CN102137566A - Colored shell and surface processing method thereof - Google Patents
Colored shell and surface processing method thereof Download PDFInfo
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- CN102137566A CN102137566A CN2010103007979A CN201010300797A CN102137566A CN 102137566 A CN102137566 A CN 102137566A CN 2010103007979 A CN2010103007979 A CN 2010103007979A CN 201010300797 A CN201010300797 A CN 201010300797A CN 102137566 A CN102137566 A CN 102137566A
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Abstract
The invention discloses a colored shell and a surface processing method thereof. The colored shell comprises a base material, a color layer and a combination layer. The surface of the base material comprises at least one smooth area, and the color layer is covered on the smooth area of the base material. The color layer comprises chromium metal; L* coordinate of a chrominance region, presented by the color layer in the smooth area, in a CIE LAB surface color system is between 17.93 and 19.93, a* coordinate of that is between 23.74 and 24.74, and b* coordinate of that is between 2.20 and 3.20. The combination layer is arranged between the base material and the color layer so as to combine the base material with the color layer.
Description
Technical field
The present invention relates to a kind of housing and surface treatment method thereof, relate in particular to a kind of housing with color and processing method thereof of finger with specific color and metal-like with color.
Background technology
Along with the rapid evolution of science and technology, various electronic installation development such as mobile phone, personal digital assistant (PDA, Personal Digital Assistant), personal computer and mobile computer is rapid, and its function is also more and more abundant.For the shell that makes electronic installation has rich colors, can utilize colored plastic to form the colored plastic shell traditionally, or form the colorant layer at the surface of shell of electronic installation by the mode of spraying paint.Only, plastic casing can not present good metal texture with the shell that sprays paint.On the other hand, be difficult for precision owing to the technology of metal coating own is comparatively complicated and control, so prior art can only form a few conventional metals color at surface of shell all the time, fail to have breakthrough in rich colors texture aspect.
Summary of the invention
In view of this, be necessary to provide a kind of housing with color and surface treatment method thereof that can have specific color.
A kind of housing with color comprises base material, color layer and binder course.The surface of described base material comprises at least one smooth region, the smooth region of described color layer covering substrates, described color layer comprises chromium metal and aluminum metal, the chroma areas that described color layer presents in smooth region is in (Commission internationale de l ' the é clairag of Commission Internationale De L'Eclairage, CIE) the L* coordinate of LAB colour system is between 17.93 to 19.93, the a* coordinate is between 23.74 to 24.74, and the b* coordinate is between 2.20 to 3.20.Binder course is arranged between base material and the color layer, to engage base material and color layer.
A kind of surface treatment method with housing of color may further comprise the steps: a base material is provided; Form a binder course, cover the surface of described base material; And utilize the heavy achievement processing procedure of a physical vapor to form a color layer, cover described binder course surface, wherein between 17.93 to 19.93, the a* coordinate is between 23.74 to 24.74 in the L* coordinate of CIE LAB colour system for the chroma areas that presents of color layer, and the b* coordinate is between 2.20 to 3.20.
Described housing with color provides the metal-like of specific color by its color layer.
Description of drawings
Fig. 1 is the structural representation that preferred embodiment of the present invention has the housing of color.
Fig. 2 is the part-structure generalized section of the housing of Fig. 1 with color.
Fig. 3 is that the color layer of preferred embodiment of the present invention is in the schematic diagram of the scope of CIE LAB colour system L* coordinate.
Fig. 4 is that the color layer of preferred embodiment of the present invention is in the schematic diagram of the scope of CIE LAB colour system a* coordinate and b* coordinate.
Fig. 5 is that preferred embodiment of the present invention is carried out the surface-treated schematic flow sheet to the housing with color.
Embodiment
See also Fig. 1 and Fig. 2, the preferred embodiment that the present invention has a housing of color for example can be the shell of a mobile phone, comprises the cover layer 4 of base material 1, binder course 2, color layer 3 and selectivity.Described binder course 2 is located at the surface of base material 1, and described color layer 3 is arranged at the surface of binder course 2, and cover layer 4 can be arranged at the surface of color layer 3.
Described base material 1 can comprise ceramic materials such as stainless steel and other metal materials or glass, described base material 1 can have the surface of at least one processing to be coated, and the surface of processing to be coated can comprise the zone with different surfaces structure, for example comprises at least one smooth region.Described binder course 2 is arranged between base material 1 and the color layer 3, to engage base material 1 and color layer 3.The material of described binder course 2 can comprise titanium nitride (CrN) or other can provide the material of adhesion effect.Described color layer 3 can comprise one deck or plural layer metal material, for example evanohm.Described cover layer 4 can comprise any appropriate insulation material, so that the protection effect to be provided.Because the present invention has the housing of color and has described base material 1, binder course 2 and color layer 3, the Vickers hardness of the housing with color that is formed (Vickers hardness) can be more than or equal to 300HV.
See also Fig. 3 and Fig. 4, when the surface to be coated of base material 1 comprises smooth region, the chroma areas that color layer 3 provided by the present invention presents in smooth region in the L* coordinate of CIE LAB colour system between 17.93 to 19.93, the a* coordinate is between 23.74 to 24.74, and the b* coordinate is between 2.20 to 3.20.
