CN108060448A - mobile terminal shell and preparation method thereof and mobile terminal - Google Patents
mobile terminal shell and preparation method thereof and mobile terminal Download PDFInfo
- Publication number
- CN108060448A CN108060448A CN201711185623.0A CN201711185623A CN108060448A CN 108060448 A CN108060448 A CN 108060448A CN 201711185623 A CN201711185623 A CN 201711185623A CN 108060448 A CN108060448 A CN 108060448A
- Authority
- CN
- China
- Prior art keywords
- film
- oxide
- plate
- anode
- metal
- 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
Classifications
-
- 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
- C25D11/12—Anodising more than once, e.g. in different baths
-
- 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
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- 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
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
-
- 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
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/243—Chemical after-treatment using organic dyestuffs
-
- 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
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
Abstract
The present invention, which provides mobile terminal shell and preparation method thereof and mobile terminal, this method, to be included：First anode oxidation processes are carried out to metal-back, to form first anode oxide-film at least a portion surface of the metal-back；The first anode oxide-film is patterned using non-obstructing technique, so as to metal-back described in expose portion；Second plate oxidation processes are carried out to the exposed metal-back, to form second plate oxide-film；Wherein, the first anode oxide-film is different with the color of the second plate oxide-film.Inventor has found, this method can quickly, simply prepare the mobile terminal shell that multiple color is presented in appearance, processing need not be covered, it is simple, convenient, cost is relatively low, and precision is high and achievable pattern, lines are more diversified, the esthetic requirement of user can be better met, improves user experience.
Description
Technical field
The present invention relates to technical field of mobile terminals, specifically, being related to mobile terminal shell and preparation method thereof and movement
Terminal.
Background technology
At present, metal shell, hits the appearance of color if necessary, and the method for generally use is hidden after aoxidizing
It covers, empty avoiding is carried out to part to be treated, then carries out strip, remove after empty avoiding partial oxide film that anode paints to be formed again
Double-colored color hitting effect.However, the above method, complex procedures and of high cost；Product need to be covered after anode first, then be done
Strip, removal do not cover position oxide-film, then re-start secondary anode；It finishes secondary anode to carry out moving back film afterwards, remove
Ink shielding layer；Masking requirement is higher, it is necessary to assure shielding layer zero defect, no hole, no crimping, accurate size, marginal edge
Boundary is clearly without bending etc., but low precision in practical operation, masking edge is present with zigzag defect, and it is higher to cover cost.
Thus, the related process of the metal shell prepared at present still has much room for improvement.
The content of the invention
It is contemplated that it solves at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose that a kind of precision is high, step is simple, at low cost or appearance preferably prepares mobile terminal shell
Method.
In one aspect of the invention, the present invention provides a kind of methods for preparing mobile terminal shell.According to the present invention
Embodiment, this method includes：First anode oxidation processes are carried out to metal-back, so as at least a portion of the metal-back
Surface forms first anode oxide-film；The first anode oxide-film is patterned using non-obstructing technique, to expose
The part metal-back；Second plate oxidation processes are carried out to the exposed metal-back, to form second plate oxide-film；
Wherein, the first anode oxide-film is different with the color of the second plate oxide-film.Inventor has found that this method can be fast
Speed, the simple mobile terminal shell for preparing appearance and multiple color being presented, need not cover processing, simple, convenient, cost
It is relatively low, and precision is high and achievable pattern, lines are more diversified, can better meet the esthetic requirement of user, improve and use
It experiences at family.
According to an embodiment of the invention, before the first anode oxidation processes are carried out, further include：To the metal-back
The step of carrying out oil removing.
According to an embodiment of the invention, the voltage of the first anode oxidation processes be 12V-18V, 9 DEG C -20 DEG C of temperature,
First oxidation electrolyte is selected from least one of sulfuric acid, phosphoric acid or oxalic acid, and acid concentration is in first oxidation electrolyte
150g/L—250g/L。
According to an embodiment of the invention, after the first anode oxidation processes are carried out, the first sealing pores are further included
The step of being handled with ash disposal.
According to an embodiment of the invention, after the sealing pores are carried out, the step of sealing of hole cures is further included.
