CN110512254A - Shell of electronic equipment and preparation method thereof, electronic equipment - Google Patents
Shell of electronic equipment and preparation method thereof, electronic equipment Download PDFInfo
- Publication number
- CN110512254A CN110512254A CN201910870420.8A CN201910870420A CN110512254A CN 110512254 A CN110512254 A CN 110512254A CN 201910870420 A CN201910870420 A CN 201910870420A CN 110512254 A CN110512254 A CN 110512254A
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- Prior art keywords
- coating
- metal base
- shell
- oxide layer
- electronic equipment
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Classifications
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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/131—Wire arc spraying
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Signal Processing (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention proposes shells of electronic equipment and preparation method thereof, electronic equipment.The shell of the electronic equipment includes: metal base；Coating is arranged on a surface of metal base, and is formed of aluminum or aluminum alloy；Coating is arranged in far from the surface of metal base in first anode oxide layer.The shell of electronic equipment proposed by the invention, in the metallic substrate surface of the materials such as pack alloy, by the coating for forming one layer of aluminum or aluminum alloy, it can carry out conventional anodes oxidation processes, in this way, while can making shell that there is ceramic texture, appearance Yield lmproved and manufacturing cost is low.
Description
Technical field
The present invention relates to the shell manufacture technology fields of electronic equipment, specifically, the present invention relates to the shells of electronic equipment
And preparation method thereof, electronic equipment.
Background technique
The mobile phone center or shell of existing metal, frequently with materials such as wrought aluminium alloy, pack alloy, stainless steels,
Only the mobile phone shell of these metals all there are problems that wearing no resistance.It is easy since pack alloy contains more silicon and inside
There are stomatas, so appearance can not be realized by conventional anodic oxidation mode.
So metal shell at this stage realizes that the means of ceramic texture appearance still have much room for improvement.
Summary of the invention
One purpose of the embodiment of the present invention is the shell of proposition a kind of electronic equipment, by being formed on metal base
Coating and anodic oxide coating and produce shell method and application the shell electronic equipment, at least solve the prior art
Present in one of the above problem, realize metal housing surface have the appearance of ceramic texture and appearance Yield lmproved, at
This is lower.
In the embodiment of the present invention in a first aspect, proposing the shell of a kind of electronic equipment.
According to an embodiment of the invention, the shell of the electronic equipment includes: metal base；Coating, the coating setting
On a surface of the metal base, and be formed of aluminum or aluminum alloy；First anode oxide layer, the first anode oxidation
Layer is arranged on surface of the coating far from the metal base.
The shell of the electronic equipment of the embodiment of the present invention passes through shape in the metallic substrate surface of the materials such as pack alloy
At the coating of one layer of aluminum or aluminum alloy, conventional anodes oxidation processes can be carried out, in this way, can make shell that there is the same of ceramic texture
When, appearance Yield lmproved and manufacturing cost is low.
In the second aspect of the present invention, a kind of method of shell for making electronic equipment is proposed.
According to an embodiment of the invention, the described method includes: forming coating, and the painting on a surface of metal base
Layer is formed of aluminum or aluminum alloy；Anodized is carried out far from the surface of the metal base to the coating, to obtain the
One anodic oxide coating.
The method of the shell of the production electronic equipment of the embodiment of the present invention, first in the metal base of the materials such as pack alloy
Surface, electric arc spraying forms the coating of one layer of aluminum or aluminum alloy, then after carrying out conventional anodes oxidation processes, can get has pottery
The shell of porcelain sense and appearance Yield lmproved, also, the cost of manufacture of the production method is lower.
In the third aspect of the present invention, a kind of electronic equipment is proposed.
According to an embodiment of the invention, the electronic equipment includes: shell, the shell includes the Metal Substrate being stacked
Material, coating and first anode oxide layer, wherein the coating is formed of aluminum or aluminum alloy；Display device, the display device with
The shell is connected.
The electronic equipment of the embodiment of the present invention, shell have complex three-dimensional forms and ceramic appearance tactile impression, can make electronics
Cost of manufacture is lower while equipment has appearance power, to keep the market competitiveness of the electronic equipment higher.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the cross section structure schematic diagram of the shell of the electronic equipment of one embodiment of the invention；
Fig. 2 is the cross section structure schematic diagram of the shell of the electronic equipment of another embodiment of the present invention；
Fig. 3 is the cross section structure schematic diagram of the shell of the electronic equipment of another embodiment of the present invention；
Fig. 4 is the method flow schematic diagram of the shell of the production electronic equipment of one embodiment of the invention；
Fig. 5 is the method flow schematic diagram of the shell of the production electronic equipment of another embodiment of the present invention；
Fig. 6 is the appearance diagram of the electronic equipment of one embodiment of the invention.
