CN104582333A - Shell and preparation method thereof - Google Patents
Shell and preparation method thereof Download PDFInfo
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- CN104582333A CN104582333A CN201310470726.7A CN201310470726A CN104582333A CN 104582333 A CN104582333 A CN 104582333A CN 201310470726 A CN201310470726 A CN 201310470726A CN 104582333 A CN104582333 A CN 104582333A
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- titanium
- housing
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- color layer
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Abstract
The invention provides a shell which comprises a base body, a priming layer formed on the surface of the base body, a transitional layer formed on the surface of the priming layer and a color layer formed on the surface of the transitional layer, wherein the priming layer consists of titanium-aluminum alloy; the transitional layer consists of titanium-chromium alloy; the color layer is a ceramic coating layer consisting of a nitrogen element, an aluminum element and a titanium element; in the chroma region shown on the color layer in a CIELAB surface color system, the coordinate L* is ranged from 28 to 32, the coordinate a* is ranged from 30-45, and the coordinate b* is ranged from -2 to 4. The invention further provides a preparation method for the shell.
Description
Technical field
The present invention relates to a kind of housing and preparation method thereof, particularly relate to and a kind of there is housing of bright cherry-red coloured metal outward appearance and preparation method thereof.
Background technology
In order to make the housing of electronic installation have rich colors, prepare decorative coating mainly through techniques such as anodic oxidation, baking vanish, porcelains at present.Compare these traditional technologys, the environmental protection more of PVD coating technique, and adopt PVD coating technique can form the ornamental color layer with metal-like on product shell surface.
But in prior art, the color of the rete utilizing PVD coating technique to be formed in surface of shell is very limited, and the PVD rete can extensively prepared and use at present is mainly the colour systems such as golden yellow, black, white, can the color of stably manufactured few especially.
Bright-coloured cherry-red is a kind of attractive color, but is but difficult to the rete stably producing cherry-red in existing PVD coating technique.
Summary of the invention
In view of this, the invention provides one and there is bright cherry-red metal appearance and anti abrasive housing.
In addition, the present invention also provides a kind of preparation method of above-mentioned housing.
A kind of housing, comprise matrix, be formed at the prime coat of this matrix surface, be formed at prime coat surface transition layer and be formed at the color layer on this transition layer surface, this prime coat is made up of titanium aluminum alloy, this transition layer is made up of titanium chrome alloy, this color layer is the ceramic coating of nitrogen element, aluminium element, titanium elements composition, the chroma areas that this color layer presents is in the L* coordinate of CIE LAB colour system between 28 to 32, and a* coordinate is between 30 to 45, and b* coordinate is between-2 to 4.
A preparation method for housing, comprises the steps:
Matrix is provided;
Deposit prime coat by multi-arc ion coating method at matrix surface, this prime coat is titanium aluminum alloy layer;
On described prime coat, deposit transition layer by magnetically controlled sputter method, this transition layer is titanium chrome alloy layer;
On described transition layer, color layer is deposited by multi-arc ion coating method, this color layer is the ceramic coating of nitrogen element, aluminium element, titanium elements composition, the chroma areas that this color layer presents in the L* coordinate of CIE LAB colour system between 28 to 32, a* coordinate is between 30 to 45, and b* coordinate is between-2 to 4.
The preparation method of above-mentioned housing forms the described color layer be made up of nitrogen element, aluminium element, titanium elements by multi-arc ion coating method, makes this color layer present stable cherry-red.Above-mentioned housing is because containing titanium elements in color layer, therefore select same titanium aluminum alloy layer containing titanium elements and titanium chrome alloy layer respectively as prime coat and transition layer, utilize between each rete containing identical element and there is good combination, be conducive to the principle of coating growth, make after formation prime coat, be conducive to the growth of subsequent film, and between each rete and between rete and matrix, there is good bonding force.In addition, described transition layer is higher by hardness, the titanium chrome alloy of good corrosion resistance forms, and makes housing have good wear resistance and rotproofness.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of present pre-ferred embodiments housing.
Fig. 2 is the structural representation of vacuum coating film equipment used in the preparation method of present pre-ferred embodiments film-coated part.