According to an embodiment of the invention, the patterning is carried out by laser carving or lathe in machining.
According to an embodiment of the invention, before the second plate oxidation processes are carried out, further include：Described in exposed
Metal-back carries out the step of sandblasting and oil removal treatment.
According to an embodiment of the invention, the voltage of the second plate oxidation processes is 8V-14V, 9 DEG C -20 DEG C of temperature, the
Titanium dioxide electrolyte is selected from least one of sulfuric acid, phosphoric acid and oxalic acid, the acid concentration 150g/ of second oxidation electrolyte
L—250g/L。
According to an embodiment of the invention, the voltage of the second plate oxidation processes be 12V-18V, 9 DEG C -20 DEG C of temperature,
Second oxidation electrolyte is selected from least one of sulfuric acid, phosphoric acid and oxalic acid, the acid concentration 150g/ of second oxidation electrolyte
L—250g/L。
According to an embodiment of the invention, after the second plate oxidation processes are carried out, further include to the described first sun
The step of at least one of pole oxide-film and the second plate oxide-film are dyed.
According to an embodiment of the invention, after the dyeing is carried out, the step of further including the second sealing pores.
In another aspect of this invention, the present invention provides a kind of mobile terminal shells.According to an embodiment of the invention, should
Mobile terminal shell is prepared by foregoing method.Inventor has found that the mobile terminal shell can have a variety of
The diversified metal appearance of color, lines, pattern disclosure satisfy that the higher and higher esthetic requirement of user, and in preparation process not
Masking technique is needed, it is simple, convenient, and cost is relatively low.
In another aspect of the invention, the present invention provides a kind of mobile terminal shells.According to an embodiment of the invention, should
Mobile terminal shell includes：Metal-back；The first anode oxide-film and second plate oxide-film set with layer, the second plate
Oxide-film and the second plate oxide-film are arranged at least a portion surface of the metal-back, form predetermined pattern, and
The first anode oxide-film is different with the color of the second plate oxide-film.Inventor has found that the mobile terminal shell can
With multiple color, lines, the diversified metal appearance of pattern, disclosure satisfy that the higher and higher esthetic requirement of user, and make
Technique need not be covered during standby, simple, convenient, control accuracy is high, and cost is relatively low.
In still another aspect of the invention, the present invention provides a kind of mobile terminals.According to an embodiment of the invention, the movement
Terminal includes foregoing mobile terminal shell.It is various that multiple color, pattern, lines can be presented in the mobile terminal as a result,
The metal appearance of change, and prepare simply, conveniently, control accuracy is high, and cost is relatively low.
Description of the drawings
Fig. 1 is the flow diagram of the method for the preparation mobile terminal shell of one embodiment of the invention.
Fig. 2 is the structure diagram for the product that the step S100 of one embodiment of the invention is obtained.
Fig. 3 is the structure diagram for the product that the step S200 of one embodiment of the invention is obtained.
Fig. 4 is the structure diagram for the product that the step S300 of one embodiment of the invention is obtained.
Fig. 5 is the structure diagram of the mobile terminal of one embodiment of the invention.
Reference numeral：
10：Metal-back 20：First anode oxide-film 30：Second plate oxide-film 100：Mobile terminal
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art
It offers described technology or condition or is carried out according to product description.Reagents or instruments used without specified manufacturer,
For can be with conventional products that are commercially available.
In one aspect of the invention, the present invention provides a kind of methods for preparing mobile terminal shell.According to the present invention
Embodiment, with reference to Fig. 1, this method includes：
S100：First anode oxidation processes are carried out to metal-back 10, so as at least a portion table of the metal-back 10
Face forms first anode oxide-film 20, and the structure diagram of obtained product is referring to Fig. 2.
According to an embodiment of the invention, the specific material of metal-back, shape, size etc. are not particularly limited, and are to be applicable in
In the shell for preparing mobile terminal, those skilled in the art can flexibly select as needed.In some embodiments of the present invention
In, the material of metal-back can be aluminum or aluminum alloy, and shape can be the shape of any Conventional mobile terminals housing, and size also may be used
It is adjusted flexibly with the size according to actual product.
