CN102555338A - Plate with composite coating and portable electronic device using same - Google Patents
Plate with composite coating and portable electronic device using same Download PDFInfo
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- CN102555338A CN102555338A CN2010105787960A CN201010578796A CN102555338A CN 102555338 A CN102555338 A CN 102555338A CN 2010105787960 A CN2010105787960 A CN 2010105787960A CN 201010578796 A CN201010578796 A CN 201010578796A CN 102555338 A CN102555338 A CN 102555338A
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Abstract
A plate with a composite coating is provided, comprising a metal substrate and a composite coating. The composite coating comprises an insulating transparent optical film layer formed on the surface of the metal substrate, and a fingerprint resistant paint layer formed on the surface of the optical film layer. The fingerprint resistant paint layer is applied to removing the undertone of the optical film layer caused by the film interference. The invention further provides a portable electronic device; wherein the plate with the composite coating is used for preparing an appearance product of the electronic device.
Description
Technical field
The present invention relates to a kind of sheet material, relate in particular to a kind of sheet material and a kind of portable electron device that adopts this sheet material with composite deposite.
Background technology
Social now, the use of mobile phone more and more widely makes that the pollution of electromagenetic wave radiation is increasing, and electromagnetic wave not only can influence the normal operation of product itself, also possibly cause the injury of human body.When unwanted voltage or electric current exist and have a strong impact on device merit (property) can the time claim to take place Electromagnetic Interference (Electromagnetic Interference is called for short EMI); Change or the method that overcomes this kind interference is called Electromagnetic Interference control (or counter) (EMIcontrol is called for short EMIC).
With present, the method for the most general strick precaution external electromagnetic wave interference is to increase the electronic product external packing to electromagnetic screening capacity.Metal pair electromagnetic wave with high conductive capability has splendid assimilation effect and reflecting effect.The cell phone appearance part adopts effectively electromagnetic wave shielding of metallization, overcomes electromagnetic interference.Yet cell phone appearance part employing metal material also can be with the electromagnetic shielding of mobile phone signals, so can produce the bad situation of reception again.
Summary of the invention
In view of this, provide a kind of being used for can electromagnetic wave shielding, can prevent again sheet material that reception is bad and a kind of with composite deposite adopt the portable electron device of this sheet material real belong to necessary.
A kind of sheet material with composite deposite comprises a metal base and a composite deposite.Said composite deposite comprise one be formed at the insulation of this metallic substrate surface transparent optical thin layer and be formed at the fingerprint resistant paint layer of this optical thin film laminar surface.Said fingerprint resistant paint layer is used to eliminate the thin layer look that said optical thin film layer produces because of film interference.
A kind of portable electron device comprises appearance component, and said appearance component adopts said sheet material with composite deposite to process.
Than prior art, the base material with sheet material of composite deposite of the present invention is a metal material, so effective electromagnetic wave shielding; In addition, this optical thin film layer and fingerprint resistant paint layer with sheet material of composite deposite is an insulating materials, electromagnetic wave is effectively penetrated, so can prevent that reception is bad; Simultaneously, according to the film interference principle, said fingerprint resistant paint layer can also effectively be eliminated the thin layer look that said optical thin film layer produces because of film interference, so can also keep the metal appearance of sheet material.
Portable electron device of the present invention has adopted said sheet material with composite deposite, so effective electromagnetic wave shielding prevents that reception is bad, and can also keep metal appearance.
Description of drawings
Fig. 1 is the structural representation of the sheet material with composite deposite of first embodiment of the invention.
Fig. 2 is the structural representation of the sheet material with composite deposite of second embodiment of the invention.
Fig. 3 is the sketch map of the portable electron device of third embodiment of the invention.
The main element symbol description
Optical thin film layer 141,241
Fingerprint resistant paint layer 142,242
The specific embodiment
See also Fig. 1, present technique scheme first embodiment provides a kind of sheet material 10 with composite deposite, comprises a metal base 12 and a composite deposite 14.
Said metal base 12 can be a simple metal, like Ni, Cu, Cr, Co, Ag or Au etc., also can be alloy, like stainless steel, aluminium alloy, magnesium alloy, kirsite etc.
Said composite deposite 14 comprise one be formed at the insulation on this metal base 12 surfaces optical thin film layer 141 and be formed at the fingerprint resistant paint layer 142 on these optical thin film layer 141 surfaces.The material of said optical thin film layer 141 can be titanium dioxide, tantalum pentoxide, niobium pentaoxide, alundum (Al, silica or zirconium dioxide etc., and is transparent material.From cost consideration, be preferably silica.Said fingerprint resistant paint layer 142 be transparent macromolecule fingerprint resistant paint (Anti-Fingerprint Panting, AFP).
Said fingerprint resistant paint layer 142 is used to eliminate the thin layer look that the said optical thin film layers 141 that are attached at metal base 12 surface produce because of film interference.Also be; For keeping the metal true qualities of said metal base 12; Can use the film interference principle to calculate the thickness of said optical thin film layer 141 of adjustment and said fingerprint resistant paint layer 142, obtain surface color or identical said sheet material 10 approaching with said metal base 12 colors.
