CN106048681A - Electronic part, manufacturing method of electronic part and mobile terminal - Google Patents
Electronic part, manufacturing method of electronic part and mobile terminal Download PDFInfo
- Publication number
- CN106048681A CN106048681A CN201610560906.8A CN201610560906A CN106048681A CN 106048681 A CN106048681 A CN 106048681A CN 201610560906 A CN201610560906 A CN 201610560906A CN 106048681 A CN106048681 A CN 106048681A
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- Prior art keywords
- layer
- nickel
- coating
- plastic body
- electronic component
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
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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
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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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
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
- H04M1/236—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof including keys on side or rear faces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Signal Processing (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The embodiment of the invention discloses an electronic part, a manufacturing method of the electronic part and a mobile terminal. The electronic part comprises a plastic body, wherein the surface of the plastic body comprises a nickel-plated layer which at least comprises a semi-bright nickel layer and a bright nickel layer; a silver-plated layer is arranged on the surface of the bright nickel layer; a finishing coat layer is arranged on the surface of the silver-plated layer. According to the electronic part, the problems that the metallic glossiness on the surface of the conventional plastic part is poor, and the color is fixed and is hard to adjust are solved; the appearance effect of the conventional plastic part subjected to surface treatment is greatly enhanced; therefore, the effect of enriching the appearance color of the plastic part is achieved.
Description
Technical field
The present embodiments relate to electronics techniques, particularly relate to the manufacture method of a kind of electronic component, electronic component
And mobile terminal.
Background technology
Along with the development of electronics field technology, consumer the most increasingly closes while focusing on the operating experience of product
The outward appearance of note product.
At present, the side switch of mobile terminal is typically using plastics or silica gel as main body.In order to reach the effect of good looking appearance,
Generally require offside key surface to be processed, to obtain the effect of the surface metal gloss being actually needed.Conventional Surface Machining
Technique includes the plating of high light, dumb light plating, the plating of Margarita chromium, electroplating gun color and erosion stricture of vagina/texture plating etc..Can also is that at product
Surface gold-plating, owing to the hardness of gold is the highest, easily forms cut, often forms layer of transparent UV on the surface of Gold plated Layer and protect on surface
Sheath, to improve the wearability of product surface.By above-mentioned processing technique, directly utilize metal color characteristic and make plastic cement side switch have
There is metallic luster.But, due to the color that this metallic luster is side switch surface institute plating, color compares solidification, it is not easy to adjust
Color.
During inventor realizes the present invention, find that the anode oxidation process of aluminum alloy surface can make part have
Color effect.But, this technical process needs bath voltage drastically to raise, and reaches 20V-50V, the highest.But, for
Material is the part of plastic cement, and these process conditions are irrealizable, therefore, limits plasthetics and uses anode oxidation process to enter
Row surface processes, to make the operation of shades of colour on plasthetics surface.
Summary of the invention
The present invention provides a kind of electronic component, the manufacture method of electronic component and mobile terminal, to realize at plastic cement part
Surface make the various color wanted, enrich the appearance colour effect of plastic cement part.
First aspect, embodiments provides a kind of electronic component, including: plastic body；
The surface of described plastic body includes that nickel coating, described nickel coating at least include semi-bright nickel layer and bright nickel layer；
It is provided with silver coating on described bright nickel layer surface；Described silver coating surface is provided with top coat layer.
Second aspect, the embodiment of the present invention additionally provides the manufacture method of a kind of electronic component, including:
Use prefabricated mould processing plastic raw material, obtain the plastic body of part；
Use the first electrolyte comprising nickel salt, the surface of described plastic body carried out electroplating processes, forms nickel coating,
Wherein, described nickel coating at least includes semi-bright nickel layer and bright nickel layer；
Use the second electrolyte comprising silver salt, the surface of the described plastic body after Nickel Plating Treatment is carried out at plating
Reason, forms silver coating；
At the surface spraying finish paint of described silver coating, form top coat layer.
The third aspect, the embodiment of the present invention additionally provides a kind of mobile terminal, and it is integrated such as above-mentioned first that this states mobile terminal
Electronic component described in aspect.
The embodiment of the present invention, by the most silver-plated after nickel plating on plastic body, improves the whiteness of coating surface, it is simple to
By the way of spray paint, make the color wanted at coating surface, reached to make plastic body surface present and be similar to aluminum conjunction
The effect of gold anode oxidation, the metal luster solving current plastic cement piece surface is the best, and color solidification, is difficult to mix colours
Problem, greatly improve the tradition appearance that presents after surface treatment of plastic cement part, reached abundant plastic cement part
The effect of appearance colour.
