CN106086987B - The processing method of terminal aluminium shell - Google Patents
The processing method of terminal aluminium shell Download PDFInfo
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- CN106086987B CN106086987B CN201610383824.0A CN201610383824A CN106086987B CN 106086987 B CN106086987 B CN 106086987B CN 201610383824 A CN201610383824 A CN 201610383824A CN 106086987 B CN106086987 B CN 106086987B
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- terminal aluminium
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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
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
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- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Plasma Technology (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a kind of processing methods of terminal aluminium shell, and the processing method of the terminal aluminium shell includes step：Fixed pending terminal aluminium shell；Surface Treatment with Plasma is carried out to the surface of the terminal aluminium shell using plasma processing；Anodized is carried out to the terminal aluminium shell after Surface Treatment with Plasma.The present invention efficiently solves the problems, such as that terminal aluminium shell anode layer is caducous.
Description
Technical field
The present invention relates to shell manufacturing technology field more particularly to a kind of processing methods of terminal aluminium shell.
Background technology
With the development of science and technology, the application of the terminals such as smart mobile phone, PAD (tablet computer) is more and more extensive, user is to end
The requirement at end is also higher and higher, such as requires the shell of terminal lightly beautiful.It is easy to process since aluminium is light and handy, outside terminal
It is widely used in shell general.In order to realize beautiful effect, when being processed to terminal aluminium shell, it will usually carry out anode
Oxidation processes.But since the anode layer adhesive force of aluminium shell is limited, when carrying out the processing such as plane lapping, polishing later, with
And after the use of user, terminal aluminium shell usually has certain abrasion, the problem of anode layer falls off occurs.
Invention content
The main purpose of the present invention is to provide a kind of processing methods of terminal aluminium shell, it is intended to solve existing terminal aluminium
The caducous technical problem of material shell anode layer.
To achieve the above object, the present invention provides a kind of processing method of terminal aluminium shell, the terminal aluminium shell
Processing method include the following steps：
Fixed pending terminal aluminium shell；
Surface Treatment with Plasma is carried out to the surface of the terminal aluminium shell using plasma processing；
Anodized is carried out to the terminal aluminium shell after Surface Treatment with Plasma.
Preferably, the plasma processing includes the first plasma processing and the second plasma processing,
First plasma processing is configured with rotating sprinkler, and second plasma processing is sprayed configured with direct injection
Head；The surface of the terminal aluminium shell includes bottom surface and side；
The step for carrying out Surface Treatment with Plasma to the surface of the terminal aluminium shell using plasma processing
Suddenly include：
Rotation spray type plasma is carried out to the bottom surface of the terminal aluminium shell using first plasma processing
Surface treatment；
Direct injection plasma table is carried out to the side of the terminal aluminium shell using second plasma processing
Surface treatment.
Preferably, first plasma processing is controlled using the first input air pressure of 0.2-0.6Mpa to the end
The bottom surface of aluminium shell is held to carry out rotation spray type Surface Treatment with Plasma.
Preferably, rotation spray is being carried out to the bottom surface of the terminal aluminium shell using first plasma processing
When formula Surface Treatment with Plasma, the bottom surface of the rotating sprinkler of first plasma processing and the terminal aluminium shell
First distance be 10-15mm.
Preferably, the first diameter of the rotating sprinkler in first plasma processing is 50-150mm.
Preferably, second plasma processing is controlled using the second input air pressure of 0.2-0.6Mpa to the end
The side of aluminium shell is held to carry out direct injection Surface Treatment with Plasma.
Preferably, direct injection is being carried out to the side of the terminal aluminium shell using second plasma processing
When Surface Treatment with Plasma, the direct injection nozzle of second plasma processing and the side of the terminal aluminium shell
Second distance is 10-15mm.
Preferably, the second diameter of the direct injection nozzle in the second plasma processing is 2-30mm.
