CN102137559A - Shell with color and processing method thereof - Google Patents

Shell with color and processing method thereof Download PDF

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Publication number
CN102137559A
CN102137559A CN2010103007822A CN201010300782A CN102137559A CN 102137559 A CN102137559 A CN 102137559A CN 2010103007822 A CN2010103007822 A CN 2010103007822A CN 201010300782 A CN201010300782 A CN 201010300782A CN 102137559 A CN102137559 A CN 102137559A
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CN
China
Prior art keywords
processing procedure
pvd
vapour deposition
treatment method
surface treatment
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
Application number
CN2010103007822A
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Chinese (zh)
Inventor
陈杰良
魏朝沧
王仲培
张庆州
简士哲
凌维成
吴佳颖
洪新钦
廖名扬
蔡泰生
黄建豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN2010103007822A priority Critical patent/CN102137559A/en
Publication of CN102137559A publication Critical patent/CN102137559A/en
Pending legal-status Critical Current

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Abstract

The invention provides a shell with color and a processing method thereof. The shell comprises a substrate, a color layer and a binding layer, wherein the surface of the substrate comprises at least one smooth area; the color layer covers the smooth area on the substrate; the L* coordinate, a* coordinate and b* coordinate of a chroma area presented by the color layer in a CIE (commission internationale de l'eclairag) LAB color system respectively range from 49.07 to 51.07, from 0.19 to 1.19 and from 1.94 to 2.94; and the binding layer is arranged between the substrate and the color layer so as to joint the substrate and the color layer.

Description

Colorful housing and processing method thereof
Technical field
The present invention relates to a kind of colorful housing and surface treatment method thereof, relate to a kind of colorful housing and processing method thereof especially 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, 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 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, be necessary to provide 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 the chroma areas that presents in smooth region of color layer 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 49.07 to 51.07, the a* coordinate is between 0.19 to 1.19, and the b* coordinate is between 1.94 to 2.94.Binder course is arranged between base material and 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, at least one surface of covering substrates; And form a color layer, and cover the binder course surface, wherein between 49.07 to 51.07, the a* coordinate is between 0.19 to 1.19 in the L* coordinate of CIE LAB colour system for the chroma areas that presents of color layer, and the b* coordinate is between 1.94 to 2.94.
Compare with known techniques, 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 colorful housing parts structural profile schematic diagram of Fig. 1.
Fig. 3 for the color layer of preferred embodiment of the present invention in the schematic diagram of the scope of CIE LAB colour system L* coordinate.
Fig. 4 for the color layer of preferred embodiment of the present invention in the schematic diagram of the scope of CIE LAB colour system a* coordinate and b* coordinate.
Fig. 5 carries out the surface-treated schematic flow sheet for preferred embodiment of the present invention 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 least one 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.
Base material 1 can comprise ceramic materials such as stainless steel and other metal materials or glass, 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, the zone that for example comprises at least one smooth region, at least one atomizing zone or have a plurality of wire drawing shape micro-structurals, or the combination of aforementioned areas.Binder course 2 is arranged at 3 of base material 1 and color layers, to engage base material 1 and color layer 3.The material of binder course 2 can comprise chromium nitride (CrN) or other can provide the material of adhesion effect.Color layer 3 can comprise one deck or plural layer metal material, for example titanium alloy.Cover layer 4 can comprise any appropriate insulation material, so that the protection effect to be provided.In view of the above, the Vickers hardness of formed colorful housing (Vickershardness) can be more than or equal to 400HV.
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 49.07 to 51.07 in the L* coordinate of CIE LAB colour system, the a* coordinate can be between 0.19 to 1.19, and the b* coordinate can be between 1.94 to 2.94.
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 chromium 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 chromium 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 in binder course 2 surfaces.The preferable titanium alloy that comprises of the material of 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 preferred embodiment of the present invention, the physical vapour deposition (PVD) processing procedure that forms color layer 3 bombards the power of titanium target between 13.5 to 16.5 kilowatts, the bias voltage of physical vapour deposition (PVD) processing procedure is between 135 to 165 volts, the process temperatures of physical vapour deposition (PVD) processing procedure is between 153 to 183 degree Celsius, and the processing procedure time of physical vapour deposition (PVD) processing procedure was between 54 to 66 minutes.At the process gas flow partly, the physical vapour deposition (PVD) processing procedure comprises provides argon gas and nitrogen, and the flow of argon gas between 162 to 192sccm.
In addition, process parameter at operating pressure and nitrogen flow can roughly be divided into following four-stage: the phase I is in wherein 4.5 to 5.5 minutes of the processing procedure time of physical vapour deposition (PVD) processing procedure, its processing procedure pressure is between 3.6 to 4.4 milli-torrs, and the flow of the nitrogen that it provided is between 108 to 132sccm; Second stage is that its processing procedure pressure was between 3.618 to 4.422 milli-torrs in wherein 4.5 to 5.5 minutes of the processing procedure time of physical vapour deposition (PVD) processing procedure, and the flow of the nitrogen that it provided is between 162 to 198sccm; Phase III is that its processing procedure pressure was between 3.663 to 4.477 milli-torrs in wherein 9 to 11 minutes of the processing procedure time of physical vapour deposition (PVD) processing procedure, and the flow of the nitrogen that it provided is between 216 to 264sccm; The quadravalence section is in wherein 36 to 44 minutes of the processing procedure time of physical vapour deposition (PVD) processing procedure, and its processing procedure pressure is between 4.104 to 5.016 milli-torrs, and the flow of the nitrogen that it provided between 324 to 396sccm.
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 a smooth surface, the chromaticity coordinate (L* of the formed color layer 3 of aforementioned process step, a* b*) is (49.07 ~ 51.07,0.19 ~ 1.19,1.94 ~ 2.94), 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, personal digital assistant, 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.
In sum, the present invention meets the important document of patent of invention, and the whence proposes patent application in accordance with the law.Only, the above person only is preferred embodiment of the present invention, from the claim scope that can not limit this case with this.Such as be familiar with the personage of this case skill, modify or variation, all should be included in the claim scope in helping the equivalence of being done according to this case invention spirit.