According to an embodiment of the invention, in order to obtain better anodized effect, first anode oxidation is being carried out
Before processing, further include：The step of oil removing is carried out to the metal-back.Thus, it is possible to remove the dust on metal-back surface, greasy dirt
Impurity are waited, is conducive to the progress of follow-up first anode oxidation processes and the quality of raising anode oxide film, reduces bad generation, carry
High yield and yield.According to an embodiment of the invention, specific oil removing mode is not particularly limited, if can effectively play compared with
Good goes deimpurity effect, such as includes but not limited to carry out oil removing etc. using degreasing powder.It is easy to operate as a result, it is former
Material, which derives from a wealth of sources, to be easy to get, and cost is relatively low, and cleaning effect is preferable.
According to an embodiment of the invention, be actually needed according to product, after oil removal treatment, first anode oxidation processes it
Before, optionally, alkali cleaning, pickling, chemical polishing can also be included, wherein, alkali cleaning can be by the oxide layer on metal-back surface
Removal, exposes pure metallic matrix, convenient for subsequent operation；Pickling can neutralize alkali wash water, while further remove metal
Shell surface it is dirty；Chemical polishing can improve the glossiness on metal-back surface, and then improve first anode oxidation film surface
Glossiness improves presentation quality.Specific alkali cleaning, pickling and chemically polishing method are not particularly limited, as long as meeting above-mentioned want
It asks, those skilled in the art can flexibly select as needed.
According to an embodiment of the invention, since the method for the present invention needs to do two-step anodization processing, so to first
The requirement of first anode properties of oxide-film that anodized obtains is higher, in some embodiments of the invention, described the
The voltage of one anodized is 12V-18V, and 9 DEG C -20 DEG C of temperature, the first oxidation electrolyte is selected from sulfuric acid, phosphoric acid or oxalic acid
At least one of, acid concentration is 150g/L -250g/L in first oxidation electrolyte.The first anode oxygen obtained as a result,
Change that film quality is higher, and performance is preferable, can effectively prevent from occurring quick-fried film, white point etc. during second plate oxidation processes bad；Simultaneously
The combination power between plastic-aluminum can be significantly improved, prevents occurring acid regurgitation phenomenon during second plate oxidation processes.It should be noted that
Above-mentioned parameter condition is inventor by the treatment conditions of best results largely investigated with obtained after verification experimental verification, if parameter
In condition no longer above range, treatment effect is relatively undesirable.
According to an embodiment of the invention, specific location of the first anode oxide-film on metal-back surface is not particularly limited,
Those skilled in the art can flexibly select as needed, for example, a part of surface of metal-back can only be covered, can also cover
The entire outer surface of metal-back.
According to an embodiment of the invention, after the first anode oxidation processes are carried out, further include to first anode oxygen
Change the step of film is dyed.Thus, it is possible to according to user demand, the appearance of different colours is formed, meeting the aesthetic of user will
It asks, improves user experience.According to an embodiment of the invention, specific colouring method is not particularly limited, as long as mesh can be realized
Appearance is marked, such as is included but not limited to using TAC dyestuffs.In some embodiments, carry out table tune is needed before dyeing, so that on
Color is more uniform, but is not required operation.
According to an embodiment of the invention, in order to enable the performance of first anode oxide-film more preferably, is carrying out first sun
After pole oxidation processes or dyeing, the first sealing pores are further included.Specific sealing pores mode is not particularly limited, ability
Domain personnel can flexibly select as needed, such as include but not limited to have nickel sealing of hole, without nickel sealing of hole or water seal, specifically,
Metal-back can be immersed in the solution containing hole sealing agent.Thus, it is possible to ensure coloring, the outer of first anode oxide-film is prevented
Sight degenerates, and improves wearability, corrosion resistance and the corrosion resistance of first anode oxide-film, significantly improves first anode oxide-film
Electrical insulating property, especially wet environment electrical insulating property, substantially improve the fade resistance energy of first anode oxide-film.
According to an embodiment of the invention, in order to further improve the performance of first anode oxidation film layer, the envelope is being carried out
After the processing of hole, the step of sealing of hole cures is further included.Specifically, high temperature hole sealing agent may be employed, and the sealing of hole time is appropriately extended,
Such as include but not limited to 50-60 minutes.Thus, it is possible to improve sealing of hole effect, directly ensure the color of first anode oxide-film, be
Realize that multiple color appearance lays the first stone.