Preferably, the plasma processing is vacuum plasma processing equipment, described to use plasma processing
The step of carrying out Surface Treatment with Plasma to the surface of the terminal aluminium shell include：
Vacuum plasma is carried out to each surface of the terminal aluminium shell using the vacuum plasma processing equipment
Surface treatment.
Preferably, the when a length of 30-60min of vacuum plasma surface treatment.
The processing method of terminal aluminium shell proposed by the present invention, to terminal aluminium shell carry out anodized it
Before, Surface Treatment with Plasma first is carried out to the surface of terminal aluminium shell, improves the surface energy of terminal aluminium shell so that eventually
The anode layer Adhesion enhancement for holding aluminium shell effectively solves to reduce the risk that terminal aluminium shell anode layer falls off
The caducous problem of anode layer of terminal aluminium shell.
Description of the drawings
Fig. 1 is the flow diagram of the processing method first embodiment of terminal aluminium shell of the present invention；
Fig. 2 is the flow diagram of the processing method second embodiment of terminal aluminium shell of the present invention；
Fig. 3 is a kind of optional structural schematic diagram of plasma processing of the present invention and terminal aluminium shell.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of processing method of terminal aluminium shell.Wherein, terminal includes but not limited to mobile phone, notebook
Computer, PAD (tablet computer) etc. have chlamydate terminal device.Below to the place of terminal aluminium shell of the present invention by taking mobile phone as an example
Each embodiment of reason method is described in detail.
Referring to Fig.1, Fig. 1 is the flow diagram of the processing method first embodiment of terminal aluminium shell of the present invention.At this
In embodiment, the processing method of the terminal aluminium shell includes the following steps：
Step S10, fixed pending terminal aluminium shell；
It, first will be outside pending mobile phone aluminium when to be processed to mobile phone aluminium shell in the present embodiment
Shell is fixed.It is understood that there are many modes that mobile phone aluminium shell is fixed, for example, by hand
Machine aluminium shell is fixed on particular process platform, is not restricted to the fixed form of mobile phone aluminium shell in the present embodiment.
Step S20 carries out Surface Treatment with Plasma using plasma processing to the surface of the terminal aluminium shell；
After fixing mobile phone aluminium shell, anodized directly is not carried out to the surface of mobile phone aluminium shell, and
It is that Surface Treatment with Plasma is first carried out to the surface of mobile phone aluminium shell using plasma processing.At plasma surface
It manages and low-temperature plasma microetch and cleaning is carried out to the surface of mobile phone aluminium shell, wash some oxygen of mobile phone aluminium case surface
Compound, and the surface of mobile phone aluminium shell is slightly etched, to improve the surface energy of mobile phone aluminium shell, increase
The strong anode layer adhesive force of mobile phone aluminium shell.
Step S30 carries out anodized to the terminal aluminium shell after Surface Treatment with Plasma.
After carrying out Surface Treatment with Plasma to the surface of mobile phone aluminium shell, the anode layer adhesive force of mobile phone aluminium shell
It is enhanced, at this point, anodized is carried out to the terminal aluminium shell after Surface Treatment with Plasma again, in mobile phone aluminium
The surface of material shell forms anode layer oxidation film, to prevent the surface oxidation of mobile phone aluminium shell.And then to mobile phone aluminium
The processing such as shell dyed, plane lapping, polishing, carry out beautifying perfect operation to mobile phone aluminium shell.Due to enhancing hand
The anode layer adhesive force of machine aluminium shell when carrying out the processing such as plane lapping, polishing to mobile phone aluminium shell, and supplies later
When user's use, the risk that mobile phone aluminium shell anode layer falls off is reduced, terminal aluminium shell is efficiently solved
The caducous problem of anode layer.