See also Fig. 5, and consult Fig. 1 and Fig. 2 in the lump, the surface treatment method that the present invention has the housing of color may further comprise the steps: at first, form the base material 1 of a mobile phone shell, described base material 1 is to be made by ceramic materials such as stainless steel and other metal materials or glass.Can further carry out surface treatment to base material 1 after forming base material 1, satisfying the outward appearance chromaticness needs of shell, or the evenness that can further adjust base material 1 makes follow-up its lip-deep binder course 2 that is formed at have high tack.
Secondly, form a binder course 2 in base material 1 lip-deep precalculated position, for example the preferable titanium nitride that comprises of the material of binder course 2.Can adopt the method for physical vapour deposition (PVD) processing procedure sputter on the surface of base material 1, to form binder course 2 in the actual production, with base material 1 is base material, utilize a titanium target sputter, adopt radio frequency (RF) energy source to excite argon gas electricity slurry with 27 to 33 standard cube centimetre per minutes (standard cubic centimeter per minute, sccm) flow attack target, the material splash of target material surface is come out, be deposited into base material 1 surface.
Then, form a color layer 3 on binder course 2 surfaces.The preferable Cr-Al alloy that comprises of the material of described color layer 3.Can also adopt the method for physical vapour deposition (PVD) processing procedure sputter to form color layer 3 in the actual production.In the preferred embodiment of the present invention, the physical vapour deposition (PVD) processing procedure that forms color layer 3 bombards the power of chromium target between 10.8 to 13.2 kilowatts, the bias voltage of physical vapour deposition (PVD) processing procedure is between 180 to 220 volts, the process temperatures of physical vapour deposition (PVD) processing procedure is between 180 to 220 degree Celsius, the processing procedure time of physical vapour deposition (PVD) processing procedure was between 21.6 to 26.4 minutes, the processing procedure pressure of physical vapour deposition (PVD) processing procedure is between 3.78 to 4.62 milli-torrs, the revolution rotating speed of base material in the physical vapour deposition (PVD) processing procedure is between 1.8 to 2.2 Revolution Per Minute (revolution perminute, rpm), the rotation rotating speed of base material in the physical vapour deposition (PVD) processing procedure between 7.2 to 8.8rpm.At the process gas flow partly, the physical vapour deposition (PVD) processing procedure comprises provides argon gas and oxygen, and the flow of argon gas is between 54 to 66sccm, the flow of oxygen between 162 to 198sccm.
According to above-mentioned process step, the present invention can form required specific color and metal-like on base material 1 and binder course 2.As previously mentioned, when the surface to be coated of base material 1 is smooth surface, the chromaticity coordinate (L* of the formed color layer 3 of aforementioned process step, a* b*) is (17.93 ~ 19.93,23.74 ~ 24.74,2.20 ~ 3.20), this is the known Color Range that housing can't provide with color.
Thereafter, the alternative cover layer 4 that forms on the surface of color layer 3.Described cover layer 4 can comprise any appropriate insulation material, so that the protection effect to be provided.
Be appreciated that preferred embodiment that the present invention has a housing of color is equally applicable to the electronic installation of other kinds such as mobile computer, personal digital assistant, or any need has the device of specific color and metal-like.When use is equipped with the present invention and has the mobile phone of preferred embodiment of housing of color, the color layer that is covered in the binder course surface can provide the metal-like of specific color, satisfying the outward appearance chromaticness needs of shell, thereby form device with rich colors and good metal-like.
Be noted that above-mentioned execution mode only is better embodiment of the present invention, those skilled in the art also can do other variation in spirit of the present invention.The variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (22)
1. housing with color, it is characterized in that, comprise base material, color layer and binder course, the surface of described base material comprises at least one smooth region, the smooth region of described color layer covering substrates, described color layer comprises the chromium metal, the chroma areas that described color layer presents in smooth region in the L* coordinate of CIE LAB colour system between 17.93 to 19.93, the a* coordinate is between 23.74 to 24.74, and the b* coordinate is between 2.20 to 3.20, described binder course is arranged between base material and the color layer, to engage base material and color layer.
2. the housing with color as claimed in claim 1 is characterized in that: described base material is metal material or ceramic material.
3. the housing with color as claimed in claim 1 is characterized in that: described binder course comprises titanium nitride.
4. the housing with color as claimed in claim 3 is characterized in that: described binder course utilizes the titanium target to form in the physical vapour deposition (PVD) processing procedure.
5. the housing with color as claimed in claim 1 is characterized in that: described color layer comprises Cr-Al alloy.
6. the housing with color as claimed in claim 5 is characterized in that: described color layer utilizes chromium target and aluminium target to form in the physical vapour deposition (PVD) processing procedure.
7. the housing with color as claimed in claim 1 is characterized in that: described have the Vickers hardness (Vickers hardness) of the housing of color more than or equal to 300HV.