According to an embodiment of the invention, after sealing pores are carried out, the step of can also including drying.It is beneficial to as a result,
Improve sealing of hole effect.The actual conditions of drying is not particularly limited, and those skilled in the art can flexibly select as needed.
According to an embodiment of the invention, after sealing pores are carried out, the step of ash disposal is handled can also be included.As a result,
The superficial layer being made of various metal compound particles of metal-back remained on surface can be removed, it is made to obtain bright the of cleaning
One anodic oxide coating, and can be to avoid the defects of generation flakes corrodes in subsequent handling.Specific process for deashing is included but not
It is limited to nitric acid ash disposal, fluoride ash disposal, chromic acid ash disposal, sulfuric acid-potassium permanganate ash disposal etc..
S200：The first anode oxide-film 20 is patterned using non-obstructing technique, so as to described in expose portion
Metal-back 10, the structure diagram of obtained product is referring to Fig. 3.
According to an embodiment of the invention, in this step, the patterning be by laser carving or lathe in machining into
Capable.Simply, conveniently, control accuracy is high, can realize diversified lines and pattern, and need not hide for procedure of processing as a result,
Technique is covered, operating condition requirement is milder, and cost is relatively low.
According to an embodiment of the invention, by laser carving to first anode oxide-film carry out it is patterned during, it is necessary to
The first anode oxide-film laser carving of corresponding site is cleaned out, concrete operations are to should be noted laser carving lines, heterochromatic point and finger
Print etc. is bad, strengthens the aluminium material surface protection after laser carving, to obtain more preferably appearance.
According to an embodiment of the invention, by lathe in machining (CNC) being patterned to first anode oxide-film
During, the first anode oxide-film CNC of corresponding site is cleaned out, CNC knife mark controls are should be noted in specific operation process
System and surface offset, to obtain better appearance.
S300：Second plate oxidation processes are carried out to the exposed metal-back 10, to form second plate oxide-film
30, wherein, the first anode oxide-film 20 is different with the color of the second plate oxide-film 30, the structure of obtained product
Schematic diagram can refer to Fig. 4.
According to an embodiment of the invention, in order to obtain better anodized effect, the second plate is being carried out
Before oxidation processes, further include：The step of sandblasting is carried out to the exposed metal-back.Specifically, ceramics may be employed in sandblasting
Sand, zircon sand and diamond dust etc., specific mesh number are not particularly limited, and those skilled in the art can flexibly select according to actual needs
It selects.As a result, by blasting treatment, the residual ash and granulated slag for patterning rear surface can be cleaned out, beneficial to the progress of subsequent step.
According to an embodiment of the invention, in order to obtain better anodized effect, after blasting treatment is carried out,
The step of further including oil removal treatment.Thus, it is possible to remove the impurity such as the dust on metal-back surface, greasy dirt, be conducive to follow-up first
The progress of anodized and the quality of raising anode oxide film reduce bad generation, improve yield and yield.According to this hair
Bright embodiment, specific oil removing mode are not particularly limited, and deimpurity effect is preferably gone i.e. as long as can effectively play
Can, such as include but not limited to carry out oil removing etc. using degreasing powder.The product surface that can effectively will be patterned into as a result, and
The dirty removing in gap occurs heterochromatic and easy to operate after preventing oxidation, and raw material sources are easy to get extensively, and cost is relatively low, cleaning
Effect is preferable.
According to an embodiment of the invention, be actually needed according to product, after oil removal treatment, second plate oxidation processes it
Before, optionally, alkali cleaning, pickling, chemical polishing can also be included, wherein, alkali cleaning can be by the oxide layer on metal-back surface
Removal, exposes pure metallic matrix, convenient for subsequent operation；Pickling can neutralize alkali wash water, while further remove metal
Shell surface it is dirty；Chemical polishing can improve the glossiness on metal-back surface, and then improve second plate oxidation film surface
Glossiness improves presentation quality.Specific alkali cleaning, pickling and chemically polishing method are not particularly limited, as long as meeting above-mentioned want
It asks, those skilled in the art can flexibly select as needed.
