CN102137562A - Colored shell and surface processing method thereof - Google Patents

Colored shell and surface processing method thereof Download PDF

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Publication number
CN102137562A
CN102137562A CN2010103007894A CN201010300789A CN102137562A CN 102137562 A CN102137562 A CN 102137562A CN 2010103007894 A CN2010103007894 A CN 2010103007894A CN 201010300789 A CN201010300789 A CN 201010300789A CN 102137562 A CN102137562 A CN 102137562A
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China
Prior art keywords
base material
processing procedure
treatment method
pvd
surface treatment
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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
CN2010103007894A
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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.)
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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 CN2010103007894A priority Critical patent/CN102137562A/en
Publication of CN102137562A publication Critical patent/CN102137562A/en
Pending legal-status Critical Current

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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, wherein L* coordinate of a chrominance region, presented by the color layer in the smooth area, in a CIE LAB surface color system is between 36.54 and 38.54, a* coordinate of that is between 0.04 and 1.04, and b* coordinate of that is between 1.88 and 2.88. 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

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 36.54 to 38.54, the a* coordinate is between 0.04 to 1.04, and the b* coordinate is between 1.88 to 2.88.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, and the surface of base material comprises at least one smooth region; Form a binder course, the surface of covering substrates; And form a color layer, and cover the binder course surface, wherein between 36.54 to 38.54, the a* coordinate is between 0.04 to 1.04 in the L* coordinate of CIE LAB colour system for the chroma areas that presents in smooth region of color layer, and the b* coordinate is between 1.88 to 2.88.
Compare with known techniques, described colorful housing by its color layer and arrange in pairs or groups binder course and base material so that the metal-like of specific color to be provided.
Description of drawings
The 1st figure is the structural representation of the colorful housing of preferred embodiment of the present invention.
The 2nd figure is the colorful housing parts structural profile schematic diagram of first figure.
The 3rd figure 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.
The 4th figure 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.
The 5th figure 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 first figure and second figure, 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 chromium carbon 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 (Vickers hardness) can be more than or equal to 400HV.
See also the 3rd figure and the 4th figure, 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 36.54 to 38.54 in the L* coordinate of CIE LAB colour system, the a* coordinate can be between 0.04 to 1.04, and the b* coordinate can be between 1.88 to 2.88.
See also the 5th figure, and consult first figure and second figure 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 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 chromium carbon 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 chromium target between 10.8 to 13.2 kilowatts, the power of physical vapour deposition (PVD) processing procedure bombardment carbon target is between 6.3 to 11 kilowatts, the bias voltage of physical vapour deposition (PVD) processing procedure is between 72 to 88 volts, the process temperatures of physical vapour deposition (PVD) processing procedure is between 153 to 187 degree Celsius, the processing procedure time of physical vapour deposition (PVD) processing procedure was between 36 to 44 minutes, the processing procedure pressure of physical vapour deposition (PVD) processing procedure is between 4.2 to 3.5 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 Minutes (revolution per minute, rpm), the revolution 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 nitrogen, and the flow of argon gas between 90 to 110sccm.In addition, flow for the nitrogen that chromium target provided can be divided into two stages, wherein the phase I in the flow of wherein 13.5 to the 16.5 fens nitrogen that bell provided of processing procedure time between 162 to 198sccm, and second stage in the flow of wherein 13.5 to the 16.5 fens nitrogen that bell provided of processing procedure time between 216 to 264sccm.The flow of the nitrogen that is provided for the carbon target is between 324 to 396.
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, the chromaticity coordinate of the formed color layer 3 of aforementioned process step (L*, a* b*) are (36.54 ~ 38.54,0.04 ~ 1.04,1.88 ~ 2.88), 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 (25)

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 described smooth region of described base material, and wherein the L* coordinate in chroma areas that described smooth region presented in CIE LAB colour system is between 36.54 to 38.54, and the a* coordinate is between 0.04 to 1.04, and the b* coordinate is between 1.88 to 2.88; 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 utilizes a chromium target to form in a physical vapour deposition (PVD) processing procedure.
5. colorful housing as claimed in claim 1 is characterized in that described color layer comprises the chromium carbon alloy.
6. colorful housing as claimed in claim 5 is characterized in that described color layer utilizes a chromium target and a carbon target to form in a 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 36.54 to 38.54, the a* coordinate is between 0.04 to 1.04 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 1.88 to 2.88.
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 chromium target and a carbon target to carry out sputter, and described color layer comprises the chromium carbon 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 chromium target between 10.8 to 13.2 kilowatts.
17. surface treatment method as claimed in claim 15 is characterized in that described physical vapour deposition (PVD) processing procedure bombards the power of described carbon target between 6.3 to 11 kilowatts.
18. 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 72 to 88 volts.
19. 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 187 degree Celsius.
20. 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 36 to 44 minutes.
21. 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 90 to 110 standard cube centimetre per minutes (standard cubiccentimeter per minute, sccm).
22. surface treatment method as claimed in claim 14, it is characterized in that described physical vapour deposition (PVD) processing procedure comprises provides nitrogen.
23. surface treatment method as claimed in claim 22, the flow that it is characterized in that described nitrogen between 162 to 198sccm.
24. surface treatment method as claimed in claim 22, the flow that it is characterized in that described nitrogen between 216 to 264sccm.
25. surface treatment method as claimed in claim 14, it is characterized in that the revolution rotating speed of described base material in described physical vapour deposition (PVD) processing procedure between 1.8 to 2.2 Revolution Per Minutes (revolution per minute, rpm).
CN2010103007894A 2010-01-27 2010-01-27 Colored shell and surface processing method thereof Pending CN102137562A (en)

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CN2010103007894A CN102137562A (en) 2010-01-27 2010-01-27 Colored shell and surface processing method thereof

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CN102137562A true CN102137562A (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