Appended drawing reference
100 metal bases
110 grooves
200 coatings
300 first anode oxide layers
400 anti-fingerprint layers
500 second plate oxide layers
10 shells
20 display devices
1 electronic equipment
Specific embodiment
The embodiment of the present invention is described below in detail, those skilled in the art is it will be appreciated that following example is intended for solving
The present invention is released, and is not construed as limitation of the present invention.Unless stated otherwise, it is not expressly recited in embodiment below specific
Technology or conditions, those skilled in the art can be according to common technology or conditions in the art or according to product description
It carries out.
In the one aspect of the embodiment of the present invention, the shell of a kind of electronic equipment is proposed.
According to an embodiment of the invention, the shell of electronic equipment includes metal base 100, coating 200 and with reference to Fig. 1
One anodic oxide coating 300；Wherein, coating 200 is arranged on a surface of metal base 100, and coating 200 is closed by aluminium or aluminium
Gold is formed；And first anode oxide layer 300 is arranged on surface of the coating 200 far from metal base 100.
According to an embodiment of the invention, the material for forming metal base 100 may include that pack alloy and die casting magnesium close
Gold, in this way, the castable metal base 100 for producing complex three-dimensional (3D) shape, and the mechanical property of metal base 100 is higher.In
In some embodiments of the present invention, the material for forming metal base 100 can be pack alloy, specifically such as Al-Si alloy,
In this way, the metal base 100 that pack alloy is formed can preferably have both mechanical property and plasticity, so as to make shell entirety
Shock resistance is higher.
According to an embodiment of the invention, forming the specific type of the aluminium alloy of coating 200, those skilled in the art can basis
The specific type for forming 100 material of metal base is correspondingly selected.In some embodiments of the invention, coating is formed
In 200 aluminium alloy, the content of aluminium can be greater than 98.5w/w% and the content of silicon can be less than 1.5w/w%, in this way, passing through electricity
Arc sprays the coating 200 to be formed, and porosity is less than 10%, also, the silicone content of coating 200 is less, to make anodic oxidation
300 surface of first anode oxide layer formed after processing is bad less.
According to an embodiment of the invention, the material for forming first anode oxide layer 300 is to carry out sun to the material of coating 200
What pole oxidation processes obtained, in this way, relative to directly anodic oxygen is carried out on 100 surface of metal base of the materials such as pack alloy
Change processing carries out the first anode oxide layer 300 of anodized formation, pottery on the paint layer surface that aluminum or aluminum alloy is formed
Porcelain sense is more preferable and surface is bad less, to make the appearance power of shell with height, also, the aluminium oxide that anodic oxidation is formed
Also the wearability of shell can be made more preferable.In some embodiments of the invention, the thickness of first anode oxide layer 300 can be 10
~30 microns, in this way, while the first anode oxide layer 300 of above-mentioned thickness can make the surface abrasion resistance of shell more preferable, also not
The thickness that shell can be dramatically increased is conducive to the lightening design of the electronic equipment containing the shell.
In some embodiments of the invention, the overall thickness of coating 200 and first anode oxide layer 300 can for 50~
150 microns, in this way, forming one layer of coating 200 in 100 surface elder generation electric arc spraying of metal base, then sun is carried out to 200 surface of coating
Pole oxidation processes simultaneously form first anode oxide layer 300, to be suitable for shape using the aluminum or aluminum alloy material layer of above-mentioned overall thickness
At 10~30 microns of first anode oxide layer 300；If overall thickness, less than 50 microns, alloy-layer is too thin and leaves following process for
Surplus is very few, if overall thickness is greater than 150 microns, thickness is blocked up and can reduce production efficiency, and is also easy to accumulation stress, and shadow
Ring the surface mechanical properties for arriving shell.
