CN1549662A - Shell and surface processing method of the same shell - Google Patents
Shell and surface processing method of the same shell Download PDFInfo
- Publication number
- CN1549662A CN1549662A CNA031237800A CN03123780A CN1549662A CN 1549662 A CN1549662 A CN 1549662A CN A031237800 A CNA031237800 A CN A031237800A CN 03123780 A CN03123780 A CN 03123780A CN 1549662 A CN1549662 A CN 1549662A
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- housing
- treatment method
- surface treatment
- metal
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- Elimination Of Static Electricity (AREA)
Abstract
The surface processing method includes surface cleaning to wipe out all foreign matters on the surface, electrical plating to coat metal material on the surface for forming a metal plated film, polishing process to polishe to metal plated film, vacuum coating to coat a transparent insulation material on polished metal plated film. The shell ability of resisting to static electrical discharging is much increased after processing method provided by the present invention applied.
Description
Technical field
The present invention especially is applied to housing and surface treatment method thereof that an electronic equipment has opposing electrostatic breakdown ability about the surface treatment method of a kind of housing and this housing.
Background technology
General electronic equipment; as mobile computer, digital camera, mobile phone; regular meeting is based on the consideration on attractive in appearance; part shell at these electronic equipments adopts the metal material with special shape; in order to by modes such as plating, will have glossiness and be difficult for the metal-plated of corrosion characteristic on this shell.Yet, because under the situation that these electronic equipments are used by the user for a long time, often because of the difference of environment, can make human body with static or other thing with static, conduct static in electronic equipment internal by this shell, and destroy the normal operating conditions of machine or system equipment; Above-mentioned phenomenon is referred to as static discharge, and (electrostatic discharge ESD) destroys.In addition, the human body of walking on carpet can detect under relative humidity (RH) condition with higher and has hundreds of approximately to several kilovolts static, and in the next static that has approximately more than 10,000 volts that detects of the lower situation of relative humidity.So, when these electrified bodies touch electronic equipment casing and when importing this static in the electronic equipment electronic building brick, will be to this electronic building brick discharge, and cause this electronic building brick to lose efficacy.
So, for fear of ESD damage electronic building brick, the software of various opposing ESD and hardware just in response to and give birth to.For improving the ability of electronic equipment opposing static itself, system can be worked under stable status, general manufacturer all can carry out ESD test to its shell before electronic equipment dispatches from the factory, have the ability of certain opposing static to guarantee this electronic equipment.
ESD can be divided into a direct static discharge (Direct ESD) and an indirect static discharge (indirectESD), and wherein directly discharge can divide contact discharge (contact discharge) and air discharge (air discharge) again according to the difference of its discharge mode.Indirectly discharge can be divided into horizontal coupling surface (horizontal couplingplane, HCP) and vertical coupled (vertical coupling plane, VCP).The environment of general ESD test is: temperature is at 15 ℃ to 35 ℃; Relative humidity is between 30% to 60%; Atmospheric pressure (is that 680mbar is between 106Kpa (being 1060mbar) at 68Kpa.Therefore, the ESD test also is to carry out test program according to the mode of static discharge, tests this housing and whether can still can effectively resist static under the situation of various different static discharges.
Summary of the invention
Main purpose of the present invention is to provide a kind of and can effectively blocks ESD and destroy the housing of electronic building brick and handle this surface of shell and the making step that makes this housing have the ability of opposing ESD, to solve the problem that causes electronic equipment to lose efficacy because of ESD.
Main purpose of the present invention be to provide a kind of can be by the housing of ESD test, with and production method.
Housing provided by the present invention system is applied to an electronic equipment, electronic building brick in this electronic equipment is hedged off from the outer world and protects.This housing has a surface, with a vacuum coated (Vacuum Coating) processing the material of one transparent non-conductive insulation is applied on this surface on this surface, makes this housing have the resistivity to ESD.
