CN102137560A - Coloured shell and surface treatment method thereof - Google Patents
Coloured shell and surface treatment method thereof Download PDFInfo
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- CN102137560A CN102137560A CN2010103007875A CN201010300787A CN102137560A CN 102137560 A CN102137560 A CN 102137560A CN 2010103007875 A CN2010103007875 A CN 2010103007875A CN 201010300787 A CN201010300787 A CN 201010300787A CN 102137560 A CN102137560 A CN 102137560A
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Abstract
The invention discloses a coloured shell and a surface treatment method thereof. The coloured shell has a base material, a coloured layer and a bonding layer. The surface of the base material has at least one smooth area and the coloured layer covers the smooth area of the base material. The coloured layer contains titanium metal, wherein the coordinates of a chroma area of the coloured layer in the smooth area in a coherent infrared energy (CIE) LAB colour system are as follows: L* coordinate is 51.55-52.55; a* coordinate is 13.12-14.12; and b* coordinate is 6.27-7.27. The bonding layer is arranged between the base material and the coloured layer so as to bond the base material with the coloured layer.
Description
Technical field
The present invention relates to a kind of colorful housing and surface treatment method thereof, relate in particular to a kind of housing and processing method thereof with specific color and metal-like.
Background technology
Along with the rapid evolution of science and technology, various electronic installation development such as mobile phone, palmtop computer (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 known techniques can only form a few conventional metals color in surface of shell all the time, fail to have breakthrough in rich colors texture aspect.
Summary of the invention
In view of this, the invention provides a kind of colorful housing and surface treatment method thereof, to solve known problem with specific color.
A kind of colorful housing comprises base material, color layer and binder course.The surface of base material comprises at least one smooth region, and the smooth region of color layer covering substrates, wherein color layer comprises titanium, and the chroma areas that 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 51.55 to 52.55, the a* coordinate is between 13.12 to 14.12, and the b* coordinate is between 6.27 to 7.27.Binder course is arranged between base material and the color layer, to engage base material and color layer.
A kind of surface treatment method of colorful housing may further comprise the steps: a base material is provided; Form a binder course, the surface of covering substrates; And utilize the heavy achievement technology of a physical vapor to form a color layer, covering binder course surface, wherein between 51.55 to 52.55, the a* coordinate is between 13.12 to 14.12 in the L* coordinate of CIE LAB colour system for the chroma areas that presents of color layer, and the b* coordinate is between 6.27 to 7.27.
Compared with prior art, described colorful housing provides the metal-like of specific color by its color layer.
Description of drawings
Fig. 1 is the structural representation of the colorful housing of preferred embodiment of the present invention.
Fig. 2 is the partial structure generalized section of the colorful housing of Fig. 1.
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 colorful housing.
Embodiment
Below in conjunction with accompanying drawing, with preferred embodiment and cooperate graphic being described in detail as follows.
See also Fig. 1 and Fig. 2, the preferred embodiment of the colorful housing of the present invention for example can be the shell of a mobile phone, and it comprises that a base material 1, a binder course 2, a color layer 3 reach optionally cover layer 4.Wherein binder course 2 is located at the surface of base material 1, and 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.
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 can be between 51.55 to 52.55 in the L* coordinate of CIE LAB colour system, the a* coordinate can be between 13.12 to 14.12, and the b* coordinate can be between 6.27 to 7.27.
See also Fig. 5, and consult Fig. 1 and Fig. 2 in the lump, the surface treatment method of the colorful housing of the present invention may further comprise the steps: at first, form the base material 1 of a mobile phone shell, 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 gas-phase deposition 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 mark condition milliliter per minute (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 in binder course 2 surfaces.The preferable titanium-aluminium alloy that comprises of the material of color layer 3.Can also adopt the method for physical gas-phase deposition sputter to form color layer 3 in the actual production.In preferred embodiment of the present invention, the physical gas-phase deposition that forms color layer 3 bombards the power of titanium target between 27 to 33 kilowatts, the power of physical gas-phase deposition bombardment aluminium target is between 9 to 11 kilowatts, the bias voltage of physical gas-phase deposition is between 216 to 264 volts, the technological temperature of physical gas-phase deposition is between 126 to 154 degree Celsius, the process time of physical gas-phase deposition was between 72 to 88 minutes, the operation pressure of physical gas-phase deposition is between 3.02 to 3.69 milli-torrs, the revolution rotating speed of base material in physical gas-phase deposition is between 1.8 to 2.2 rotating speed per minutes (revolution per minute, rpm), the rotation rotating speed of base material in physical gas-phase deposition between 7.2 to 8.8rpm.At process gas flow partly, physical gas-phase deposition comprises provides argon gas and nitrogen, and the flow of argon gas is between 405 to 495sccm, the flow of nitrogen between 135 to 165sccm.