According to an embodiment of the invention, shell may also include anti-fingerprint layer (AF) 400, and anti-fingerprint layer 400 can with reference to Fig. 2
Side of the first anode oxide layer 300 far from metal base 100 is arranged in, the material for forming anti-fingerprint layer 400 may include
Perfluoropolyether ester, and the thickness of anti-fingerprint layer 400 can be 5~20 nanometers.In this way, the anti-fingerprint layer 400 of above-mentioned thickness is added,
The contact angle of shell and water can be made to be greater than 105 °, to enable shell that there is excellent anti-finger printing, and then make the outer of the shell
It is more outstanding to see effect.
In other embodiments of the invention, with reference to Fig. 3, the material for forming metal base 100 can be titanium alloy, gold
Belong to substrate 100 and be additionally provided with groove 110, and coating 200 can be filled in the upper surface of 110 floating coat 200 of groove can be with gold
The upper surface for belonging to substrate 100 flushes, and, also, second plate oxide layer is additionally provided on a surface of metal base 100
500, and second plate oxide layer 500 is arranged with 300 same layer of first anode oxide layer.Exist in this way, first passing through electric arc spraying
The coating 200 formed in groove 110, then an anodized is carried out, first anode oxide layer 300 and can be formed simultaneously
Two anodic oxide coatings 500；Also, the first color of the first anode oxide layer 300 on 200 surface of coating, only by anodic oxidation
The influence of the dyeing liquor of reason by voltage without being influenced, and the second face of the second plate oxide layer 500 on 100 surface of metal base
Color, only with the voltage of anodized in relation to without being influenced by dyeing liquor, as long as thus by adjusting anodized
Voltage and select suitable dyeing liquor, only carrying out an anodized can be obtained double-colored appearance.
In conclusion according to an embodiment of the invention, the shell of a kind of electronic equipment is proposed, in materials such as pack alloys
The metallic substrate surface of material can carry out conventional anodes oxidation processes, in this way, can by forming the coating of one layer of aluminum or aluminum alloy
While making shell that there is ceramic texture, appearance Yield lmproved and manufacturing cost is low.
In the other side of the embodiment of the present invention, a kind of method of shell for making electronic equipment is proposed.According to this
The embodiment of invention, with reference to Fig. 4, production method includes:
S100: coating is formed on a surface of metal base.
In this step, coating 200 is formed on a surface of metal base 100, and coating 200 is by aluminum or aluminum alloy shape
At.In some specific examples of the invention, pack alloy or diecast magnesium alloy can be led in advance before step S100
Crossing die casting one-pass molding is complexity 3D outer dimension and internal structure, and processes shape radian by numerically controlled lathe (CNC), then
Blasting treatment is carried out to a surface of metal base 100, in this way, also can remove metal surface while roughening metal surface
Impurity and oxide, and expose fresh metal substrate.Specifically, corundum, silicon carbide may be selected in the sand material matter of blasting treatment
Diamond dust, zircon sand, 40~200 mesh may be selected in grit size, and 2~8Bar may be selected in blasting pressure, in this way, can make metal base
Binding force between 100 and coating 200 is stronger.
According to an embodiment of the invention, the method for forming coating 200 includes electric arc spraying, and inertia can be used in electric arc spraying
Gas shield, the specifically inert gas such as nitrogen, argon gas, helium, and gas purity > 99.9%, in this way, can prevent electric arc from spraying
It applies aluminium in treatment process to be oxidized, to can guarantee rate of oxygen < 1% of the coating 200 formed, and then guarantees subsequent anodic oxidation
The appearance uniformity of back casing.In addition, spraying can improve whole film thickness by way of repeatedly reciprocal spraying or workpiece rotation
Uniformity, prevent from causing coating internal stress excessive fastly very much in a position deposition velocity, reduce cracking risk.
In some embodiments of the invention, the voltage of electric arc spraying can be able to be 100 for 40~120V, electric current~
200A, spraying air pressure can be able to be 15~40cm for 6~15Bar, spray distance and spraying angle can be 60 °~90 °.Such as
This, if air pressure lower than easily lead to if 6Bar equipment can not starting the arc starting, easily lead to impact force if air pressure is higher than 15Bar
Greatly, it may cause workpiece deformation；Be inconvenient to process if spray distance is bordering on 15cm, deposit speed if distance is distal to 40cm
Degree is lower, and will cause the unstability that metal aoxidizes in air and increases；If the thickness that the angle of spraying less than 60 °, sprays out
Degree is not easy to control, and film layer porosity will become larger (porosity is greater than 10%), to influence whether the quality of film layer.