Main element nomenclature
| Housing | 10 |
| Matrix | 11 |
| Prime coat | 13 |
| Transition layer | 15 |
| Color layer | 17 |
| Vacuum coating film equipment | 100 |
| Vacuum chamber | 20 |
| Pivoted frame | 30 |
| Vacuum-pumping system | 40 |
| Arc source apparatus | 50 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, the housing 10 of present pre-ferred embodiments comprise matrix 11, the prime coat 13 be formed on matrix 11, the color layer 17 that is formed at the transition layer 15 on prime coat 13 and is formed on transition layer 15.These color layer 17 naked eyes are intuitively in cherry-red.
The material of matrix 11 can be metal, as stainless steel, titanium or titanium alloy etc.
This prime coat 13 is made up of titanium metal and aluminum metal, and it is a titanium aluminum alloy layer.In prime coat 13, the mass percentage of titanium is 30%-40%, and the mass percentage of aluminium is 60%-70%.The thickness of prime coat 13 is approximately 0.2 μm-0.4 μm.
This transition layer 15 is made up of titanium metal and chromium metal, and it is a titanium chrome alloy layer.In transition layer 15, the mass percentage of titanium is 60%-70%, and the mass percentage of chromium is 30%-40%.Transition layer 15, for improving the overall physical properties of housing 10 superficial film, is mainly used in the hardness of raising rete, wear resistance and erosion resistance, increases thicknesses of layers, improves the sticking power of color layer 17 simultaneously.The thickness of transition layer 15 is approximately 0.3 μm-0.5 μm.Transition layer 15 gray, it can not disturb the color of color layer 17.
Described color layer 17 is the ceramic coating of nitrogen, aluminium, titanium elements composition.These color layer 17 naked eyes intuitively present cherry-red, and its chroma areas presented is in the L* coordinate of CIE LAB colour system between 28 to 32, and a* coordinate is between 30 to 45, and b* coordinate is between-2 to 4.In color layer 17, the mass percentage of nitrogen element is 15%-16%, and the mass percentage of aluminium element is 30%-35%, and the mass percentage of titanium elements is 50%-54%.Color layer 17 comprises TiN phase and chromium nitride phase, simultaneously containing a small amount of aluminium titanium symbolic animal of the birth year.The thickness of color layer 17 can be 1.2 μm to 1.5 μm.When the thickness of color layer 17 is less than 1.2 μm, its L* coordinate figure will be greater than 32, a* coordinate figure will be greater than 45, and color is changed to coffee color gradually; When the thickness of color layer 17 is greater than 1.5 μm, its L* coordinate figure will be less than 28, a* coordinate figure will be less than 30, and color is thin out, and rete becomes loose.
Above-mentioned housing 10 is because containing titanium elements in color layer 17, therefore select same titanium aluminum alloy layer containing titanium elements and titanium chrome alloy layer respectively as prime coat and transition layer, utilize between each rete containing identical element and there is good combination, be conducive to the principle of coating growth, make after formation prime coat 13, be conducive to the growth of subsequent film, and between each rete and between rete and matrix 11, there is good bonding force.In addition, described transition layer 15 titanium chrome alloy that is higher by hardness, good corrosion resistance forms, and makes housing 10 have good wear resistance and rotproofness.
Described prime coat 13 and color layer 17 are formed by multi-arc ion coating method, and transition layer 15 is formed by magnetically controlled sputter method.
The making method of the above-mentioned housing 10 of present pre-ferred embodiments, comprises the following steps:
One matrix 11 is provided.The material of matrix 11 can be metal, as stainless steel, titanium or titanium alloy etc.
By multi-arc ion coating this prime coat 13 of surface deposition at matrix 11.
It is join Fig. 2 at a vacuum coating film equipment 100(that multi-arc ion coating deposits this prime coat 13) in carry out.This vacuum coating film equipment 100 is Multi-functional coating device, and it can carry out multi-arc ion coating and magnetron sputtering.This vacuum coating film equipment 100 comprises vacuum chamber 20, is positioned at the pivoted frame 30 of vacuum chamber 20, in order to the vacuum-pumping system 40 that vacuumizes vacuum chamber 20 and several arc source apparatus 50.