The surface treatment method of housing provided by the present invention is in order to promote this housing to a static discharge (electrostatic discharge, the ability of opposing ESD).This surface treatment method at first carries out a surperficial peace and quiet processing, in order to a peace and quiet dirt that should the surface had.Then, carry out one and electroplate the coating processing,, form a metal coating in order to a metal material is applied to this surface.Then, carry out a polishing program, in order to polish this metal coating.Then, carry out a vacuum coated (Vacuum Coating) and handle, be applied on this metal coating after the polishing in order to material with transparent non-conductive insulation.At last, carry out a conductive test program, have resistivity this static discharge in order to the surface of determining this housing.
Description of drawings
Fig. 1 has carried out the schematic perspective view of surface-treated housing for the present invention; And
Fig. 2 is the flow chart of surface treatment method of the present invention.
Embodiment
See also Fig. 1, Fig. 1 has carried out the schematic perspective view of surface-treated housing 10 for the present invention.Housing 10 is to be applied to an electronic equipment (not illustrating) and to have a surface 12.Housing 10 generally is made into button, square frame or bar of tool special shape or the like, and moulded according to this electronic equipment, and is installed in this electronic equipment certain location.
For asking this electronic equipment more can highlight distinguished moulding, and make these shells 10 outer surfaces have wet look, therefore considering that condition of cost lower house 10 will adopt metal, and electroplating coating by one handles, in order to a metal material is applied on the surface 12 of housing 10, form a metal coating 14, make housing 10 have the outer surface of light.It is that this housing 10 is carried out in the solvent of this metal material of dissolving that this plating coating is handled.This metal material is one ornamental (decorative) metal, and can be metals such as zinc, nickel, aluminium and cadmium.
Generally before this electroplates the coating processing, can carry out a surperficial peace and quiet processing earlier, in order to a peace and quiet dirt that on surface 12, is had, surface 12 after feasible plating is finished is comparatively smooth, can be because of this dirt not being arranged on 12 in the surface, and cause electroplating finish after the uneven face that caused of this metal material skewness on the surface 12 of housing 10.Dirt is meant organic substance or inorganic matter.
Electroplate after coating handles in this, for making the surface 12 of housing 10 have more light, and carry out a polishing program.
Yet, since the user will be regular touch the housing 10 that this class has conductor metal, so when a finger that has static touches the surface 12 of housing 10, static will conduct to housing 10 inside by this housing 10 by the external world, and this electronic equipment discharged, and then destroy electronic building brick in this electronic equipment.Therefore, after the polishing program, carry out a vacuum coated (Vacuum Coating) and handle, be applied on the metal coating 14 after the polishing in order to material 16 with a transparent electric insulation.The material 16 of transparent electric insulation is a resin.It is that the mode that adopts a vacuum heat deposition (VacuumThermal Deposition), a vacuum sputtering (Vacuum Sputtering) or a vacuum heat deposition and a vacuum sputtering to walk abreast is carried out that vacuum coated is handled.So processing mode of the present invention makes housing 10 effectively be blocked ESD, avoids electronic building brick destroyed, to solve the problem that causes electronic equipment to lose efficacy because of ESD.
In addition, general manufacturer all can carry out ESD test to its shell before electronic equipment dispatches from the factory, have the ability of certain opposing static to guarantee this electronic equipment.Therefore, after this vacuum coated is handled, carry out a conductive test program, have resistivity this static discharge in order to the surface 12 of determining this housing 10.And this conductive test program satisfies the requirement (degree of this resistivity because of customer requirement different) of the standard of IEC61000-4-2 to the resistivity of this static discharge at least.Therefore, by processing mode of the present invention, provided a kind of can be by housing 10 and its electronic equipment of ESD test.
See also Fig. 2, the flow chart of Fig. 2 surface treatment method of the present invention.Comprehensive the above, surface 12 processing methods that the present invention is carried out on the surface 12 of housing 10, at first execution in step 30, and carry out a surperficial peace and quiet processing, in order to peace and quiet this dirt that should surface 12 be had, make following step smooth.Then, execution in step 32, this step are to carry out one to electroplate the coating processing, make in order to a metal material is applied to this surface 12, and form a metal coating 14, therefore, this moment, housing 10 had the outer surface of light.Then, step 34 is to carry out a polishing program, makes that housing 10 outer surfaces that had metal coating 14 are further bright.Then, carry out step 36, this step is to carry out a vacuum coated (Vacuum Coating) to handle, and is applied on this metal coating 14 after the polishing in order to the material 16 with a transparent electric insulation, and makes housing 10 can block ESD effectively.At last, execution in step 38 is carried out a conductive test program, has resistivity to this static discharge in order to the surface 12 of determining this housing 10, and makes housing 10 test by ESD.