Accompanying drawing explanation
Fig. 1 is the flow chart of the manufacture method of a kind of electronic component of the embodiment of the present invention；
Fig. 2 is the flow chart of an example of the manufacture method of the electronic component in the embodiment of the present invention one；
Fig. 3 is the structural representation of the electronic component in the embodiment of the present invention two；
Fig. 4 is the structural representation of an example of the electronic component in the embodiment of the present invention two.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention is illustrate only rather than entire infrastructure in description, accompanying drawing.
Embodiment one
The flow chart of the manufacture method of a kind of electronic component that Fig. 1 provides for the embodiment of the present invention one.As it is shown in figure 1, this
Embodiment is applicable to the situation that the surface of the accessory to electric terminal processes, and specifically includes following steps:
Step 110, use prefabricated mould processing plastic raw material, obtain the plastic body of part.
Wherein, mould is the size and dimension according to electronic component, the instrument being pre-designed.Exemplary, in order to obtain
The side switch of mobile terminal, can design mould previously according to the shape and size of this side switch.The course of processing of mould is permissible
It is to use electroformed mould technique, using the copper piece the most identical with size with the shape of this side switch as grand master pattern.By drawing process,
Blasting craft or etch process form texture on grand master pattern.Using grand master pattern as negative electrode, with nickel alloy as anode, together put into
In the nickel salt solution that anode material is identical, pass to unidirectional current.Under electrolysis, master surface gradually formation of deposits nickel alloy electricity
Coating, after reaching to set thickness, separates nickel alloy electricity coating with grand master pattern, thus, obtain processing the mould needed for side switch.Its
In, mold cavity is identical with the shape and size of side switch to be processed.
Use Shooting Technique, utilize the mould processing plastic raw material obtained by the way, obtain moulding of electronic component
Glue body.Wherein, plastic material can be the mixture of Merlon and acrylonitrile-butadiene-styrene copolymer, it is also possible to
It is acrylonitrile-butadiene-styrene (ABS) plastics.During processing mold, it is also possible to the surface of grand master pattern is processed, then leads to
The mode crossing electrolytic deposition obtains mold cavity.Exemplary, it is similar to aluminum alloy surface sandblasting to make, and surrounding is
The effect of CNC Gao Guang.Can be by making surface sand-blasting on grand master pattern in the way of employing, the effect of surrounding Gao Guang, then pass through
Electrolytic deposition obtains mold cavity.
Step 120, employing comprise the first electrolyte of nickel salt, and the surface of described plastic body is carried out electroplating processes, shape
Become nickel coating.
Wherein, the effect of nickel coating is that protection plastic body is difficult to be corroded.Nickel coating at least include semi-bright nickel layer and
Bright nickel layer.By the potential difference between different nickel dams, improve the corrosion resistance of coating.
Described plastic body is soaked in the first electrolyte, uses DC current at the plated surface of described plastic body
Nickel.Wherein, the first electrolyte can be nickel sulfate, Nickel dichloride. and boron aqueous acid, and wherein, the concentration of described nickel sulfate is
250-300g/L, the concentration of described Nickel dichloride. is 50-60g/L, and the concentration of described boric acid is 50-60g/L, semi-bright nickel additive
Concentration be 0.5-2g/L, the electrolytic deposition time is the 250-600 second, and the temperature of the first electrolyte is 50-60 DEG C, the electricity of electrolysis bath
Pressure is 3V-7V.
Step 130, employing comprise the second electrolyte of silver salt, carry out the surface of the described plastic body after Nickel Plating Treatment
Electroplating processes, forms silver coating.
Wherein, the purpose forming one layer of silver coating on the surface of nickel coating is the surface color in order to improve coating, improves
Coating surface whiteness so that it is the color that surface presents is closer to aluminium alloy texture.
Plastic body after Nickel Plating Treatment is soaked in the second electrolyte, uses DC current at its electroplate.Its
In, the second electrolyte can be the aqueous solution of potassium cyanide and silver chloride, and potassium cyanide is free state, and its concentration is 50-65g/L, chlorine
The concentration changing silver is 30-40g/L, under room temperature environment, uses dipulse system on the surface of the nickel coating of described plastic body
Silver-plated, electroplating time is 5 seconds-35 seconds, and electric current density is 0.02-0.8A/dm2.To form one layer of coating on the surface of nickel coating
Fine and close, light, porosity is low, fineness good, covering power is strong and erosion-resisting silver coating.
Step 140, at the surface spraying finish paint of described silver coating, form top coat layer.