When depositing this prime coat 13, matrix 11 is fixed on described pivoted frame 30.Vacuum chamber 20 is vacuumized, simultaneously to vacuum chamber heating, makes pressure in vacuum tank be 3 × 10
-3-8 × 10
-3pa, temperature is 150-200 DEG C.In vacuum chamber 20, be filled with flow is 100-150sccm(standard state ml/min) argon gas.Adopt titanium aluminium composition target (not shown), in this titanium aluminium composition target, the mass content of titanium and aluminium respectively accounts for 50%.Titanium aluminium composition target is applied to the negative bias of 300-400V, the dutycycle arranging grid bias power supply is 50%-65%.Open the power supply controlling composite titanium-aluminum target, and regulate the voltage of power supply to be 20-35V, electric current is 50-70A, and with the prime coat 13 be made up of titanium aluminum alloy described in deposition on matrix 11, depositing time is 5-10 minute.
Then, on described prime coat 13, this transition layer 15 is deposited by magnetron sputtering.This transition layer 15 of magnetron sputtering deposition carries out in described vacuum coating film equipment 100.The matrix 11 being formed with described prime coat 13 is fixed on described pivoted frame 30.Continue vacuumize vacuum chamber 20 and be filled with to vacuum chamber 20 argon gas that flow is 100-200sccm.Adopt magnetic control titanium target and magnetic control chromium target, described magnetic control titanium target and magnetic control chromium target are respectively applied to the negative bias of 200-300V, the dutycycle arranging grid bias power supply is 45%-55%.Open the power supply controlling magnetic control titanium target and magnetic control zirconium target, and regulate the power of magnetic control titanium target to be 6kW-12kW, the power of magnetic control chromium target is 10kW-15kW, and with the transition layer 15 be made up of titanium chrome alloy layer described in deposition on prime coat 13, depositing time is 25-35 minute.
Then, on described transition layer 15, this color layer 17 is deposited by multi-arc ion coating.It is carry out in described vacuum coating film equipment 100 that multi-arc ion coating prepares this color layer 17.The matrix 11 being formed with described prime coat 13 and transition layer 15 is fixed on described pivoted frame 30.Continue vacuumize vacuum chamber 20 and be filled with to vacuum chamber 20 argon gas that flow is 250-300sccm, meanwhile, pass into vacuum chamber 20 nitrogen that flow is 270sccm-320sccm.Adopt titanium aluminium composition target (not shown), in this titanium aluminium composition target, the mass content of titanium and aluminium respectively accounts for 50%.Described titanium aluminium composition target is applied to the negative bias of 80-250V, the dutycycle arranging grid bias power supply is 30%-40%.Open the power supply controlling titanium aluminium composition target, and regulate the voltage of power supply to be 20-35V, electric current is 50-70A, and with the color layer 17 be made up of nitrogen, aluminium, titanium elements described in deposition on transition layer 15, depositing time is 40-50 minute.
When depositing this color layer 17, dutycycle is less than the dutycycle of deposition prime coat 13 and transition layer 15, and dutycycle diminishes, and corresponding sedimentation rate reduces relatively, is conducive to the bonding force improving rete.
Below in conjunction with specific embodiment, the present invention is further elaborated.
Embodiment
The matrix 11 of stainless steel being put into the model that vacuum coating film equipment 100(the present embodiment adopts Beijing Powertech Co., Ltd. to produce is the Multi-functional coating device of ZCK-1900) pivoted frame 30 on, prepare prime coat 13 by multi-arc ion coating.Vacuum chamber 20 is vacuumized, simultaneously to vacuum chamber heating, makes pressure in vacuum tank be 5 × 10
-3pa, temperature is 200 DEG C.In vacuum chamber 20, be filled with flow is 100sccm(standard state ml/min) argon gas.Titanium aluminium composition target is applied to the negative bias of 300V, the dutycycle arranging grid bias power supply is 50%.Open the power supply controlling composite titanium-aluminum target, and regulate the voltage of power supply to be 20V, electric current is 50A, and with the prime coat 13 be made up of titanium aluminum alloy described in deposition on matrix 11, depositing time is 10 minutes.
