CN102534482A - Golden housing and manufacturing method and electronic device thereof - Google Patents
Golden housing and manufacturing method and electronic device thereof Download PDFInfo
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- CN102534482A CN102534482A CN2010106044753A CN201010604475A CN102534482A CN 102534482 A CN102534482 A CN 102534482A CN 2010106044753 A CN2010106044753 A CN 2010106044753A CN 201010604475 A CN201010604475 A CN 201010604475A CN 102534482 A CN102534482 A CN 102534482A
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Abstract
The invention relates to a housing with a golden appearance and a manufacturing method of the housing. The housing comprises a substrate, a chromium nitride layer and a titanium-chromium-oxygen layer, wherein the chromium nitride layer and the titanium-chromium-oxygen layer are sequentially stacked on the substrate surface; the L coordinate of a chromaticity area presented by the titanium-chromium-oxygen layer in a CIE Lab color system is between 46.72 and 61.45, the a coordinate is between 4.91 and 16.1, and the b coordinate is between 39.49 and 55.18. The housing has the advantages of good wear-resistance and attractive appearance. The invention also relates to an electronic device comprising the housing.
Description
Technical field
The present invention relates to the plated film field, relate in particular to a kind of housing and preparation method thereof with colden visual appearance, with comprise the electronic installation of said housing.
Background technology
Along with the rapid evolution of science and technology, various consumption electronic products, like mobile phone, computingmachine, photographic camera, development is rapidly.People have also proposed requirements at the higher level pursuing the diversified while of product function to its outward appearance, and the electronic product with colored shell arises at the historic moment.
Said colored shell is coated with rete through coating technique on the housing base surface usually and processes.For reaching attrition resistant purpose, said rete needs quite hard.Yet, because of the difference of rerum naturas such as the crystalline network and the coefficient of expansion, be prone to cause that the sticking power of this rete and said housing base is not good between said rete and said housing base, come off from said housing base.And the housing that has colden visual appearance at present adopts gold-plated completion more, and cost is higher.
Summary of the invention
In view of this, be necessary to provide a kind of lower-cost and attrition resistant housing and preparation method thereof and the electronic installation that comprises said housing in fact with gold-plated aesthetic appearance.
A kind of housing with colden visual appearance comprises a matrix, a golden titanium chromium oxygen layer and a key coat.Said titanium chromium oxygen layer is formed by chromium, titanium, three kinds of element dopings of oxygen; The chroma areas that said titanium chromium oxygen layer appears at the L coordinate of CIE Lab colour system between 46.72 to 61.45; The a coordinate is between 4.91 to 16.1; And the b coordinate is between 39.49 to 55.18, and said key coat is arranged between said matrix and the said titanium chromium oxygen layer, to engage said matrix and said titanium chromium oxygen layer.
A kind of making method with housing of colden visual appearance comprises: a matrix is provided; Utilize physical vapor codeposition technology, form one deck key coat on the surface of said matrix; Utilize physical vapor codeposition technology; Form a golden titanium chromium oxygen layer on said key coat surface; Said titanium chromium oxygen layer is by chromium, titanium, three kinds of element codepositions of oxygen and the hotchpotch that forms; Between 46.72 to 61.45, a coordinate is between 4.91 to 16.1 at the L coordinate of CIE Lab colour system for the chroma areas that said titanium chromium oxygen layer appears, and the b coordinate is between 39.49 to 55.18.
A kind of electronic installation with housing of above-mentioned colden visual appearance.
Than prior art, housing and electronic installation that the present technique scheme provides have colden visual appearance, and not only aesthetic feeling but also cost are lower, also have wear resistance preferably simultaneously.
Description of drawings
Fig. 1 is the structural representation of the electronic installation that provides of present technique scheme one embodiment, and said electronic installation comprises housing.
Fig. 2 is the cut-away view of housing shown in Figure 1 along the II-II line.
The main element nomenclature
Key coat 2
Titanium chromium oxygen layer 3
Embodiment
Below in conjunction with accompanying drawing and embodiment to the present technique scheme provide have housing of colden visual appearance and preparation method thereof, with comprise that the electronic installation of said housing is elaborated.
Said housing can be any electronic product shell.See also Fig. 1 and Fig. 2, the electronic installation that first embodiment of the invention provides is a mobile phone, and it comprises the housing 10 with colden visual appearance.Housing 10 comprises matrix 1, key coat 2, titanium chromium oxygen layer 3 and tectum 4.Wherein key coat 2 is located at the surface of matrix 1, and titanium chromium oxygen layer 3 is located at the surface of key coat 2, and tectum 4 is located at the surface of titanium chromium oxygen layer 3.