Scheme provided in this embodiment, when being processed to mobile phone aluminium shell, first to mobile phone aluminium shell
Surface carries out Surface Treatment with Plasma, improves the surface energy of mobile phone aluminium shell so that the anode layer of mobile phone aluminium shell is attached
Put forth effort to enhance, anodized then is carried out to mobile phone aluminium shell again, due to enhancing the anode layer of mobile phone aluminium shell
Adhesive force efficiently solves the anode layer of terminal aluminium shell to reduce the risk that mobile phone aluminium shell anode layer falls off
Caducous problem improves the durability of mobile phone aluminium shell.
Further, as shown in Fig. 2, proposing the processing method second embodiment of terminal aluminium shell of the present invention.Terminal aluminium
Difference lies in terminal with the processing method first embodiment of terminal aluminium shell for the processing method second embodiment of material shell
In the processing method second embodiment of aluminium shell, the plasma processing includes the first plasma processing and second
Plasma processing, wherein the first plasma processing is configured with rotating sprinkler, the configuration of the second plasma processing
There is direct injection nozzle.The step S20 includes：
Step S21 carries out rotation spray using first plasma processing to the bottom surface of the terminal aluminium shell
Formula Surface Treatment with Plasma；
Step S22 carries out direct injection using second plasma processing to the side of the terminal aluminium shell
Surface Treatment with Plasma.
In the present embodiment, as shown in figure 3, plasma processing includes the first plasma configured with rotating sprinkler
Processing equipment 100 (such as rotary plasma gun), and the second plasma processing 200 configured with direct injection nozzle is (such as
Direct injection plasma gun), the surface of mobile phone aluminium shell 300 includes bottom surface and side.It is carried out to mobile phone aluminium shell 300
When Surface Treatment with Plasma, according to the physical characteristic of mobile phone aluminium shell 300, using 100 opponent of the first plasma processing
The bottom surface of machine aluminium shell 300 carries out rotation spray type Surface Treatment with Plasma, meanwhile, using the second plasma processing 200
Direct injection Surface Treatment with Plasma is carried out to the side of mobile phone aluminium shell 300.
Specifically, in the present embodiment, in the bottom surface using the first plasma processing 100 to mobile phone aluminium shell 300
When carrying out rotation spray type Surface Treatment with Plasma, the first input air pressure of the first plasma processing 100 is 0.2-0.6Mpa.
In order to reach good Surface Treatment with Plasma effect, in the first plasma processing 100 of use to mobile phone aluminium
Before the bottom surface of material shell 300 carries out rotation spray type Surface Treatment with Plasma, first the first plasma processing 100 is carried out pre-
Adjust operation.Since different input air pressures will produce different treatment effects, in order to reach ideal effect, plasma treatment
Equipment must use micro pressure to protect system, be obtained by experiment, and first when the first plasma processing 100 inputs gas
When pressure is 0.2-0.6Mpa, Surface Treatment with Plasma effect is preferable.Therefore, 100 opponent of the first plasma processing is being used
When the bottom surface of machine aluminium shell 300 carries out rotation spray type Surface Treatment with Plasma, the of the first plasma processing 100 is adjusted
One input air pressure is 0.2-0.6Mpa.
Meanwhile different treatment effects also will produce using different spray speed, for the treatment effect reached, using
Before first plasma processing 100 carries out rotation spray type Surface Treatment with Plasma to the bottom surface of mobile phone aluminium shell 300, adjust
Save the first spray speed of the first plasma processing 100.Be directed to the unlike material attribute of mobile phone aluminium shell 300, reach compared with
The spray speed of good treatment effect is different, therefore, be according to the material properties of mobile phone aluminium shell 300, to first in practical operation
First spray speed of plasma processing 100 is flexibly set.
Further, in this embodiment at the bottom using the first plasma processing 100 to mobile phone aluminium shell 300
When face carries out rotation spray type Surface Treatment with Plasma, outside the rotating sprinkler and mobile phone aluminium of the first plasma processing 100
First distance of the bottom surface of shell 300 is 10-15mm.