Claims (24)

1. colorful housing is characterized in that:
One base material, the surface of described base material comprises at least one smooth region;
One color layer covers the surface of described base material, wherein in chroma areas that described smooth region presented in the L* of CIELAB colour system coordinate between 49.07 to 51.07, the a* coordinate is between 0.19 to 1.19, and the b* coordinate is between 1.94 to 2.94; And
One binder course is arranged between described base material and described color layer, to engage described base material and described color layer.
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 chromium nitride.
4. colorful housing as claimed in claim 3 is characterized in that described binder course lies in the physical vapour deposition (PVD) processing procedure to utilize a chromium target to form.
5. colorful housing as claimed in claim 1 is characterized in that described color layer comprises titanium alloy.
6. colorful housing as claimed in claim 5 is characterized in that described color layer lies in to utilize a titanium target to form in the physical vapour deposition (PVD) processing procedure.
7. colorful housing as claimed in claim 1, the Vickers hardness (Vickers hardness) that it is characterized in that described colorful housing is more than or equal to 400HV.
8. colorful housing as claimed in claim 1 is characterized in that the surface of described base material more comprises a vaporific zone, and described color layer covers described vaporific zone.
9. colorful housing as claimed in claim 1 is characterized in that the surface of described base material more comprises a plurality of wire drawing shape micro-structurals, and described color layer covers more described wire drawing shape micro-structural.
10. the surface treatment method of a colorful housing is characterized in that:
One base material is provided;
Form a binder course, cover the surface of described base material; And
Form a color layer, cover described binder course surface, between 49.07 to 51.07, the a* coordinate is between 0.19 to 1.19 in the L* coordinate of CIE LAB colour system for the chroma areas that wherein said color layer presents, and the b* coordinate is between 1.94 to 2.94.
11. surface treatment method as claimed in claim 10 is characterized in that described base material is metal material and ceramic material.
12. surface treatment method as claimed in claim 10 is characterized in that the step that forms described binder course comprises a physical vapour deposition (PVD) processing procedure.
13. surface treatment method as claimed in claim 12 it is characterized in that described physical vapour deposition (PVD) processing procedure comprises to utilize a chromium target to carry out sputter, and described binder course comprises chromium nitride.
14. surface treatment method as claimed in claim 10 is characterized in that the step that forms described color layer comprises a physical vapour deposition (PVD) processing procedure.
15. surface treatment method as claimed in claim 14 it is characterized in that described physical vapour deposition (PVD) processing procedure comprises to utilize a titanium target to carry out sputter, and described color layer comprises titanium alloy.
16. surface treatment method as claimed in claim 15 is characterized in that described physical vapour deposition (PVD) processing procedure bombards the power of described titanium target between 13.5 to 16.5 kilowatts.
17. surface treatment method as claimed in claim 14, the bias voltage that it is characterized in that described physical vapour deposition (PVD) processing procedure is between 135 to 165 volts.
18. surface treatment method as claimed in claim 14, the process temperatures that it is characterized in that described physical vapour deposition (PVD) processing procedure is between 153 to 183 degree Celsius.
19. surface treatment method as claimed in claim 14, the processing procedure time that it is characterized in that described physical vapour deposition (PVD) processing procedure was between 54 to 66 minutes.
20. surface treatment method as claimed in claim 19, be it is characterized in that in wherein 4.5 to 5.5 minutes of processing procedure time of described physical vapour deposition (PVD) processing procedure, its processing procedure pressure is between 3.6 to 4.4 milli-torrs, and the flow of the nitrogen that it provided between 108 to 132sccm.
21. surface treatment method as claimed in claim 19, be it is characterized in that in wherein 4.5 to 5.5 minutes of processing procedure time of described physical vapour deposition (PVD) processing procedure, its processing procedure pressure is between 3.618 to 4.422 milli-torrs, and the flow of the nitrogen that it provided between 162 to 198sccm.
22. surface treatment method as claimed in claim 19, be it is characterized in that in wherein 9 to 11 minutes of processing procedure time of described physical vapour deposition (PVD) processing procedure, its processing procedure pressure is between 3.663 to 4.477 milli-torrs, and the flow of the nitrogen that it provided between 216 to 264sccm.
23. surface treatment method as claimed in claim 19, be it is characterized in that in wherein 36 to 44 minutes of processing procedure time of described physical vapour deposition (PVD) processing procedure, its processing procedure pressure is between 4.104 to 5.016 milli-torrs, and the flow of the nitrogen that it provided between 324 to 396sccm.
24. surface treatment method as claimed in claim 14, it is characterized in that described physical vapour deposition (PVD) processing procedure comprises provides argon gas, and the flow of argon gas between 162 to 192 standard cube centimetre per minutes (standard cubiccentimeter per minute, sccm).
CN2010103007822A 2010-01-27 2010-01-27 Shell with color and processing method thereof Pending CN102137559A (en)

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CN2010103007822A CN102137559A (en) 2010-01-27 2010-01-27 Shell with color and processing method thereof

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Application Number Priority Date Filing Date Title
CN2010103007822A CN102137559A (en) 2010-01-27 2010-01-27 Shell with color and processing method thereof

Publications (1)

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CN102137559A true CN102137559A (en) 2011-07-27

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Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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