Then, on described prime coat 13, this transition layer 15 is deposited by magnetron sputtering.Continue vacuumize vacuum chamber 20 and be filled with to vacuum chamber 20 argon gas that flow is 100sccm.Magnetic control titanium target and magnetic control chromium target are respectively applied to the negative bias of 200V, the dutycycle arranging grid bias power supply is 45%.Open the power supply controlling magnetic control titanium target and magnetic control zirconium target, and regulate the power of magnetic control titanium target to be 6kW, the power of magnetic control chromium target is 10kW, and with the transition layer 15 be made up of titanium chrome alloy layer described in deposition on prime coat 13, depositing time is 25 minutes.
Then, on described transition layer 15, this color layer 17 is deposited by multi-arc ion coating.Continue vacuumize vacuum chamber 20 and be filled with to vacuum chamber 20 argon gas that flow is 300sccm, meanwhile, pass into vacuum chamber 20 nitrogen that flow is 280sccm.Titanium aluminium composition target is applied to the negative bias of 250V, the dutycycle arranging grid bias power supply is 40%.Open the power supply controlling titanium aluminium composition target, and regulate the voltage of power supply to be 20V, electric current is 50A, and with the color layer 17 be made up of nitrogen, aluminium, titanium elements described in deposition on transition layer 15, depositing time is 40 minutes.Color layer 17 naked eyes of this enforcement preparation intuitively present cherry-red, and its chroma areas presented be 30, a* coordinate is 35, b* coordinate in the L* coordinate of CIE LAB colour system is 2.The thickness of color layer 17 is approximately 1.25 μm.
Inventive shell 10 can be the housing of the electronic installations such as mobile computer, device for mobile communication, personal digital assistant, or is the housing of other decorative kind products.
The preparation method of described housing 10, by multi-arc ion coating method prime coat 13 and color layer 17, makes prime coat 13 and color layer 17 have good sticking power.
Be appreciated that described prime coat 13 and transition layer 15 also can omit, now, this color layer 17 is formed directly on the surface of matrix 11.
Claims (10)
1. a housing, comprise matrix, it is characterized in that: this housing also comprises the prime coat being formed at this matrix surface, the transition layer being formed at prime coat surface and is formed at the color layer on this transition layer surface, this prime coat is made up of titanium aluminum alloy, this transition layer is made up of titanium chrome alloy, this color layer is the ceramic coating of nitrogen element, aluminium element, titanium elements composition, the chroma areas that this color layer presents in the L* coordinate of CIE LAB colour system between 28 to 32, a* coordinate is between 30 to 45, and b* coordinate is between-2 to 4.
2. housing as claimed in claim 1, it is characterized in that: in this bottoming, the mass percentage of titanium is 30%-40%, and the mass percentage of aluminium is 60%-70%.
3. housing as claimed in claim 1, it is characterized in that: in this transition layer, the mass percentage of titanium is 60%-70%, and the mass percentage of chromium is 30%-40%.
4. housing as claimed in claim 1, is characterized in that: this color layer comprises TiN phase, chromium nitride phase and aluminium titanium symbolic animal of the birth year.
5. housing as claimed in claim 1, is characterized in that: the thickness of this color layer is 1.2 μm to 1.5 μm.
6. a housing, comprise matrix, it is characterized in that: this housing also comprises the color layer being formed at this matrix surface, this color layer is the ceramic coating of nitrogen element, aluminium element, titanium elements composition, the chroma areas that this color layer presents in the L* coordinate of CIE LAB colour system between 28 to 32, a* coordinate is between 30 to 45, and b* coordinate is between-2 to 4.
7. a preparation method for housing, comprises the steps:
Matrix is provided;
Deposit prime coat by multi-arc ion coating method at matrix surface, this prime coat is titanium aluminum alloy layer;
On described prime coat, deposit transition layer by magnetically controlled sputter method, this transition layer is titanium chrome alloy layer;
On described transition layer, color layer is deposited by multi-arc ion coating method, this color layer is the ceramic coating of nitrogen element, aluminium element, titanium elements composition, the chroma areas that this color layer presents in the L* coordinate of CIE LAB colour system between 28 to 32, a* coordinate is between 30 to 45, and b* coordinate is between-2 to 4.