According to an embodiment of the invention, inventor has carried out careful investigation to the Parameter Conditions of second plate oxidation processes
And verification, obtain preferable second plate oxidation processes condition.
In some embodiments of the invention, the voltage of second plate oxidation processes is 8V-14V, 9 DEG C -20 DEG C of temperature, the
Titanium dioxide electrolyte is selected from least one of sulfuric acid, phosphoric acid and oxalic acid, the acid concentration 150g/ of second oxidation electrolyte
L—250g/L.Thus, it is possible to preferable second plate oxide-film is obtained, and first anode oxide-film is not under the conditions of this
Quick-fried film, white point, acid regurgitation etc. are bad, and the combination power between plastic-aluminum is stronger.And inventor has found, the condition is particularly suitable for place
The product that reason laser carving is patterned and obtained.
In other embodiments of the present invention, the voltage of second plate oxidation processes is 12V-18V, 9 DEG C -20 of temperature
DEG C, the second oxidation electrolyte is selected from least one of sulfuric acid, phosphoric acid and oxalic acid, the acid concentration of second oxidation electrolyte
150g/L—250g/L.Thus, it is possible to preferable second plate oxide-film is obtained, and first anode oxide-film will not under the conditions of this
Occur that quick-fried film, white point, acid regurgitation etc. are bad, the combination power between plastic-aluminum is stronger.And inventor has found, which is particularly suitable for using
In the product that processing numerically controlled lathe is patterned and obtained.
According to an embodiment of the invention, after the second plate oxidation processes are carried out, further include to second plate oxygen
Change the step of film is dyed.Thus, it is possible to according to user demand, the appearance of different colours is formed, meeting the aesthetic of user will
It asks, improves user experience.According to an embodiment of the invention, specific colouring method is not particularly limited, as long as mesh can be realized
Appearance is marked, such as is included but not limited to using TAC dyestuffs.In some embodiments, carry out table tune is needed before dyeing, so that on
Color is more uniform, but is not required operation.
According to an embodiment of the invention, after the dyeing is carried out, the step of further including the second sealing pores.Specifically
Sealing pores mode is not particularly limited, and those skilled in the art can flexibly select as needed, such as include but not limited to have nickel
Sealing of hole, without nickel sealing of hole or water seal, specifically, can will metal-back immerse the solution containing hole sealing agent in.Thus, it is possible to ensure face
Color effect prevents the appearance of second plate oxide-film from degenerating, and improves the wearability of second plate oxide-film, corrosion resistance and anti-invades
Erosion ability significantly improves the electrical insulating property of the electrical insulating property of second plate oxide-film, especially wet environment, substantially improves second
The fade resistance energy of anode oxide film.
Inventor has found that this method can quickly, simply prepare the mobile terminal shell that multiple color is presented in appearance, no
Masking is needed to handle, it is simple, convenient, cost is relatively low, and precision is high and achievable pattern, lines are more diversified, it can be with
The esthetic requirement of user is better met, improves user experience.
In another aspect of this invention, the present invention provides a kind of mobile terminal shells.According to an embodiment of the invention, should
Mobile terminal shell is prepared by foregoing method.Inventor has found that the mobile terminal shell can have a variety of
The diversified metal appearance of color, lines, pattern disclosure satisfy that the higher and higher esthetic requirement of user, and in preparation process not
Masking technique is needed, it is simple, convenient, and cost is relatively low.
In another aspect of the invention, the present invention provides a kind of mobile terminal shells.According to an embodiment of the invention, should
Mobile terminal shell includes：Metal-back；The first anode oxide-film and second plate oxide-film set with layer, the second plate
Oxide-film and the second plate oxide-film are arranged at least a portion surface of the metal-back, form predetermined pattern, and
The first anode oxide-film is different with the color of the second plate oxide-film.Inventor has found that the mobile terminal shell can
With multiple color, lines, the diversified metal appearance of pattern, disclosure satisfy that the higher and higher esthetic requirement of user, and make
Technique need not be covered during standby, simple, convenient, control accuracy is high, and cost is relatively low.