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 (51.55 ~ 52.55,13.12 ~ 14.12,6.27 ~ 7.27), this for known colorful housing the Color Range that can't provide.
Thereafter, the alternative cover layer 4 that forms in the surface of color layer 3.Cover layer 4 can comprise any appropriate insulation material, so that the protection effect to be provided.
Be appreciated that the preferred embodiment of the colorful housing of the present invention is equally applicable to the electronic installation of other kinds such as mobile computer, palmtop computer, or any need has the device of specific color and metal-like.When use is equipped with the mobile phone of preferred embodiment of the colorful housing of the present invention, 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. colorful housing, it comprises a base material, one color layer, an and binder course, the surface of described base material comprises at least one smooth region, described color layer covers the described smooth region of described base material, described color layer comprises titanium, described binder course is arranged between described base material and the described color layer, to engage described base material and described color layer, it is characterized in that: between 51.55 to 52.55, the a* coordinate is between 13.12 to 14.12 in the L* coordinate of CIE LAB colour system for the chroma areas that described color layer presents in described smooth region, and the b* coordinate is between 6.27 to 7.27.
2. colorful housing as claimed in claim 1 is characterized in that: described base material is metal material or ceramic material.
3. colorful housing as claimed in claim 1 is characterized in that: described binder course comprises titanium nitride.
4. colorful housing as claimed in claim 3 is characterized in that: described binder course is to utilize a titanium target to form in a physical gas-phase deposition.
5. colorful housing as claimed in claim 1 is characterized in that: described color layer comprises titanium-aluminium alloy.
6. colorful housing as claimed in claim 5 is characterized in that: described color layer is to utilize a titanium target and an aluminium target to form in a physical gas-phase deposition.
7. colorful housing as claimed in claim 1 is characterized in that: the Vickers hardness of described colorful housing (Vickers hardness) is more than or equal to 400HV.
8. the surface treatment method of a colorful housing comprises:
One base material is provided;
Form a binder course, cover the surface of described base material; And
Utilize a physical gas-phase deposition to form a color layer, cover described binder course surface, it is characterized in that chroma areas that described color layer presents in the L* coordinate of CIE LAB colour system between 51.55 to 52.55, the a* coordinate is between 13.12 to 14.12, and the b* coordinate is between 6.27 to 7.27.
9. surface treatment method as claimed in claim 8 is characterized in that: described base material is metal material and ceramic material.
10. surface treatment method as claimed in claim 8 is characterized in that: the step that forms described binder course comprises a physical gas-phase deposition.
11. surface treatment method as claimed in claim 10 is characterized in that: described physical gas-phase deposition comprises and utilizes a 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 gas-phase deposition comprises and utilizes a titanium target and an aluminium target to carry out sputter, and described color layer comprises titanium-aluminium alloy.
13. surface treatment method as claimed in claim 12 is characterized in that: described physical gas-phase deposition bombards the power of described titanium target between 27 to 33 kilowatts.
14. surface treatment method as claimed in claim 12 is characterized in that: described physical gas-phase deposition bombards the power of described aluminium target between 9 to 11 kilowatts.
15. surface treatment method as claimed in claim 8 is characterized in that: the bias voltage of described physical gas-phase deposition is between 216 to 264 volts.
16. surface treatment method as claimed in claim 8 is characterized in that: the technological temperature of described physical gas-phase deposition is between 126 to 154 degree Celsius.
17. surface treatment method as claimed in claim 8 is characterized in that: the process time of described physical gas-phase deposition was between 72 to 88 minutes.
18. surface treatment method as claimed in claim 8 is characterized in that: the operation pressure of described physical gas-phase deposition is between 3.02 to 3.69 milli-torrs.
19. surface treatment method as claimed in claim 8 is characterized in that: described physical gas-phase deposition comprises provides argon gas, and the flow of argon gas between 405 to 495 mark condition milliliter per minutes (standard cubiccentimeter per minute, sccm).
20. surface treatment method as claimed in claim 8 is characterized in that: described physical gas-phase deposition comprises provides nitrogen, and the flow of nitrogen between 135 to 165sccm.
21. surface treatment method as claimed in claim 8 is characterized in that: the revolution rotating speed of described base material in described physical gas-phase deposition between 1.8 to 2.2 rotating speed 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 described physical gas-phase deposition between 7.2 to 8.8rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103007875A CN102137560A (en) | 2010-01-27 | 2010-01-27 | Coloured shell and surface treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010103007875A CN102137560A (en) | 2010-01-27 | 2010-01-27 | Coloured shell and surface treatment method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102137560A true CN102137560A (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010103007875A Pending CN102137560A (en) | 2010-01-27 | 2010-01-27 | Coloured shell and surface treatment method thereof |
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| CN (1) | CN102137560A (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 CN2010103007875A patent/CN102137560A/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 |