In addition to the influence of input air pressure and spray speed, the nozzle of plasma processing can also influence at a distance from shell etc. from
The effect of sublist surface treatment.It is obtained by experiment, when outside the rotating sprinkler and mobile phone aluminium of the first plasma processing 100
When first distance of the bottom surface of shell 300 is 10-15mm, Surface Treatment with Plasma effect is preferable.Therefore, the first plasma is being used
When processing equipment 100 carries out rotation spray type Surface Treatment with Plasma to the bottom surface of mobile phone aluminium shell 300, the first plasma is controlled
The rotating sprinkler of processing equipment 100 and the first distance of the bottom surface of mobile phone aluminium shell 300 are 10-15mm.
Further, in this embodiment at the bottom using the first plasma processing 100 to mobile phone aluminium shell 300
When face carries out rotation spray type Surface Treatment with Plasma, the first diameter of the rotating sprinkler of the first plasma processing 100 is
50-150mm。
Further, also the diameter of nozzle can also influence the effect of Surface Treatment with Plasma.Therefore, using
It is the before one plasma processing 100 carries out rotation spray type Surface Treatment with Plasma to the bottom surface of mobile phone aluminium shell 300
One plasma processing 100 configures a suitable rotating sprinkler of diameter.It is obtained by experiment, when the first plasma treatment
When the first diameter of the rotating sprinkler of equipment 100 is 50-150mm, Surface Treatment with Plasma effect is preferable.Therefore, it is using
It is the when first plasma processing 100 carries out rotation spray type Surface Treatment with Plasma to the bottom surface of mobile phone aluminium shell 300
The first diameter of the rotating sprinkler of one plasma processing 100 configuration is 50-150mm.
Further, in this embodiment in the side using the second plasma processing 200 to mobile phone aluminium shell 300
When face carries out direct injection Surface Treatment with Plasma, the second input air pressure of the second plasma processing 200 is 0.2-0.6Mpa.
Similarly, in order to make the second plasma processing 200 carry out plasma table to the side of mobile phone aluminium shell 300
Reach preferable treatment effect when surface treatment, in the side using the second plasma processing 200 to mobile phone aluminium shell 300
Before carrying out rotation spray type Surface Treatment with Plasma, preconditioning operation first is carried out to the second plasma processing 200.Specifically
Ground is obtained by experiment, when the second input air pressure of the second plasma processing 200 is 0.2-0.6Mpa, plasma table
Surface treatment effect is preferable.Therefore, the side of mobile phone aluminium shell 300 is revolved using the second plasma processing 200
When turning spray formula Surface Treatment with Plasma, the second input air pressure for adjusting the second plasma processing 200 is 0.2-0.6Mpa.
Further, also the second spray speed of the second plasma processing 200 is adjusted.Similarly, in practical behaviour
In work, spirit is carried out to the second spray speed of the second plasma processing 200 according to the material properties of mobile phone aluminium shell 300
Setting living.
Further, in this embodiment in the side using the second plasma processing 200 to mobile phone aluminium shell 300
When face carries out direct injection Surface Treatment with Plasma, direct injection nozzle and the mobile phone aluminium shell of the second plasma processing 200
The second distance of 300 side is 10-15mm.
Direct injection plasma table is being carried out to the side of mobile phone aluminium shell 300 using the second plasma processing 200
Before surface treatment, the of the direct injection nozzle of the second plasma processing 200 and the side of mobile phone aluminium shell 300 is first set
Two distances.It is obtained by experiment, when the side of the direct injection nozzle and mobile phone aluminium shell 300 of the second plasma processing 200
When the second distance in face is 10-15mm, Surface Treatment with Plasma effect is preferable.Therefore, the second plasma processing is being used
When the side of 200 pairs of mobile phone aluminium shells 300 carries out direct injection Surface Treatment with Plasma, the second plasma processing is controlled
200 direct injection nozzle and the second distance of the side of mobile phone aluminium shell 300 are 10-15mm.