In still another aspect of the invention, the present invention provides a kind of mobile terminals.According to an embodiment of the invention, the movement
Terminal includes foregoing mobile terminal shell.It is various that multiple color, pattern, lines can be presented in the mobile terminal as a result,
The metal appearance of change, and prepare simply, conveniently, control accuracy is high, and cost is relatively low.
According to an embodiment of the invention, the specific species of the mobile terminal is not particularly limited, such as can be mobile phone, flat
Plate computer, game machine, wearable device etc., and it will be understood by those skilled in the art that except foregoing housing, the movement
Terminal possesses the necessary structure of Conventional mobile terminals and component, can be with by taking mobile phone (structure diagram can be found in Fig. 5) as an example
Including CPU, touch screen, display screen, fingerprint recognition module, sound processing system, camera module, necessary circuit structure etc.,
It no longer excessively repeats herein.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features contact directly or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward or is merely representative of fisrt feature level height less than second feature.
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 the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the different embodiments described in this specification or example and different embodiments or exemplary feature
It closes and combines.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (14)
- A kind of 1. method for preparing mobile terminal shell, which is characterized in that including：First anode oxidation processes are carried out to metal-back, to form the first anode at least a portion surface of the metal-back Oxide-film；The first anode oxide-film is patterned using non-obstructing technique, so as to metal-back described in expose portion；Second plate oxidation processes are carried out to the exposed metal-back, to form second plate oxide-film；Wherein, the first anode oxide-film is different with the color of the second plate oxide-film.
- 2. according to the method described in claim 1, it is characterized in that, before the first anode oxidation processes are carried out, also wrap It includes：The step of oil removing is carried out to the metal-back.
- 3. according to the method described in claim 1, it is characterized in that, the voltage of the first anode oxidation processes be 12V-18V, 9 DEG C -20 DEG C of temperature, the first oxidation electrolyte are selected from least one of sulfuric acid, phosphoric acid or oxalic acid, first oxidation electrolyte Middle acid concentration is 150g/L -250g/L.
- 4. according to the method described in claim 1, it is characterized in that, after the first anode oxidation processes are carried out, also wrap The step of including the first sealing pores and ash disposal processing.
- 5. according to the method described in claim 4, it is characterized in that, after the sealing pores are carried out, further include sealing of hole and consolidate The step of change.
- 6. according to the method described in claim 1, it is characterized in that, the patterning is by laser carving or lathe in machining It carries out.
- 7. according to the method described in claim 6, it is characterized in that, before the second plate oxidation processes are carried out, also wrap It includes：The step of sandblasting and oil removal treatment are carried out to the exposed metal-back.
- 8. according to the method described in claim 1, it is characterized in that, the voltage of the second plate oxidation processes be 8V-14V, 9 DEG C -20 DEG C of temperature, the second oxidation electrolyte are selected from least one of sulfuric acid, phosphoric acid and oxalic acid, second oxidation electrolyte Acid concentration 150g/L -250g/L.
- 9. according to the method described in claim 1, it is characterized in that, the voltage of the second plate oxidation processes be 12V-18V, 9 DEG C -20 DEG C of temperature, the second oxidation electrolyte are selected from least one of sulfuric acid, phosphoric acid and oxalic acid, second oxidation electrolyte Acid concentration 150g/L -250g/L.
- 10. according to the method described in claim 1, it is characterized in that, after the second plate oxidation processes are carried out, also wrap Include the step of being dyed at least one of the first anode oxide-film and the second plate oxide-film.
- 11. according to the method described in claim 10, it is characterized in that, after the dyeing is carried out, the second sealing of hole is further included The step of processing.
- 12. a kind of mobile terminal shell, which is characterized in that prepared by the method any one of claim 1-11 's.
- 13. a kind of mobile terminal shell, which is characterized in that including：Metal-back；The first anode oxide-film and second plate oxide-film, the second plate oxide-film and the second plate set with layer Oxide-film is arranged at least a portion surface of the metal-back, form predetermined pattern, and the first anode oxide-film and The color of the second plate oxide-film is different.