8. surface treatment method with housing of color, this method comprises the following steps:
One base material is provided;
Form a binder course, cover the surface of this base material; And
Utilize a physical vapour deposition (PVD) processing procedure to form a color layer, cover the surface of described binder course, between 17.93 to 19.93, the a* coordinate is between 23.74 to 24.74 in the L* coordinate of CIE LAB colour system for the chroma areas that described color layer presents, and the b* coordinate is between 2.20 to 3.20.
9. surface treatment method as claimed in claim 8 is characterized in that: described base material is metal material or ceramic material.
10. surface treatment method as claimed in claim 8 is characterized in that: the step of described formation binder course comprises the physical vapor deposition manufacture process.
11. surface treatment method as claimed in claim 10 is characterized in that: described physical vapour deposition (PVD) processing procedure comprises and utilizes the titanium target to carry out sputter, and described binder course comprises titanium nitride.
12. surface treatment method as claimed in claim 8 is characterized in that: described physical vapour deposition (PVD) processing procedure comprises and utilizes chromium target and aluminium target to carry out sputter, and described color layer comprises Cr-Al alloy.
13. surface treatment method as claimed in claim 12 is characterized in that: the power of described physical vapour deposition (PVD) processing procedure bombardment chromium target is between 10.8 to 13.2 kilowatts.
14. surface treatment method as claimed in claim 12 is characterized in that: described physical vapour deposition (PVD) processing procedure bombards the power of this aluminium target between 27 to 33 kilowatts.
15. surface treatment method as claimed in claim 8 is characterized in that: the bias voltage of described physical vapour deposition (PVD) processing procedure is between 180 to 220 volts.
16. surface treatment method as claimed in claim 8 is characterized in that: the process temperatures of described physical vapour deposition (PVD) processing procedure is between 180 to 220 degree Celsius.
17. surface treatment method as claimed in claim 8 is characterized in that: the processing procedure time of described physical vapour deposition (PVD) processing procedure was between 21.6 to 26.4 minutes.
18. surface treatment method as claimed in claim 8 is characterized in that: the processing procedure pressure of described physical vapour deposition (PVD) processing procedure is between 3.78 to 4.62 milli-torrs.
19. surface treatment method as claimed in claim 8, it is characterized in that: described physical vapour deposition (PVD) processing procedure comprises provides argon gas, the flow of described argon gas between 54 to 66 standard cube centimetre per minutes (standard cubiccentimeter per minute, sccm).
20. surface treatment method as claimed in claim 8 is characterized in that: described physical vapour deposition (PVD) processing procedure comprises provides oxygen, and the flow of described oxygen is between 162 to 198 standard cube centimetre per minutes.
21. surface treatment method as claimed in claim 8 is characterized in that: the revolution rotating speed of described base material in the physical vapour deposition (PVD) processing procedure between 1.8 to 2.2 Revolution Per Minutes (revolution per minute, rpm).
22. surface treatment method as claimed in claim 8 is characterized in that: the rotation rotating speed of described base material in the physical vapour deposition (PVD) processing procedure between 7.2 to 8.8rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103007979A CN102137566A (en) | 2010-01-27 | 2010-01-27 | Colored shell and surface processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103007979A CN102137566A (en) | 2010-01-27 | 2010-01-27 | Colored shell and surface processing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102137566A true CN102137566A (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010103007979A Pending CN102137566A (en) | 2010-01-27 | 2010-01-27 | Colored shell and surface processing method thereof |
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| CN (1) | CN102137566A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4943486A (en) * | 1987-04-01 | 1990-07-24 | Seiko Epson Corporation | Coated article and method of production |
| US6391475B1 (en) * | 2000-03-10 | 2002-05-21 | General Electric Company | Modified aluminum-containing protective coating and its preparation |
| CN1419404A (en) * | 2001-11-13 | 2003-05-21 | 鸿富锦精密工业（深圳）有限公司 | Casing of electronic device |
| CN1898408A (en) * | 2003-12-23 | 2007-01-17 | 山特维克知识产权股份有限公司 | A stainless steel strip coated with a decorative layer |
| CN101006193A (en) * | 2004-08-25 | 2007-07-25 | 山特维克知识产权股份有限公司 | Metal product, method of manufacturing a metal product and use thereof |
-
2010
- 2010-01-27 CN CN2010103007979A patent/CN102137566A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4943486A (en) * | 1987-04-01 | 1990-07-24 | Seiko Epson Corporation | Coated article and method of production |
| US6391475B1 (en) * | 2000-03-10 | 2002-05-21 | General Electric Company | Modified aluminum-containing protective coating and its preparation |
| CN1419404A (en) * | 2001-11-13 | 2003-05-21 | 鸿富锦精密工业（深圳）有限公司 | Casing of electronic device |
| CN1898408A (en) * | 2003-12-23 | 2007-01-17 | 山特维克知识产权股份有限公司 | A stainless steel strip coated with a decorative layer |
| CN101006193A (en) * | 2004-08-25 | 2007-07-25 | 山特维克知识产权股份有限公司 | Metal product, method of manufacturing a metal product and use thereof |
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Application publication date: 20110727 |