In the present embodiment, the macromolecule fingerprint resistant paint of preferred said fingerprint resistant paint layer 142 for having nanostructured, because of nano material has the porous micro-structural, the generation of the more effective reduction thin layer look of ability.
The color of object is used L-brightness, and a-red green, b-champac look represent, in the present embodiment; Measurement obtains said metal base 12 (No. 304 stainless steels of SUB) color, and (b) value is for (85.75,2.67 for L, a; 6.5), on said metal base 12, only plate the silicon dioxide dielectric film of 600nm thickness, obtain (L, a of said sheet material 10 colors; B) value can find out that for (81.78,3.22,12.02) L, a, the b value of said sheet material 10 colors all has than big-difference with said metal base 12.Change the thickness of silicon dioxide dielectric film on the said metal base 12 into 2200nm, obtain (L, a of said sheet material 10 colors; B) value is (80.01,2.56,6.57); Can find out except the L value, a of said sheet material 10 colors, b value and said metal base 12 are basic identical.On said metal base 12, plate the Al metal film of 3nm thickness earlier, plate the silicon dioxide dielectric film of 2200nm thickness again, obtain (L, a of said sheet material 10 colors; B) value is (85.37,2.65,6.57); Can find out the L of said sheet material 10 colors, a; The L of the color of b value and said metal base 12, a, the b value is corresponding identical or close.
If the color of said metal base 12 be (L1, a1, b1); Color (the L2 that then needs the surface (also being the surface of said sheet material 10) of the base material 12 behind the said composite deposite 14 of plating; A2, value b2) and (L1, a1; B1) identical or approaching, this can calculate the thickness of adjusting said optical thin film layer 141 and said fingerprint resistant paint layer 142 through utilization film interference principle and obtain.The thickness range of preferred said optical thin film layer 141 is at 1700-1900nm, and optimum value is 1900nm, and the thickness range of preferred said fingerprint resistant paint layer 142 is at 1000-1500nm, and optimum value is 1500nm.The generation type of said optical thin film layer 141 can be plated for vacuum, and like sputter, vapor deposition or ion plating, the generation type of said fingerprint resistant paint layer 142 can be spraying.
See also Fig. 2, present technique scheme second embodiment provides a kind of sheet material 20 with composite deposite, comprises a metal base 22 and a composite deposite 24.
Said metal base 22 can be a simple metal, like Ni, Cu, Cr, Co, Ag or Au etc., also can be alloy, like stainless steel, aluminium alloy, magnesium alloy, kirsite etc.
Said composite deposite 24 comprise one be formed at this metal base 22 surfaces metal film layers 243, optical thin film layer 241 and of being formed at the insulation on these metal film layer 243 surfaces be formed at the fingerprint resistant paint layer 242 on these optical thin film layer 241 surfaces.The material of said optical thin film layer 241 can be titanium dioxide, tantalum pentoxide, niobium pentaoxide, alundum (Al, silica or zirconium dioxide etc., and is transparent material.From cost consideration, be preferably silica.The material of said metal film layer 243 can be aluminium, silver, titanium or tungsten etc., and preferably the material of this metal film layer 243 is an aluminium.
Said fingerprint resistant paint layer 142 is used to eliminate the thin layer look that said optical thin film layer 141 produces because of film interference, and said metal film layer 243 is more transparent in order to set off said optical thin film layer 241.Also be; For keeping the metal true qualities of said metal base 12; Can use the film interference principle to calculate the thickness of the said metal film layer of adjustment 243, optical thin film layer 141 and said fingerprint resistant paint layer 142, obtain surface color or identical said sheet material 10 approaching with said metal base 12 colors.
In the present embodiment, the macromolecule fingerprint resistant paint of preferred said fingerprint resistant paint layer 142 for having nanostructured, because of nano material has the porous micro-structural, the generation of the more effective reduction thin layer look of ability.
The color of object is used L-brightness, the a-red green, b-champac look is represented; If the color of said metal surface 221 be (L3, a3, b3); Then need form the surface (also being the surface of said sheet material 20) of the metal base 22 behind the said composite deposite 24 color (L4, a4, value b4) respectively with (L3; A3, b3) equal or approaching, this can calculate the thickness of adjusting metal film layer 243, said optical thin film layer 241 and said fingerprint resistant paint layer 242 through utilization film interference principle and obtain.The thickness of said metal film layer 241 is T, and the scope of preferred thickness T is 0＜T≤5nm.The thickness range of preferred said optical thin film layer 243 is at 1700-1900nm, and the thickness range of preferred said fingerprint resistant paint layer 242 is at 1000-1500nm, and optimum value is 1500nm.The generation type of said metal film layer 243 and said optical thin film layer 241 can be plated for vacuum, and like sputter, vapor deposition or ion plating, the generation type of said fingerprint resistant paint layer 242 can be spraying.