- 14. a kind of mobile terminal, which is characterized in that including the mobile terminal shell described in claim 12 or 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185623.0A CN108060448A (en) | 2017-11-23 | 2017-11-23 | mobile terminal shell and preparation method thereof and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185623.0A CN108060448A (en) | 2017-11-23 | 2017-11-23 | mobile terminal shell and preparation method thereof and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108060448A true CN108060448A (en) | 2018-05-22 |
Family
ID=62135733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711185623.0A Pending CN108060448A (en) | 2017-11-23 | 2017-11-23 | mobile terminal shell and preparation method thereof and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108060448A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754569A (en) * | 2018-06-28 | 2018-11-06 | 北京小米移动软件有限公司 | Workpiece surface processing method and terminal shell |
| CN109825797A (en) * | 2019-03-07 | 2019-05-31 | 苏州微创关节医疗科技有限公司 | The processing method and application of zircaloy |
| CN110528046A (en) * | 2019-09-24 | 2019-12-03 | RealMe重庆移动通信有限公司 | Forming method, metal shell and the electronic device of metal surface texture |
| CN110565142A (en) * | 2019-10-10 | 2019-12-13 | Oppo广东移动通信有限公司 | Aluminum alloy component and dyeing method thereof, middle frame, shell and electronic equipment |
| CN110983407A (en) * | 2019-12-19 | 2020-04-10 | 佛山科学技术学院 | Preparation method for in-situ patterning of colorful composite oxide film on surface of aluminum alloy |
| CN112575361A (en) * | 2019-09-30 | 2021-03-30 | S-连接株式会社 | Double plating method for aluminum alloy |
| CN112746301A (en) * | 2019-10-31 | 2021-05-04 | 华为技术有限公司 | Manufacturing method of shell of electronic equipment, shell and electronic equipment |
| CN113981504A (en) * | 2021-06-23 | 2022-01-28 | 中南机诚精密制品(深圳)有限公司 | Micro-arc oxidation patterning process method for ceramic alloy film layer and micro-arc oxidation cargo |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140346049A1 (en) * | 2009-07-24 | 2014-11-27 | Apple Inc. | Dual anodized coating |
| CN104278309A (en) * | 2013-07-08 | 2015-01-14 | 深圳富泰宏精密工业有限公司 | Surface treatment method of aluminum and aluminum alloy and aluminum product |
| CN104428454A (en) * | 2012-06-22 | 2015-03-18 | 苹果公司 | White appearing anodized films and methods for forming the same |
| CN104562129A (en) * | 2013-10-17 | 2015-04-29 | 富鼎电子科技(嘉善)有限公司 | Metallic matrix surface processing method |
| CN105926017A (en) * | 2016-05-19 | 2016-09-07 | 深圳天珑无线科技有限公司 | Treatment method of aluminum alloy surface textures and aluminum alloy product thereof |
| CN106926627A (en) * | 2015-12-30 | 2017-07-07 | 比亚迪股份有限公司 | A kind of Al-alloy casing and preparation method thereof |
-
2017
- 2017-11-23 CN CN201711185623.0A patent/CN108060448A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140346049A1 (en) * | 2009-07-24 | 2014-11-27 | Apple Inc. | Dual anodized coating |
| CN104428454A (en) * | 2012-06-22 | 2015-03-18 | 苹果公司 | White appearing anodized films and methods for forming the same |
| CN104278309A (en) * | 2013-07-08 | 2015-01-14 | 深圳富泰宏精密工业有限公司 | Surface treatment method of aluminum and aluminum alloy and aluminum product |
| CN104562129A (en) * | 2013-10-17 | 2015-04-29 | 富鼎电子科技(嘉善)有限公司 | Metallic matrix surface processing method |
| TWI535895B (en) * | 2013-10-17 | 2016-06-01 | 鴻海精密工業股份有限公司 | Surface treating method for metal housing |
| CN106926627A (en) * | 2015-12-30 | 2017-07-07 | 比亚迪股份有限公司 | A kind of Al-alloy casing and preparation method thereof |
| CN105926017A (en) * | 2016-05-19 | 2016-09-07 | 深圳天珑无线科技有限公司 | Treatment method of aluminum alloy surface textures and aluminum alloy product thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘仁志: "《轻松掌握电镀技术》", 28 February 2014, 金盾出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108754569A (en) * | 2018-06-28 | 2018-11-06 | 北京小米移动软件有限公司 | Workpiece surface processing method and terminal shell |