In some embodiments of the invention, it is formed in the aluminium alloy of coating 200, the content of aluminium can be greater than 98.5w/
The content of w% and silicon can be less than 1.5w/w%, in this way, the silicone content of the coating 200 formed is less, to be conducive to subsequent sun
300 surface of first anode oxide layer formed after the oxidation processes of pole is bad less.In some embodiments of the invention, coating
200 oxygen content can be less than 10v/v% less than 1%, porosity and thickness can be 50~150 microns, in this way, passing through
The above-mentioned coating 200 that electric arc spraying is formed, is conducive to 300 appearance of first anode oxide layer formed after subsequent anodized
Effect is more evenly consistent.
It, can be in advance in Metal Substrate for the metal base 100 that titanium alloy is formed in other embodiments of the invention
Groove 110 is formed on one surface of material, with reference to Fig. 5, step S100 can be the formation coating 200 in groove 110.In this way,
Before subsequent progress anodized, surface of shell is divided into the first area be formed of aluminum or aluminum alloy and by titanium alloy shape
At second area, so that the two regions can have two different color effects after anodic oxidation.
In some specific examples of the invention, further the surface of coating 200 can be carried out after step sloo
Polishing grinding processing, in this way, can get the mirror effect needed or atomized surface effect, also, the roughness Ra mirror-finished is most
It is small to can reach 0.02~0.1.
S200: anodized is carried out far from the surface of metal base to coating, to obtain first anode oxide layer.
In this step, anodized is carried out far from the surface of metal base 100 to coating 200, to obtain first
Anodic oxide coating 300.
According to an embodiment of the invention, anodized can by the workpiece after sanding and polishing, be placed in electrolyte in into
Row anodic oxidation, wherein electrolyte main component is aqueous sulfuric acid, and the concentration of sulfuric acid is 100~180g/L, electrolysis temperature choosing
Select 15~22 DEG C, electrolysis time is 30~60min and decomposition voltage selects 12~18V, in this way, can by 200 surface 10 of coating~
30 microns of thick aluminum or aluminum alloy are all oxidized to aluminium oxide, to form first anode oxide layer 300.In addition, can also be to first
Anodic oxide coating 300 carries out dyeing and the processing of sealing of hole, in this way, first anode oxide layer 300 can be made to have required apparent face
Color (specifically such as gold, pink colour, blue).
In other embodiments of the invention, for the metal base 100 that titanium alloy is formed, by step S100 recessed
Formed after coating 200 in slot 110, with reference to Fig. 5, step S200 can be surface to coating 200 far from metal base 100 and
The surface of metal base 100 can obtain 300 He of first anode oxide layer of same layer setting by an anodized simultaneously
Second plate oxide layer 500.Since the first color of aluminium oxide is only related with the dyeing liquor of anodized, without by voltage
Influence, and the second color of titanium oxide only it is related with the voltage of anodized, without being influenced by dyeing liquor, so, from
As long as and by adjusting the voltage of anodized and select suitable dyeing liquor, only carry out an anodized
Obtain the double-colored appearance of two different color effects.
In conclusion elder generation is pressing according to an embodiment of the invention, proposing a kind of method of shell for making electronic equipment
The surface of the metal base of the materials such as cast aluminium alloy, electric arc spraying form the coating of one layer of aluminum or aluminum alloy, then carry out conventional sun
After the oxidation processes of pole, the shell with ceramic texture and appearance Yield lmproved, also, the cost of manufacture of the production method can get
It is lower.
In the other side of the embodiment of the present invention, a kind of electronic equipment is proposed.
According to an embodiment of the invention, electronic equipment 1 includes shell 10 and display device 20, wherein shell with reference to Fig. 6
10 include metal base, coating and the first anode oxide layer being stacked, wherein coating is formed of aluminum or aluminum alloy, and shows
Showing device 20 is connected with shell 10.
According to an embodiment of the invention, the concrete type of the electronic equipment is not particularly limited, specific such as mobile phone, flat
Plate computer, smartwatch etc., those skilled in the art can correspondingly be selected according to the particular use of the electronic equipment, herein
It repeats no more.It should be noted that the electronic equipment is other than including above-mentioned shell and display device, it further include that other must
The component and structure wanted, take the mobile phone as an example, specifically such as processor, memory, battery, circuit board, camera, etc., ability
Field technique personnel correspondingly can be designed and be supplemented according to the specific type of the electronic equipment, and details are not described herein.
