 2007-02-12 | 2007-10-17 | 伟业重工(安徽)有限公司 | Plating black nickel and plating technique thereof |
| CN101768358A (en) * | 2008-12-31 | 2010-07-07 | 深圳市科聚新材料有限公司 | PPS (polyphenylene sulfite)/LCP (liquid crystal polymer) composite material and preparation method thereof |
| KR20110029602A (en) * | 2009-09-16 | 2011-03-23 | 주식회사 신진테크 | Preparation method of polyphenylenesulfide shaped body with plating layer and the shaped body |
| CN102785428A (en) * | 2012-08-02 | 2012-11-21 | 镇江江科机电工程有限公司 | Wear resistant and self-lubricating PPS (polyphenylene sulfide)-metallic composite and preparation method thereof |
| CN104693800A (en) * | 2013-12-05 | 2015-06-10 | 上海杰事杰新材料(集团)股份有限公司 | Impact-resistant conductive PPS/LCP composite material and preparation method thereof |
| CN107400361A (en) * | 2017-08-25 | 2017-11-28 | 广东壹豪新材料科技股份有限公司 | A kind of LCP/PPS composites and preparation method thereof |
| CN107523056A (en) * | 2017-09-19 | 2017-12-29 | 江门市德众泰工程塑胶科技有限公司 | A kind of polyphenylene sulfide compound for environment-protection electroplating and preparation method thereof |
| CN110087409A (en) * | 2019-04-03 | 2019-08-02 | Oppo广东移动通信有限公司 | A kind of method for treating surface of base, shell, camera module and electronic equipment |
Non-Patent Citations (3)
| Title |
|---|
| 刘仁志: "《轻松掌握电镀技术》", 28 February 2014, 金盾出版社 * |
| 杨武成 等: "《特种与精密加工》", 31 August 2018, 西安电子科技大学出版社 * |
| 闫承花: "《化学纤维生产工艺学》", 31 January 2018, 东华大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6110595B2 (en) | Manufacturing method of polarizing plastic lens for spectacles | |
| EP2666620B1 (en) | Plastics optical component and method for manufacturing the same | |
| JPH0218012A (en) | Contact lens and manufacture thereof | |
| US7227703B2 (en) | Aspheric lens and method for making same | |
| EP0644467A1 (en) | Manufacturing method of organic sensitive body and cylindrical supporting body for electrophotography | |
| MX2014005364A (en) | Polarizing lens and method for producing same. | |
| US20210370553A1 (en) | Production method for spectacle lens molding mold and production method for spectacle lens | |
| CN112109350A (en) | Plastic shell and preparation method thereof | |
| CN111629876A (en) | Method for manufacturing spectacle lens molding die and method for manufacturing spectacle lens | |
| CN112940504A (en) | Method for reducing refractive index of optical channel material of camera | |
| CN101441283A (en) | Plastic rubber glasses lens and manufacturing method thereof | |
| WO2019086040A1 (en) | Housing and manufacturing method thereof, and electronic apparatus | |
| TW200535447A (en) | A multilayer lens and a method of producing it | |
| CN105860401A (en) | Wear-resistant resin spectacle lens and preparation technology thereof | |
| KR101141969B1 (en) | Mold for lens, method for manufacturing the same and lens using the mold for lens | |
| JP5864873B2 (en) | Plastic molding product molding method, plastic molding system, optical element by plastic molding system | |
| CN112040681A (en) | Shell machining method, shell and electronic equipment | |
| JP2014142440A (en) | Method of manufacturing polarizing lens | |
| CN1196582C (en) | Method for producing contact lenses by procision exposure of oxygen quantity | |
| WO2008153336A2 (en) | Case for electronic apparatus and method of manufacturing case for electronic apparatus | |
| CN108437342B (en) | Method for manufacturing rear cover of mobile phone and rear cover of mobile phone | |
| US20200290298A1 (en) | Method for manufacturing sunglass lenses, and sunglass lens | |
| JP2009202561A (en) | Precursor for press working, and method of manufacturing the same | |
| JPH08300501A (en) | Manufacture of plastic lens | |
| KR102175134B1 (en) | Divided injection molding method and device for the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |
|
| RJ01 | Rejection of invention patent application after publication |