| CN109825797A (en) * | 2019-03-07 | 2019-05-31 | 苏州微创关节医疗科技有限公司 | The processing method and application of zircaloy |
| CN110528046A (en) * | 2019-09-24 | 2019-12-03 | RealMe重庆移动通信有限公司 | Forming method, metal shell and the electronic device of metal surface texture |
| CN112575361A (en) * | 2019-09-30 | 2021-03-30 | S-连接株式会社 | Double plating method for aluminum alloy |
| CN110565142A (en) * | 2019-10-10 | 2019-12-13 | Oppo广东移动通信有限公司 | Aluminum alloy component and dyeing method thereof, middle frame, shell and electronic equipment |
| CN112746301A (en) * | 2019-10-31 | 2021-05-04 | 华为技术有限公司 | Manufacturing method of shell of electronic equipment, shell and electronic equipment |
| CN110983407A (en) * | 2019-12-19 | 2020-04-10 | 佛山科学技术学院 | Preparation method for in-situ patterning of colorful composite oxide film on surface of aluminum alloy |
| CN113981504A (en) * | 2021-06-23 | 2022-01-28 | 中南机诚精密制品(深圳)有限公司 | Micro-arc oxidation patterning process method for ceramic alloy film layer and micro-arc oxidation cargo |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108060448A (en) | mobile terminal shell and preparation method thereof and mobile terminal | |
| CN103255461B (en) | Form the treatment process of compound surface | |
| KR20190011484A (en) | Aluminium alloy sheet and manufacturing method thereof | |
| TWI535895B (en) | Surface treating method for metal housing | |
| CN106929851A (en) | A kind of Al-alloy casing and preparation method thereof | |
| US20130075262A1 (en) | Method of forming anodic titanium oxide layers having dual-color appearance and article having the same | |
| JP6083020B2 (en) | Surface treatment method of magnesium or magnesium alloy, acid detergent and chemical conversion treatment agent, and chemical conversion treatment structure of magnesium or magnesium alloy | |
| CN101302641A (en) | Method for preparing dark green ceramic membrane by magnesium alloy differential arc oxidation | |
| CN102953109A (en) | Bicolor anode titanium film forming method and product | |
| TW200413572A (en) | Magnesium product and magnesium alloy product having conductive anodic oxidation coatings thereon, and method for the production thereof | |
| DE3764989D1 (en) | ELECTROLYSIS CATHODE AND METHOD FOR PRODUCING SUCH A CATHODE. | |
| Abbott et al. | Electrolytic processing of superalloy aerospace castings using choline chloride-based ionic liquids | |
| CN103726093A (en) | Method of adopting environment-friendly nickel-containing electrolyte to prepare microarc oxidation film layer on surface of magnesium alloy | |
| CN108083854A (en) | Ceramic surface treatment method and ceramic member | |
| CN110528046A (en) | Forming method, metal shell and the electronic device of metal surface texture | |
| CN105849315B (en) | The base material of color development treatment and base material color development treatment method for it | |
| Schalm et al. | How effective are reducing plasma afterglows at atmospheric pressure in removing sulphide layers: Application on tarnished silver, sterling silver and copper | |
| CN106544711B (en) | Method for anodizing metallic workpieces incorporating dissimilar materials | |
| CN110129858A (en) | A kind of ionic liquid auxiliary magnesium lithium alloy anode oxidation film-forming method | |
| KR20110137107A (en) | Metal having a color layer and method for manufacturing the same | |
| CN110441119A (en) | The application of saturated oxalic acid solution, the electrolytic etching method of GH4169 alloy and microstructure observation's method | |
| Schneider et al. | Electrochemical machining | |
| Chang et al. | Electropolishing of Additive Manufactured 17-4 PH Stainless Steel Using Sulfuric Acid | |
| US3346469A (en) | Method of selectively coloring titanium bodies | |
| CN112496691A (en) | Metal shell surface treatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180522 |
|
| RJ01 | Rejection of invention patent application after publication |