The material of said matrix 1 can be preferably metallic substance for metallic substance, plastics or pottery, especially is preferably stainless steel.Matrix 1 has 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, is beneficial to be formed on its surperficial key coat 2 and has high tack.Said key coat 2 is arranged between matrix 1 and the titanium chromium oxygen layer 3, to engage matrix 1 and titanium chromium oxygen layer 3.The material of said key coat 2 can comprise the material that chromium nitride (CrN) or titanium nitride (TiN) etc. can provide adhesion effect.The matrix material of said titanium chromium oxygen layer 3 for being mixed and formed by titanium chromium oxygen, said titanium chromium oxygen layer 3 is golden.When the oxygen level of said titanium chromium O compoiste material is hanged down; Said titanium chromium O compoiste material has metallicity, and the oxygen level of said titanium chromium O compoiste material increases gradually, and said titanium chromium O compoiste material fades to pottery property from metallicity; Promptly; Through changing the content of oxygen, said titanium chromium O compoiste material can be by metalline gradual change to ceramic character, or fade to metalline by ceramic character.Tectum 4 can comprise any suitable transparent insulating material, so that the protection effect to be provided.Because the present invention has the housing of colden visual appearance and has aforementioned substrates 1, key coat 2 and said titanium chromium oxygen layer 3, the Vickers' hardness of formed colorful housing (Vickers hardness) can be more than or equal to 500HV.The chroma areas that said titanium chromium oxygen layer 3 appears International Commission on Illumination (Commissioninternationale de l ' é clairag, CIE) the L coordinate of LAB colour system is between 46.72 to 61.45, a coordinate is between 4.91 to 16.1, and the b coordinate is between 39.49 to 55.18, for example; To more shallow gold, the Lab of said titanium chromium oxygen layer 3 color respectively can be (60.01,6.6,45.07), (46.72 from darker gold; 14.42,39.49), (48.63,11.32,51.21), (61.45; 4.91,41.75), (46.97,16.10,47.21), (51.61; 12.35,55.18), (59.89,6.22,45.18) or the like.
Said titanium chromium oxygen layer 3 is higher with the hardness of key coat 2, and the power that mutually combines is stronger, and therefore, said housing 10 wear resistancies are better.In addition, said titanium chromium oxygen layer 3 can have Special metallic features or ceramic characteristics, has increased the selectable range of housing 10 Facing materials.
Said housing 10 can be processed through following step:
At first, matrix 1 is provided.Alligatoring or polished finish can be carried out in advance in the surface of said matrix 1, were beneficial to follow-up its surperficial key coat 2 that is formed at and had high tack.
Secondly, form a key coat 2 on matrix 1 surface, the generation type of said key coat 2 is a physical vapor deposition, and the material of said key coat 2 can comprise the material that chromium nitride (CrN) or titanium nitride (TiN) etc. can provide adhesion effect.In this embodiment, preferably adopting the magnetic control sputtering plating method on the surface of matrix 1, to form chromium nitride layer, is target with pure chromium; In high vacuum is coated with the cabin, feed the nitrogen and the rare gas element of suitable proportion, said nitrogen is reactant gases, in the present embodiment; Said rare gas element is an argon gas; Through electromagnetic field effect, said argon gas electricity pulp formation electricity slurry and the said pure chromium target of accelerating impact, the material on said pure chromium target surface is overflowed; Combine with said nitrogen-atoms, form chromium nitride film layer on said matrix 1 surface.
Then, form a titanium chromium oxygen layer 3 on key coat 2 surfaces, the generation type of said titanium chromium oxygen layer 3 can be the physical vapor codeposition.In this embodiment, preferably adopt magnetic control sputtering method formation titanium chromium oxygen layer 3 altogether.At first, be target with pure chromium and pure titanium,, high vacuum feeds the oxygen and the rare gas element of suitable proportion in being coated with the cabin; Said oxygen is reactant gases, and in the present embodiment, said rare gas element is an argon gas; Through electromagnetic field effect, said argon gas electricity pulp formation electricity slurry and said pure chromium of accelerating impact and pure titanium target, the material of said pure chromium and pure titanium target material surface is overflowed; Combine with said Sauerstoffatom, form titanium chromium oxygen layer 3 on said key coat 2 surfaces.Wherein, the flow of said oxygen is 285-315sccm, preferred 300sccm, and the flow of said argon gas is 190-210sccm, preferred 200sccm; The power that said titanium target is impacted is 22-28 kilowatt, and preferred 25 kilowatts, the power that said chromium target is impacted is 5-7 kilowatt, is preferably 6 kilowatts; The bias voltage of said reaction formula magnetron sputtering plating processing procedure is between 195 to 205 volts, preferred 200 volts; Reaction times was between 20 to 30 minutes; The revolution rotating speed of matrix 1 be 8-10 rotating speed per minute (revolution per minute, rpm).
Can selectivity on the surface of said titanium chromium oxygen layer 3 form a tectum 4 thereafter.Tectum 4 can comprise any suitable transparent insulating material, like polymer fingerprint resistant paint layer, so that the protection effect to be provided.
According to above-mentioned steps, through sputter can be at the required titanium chromium oxygen layer 3 with colden visual appearance of key coat 2 surface formation altogether.Through regulating the time that said titanium target and said chromium target be impacted and the flow of said oxygen; Can regulate titanium chromium and the ratio of oxygen in the said titanium chromium oxygen layer 3; Thereby make said titanium chromium oxygen layer 3 fade to ceramic characteristics, or fade to Special metallic features by ceramic characteristics by Special metallic features.As previously mentioned; In this embodiment; Said titanium chromium oxygen layer 3 is rendered as gold, its chroma areas International Commission on Illumination (Commissioninternationale del ' é clairag, CIE) the L coordinate of L ab colour system is between 46.72 to 61.45; The a coordinate is between 4.91 to 16.1, and the b coordinate is between 39.49 to 55.18.