See also Fig. 3; Present technique scheme the 3rd embodiment provides a kind of portable electron device 30; Portable electron device 30 comprises appearance component 32, and the sheet material with composite deposite 10 or 20 that said appearance component 32 adopts above-mentioned first embodiment or second embodiment to disclose is processed, in the present embodiment; Said portable electron device 30 is a mobile phone, and said appearance component 32 is the shell of said portable electron device 30.
Than prior art, the metal base 12,22 of sheet material 10,20 according to the invention is a metal material, so effective electromagnetic wave shielding; In addition, said optical thin film layer 141,241 and fingerprint resistant paint layer 142,242 are insulating materials, and electromagnetic wave is effectively penetrated, so can prevent that reception is bad; Simultaneously, according to the film interference principle, said fingerprint resistant paint layer 142 also can effectively be eliminated said optical thin film layer 141 because of the thin layer look that film interference produces, and makes sheet material 10,20 can also keep the original metallic color and luster outward appearance of metal base 12,22.Portable electron device 30 of the present invention has adopted said sheet material 10,20 with composite deposite, so effective electromagnetic wave shielding prevents that reception is bad, and can also keep metal appearance.
Claims (10)
1. sheet material with composite deposite; Comprise: a metal base and a composite deposite; Said composite deposite comprise one be formed at the insulation of this metallic substrate surface transparent optical thin layer and be formed at the transparent fingerprint resistant paint layer of this optical thin film laminar surface, said fingerprint resistant paint layer is used to eliminate the thin layer look that said optical thin film layer produces because of film interference.
2. the sheet material with composite deposite as claimed in claim 1 is characterized in that, the material of said optical thin film layer is titanium dioxide, tantalum pentoxide, niobium pentaoxide, alundum (Al, silica or zirconium dioxide.
3. the sheet material with composite deposite as claimed in claim 2 is characterized in that, the material of said optical thin film layer is a silica.
4. the sheet material with composite deposite as claimed in claim 1 is characterized in that, said fingerprint resistant paint layer contains nano-macromolecule material.
5. the sheet material with composite deposite as claimed in claim 1 is characterized in that, the thickness range of said optical thin film layer is 1700-1900nm.
6. the sheet material with composite deposite as claimed in claim 1 is characterized in that, the thickness range of said fingerprint resistant paint layer is 1000-1500nm.
7. the sheet material with composite deposite as claimed in claim 1 is characterized in that, said composite deposite comprises that also one is formed at the metal film layer between said metal base and the said optical thin film layer.
8. the sheet material with composite deposite as claimed in claim 7 is characterized in that, the material of said metal film layer is aluminium, silver, titanium or tungsten.
9. the sheet material with composite deposite as claimed in claim 7 is characterized in that, the thickness of said metal film layer is T, and the scope of thickness T is 0＜T≤5nm.
10. a portable electron device comprises appearance component, and said appearance component adopts and processes like each described sheet material with composite deposite of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105787960A CN102555338A (en) | 2010-12-08 | 2010-12-08 | Plate with composite coating and portable electronic device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105787960A CN102555338A (en) | 2010-12-08 | 2010-12-08 | Plate with composite coating and portable electronic device using same |
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| CN102555338A true CN102555338A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105787960A Pending CN102555338A (en) | 2010-12-08 | 2010-12-08 | Plate with composite coating and portable electronic device using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546917A (en) * | 2018-03-22 | 2018-09-18 | 江苏蔚联机械股份有限公司 | A kind of surface treatment method of aluminium alloy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060286370A1 (en) * | 2005-06-21 | 2006-12-21 | Tang-Chia Chiu | Nano protective film structure |
| CN101480862A (en) * | 2008-01-09 | 2009-07-15 | 鑫科材料科技股份有限公司 | Article surface structure and method for producing the same |
| CN101410001B (en) * | 2007-10-10 | 2010-11-17 | 中国钢铁股份有限公司 | Non-metal basis material with surface decoration and electromagnetic wave shield |
| CN101891991A (en) * | 2010-07-08 | 2010-11-24 | 中国科学院宁波材料技术与工程研究所 | High-hardness fingerprint-resistant coating and preparation method thereof |
-
2010
- 2010-12-08 CN CN2010105787960A patent/CN102555338A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060286370A1 (en) * | 2005-06-21 | 2006-12-21 | Tang-Chia Chiu | Nano protective film structure |
| CN101410001B (en) * | 2007-10-10 | 2010-11-17 | 中国钢铁股份有限公司 | Non-metal basis material with surface decoration and electromagnetic wave shield |
| CN101480862A (en) * | 2008-01-09 | 2009-07-15 | 鑫科材料科技股份有限公司 | Article surface structure and method for producing the same |
| CN101891991A (en) * | 2010-07-08 | 2010-11-24 | 中国科学院宁波材料技术与工程研究所 | High-hardness fingerprint-resistant coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546917A (en) * | 2018-03-22 | 2018-09-18 | 江苏蔚联机械股份有限公司 | A kind of surface treatment method of aluminium alloy |
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Application publication date: 20120711 |