Further, direct injection is being carried out to the side of mobile phone aluminium shell 300 using the second plasma processing 200
When Surface Treatment with Plasma, the second diameter of the direct injection nozzle of the second plasma processing 200 is 2-30mm.
Further, direct injection is being carried out to the side of mobile phone aluminium shell 300 using the second plasma processing 200
Before Surface Treatment with Plasma, the suitable direct injection nozzle of a diameter is configured for the second plasma processing 200.Pass through examination
It tests and obtains, when the second diameter of the direct injection nozzle of the second plasma processing 200 is 2-30mm, Surface Treatment with Plasma
Effect is preferable.Therefore, direct injection etc. is being carried out to the side of mobile phone aluminium shell 300 using the second plasma processing 200
When ion surface processing, the second diameter for the direct injection nozzle of the second plasma processing 200 configuration is 2-30mm.
The scheme that the present embodiment proposes, according to the physical characteristic of mobile phone aluminium shell, using the first plasma processing
Rotation spray type Surface Treatment with Plasma is carried out to the bottom surface of mobile phone aluminium shell, using the second plasma processing to mobile phone aluminium
The side of material shell carries out direct injection Surface Treatment with Plasma, to strengthen mobile phone aluminium shell each surface anode layer
Adhesive force improves the durable of mobile phone aluminium shell to further reduced the risk that mobile phone aluminium shell anode layer falls off
Property.
Further, the processing method 3rd embodiment of terminal aluminium shell of the present invention is proposed.The place of terminal aluminium shell
Difference lies at end for the processing method first embodiment and second embodiment of reason method 3rd embodiment and terminal aluminium shell
In the processing method 3rd embodiment for holding aluminium shell, the plasma processing is vacuum plasma processing equipment, described
Step S20 includes：
Vacuum plasma is carried out to each surface of the terminal aluminium shell using the vacuum plasma processing equipment
Surface treatment.
In the present embodiment, using vacuum plasma processing equipment to mobile phone aluminium shell carry out vacuum etc. of monoblock type from
Sublist surface treatment.Mobile phone aluminium shell is placed under closed vacuum environment and carries out Surface Treatment with Plasma, mobile phone aluminium shell
Each surface can simultaneously and equably carry out vacuum plasma surface treatment.Start starting vacuum plasma processing equipment
When carrying out Surface Treatment with Plasma, start timing, when timing reaches preset duration, close vacuum plasma processing equipment,
The Surface Treatment with Plasma of mobile phone aluminium shell is completed.It is obtained by experiment, when the value range of preset duration is 30-
When 60min, you can complete Surface Treatment with Plasma.Therefore, in use vacuum plasma processing equipment to mobile phone aluminium shell
When each surface carries out Surface Treatment with Plasma, the processing time for carrying out vacuum plasma surface treatment is 30-60min.
Further, in this embodiment before starting vacuum plasma processing equipment and carrying out Surface Treatment with Plasma,
Can preconditioning operation first be carried out to vacuum plasma processing equipment, for example, adjusting the input gas of vacuum plasma processing equipment
Pressure, spray speed etc. so that when vacuum plasma processing equipment carries out Surface Treatment with Plasma to each surface of mobile phone aluminium shell
Reach preferable treatment effect.
The scheme that the present embodiment proposes carries out each surface of mobile phone aluminium shell using vacuum plasma processing equipment
Surface Treatment with Plasma to each surface of mobile phone aluminium shell, it can be achieved that carry out simultaneously and equably Surface Treatment with Plasma
Effect improves the efficiency of Surface Treatment with Plasma.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of processing method of terminal aluminium shell is applied to plasma processing, which is characterized in that at the plasma
It includes the first plasma processing and the second plasma processing, the processing method packet of the terminal aluminium shell to manage equipment
Include following steps：
Fixed pending terminal aluminium shell；
Rotation spray type plasma surface is carried out to the bottom surface of the terminal aluminium shell using first plasma processing
Processing carries out at direct injection plasma surface the side of the terminal aluminium shell using second plasma processing
Reason, wherein the Surface Treatment with Plasma refers to low-temperature plasma microetch and cleaning；
Anodized is carried out to the terminal aluminium shell after Surface Treatment with Plasma.