8. the preparation method of housing as claimed in claim 7, is characterized in that: multi-arc ion coating deposits this prime coat and adopts titanium aluminium composition target, and in this titanium aluminium composition target, the mass content of titanium and aluminium is respectively 50%.
9. the preparation method of housing as claimed in claim 7, is characterized in that: this transition layer of magnetron sputtering deposition adopts aluminium target and chromium target.
10. the preparation method of housing as claimed in claim 7, is characterized in that: multi-arc ion coating deposits this color layer and adopts titanium aluminium composition target, and in this titanium aluminium composition target, the mass content of titanium and aluminium is respectively 50%; Employing nitrogen is reactant gases, and argon gas is working gas, and the flow of nitrogen is 270-320sccm, and the flow of argon gas is 250-300sccm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470726.7A CN104582333A (en) | 2013-10-11 | 2013-10-11 | Shell and preparation method thereof |
| TW102137395A TW201522711A (en) | 2013-10-11 | 2013-10-16 | Housing and manufacture method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470726.7A CN104582333A (en) | 2013-10-11 | 2013-10-11 | Shell and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104582333A true CN104582333A (en) | 2015-04-29 |
Family
ID=53097220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310470726.7A Pending CN104582333A (en) | 2013-10-11 | 2013-10-11 | Shell and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104582333A (en) |
| TW (1) | TW201522711A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110876245A (en) * | 2018-08-30 | 2020-03-10 | 苹果公司 | Electronic device with corrosion-resistant coating |
| CN111778477A (en) * | 2020-06-17 | 2020-10-16 | 深圳市裕展精密科技有限公司 | Coated part, electronic equipment and manufacturing method of coated part |
| CN112394439A (en) * | 2019-08-14 | 2021-02-23 | 苹果公司 | Electronic device coatings for reflecting spectrally visible light |
| CN115181945A (en) * | 2021-04-01 | 2022-10-14 | 复盛应用科技股份有限公司 | Method for coating film on golf club head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200724198A (en) * | 2005-12-30 | 2007-07-01 | Advanced Int Multitech Co Ltd | Golf club shaft and coating method of the same |
| TW201224192A (en) * | 2010-12-13 | 2012-06-16 | Metal Ind Res & Dev Ct | Decorative color-generating device and manufacturing method thereof |
| TW201231295A (en) * | 2011-01-27 | 2012-08-01 | Hon Hai Prec Ind Co Ltd | Housing and method for making same |
-
2013
- 2013-10-11 CN CN201310470726.7A patent/CN104582333A/en active Pending
- 2013-10-16 TW TW102137395A patent/TW201522711A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200724198A (en) * | 2005-12-30 | 2007-07-01 | Advanced Int Multitech Co Ltd | Golf club shaft and coating method of the same |
| TW201224192A (en) * | 2010-12-13 | 2012-06-16 | Metal Ind Res & Dev Ct | Decorative color-generating device and manufacturing method thereof |
| TW201231295A (en) * | 2011-01-27 | 2012-08-01 | Hon Hai Prec Ind Co Ltd | Housing and method for making same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110876245A (en) * | 2018-08-30 | 2020-03-10 | 苹果公司 | Electronic device with corrosion-resistant coating |
| US11136672B2 (en) | 2018-08-30 | 2021-10-05 | Apple Inc. | Electronic devices having corrosion-resistant coatings |
| CN115491636A (en) * | 2018-08-30 | 2022-12-20 | 苹果公司 | Electronic device with corrosion-resistant coating |
| CN112394439A (en) * | 2019-08-14 | 2021-02-23 | 苹果公司 | Electronic device coatings for reflecting spectrally visible light |
| US11739425B2 (en) | 2019-08-14 | 2023-08-29 | Apple Inc. | Electronic device coatings for reflecting mid-spectrum visible light |
| CN111778477A (en) * | 2020-06-17 | 2020-10-16 | 深圳市裕展精密科技有限公司 | Coated part, electronic equipment and manufacturing method of coated part |
| CN115181945A (en) * | 2021-04-01 | 2022-10-14 | 复盛应用科技股份有限公司 | Method for coating film on golf club head |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201522711A (en) | 2015-06-16 |
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Application publication date: 20150429 |
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