Wherein, finish paint includes colored paint, the ultraviolet-cured paint (UV paint) comprising color essence or the ultraviolet light polymerization comprising mill base
Paint UV paint, the basis color such as including redness, green, blueness, and joined, by various bases tone, the matched color etc. obtained.
At the surface spraying finish paint of described silver coating, form top coat layer, make the outward appearance of electronic component not only have metal light
Pool, and have color effect, reaches the mesh of the surface effect of the electronic component reached close to aluminium alloy anode oxide technique
's.
Operation at the surface spraying finish paint of described silver coating may is that
1. at metal conditioner layer surface spraying colored paint, colored paint layer is formed；Subsequently, at the surface spraying transparent violet of colored paint layer
Outer photo-curing paint (UV paint).
2. color essence or mill base are mixed to form according to set proportion with transparent ultraviolet-cured paint (UV paint) and to mix paint；
Subsequently, described mixing paint is sprayed at the surface of metal conditioner layer.
After silver coating surface spraying finish paint, also include electronic component is carried out at baking process and photocuring successively
Reason.Wherein, baking temperature is 30-80 DEG C, and baking time is 5-15 minute.Photocuring processes and uses ultraviolet light to described electronics zero
The finish paint on part surface is irradiated.It can be 800-1200J/cm that ultraviolet lighting penetrates the energy of electronic component2, it is radiated at described electricity
Ultraviolet light on sub-piece surface is when being scanned, and linear velocity is 5 ms/min.
The technical scheme of the present embodiment, the most silver-plated after nickel plating on plastic body, improve the whiteness of coating surface, just
In making the color wanted by the way of spray paint at coating surface, reach to make plastic body surface present and be similar to aluminum
The effect of alloy anode oxidation, the metal luster solving current plastic cement piece surface is the best, and color solidification, is difficult to adjust
The problem of color, greatly improves the appearance that tradition plastic cement part presents after surface treatment, has reached abundant plastic cement zero
The effect of the appearance colour of part.
On the basis of technique scheme, the manufacture method of this electronic component preferably can also electroplate one before nickel plating
Layer copper, to improve adhesion and the ductility of electrodeposited film of nickel coating and plastic body.
On the basis of technique scheme, the manufacture method of this electronic component can also form one on the surface of silver coating
Layer protective layer, this protective layer at least includes the one in oxide-film, organic membrane, passivating film, it is to avoid silver aoxidizes in atmosphere, causes
Silver coating surface whiteness declines.
On the basis of technique scheme, the manufacture method of this electronic component can also be between protective layer and top coat layer
Spray metal conditioner, to form the metal conditioner layer of one layer of 1-2 micron so that it is surface is easier to attachment on the surface of protective layer
Finish paint.
Fig. 2 shows the flow chart of an example of the manufacture method of the electronic component in embodiment one.As in figure 2 it is shown,
The manufacture method of electronic component specifically includes following steps:
Step 210, use prefabricated mould processing plastic raw material, obtain the plastic body of part.
Step 220, described plastic body is put in the 3rd electrolyte comprising Copper pyrophosphate., at described plastic body
Surface forms copper plate.
Wherein, the 3rd electrolyte is the aqueous solution of Copper pyrophosphate., potassium pyrophosphate, ammonia and sodium potassium tartrate tetrahydrate.Wherein, burnt
The concentration of cupric phosphate is 60-70g/L, and the concentration of potassium pyrophosphate is 280-320g/L, and the concentration of ammonia is 2-3ml/L, tartaric acid
The concentration of potassium sodium is 5-20g/L.The temperature of the 3rd electrolyte is 40-50 DEG C, and electroplating time is 2-8 minute, and electric current density is
0.5-1A/dm2。
Described plastic body is put in the 3rd electrolyte, following chemical reaction occurs:
[Cu(P2O7)2]6-+2e→Cu+2P2O7 4-, and, 2H++2e→H2, to deposit one layer on the surface of plastic body
Copper, forms copper plate, and its thickness is 1-2 micron, reaches to improve the adhesion between nickel coating and plastic body and ductility of electrodeposited film
Effect.
Step 230, employing comprise the first electrolyte of nickel salt, and the surface of described plastic body is carried out electroplating processes, shape
Become nickel coating.
After copper coating to described plastic body, electronic component is put in the first electrolyte, use DC current to exist
The electroplating nickel on surface of copper plate, forms nickel coating, and its thickness is 4-10 micron, reaches to improve the anticorrosive energy in surface of electronic component
The effect of power.
Step 240, employing comprise the second electrolyte of silver salt, carry out the surface of the described plastic body after Nickel Plating Treatment
Electroplating processes, forms silver coating.