2. the processing method of terminal aluminium shell as described in claim 1, which is characterized in that first plasma treatment is set
Standby to be configured with rotating sprinkler, second plasma processing is configured with direct injection nozzle；The terminal aluminium shell
Surface includes bottom surface and side.
3. the processing method of terminal aluminium shell as claimed in claim 2, which is characterized in that at control first plasma
It manages equipment and rotation spray type plasma is carried out to the bottom surface of the terminal aluminium shell using the first input air pressure of 0.2-0.6Mpa
Surface treatment.
4. the processing method of terminal aluminium shell as claimed in claim 3, which is characterized in that using first plasma
When processing equipment carries out rotation spray type Surface Treatment with Plasma to the bottom surface of the terminal aluminium shell, at first plasma
The first distance for managing the rotating sprinkler of equipment and the bottom surface of the terminal aluminium shell is 10-15mm.
5. the processing method of terminal aluminium shell as claimed in claim 4, which is characterized in that first plasma treatment is set
The first diameter of rotating sprinkler in standby is 50-150mm.
6. such as the processing method of claim 2-5 any one of them terminal aluminium shells, which is characterized in that control described second
Plasma processing carries out direct injection using the second input air pressure of 0.2-0.6Mpa to the side of the terminal aluminium shell
Surface Treatment with Plasma.
7. the processing method of terminal aluminium shell as claimed in claim 6, which is characterized in that using second plasma
When processing equipment carries out direct injection Surface Treatment with Plasma to the side of the terminal aluminium shell, second plasma treatment
The direct injection nozzle of equipment and the second distance of the side of the terminal aluminium shell are 10-15mm.
8. the processing method of terminal aluminium shell as claimed in claim 7, which is characterized in that in the second plasma processing
Direct injection nozzle second diameter be 2-30mm.
9. the processing method of terminal aluminium shell as described in claim 1, which is characterized in that the plasma processing is
Vacuum plasma processing equipment, it is described that plasma table is carried out to the surface of the terminal aluminium shell using plasma processing
The step of surface treatment includes：
Vacuum plasma surface is carried out to each surface of the terminal aluminium shell using the vacuum plasma processing equipment
Processing.
10. the processing method of terminal aluminium shell as claimed in claim 9, which is characterized in that the vacuum plasma surface
The when a length of 30-60min of processing.
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| CN101638015A (en) * | 2009-08-31 | 2010-02-03 | 中国印刷科学技术研究所 | Method for improving surface energy of aluminum plate by using plasma |
| CN105420783A (en) * | 2015-12-16 | 2016-03-23 | 广东长盈精密技术有限公司 | Anode oxidation processing method |
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| CN104805390B (en) * | 2014-01-26 | 2017-08-08 | 中国兵器工业第五二研究所 | A kind of method that deep cylinder battery shell inner surface prepares zirconia coating |
| US20160326624A1 (en) * | 2014-01-31 | 2016-11-10 | Hewlett-Packard Development Company, L.P. | Surface Treatments of Metal Substrates |
| CN105306628A (en) * | 2015-09-24 | 2016-02-03 | 广东欧珀移动通信有限公司 | Ceramic mobile phone shell making process and ceramic mobile phone shell |
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- 2016-06-01 CN CN201610383824.0A patent/CN106086987B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638015A (en) * | 2009-08-31 | 2010-02-03 | 中国印刷科学技术研究所 | Method for improving surface energy of aluminum plate by using plasma |
| CN105420783A (en) * | 2015-12-16 | 2016-03-23 | 广东长盈精密技术有限公司 | Anode oxidation processing method |
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