Be appreciated that the preferred embodiment that the present invention has a housing of colden visual appearance is equally applicable to the electronic installation of other kinds such as notebook, personal digital assistant, or be the device that any need have colden visual appearance.When use was equipped with the present invention and has the mobil phone of preferred embodiment of housing of colden visual appearance, the titanium chromium oxygen layer that covers the key coat surface can have ceramic characteristics or Special metallic features, to satisfy the material needs of shell.
Than prior art, the present technique scheme provides housing and electronic installation to have colden visual appearance, and not only aesthetic feeling but also cost are lower, also has wear resistance preferably simultaneously.
In addition, those skilled in the art can do other and change in spirit of the present invention, and all variations of doing according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (10)
1. housing with colden visual appearance comprises:
One matrix;
One golden titanium chromium oxygen layer; Said titanium chromium oxygen layer is formed by chromium, titanium, three kinds of element dopings of oxygen; Between 46.72 to 61.45, a coordinate is between 4.91 to 16.1 at the L coordinate of CIE L ab colour system for the chroma areas that said titanium chromium oxygen layer appears, and the b coordinate is between 39.49 to 55.18; And
One key coat, said key coat are arranged between said matrix and the said titanium chromium oxygen layer, to engage said matrix and said titanium chromium oxygen layer.
2. the housing with colden visual appearance as claimed in claim 1 is characterized in that said key coat comprises chromium nitride or titanium nitride.
3. the housing with colden visual appearance as claimed in claim 1 is characterized in that the Vickers' hardness of said housing is more than or equal to 500HV.
4. the housing with colden visual appearance as claimed in claim 1 is characterized in that, said housing also comprises a transparent tectum, and said tectum is located at the surface of said titanium chromium oxygen layer, is used to protect said titanium chromium oxygen layer.
5. making method with housing of colden visual appearance comprises:
Step 1 a: matrix is provided;
Step 2: utilize physical vapor codeposition technology, form one deck key coat on the surface of said matrix; And
Step 3: utilize physical vapor codeposition technology; Form a golden titanium chromium oxygen layer on said key coat surface; Said titanium chromium oxygen layer is by chromium, titanium, three kinds of element codepositions of oxygen and the hotchpotch that forms; Between 46.72 to 61.45, a coordinate is between 4.91 to 16.1 at the L coordinate of CIE Lab colour system for the chroma areas that said titanium chromium oxygen layer appears, and the b coordinate is between 39.49 to 55.18.
6. the making method with housing of colden visual appearance as claimed in claim 5 is characterized in that, in the step 2; Said key coat comprises chromium nitride, and the generation type of said chromium nitride is the magnetic control sputtering plating method, is target with pure chromium; With nitrogen is reactant gases, forms chromium nitride film at said matrix surface.
7. the making method with housing of colden visual appearance as claimed in claim 5 is characterized in that, in the step 3; The generation type of said titanium chromium oxygen layer is a magnetic control sputtering method altogether; With pure chromium and pure titanium is target, is reactant gases with oxygen, forms titanium chromium oxygen layer on said key coat surface.
8. the making method with housing of colden visual appearance as claimed in claim 7 is characterized in that, in the step 3, the power that said pure chromium target is impacted is 5-7 kilowatt, and the power that said pure titanium target is impacted is 22-28 kilowatt.
9. like claim 7 or 8 described making methods, it is characterized in that in the step 3, said magnetic control is total to the time of sputter between 20 to 30 fens bells with housing of colden visual appearance.
10. electronic installation, it comprises like each described housing with colden visual appearance of claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106044753A CN102534482A (en) | 2010-12-24 | 2010-12-24 | Golden housing and manufacturing method and electronic device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106044753A CN102534482A (en) | 2010-12-24 | 2010-12-24 | Golden housing and manufacturing method and electronic device thereof |
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| Publication Number | Publication Date |
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| CN102534482A true CN102534482A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106044753A Pending CN102534482A (en) | 2010-12-24 | 2010-12-24 | Golden housing and manufacturing method and electronic device thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6391457B1 (en) * | 1999-12-23 | 2002-05-21 | Vapor Technologies, Inc. | Coated article |
| US20070275264A1 (en) * | 2003-12-23 | 2007-11-29 | Hultin Anna S | Stainless Steel Strip Coated With A Decorative Layer |
-
2010
- 2010-12-24 CN CN2010106044753A patent/CN102534482A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6391457B1 (en) * | 1999-12-23 | 2002-05-21 | Vapor Technologies, Inc. | Coated article |
| US20070275264A1 (en) * | 2003-12-23 | 2007-11-29 | Hultin Anna S | Stainless Steel Strip Coated With A Decorative Layer |
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Application publication date: 20120704 |