After plating nickel on surface to described copper plate, electronic component is put in the second electrolyte, use double-pulse plating side
Formula, at one layer of silver of electroplating surface of the nickel coating of described plastic body, forms silver coating, and its thickness is 0.1-1 micron, makes up plating
Nickel dam color the darkest partially yellow defect, improves the whiteness of electronic component overlay coating, make the appearance colour of electronic component closer to
The texture of aluminium alloy.
Step 250, the surface of described silver coating formed protective layer.
Wherein, at least one during described protective layer includes oxide-film, organic membrane, passivating film.Exemplary, by electrolysis
Protection, can form layer oxide film on the surface of silver coating.By organic protection, one layer can be formed on the surface of silver coating
Fine and close organic membrane.By Strong oxdiative thing passivation protection, one layer of passivating film can be formed on the surface of silver coating.
By forming protective layer on the surface of silver coating, it is to avoid silver aoxidizes in atmosphere, and affects the surface of electronic component
Perception.
Step 260, at the surface spraying metal conditioner of described protective layer, form metal conditioner layer.
Wherein, metal conditioner refers to carry out metal surface the general name of the chemical agent of various process.Table at protective layer
Face spray metal conditioner so that it is surface is easier to attachment finish paint, after spray paint, improve finish paint and metal conditioner layer it
Between adhesive force.
At the surface spraying layer of metal inorganic agent of protective layer, forming metal conditioner layer, its thickness is 1-2 micron.
Step 270, at the surface spraying finish paint of described metal conditioner layer, form top coat layer.
Use the operation surface spraying finish paint at metal conditioner layer of above-mentioned spray paint, form top coat layer, its thickness
For 20-25 micron, the outward appearance making the plastic electronic part after process is similar with the effect after aluminium alloy anode oxide, promotes plastic cement
The metal-like of piece surface and metal effect, make plastic cement part present colourful appearance.
Embodiment two
Fig. 3 is the structural representation of the electronic component in the embodiment of the present invention two.As it is shown on figure 3, electronic component 300 wraps
Include:
Plastic body 310, the surface of described plastic body 310 includes that nickel coating 320, described nickel coating 320 at least include
Semi-bright nickel layer and bright nickel layer；It is provided with silver coating 330 on described bright nickel layer surface；Described silver coating 330 surface is provided with face
Enamelled coating 340.
Nickel coating 320 covers the surface of whole plastic body 310, and the thickness of nickel coating 320 is 4 microns-8 microns.Nickel plating
Layer 320 can be to form semi-bright nickel layer on the surface of plastic body 310；Then, the surface at semi-bright nickel layer forms light
Nickel dam, at one layer of silver of whole electroplating surface of bright nickel layer, the thickness of silver coating 330 is 0.1 micron-1 micron.At silver coating
The whole surface of 330 forms top coat layer 340, and the thickness of top coat layer 340 is 20 microns-25 microns.
Fig. 4 shows the structural representation of an example of the electronic component in embodiment two.As shown in Figure 4, this example
In electronic component 400 include successively plastic body 410, copper plate 420, nickel coating 430, silver coating 440, protective layer 450, gold
Genus processes oxidant layer 460 and top coat layer 470.The structure of electronic component 400 and the knot of the electronic component 300 shown in Fig. 3 in this example
The difference of structure is: also include copper plate 420 between described plastic body 410 and described nickel coating 430.At plastic body 410
And increase by one layer of copper plate 420 between nickel coating 430, be favorably improved the adhesion between nickel coating 420 and plastic body 410
And ductility of electrodeposited film.It addition, also include protective layer 450 on the surface of silver coating 440, described protective layer 450 includes oxidation film layer, has
The combination of one or more in machine film layer, passivation film.Form protective layer 450 to be advantageous in that on the surface of silver coating 440
Avoid silver to aoxidize in atmosphere, and affect the surface perception of electronic component.It addition, described protective layer 450 and top coat layer 470 it
Between also include that metal conditioner layer 460, the thickness of described metal conditioner layer 460 are 1 micron～2 microns.Protective layer 450 with
Increase layer of metal between top coat layer 470 and process oxidant layer 460, be favorably improved finish paint adhesive force.
Exemplary, this electronic component can be the parts such as the side switch of mobile terminal, button or mobile phone shell.
The electronic component of the present embodiment is prepared by the manufacture method of the electronic component that the embodiment of the present invention one is provided, tool
Effect after having electronic component surface described in embodiment one to process, improves what tradition plastic cement part presented after surface treatment
Appearance, the electronic component making plastic cement material make presents colourful appearance.
Embodiment three
Present embodiments providing a kind of mobile terminal, this mobile terminal includes the electronics zero as described in above-described embodiment
Part, and for the parts supporting described mobile terminal normally to work.Exemplary, the mobile terminal in the present embodiment specifically may be used
Think the terminals, preferably smart mobile phone such as mobile phone, panel computer and digital reader.Mobile terminal is integrated with employing embodiment
Electronic component prepared by the manufacture method of one electronic component provided, enriches the outward appearance color that mobile terminal can represent
Color.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is carried out
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. an electronic component, it is characterised in that including: plastic body；
The surface of described plastic body includes that nickel coating, described nickel coating at least include semi-bright nickel layer and bright nickel layer；Institute
State bright nickel layer surface and be provided with silver coating；Described silver coating surface is provided with top coat layer.
Electronic component the most according to claim 1, it is characterised in that also include between described silver coating and described top coat layer
Metal conditioner layer, the thickness of described metal conditioner layer is 1 micron～2 microns.
Electronic component the most according to claim 2, it is characterised in that between described silver coating and described metal conditioner layer
Also include that protective layer, described protective layer include the combination of one or more in oxidation film layer, organic film, passivation film.
Electronic component the most according to claim 1, it is characterised in that the thickness of described silver coating is 0.1 micron～1 micro-
Rice.
Electronic component the most according to claim 1, it is characterised in that also wrap between described plastic body and described nickel coating
Including copper plate, the thickness of described copper plate is 1 micron～2 microns.
6. the manufacture method of an electronic component, it is characterised in that including:
Use prefabricated mould processing plastic raw material, obtain the plastic body of part；
Use the first electrolyte comprising nickel salt, the surface of described plastic body is carried out electroplating processes, forms nickel coating, its
In, described nickel coating at least includes semi-bright nickel layer and bright nickel layer；
Use the second electrolyte comprising silver salt, the surface of the described plastic body after Nickel Plating Treatment is carried out electroplating processes, shape
Become silver coating；
At the surface spraying finish paint of described silver coating, form top coat layer.
Method the most according to claim 6, it is characterised in that using the first electrolyte comprising nickel salt, moulding described
Before the surface of glue body carries out electroplating processes, also include:
Described plastic body is put in the 3rd electrolyte comprising Copper pyrophosphate., forms copper facing on the surface of described plastic body
Layer.
Method the most according to claim 6, it is characterised in that before the surface spraying finish paint of described silver coating, also wrap
Include:
At the surface spraying metal conditioner of described silver coating, form metal conditioner layer.
Method the most according to claim 8, it is characterised in that described silver coating surface spraying metal conditioner it
Before, also include:
One in the surface of described silver coating at least forms oxide-film, organic membrane, passivating film.
Method the most according to claim 6, it is characterised in that use the first electrolyte comprising nickel salt, to described plastic cement
The surface of body carries out the process conditions of electroplating processes and includes:
The electrolytic deposition time is 250 seconds～600 seconds, and the temperature of the first electrolyte is 50 DEG C～60 DEG C, and the voltage of electrolysis bath is 3V
～7V.
11. methods according to claim 6, it is characterised in that use the second electrolyte comprising silver salt, to Nickel Plating Treatment
After the surface of described plastic body carry out the process conditions of electroplating processes and include:
Described second electrolyte includes potassium cyanide and silver chloride, uses dipulse system at the table of the nickel coating of described plastic body
Face is silver-plated, and electroplating time is 5 seconds～35 seconds, and electric current density is 0.02A/dm2～0.8A/dm2。
12. 1 kinds of mobile terminals, it is characterised in that the integrated electronics zero as described in Claims 1 to 5 is arbitrary of described mobile terminal
Part.
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| CN201610560906.8A CN106048681A (en) | 2016-07-14 | 2016-07-14 | Electronic part, manufacturing method of electronic part and mobile terminal |
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| CN201610560906.8A CN106048681A (en) | 2016-07-14 | 2016-07-14 | Electronic part, manufacturing method of electronic part and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107313091A (en) * | 2017-05-24 | 2017-11-03 | 东莞市再电子科技有限公司 | A kind of plastic material Surface Machining electroplating technology |
| CN108683762A (en) * | 2018-05-22 | 2018-10-19 | Oppo广东移动通信有限公司 | The processing method of case ring, functional unit, electronic device and case ring |
| CN111793811A (en) * | 2020-03-11 | 2020-10-20 | 永光国际商品有限公司 | Method for decorating base material |
| CN114466534A (en) * | 2020-11-10 | 2022-05-10 | Oppo广东移动通信有限公司 | Shell of electronic equipment, preparation method of shell and electronic equipment |
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