In conclusion shell has complex three-dimensional forms according to an embodiment of the invention, proposing a kind of electronic equipment
With ceramic appearance tactile impression, cost of manufacture is lower while electronic equipment can be made to have appearance power, to make the electronic equipment
The market competitiveness it is higher.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (14)
1. the shell of a kind of electronic equipment characterized by comprising
Metal base；
Coating, the coating is arranged on a surface of the metal base, and is formed of aluminum or aluminum alloy；
First anode oxide layer, the first anode oxide layer are arranged on surface of the coating far from the metal base.
2. shell according to claim 1, which is characterized in that the material for forming the metal base includes pack alloy
And diecast magnesium alloy.
3. shell according to claim 1, which is characterized in that the content of aluminium is greater than 98.5w/w%, silicon in the aluminium alloy
Content be less than 1.5w/w%.
4. shell according to claim 1, which is characterized in that the material for forming the first anode oxide layer is to described
The material of coating carries out anodized acquisition.
5. shell according to claim 1, which is characterized in that orthographic projection and institute of the coating on the metal base
Orthographic projection of the first anode oxide layer on the metal base is stated to be completely coincident.
6. shell according to claim 1, which is characterized in that the first anode oxide layer it is micro- with a thickness of 10~30
Rice.
7. shell according to claim 5, which is characterized in that the material for forming the metal base is titanium alloy, described
Metal base setting is fluted, and the coating is filled in the groove, also, on a surface of the metal base also
It is provided with second plate oxide layer, the second plate oxide layer and the first anode oxide layer same layer are arranged.
8. a kind of method for the shell for making electronic equipment characterized by comprising
Coating is formed on a surface of metal base, and the coating is formed of aluminum or aluminum alloy；
Anodized is carried out far from the surface of the metal base to the coating, to obtain first anode oxide layer.
9. according to the method described in claim 8, it is characterized in that, the method for forming the coating includes electric arc spraying, and institute
Electric arc spraying is stated using inert gas shielding.
10. according to the method described in claim 9, it is characterized in that, the voltage of the electric arc spraying is 40~120V, electric current is
100~200A, spraying air pressure are 6~15Bar, spray distance is 15~40cm and spraying angle is 60 °~90 °.
11. according to the method described in claim 9, it is characterized in that, in the aluminium alloy aluminium content be greater than 98.5w/w%,
The content of silicon is less than 1.5w/w%.
12. according to the method described in claim 9, it is characterized in that, the oxygen content of the coating is less than less than 1%, porosity
10v/v% and with a thickness of 50~150 microns.
13. according to the method described in claim 8, it is characterized in that, the metal base is formed by titanium alloy and is provided with recessed
Slot forms coating in the groove；The surface on surface and the metal base to the coating far from the metal base
By an anodized, while obtaining the first anode oxide layer and second plate oxide layer of same layer setting.
14. a kind of electronic equipment characterized by comprising
Shell, the shell include the metal base being stacked, coating and first anode oxide layer, wherein the coating by
Aluminum or aluminum alloy is formed；
Display device, the display device are connected with the shell.
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| CN201910870420.8A CN110512254B (en) | 2019-09-16 | 2019-09-16 | Shell of electronic equipment, manufacturing method of shell and electronic equipment |
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| CN201910870420.8A CN110512254B (en) | 2019-09-16 | 2019-09-16 | Shell of electronic equipment, manufacturing method of shell and electronic equipment |
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| CN110512254B CN110512254B (en) | 2021-09-17 |
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Cited By (4)
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| CN111683485A (en) * | 2020-06-29 | 2020-09-18 | 联想(北京)有限公司 | Processing method and electronic equipment |
| WO2021118553A1 (en) * | 2019-12-11 | 2021-06-17 | Hewlett-Packard Development Company, L.P. | Process for producing coated metal alloy substrates |
| CN114375114A (en) * | 2020-10-15 | 2022-04-19 | 华为技术有限公司 | Aluminum-magnesium double alloy composite, terminal metal case, and method for manufacturing same |
| CN114980629A (en) * | 2021-02-19 | 2022-08-30 | 华为技术有限公司 | Shell, terminal equipment and preparation method of shell |
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