Claims (15)
1, a kind of surface treatment method of housing, to promote its ability to the opposing of static discharge, this housing is applied to an electronic equipment and has a surface, and this static discharge is to be undertaken by this electronic equipment of outer bound pair, and this method comprises the following step:
One surperficial peace and quiet processing, a peace and quiet dirt that should the surface had;
One electroplates coating handles, and a metal material is applied to this surface, forms a metal coating;
One polishing program is polished this metal coating; And
One vacuum coated is handled, and the material of a transparent electric insulation is applied on this metal coating after the polishing.
2, surface treatment method as claimed in claim 1 is characterized in that, after this vacuum coated is handled, also comprises a conductive test program, and the surface of determining this housing has the resistivity to this static discharge.
3, surface treatment method as claimed in claim 1 is characterized in that, this dirt is organic substance or inorganic matter.
4, surface treatment method as claimed in claim 1 is characterized in that, it is that this housing is carried out in the solvent of this metal material of dissolving that this plating coating is handled.
5, surface treatment method as claimed in claim 1 is characterized in that, this metal material is a decorative metals.
6, surface treatment method as claimed in claim 1 is characterized in that, this decorative metals can be zinc, nickel, aluminium or cadmium.
7, surface treatment method as claimed in claim 1 is characterized in that, the material of this transparent electric insulation is a resin.
8, surface treatment method as claimed in claim 1 is characterized in that, it is the mode that adopts a vacuum heat deposition that this vacuum coated is handled.
9, surface treatment method as claimed in claim 1 is characterized in that, it is the mode that adopts a vacuum sputtering that this vacuum coated is handled.
10, surface treatment method as claimed in claim 1 is characterized in that, it is to adopt a vacuum heat deposition and the parallel mode of a vacuum sputtering that this vacuum coated is handled.
11, surface treatment method as claimed in claim 2 is characterized in that, this conductive test program satisfies the requirement of the standard of IEC61000-4-2 to the resistivity of this static discharge at least.
12, a kind of housing with opposing electrostatic discharge capacity is applied on the electronic equipment, and this housing is a metal shell, is coated with the metal-plated rete on the surface of this housing, is coated with electrical insulation material layer on this metal-plated rete.
13, housing as claimed in claim 12 is characterized in that, the material of this metal-plated rete is zinc, nickel, aluminium or cadmium.
14, housing as claimed in claim 12 is characterized in that, this electrical insulation material layer is a hyaline layer.
15, housing as claimed in claim 14 is characterized in that, the material of this electrical insulation material layer is a resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123780 CN1269386C (en) | 2003-05-20 | 2003-05-20 | Shell and surface processing method of the same shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123780 CN1269386C (en) | 2003-05-20 | 2003-05-20 | Shell and surface processing method of the same shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1549662A true CN1549662A (en) | 2004-11-24 |
| CN1269386C CN1269386C (en) | 2006-08-09 |
Family
ID=34321460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03123780 Expired - Fee Related CN1269386C (en) | 2003-05-20 | 2003-05-20 | Shell and surface processing method of the same shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1269386C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639865A (en) * | 2019-01-15 | 2019-04-16 | 广东长盈精密技术有限公司 | The surface treatment method and mobile phone battery cover of mobile phone battery cover |
-
2003
- 2003-05-20 CN CN 03123780 patent/CN1269386C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639865A (en) * | 2019-01-15 | 2019-04-16 | 广东长盈精密技术有限公司 | The surface treatment method and mobile phone battery cover of mobile phone battery cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1269386C (en) | 2006-08-09 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060809 Termination date: 20170520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |