CN105530784B - A kind of communication apparatus metal shell - Google Patents
A kind of communication apparatus metal shell Download PDFInfo
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- CN105530784B CN105530784B CN201410829098.1A CN201410829098A CN105530784B CN 105530784 B CN105530784 B CN 105530784B CN 201410829098 A CN201410829098 A CN 201410829098A CN 105530784 B CN105530784 B CN 105530784B
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Abstract
The invention discloses a kind of communication apparatus metal shell, described communication apparatus metal shell includes metal substrate, run through the slit of one or more of described metal substrate, it is formed at the plastic support layer of described metal substrate inner surface and is formed at the decorative layer of described metal substrate outer surface, it is characterized in that, described slit width on described metal substrate outer surface is 15 500 μm, described slit width on described metal substrate inner surface is 20 600 μm, and the ratio of the width that described slit is on described metal substrate inner surface and described slit width on described metal substrate outer surface is 1.05 1.5:1.In accordance with the invention it is possible to provide a kind of slit tapering less, be more beneficial for that electromagnetic signal is passed through and that there is integrated effect in appearance communication apparatus metal shell.
Description
Technical field
The present invention relates to a kind of communication apparatus metal shell.
Background technology
Along with the development of metalworking technology, the mobile communication equipment such as mobile phone, panel computer, increasingly incline
To select metal shell, the most large-area metal shell, but electromagnetic wave can not penetrating metal, for
Reach good signal of telecommunication effect, when using metal shell, need to process on shell wall scroll or a plurality of narrow
Seam, and by Antenna Design at slit.
The method of existing processing slit mainly uses the laser that green glow equiwavelength is shorter to perform etching
Metal base is peeled off by method layer by layer, and the method working (machining) efficiency is low, and due to depth of focus problem without
The metal base (being at best able to accomplish 0.4mm) that method processing is thick, the product strength of processing gained is low.Separately
Outer the method need to repeat to process and repeatedly could be cut through by base material, and the galvanometer high-velocity scanning controlling laser path has
Certain precision, reprocessabilty repeatedly can cause reducing and the prolongation of process time of machining accuracy.And this
The slit that the mode of kind is processed has bigger tapering, and upper surface is relatively big, and lower surface is less.Ensureing upper surface
In the case of seam width, lower surface may affect passing through of electromagnetic signal.
Summary of the invention
It is an object of the invention to provide a kind of slit tapering less, be more beneficial for electromagnetic signal and pass through
And the communication apparatus metal shell in appearance with integrated effect.
To achieve these goals, the present invention provides a kind of communication apparatus metal shell, described communication apparatus
Metal shell include metal substrate, the slit of one or more running through described metal substrate, be formed at described
The plastic support layer of metal substrate inner surface and be formed at the decorative layer of described metal substrate outer surface, its
In, described slit width on described metal substrate outer surface is 15-500 μm, and described slit is in institute
Stating the width on metal substrate inner surface is 20-600 μm, and described slit table in described metal substrate
Width on face is 1.05-1.5 with the ratio of described slit width on described metal substrate outer surface:
1。
Communication apparatus metal shell according to the present invention, its slit upper and lower surface does not substantially have tapering, can protect
The seam width on card (inside and outside) surface up and down does not all interfere with passing through of electromagnetic wave, it is simple to communication.It addition, it is logical
Cross the covering of surface decoration layer, it is achieved at shell slit, naked eyes are invisible such that it is able to ensure metal shell
There is integrated effect in appearance, and this casing appearance can be made to be rendered as all-metal texture.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
In the present invention, described communication apparatus can be such as: mobile phone, panel computer, notebook computer
Or bluetooth earphone etc..
In the present invention, when the inner surface of described metal shell is defined as using it in communication apparatus, gold
Belong to shell towards the surface within communication apparatus.It is understood that the outer surface of metal shell is defined as
When using it in communication apparatus, metal shell is towards extraneous surface.It addition, be used for preparing outside metal
The surfaces externally and internally of the metal substrate of shell is also applied for above-mentioned definition.
In the present invention, described " cut " the high power density laser Shu Zhao referring to utilize line focus
Penetrate workpiece, make irradiated material melt rapidly, vaporize, ablation or reach burning-point, simultaneously by with light
Restraint coaxial high velocity air and blow down melt substance, thus realize cutting open workpiece.
In the present invention, the material of described metal substrate can be commonly used in the art for communication apparatus each
Plant metal, such as, can be aluminium alloy, rustless steel, magnesium alloy or titanium alloy etc..
The communication apparatus metal shell that the present invention provides includes metal substrate, runs through the one of described metal substrate
More than bar slit, it is formed at the plastic support layer of described metal substrate inner surface and is formed at described gold
Belonging to the decorative layer of ground outer surface, wherein, described slit width on described metal substrate outer surface is
15-500 μm, described slit width on described metal substrate inner surface is 20-600 μm, and described
Slit width on described metal substrate inner surface and described slit are on described metal substrate outer surface
The ratio of width be 1.05-1.5:1.
In the present invention, described slit is for ensureing antenna and the transmission of extraneous signal, it is achieved communication.
In order to more effectively realize communication, the most described slit is on described metal substrate outer surface
Width is 15-200 μm, and described slit width on described metal substrate inner surface is 20-250 μm,
And the width that described slit is on described metal substrate inner surface with described slit outside described metal substrate
The ratio of the width on surface is 1.05-1.4:1.It is highly preferred that described slit is outside described metal substrate
Width on surface is 15-200 μm, and described slit width on described metal substrate inner surface is
20-220 μm, and the width that described slit is on described metal substrate inner surface and described slit are at described gold
The ratio belonging to the width on ground outer surface is 1.1-1.35:1..
According to the present invention, by making described slit at the width of surfaces externally and internally and width ratio in above-mentioned scope
In, thus realize slit upper and lower surface and substantially there is no tapering, it is possible to advantageously passing through in signal, just
In communication.
Additionally, described slit length can be 0.1-500mm, preferably 10-150mm；Adjacent two
Spacing between gap can be 0.1-10mm, preferably 0.3-1.6mm.It addition, the bar number of slit and
There is no particular limitation for shape, as long as being capable of communication.The bar number of such as slit can be 1-200
Bar, preferably 5-50 bar；The shape of slit can be that linear, shaped form, square wave be linear or sawtooth
Linear, preferably linear.
In the present invention, the thickness of described plastic support layer can be the general thickness of this area, such as institute
The thickness stating plastic support layer can be 0.1-2mm, preferably 0.4-1.1mm.
According to the present invention, there is no particular limitation for the thickness of described metal substrate, and those skilled in the art can
Suitably to select according to concrete communication apparatus.The thickness of the most described metal substrate is
0.2-2mm, preferably 0.6-1.2mm.
According to the present invention, the material forming described plastic support layer is preferably resin, and described resin is selected from
Polyethylene, polypropylene, polyacetals, polystyrene, Noryl, polyethylene terephthalate,
Polybutylene terephthalate (PBT), poly-naphthalenedicarboxylic acid ethylene glycol, polyphenylene sulfide, polyimides, polyamide
Acid imide, Polyetherimide, polysulfones, polyether sulfone, polyether-ketone, polyethers ether magnesium, Merlon, polyamides
One or more in amine and acrylonitrile-butadiene-styrene copolymer.
In order to improve the mechanical strength of the metal shell obtained further, more preferably form described plastic support
The mixture that material is above-mentioned resin and glass fibre of layer.It is further preferred that in said mixture,
The most described resin is selected from polyethylene terephthalate, polyphenylene sulfide, Merlon, polyamide
In one or more；On the basis of the weight of described mixture, the content of described glass fibre is 1-50
Weight %, more preferably 20-40 weight %.
Additionally, as the forming method of described plastic support layer, preferably by described metal substrate
It is molded above-mentioned resin or resin and the mixture of glass fibre on surface and is formed.
According to the present invention, described communication apparatus metal shell also includes the decoration being positioned at metal substrate outer surface
Layer.
Can be by electrophoresis, differential arc oxidation, anodic oxidation, hard anode and spray as above-mentioned decorative layer
The decorative layer that one or more in painting are formed.
According to the present invention, to the thickness of described decorative layer, there is no particular limitation, can be the normal of this area
Rule thickness.The thickness of the most described decorative layer can be 5-60 μm.
The communication apparatus metal shell of the present invention can be prepared by following method.Described method includes
Following steps:
1) cut on metal substrate by laser, formed and run through described metal substrate surfaces externally and internally
Slit；
2) the inner surface casting resin to metal substrate；
3) decorative layer is formed at metal substrate outer surface；
According to the present invention, the thickness of described metal substrate can be 0.2-2mm.Further, since by making
With sufficiently thick metal substrate, it can be ensured that during cut forms slit, metal substrate becomes
Shape, and can ensure that metal substrate have enough intensity can carry out follow-up injection, mechanical treatment (as
Polishing, polishing, sandblasting etc.) and incrustation.Preferably, the thickness of described metal substrate is 0.6-1.2mm.
According to the present invention, need to be formed the slit of one or more on the metal substrate of described metal shell.
Described slit can effectively ensure antenna and the transmission of extraneous signal, it is achieved communication.In the present invention, logical
Cross laser to cut on metal substrate, thus formed and run through the narrow of described metal substrate surfaces externally and internally
Seam.
As long as the width for described slit is capable of communication, but from being further able to raising communication
Effect aspect considers, the most described slit width on described metal substrate outer surface is
15-500 μm, described slit width on described metal substrate inner surface is 20-600 μm, and described
Slit width on described metal substrate inner surface and described slit are on described metal substrate outer surface
The ratio of width be 1.05-1.5:1；The most described slit width on described metal substrate outer surface
Degree is 15-200 μm, and described slit width on described metal substrate inner surface is 20-250 μm, and
Described slit width on described metal substrate inner surface and described slit are in described metal substrate appearance
The ratio of the width on face is 1.05-1.4:1；Further preferred described slit is in described metal substrate appearance
Width on face is 15-200 μm, and described slit width on described metal substrate inner surface is
20-220 μm, and the width that described slit is on described metal substrate inner surface and described slit are at described gold
The ratio belonging to the width on ground outer surface is 1.1-1.35:1.
Additionally, described slit length can be 0.1-500mm, preferably 10-150mm；Adjacent two
Spacing between gap can be 0.1-10mm, preferably 0.3-1.6mm.It addition, the bar number of slit and
There is no particular limitation for shape, as long as being capable of communication.The bar number of such as slit can be 1-200
Bar, preferably 5-50 bar；The shape of slit can be that linear, shaped form, square wave be linear or sawtooth
Linear, preferably linear.
According to the present invention, in order to obtain the slit in the range of above-mentioned slit width, the most described cut
Condition be: working power is 20-500W, and process velocity is 2-50mm/s, and frequency is 0.5-5kHz；
The condition of the most described cut is: working power is 40-250W, and process velocity is 5-30mm/s,
Frequency is 1.2-3kHz；The condition of cut described further is: working power is 40-200W, adds
Work speed is 10-30mm/s, and frequency is 1.2-3kHz.
In the present invention, the wavelength of described laser can be 1060-1080nm；Be preferably 1064nm or
1080nm。
According to the present invention, owing to laser cutting process using coaxial air blowing, it is possible to by residue by metal bottom
Material lower surface is discharged, and prevents slit areas from again turning on.
According to the present invention, owing to directly being formed described slit on metal substrate by cut, can make
The residue of cutting is discharged by metal substrate lower surface, prevents slit areas from again turning on.And by above-mentioned bar
The slit of part processing gained, upper and lower surface does not has tapering substantially, it can be ensured that the slit width of upper and lower surface will not
Affect passing through of electromagnetic wave.
According to the present invention, the method for described casting resin can use routine injection molding forming method, such as,
Injection moulding process is for penetrating pressure 1600-2400bar, pressurize 800-1400bar, and when using oil temperature machine, upper and lower mould temperature is
80-150 DEG C, the injection time is 0.5-2s.
The material used during above-mentioned injection can be resin commonly used in the art, the most optional autohemagglutination second
Alkene, polypropylene, polyacetals, polystyrene, Noryl, polyethylene terephthalate, poly-
Mutual-phenenyl two acid bromide two alcohol ester, poly-naphthalenedicarboxylic acid ethylene glycol it, polyphenylene sulfide, polyimides, polyamide
Acid imide, Polyetherimide, polysulfones, polyether sulfone, polyether-ketone, polyethers ether magnesium, Merlon, polyamides
One or more in amine and acrylonitrile-butadiene-styrene copolymer.
In order to improve the mechanical strength of the metal substrate obtained further, under preferable case, use during injection
The mixture that material is above-mentioned resin and glass fibre.In the case of more preferably, in said mixture, institute
State one or more in polyphenylene sulfide, Merlon and polyamide of resin；With described mixture
On the basis of weight, the content of described glass fibre is 1-50 weight %, more preferably 20-40 weight %.
According to the present invention, in order to improve the aesthetic measure of metal shell, form dress at metal substrate outer surface
Decorations layer.Described decorative layer can use the conventional method of this area and condition to carry out, such as can be by electricity
One or more in swimming, differential arc oxidation, anodic oxidation, hard anode and spraying form described decorative layer.
Thickness for above-mentioned decorative layer can change in a big way, under preferable case, and described decorative layer
Thickness be 5-60 μm.Decorative layer can be existing various electronic product casing decorative layer, such as may be used
Think the one in alumina layer, epoxy coating, acrylic resin coating.
In the present invention, anode oxidation method can be used to form described decorative layer, described anodic oxidation condition can
With condition known in the field, such as, can be: the sulphuric acid using concentration as 150-210g/L as tank liquor,
Voltage is 10-15V, and electric current density is 1-2A/dm2, temperature is 10-22 DEG C, and anodizing time is
20-60min, liquor of hole-sealing tank (composition for example, NiSO4Aqueous solution) concentration is 1-10g/L, sealing of hole temperature
Degree is for 50-95 DEG C, and the sealing of hole time is 10-50min.The decorative layer formed by above-mentioned anode oxidation method
Thickness is usually 10-30 μm.
Or, it is possible to forming described decorative layer by differential arc oxidation method, described differential arc oxidation condition is permissible
Condition known in the field, such as, can be: pH is 6-12 that voltage is 0-800V, electric current density
For 1-10A/dm2, temperature is 15-60 DEG C, and the time is 10-60min, and liquor of hole-sealing tank is water, sealing of hole temperature
Degree is for 70-90 DEG C, and the sealing of hole time is 1-10min.The decoration thickness formed by above-mentioned differential arc oxidation method
Degree usually 10-50 μm.
Or, forming described decorative layer by electrophoresis, described deposition condition can bar known in the field
Part, can be such as: ability cathode electrophoresis: voltage be 20-60V, pH be 4-6, temperature is 15-30 DEG C,
Time is 20-60s；Anodic electrophoresis: voltage be 40-100V, pH be 6-8, temperature is 15-30 DEG C,
Time is 40-90s；Baking temperature is 120-200 DEG C, and baking time is 30-60min.By above-mentioned electricity
The decorative layer thickness that swimming method is formed is usually 5-35 μm.
Or, forming described decorative layer by spraying, described spraying conditions can bar known in the field
Part, can be such as: electrostatic high-pressure: 60-90kV；Electrostatic induced current: 10-20 μ A；Velocity pressure:
0.3-0.55Mpa；Atomizing pressure: 0.33-0.45Mpa；Transporting velocity: 4.5-5.5m/min；Solidification temperature:
150-220℃；Hardening time: 20-120min.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) slit is formed by cut
By aluminium alloy, (being purchased from Dongguan City port ancient sacrificial bronze ware and belong to Materials Co., Ltd, the trade mark is 6063, and thickness is
0.8mm) it is cut into the size of 15mm x 80mm as metal substrate.Use laser cutting machine (China
The model that work laser produces is LSF20 laser instrument, wavelength 1064nm) on metal substrate, process slit,
Wherein, the power of Laser Processing is 60W, and speed is 20mm/s, and frequency is 1.5kHz, process time
For 6s, obtain offering the metal substrate A11 of slit.In obtained metal substrate A11, described
Slit width on described metal substrate outer surface is 50 μm, and described slit is in described metal substrate
Width on surface is 60 μm, and slit processing bar number is 6, a length of 10mm of slit, slit
Spacing is 0.6mm.It addition, the slit course of processing does not has clogging.
2) injection
Above-mentioned metal substrate carries out oil removing, washing processes and removes superficial stain and oil stain, afterwards at 80 DEG C
Dry 20min, obtain the metal substrate A12 after cleaning, drying.Above-mentioned metal substrate A12 is put into
In mould, polyphenylene sulfide is used to be molded.Injecting condition is: penetrate pressure 1800bar, pressurize
1000bar, when using oil temperature machine, upper and lower mould temperature is 100 DEG C, and the injection time is 1.5s, forms plastics and props up
Support layer (thickness is 1mm), thus obtain the metal substrate A13 with plastic support layer.
3) anode oxidation method is used to form surface decoration layer
Above-mentioned metal substrate A13 is carried out alkaline etching, washing, pickling, washing process, immerses afterwards and fill
Concentration is the H of 180g/L2SO4In the electrolysis bath of aqueous solution, using metal substrate A13 as anode, no
Rust steel plate, as negative electrode, is 15V at voltage, and electric current density is 1A/dm2, temperature be the condition of 19 DEG C
Anodic oxygen 40min, takes out after completing anodic oxidation and ultrasonic waves for cleaning is clean, it is to avoid gap is built-in
Acid affects follow-up coloring.Now, the complete decorated layer in gap is filled and is covered, and naked eyes are invisible.
Acid dye liquor is immersed (purchased from wild industry processed industry difficult to understand through anodised metal substrate A13 by above-mentioned
Co., Ltd., dyestuff model is TAC BLACK-SLH) middle dyeing 10min, this acidity dye liquor concentration
For 5g/L, pH value is 5.5, and the temperature of described dye liquor is 50 DEG C, takes out and clean up after completing.
Then at hole sealing agent (NiSO4Aqueous solution, concentration is 10g/L) middle dipping 20min, temperature is
95 DEG C, clean up with the pure water of 90 DEG C after completing sealing of hole, and under the conditions of 60 DEG C, toast 15min.
Obtain the decorative layer that thickness is 20 μm.Finally give the communication apparatus metal with surfacing decorative layer
Shell A14.
Embodiment 2
1) slit is formed by cut
By aluminium alloy, (being purchased from Dongguan City port ancient sacrificial bronze ware and belong to Materials Co., Ltd, the trade mark is 6063, and thickness is
0.8mm) it is cut into the size of 15mm x 80mm as metal substrate.Use laser cutting machine (China
The model that work laser produces is LSF20 laser instrument, wavelength 1064nm) on metal substrate, process slit,
Wherein, the power of Laser Processing is 40W, and speed is 30mm/s, and frequency is 3kHz, and process time is
4s, obtains offering the metal substrate A21 of slit.In obtained metal substrate A21, described narrow
The width being sewn on described metal substrate outer surface is 15 μm, and described slit is table in described metal substrate
Width on face is 20 μm, and slit processing bar number is 6, and a length of 10mm of slit, between slit
Away from for 0.6mm.It addition, the slit course of processing does not has clogging.
2) injection
According to embodiment 1 step 2) method obtain the metal substrate A23 with plastic support layer.
3) differential arc oxidation method is used to form incrustation coating.
Metal substrate A23 is carried out ungrease treatment, immerses micro-arc oxidation electrolyte (composition and composition afterwards
For: sodium hexameta phosphate 40g/L, sodium silicate 8g/L, ammonium metavanadate 12g/L) in, with this metal substrate
A23 as negative electrode, is 0-600V at voltage as anode, corrosion resistant plate, and electric current density is 5A/dm2,
Temperature be 25 DEG C under conditions of differential arc oxidation 40min, after completing, taking-up pure water cleans up.Obtain micro-
Metal substrate A23 after arc oxidation.Now, slit is filled by micro-arc oxidation films cover completely, and surface is narrow
Seam is without feel.
Metal substrate A23 after above-mentioned differential arc oxidation is immersed in the hot pure water that temperature is 85 DEG C and closes
5min, then takes out and dries up.Obtain the communication apparatus gold with the surfacing decorative layer of 35 μ m thick
Belong to shell A24.
Embodiment 3
1) slit is formed by cut
By aluminium alloy, (being purchased from Dongguan City port ancient sacrificial bronze ware and belong to Materials Co., Ltd, the trade mark is 6063, and thickness is
0.8mm) it is cut into the size of 15mm x 80mm as metal substrate.Use laser cutting machine (China
The model that work laser produces is LSF20 laser instrument, wavelength 1064nm) on metal substrate, process slit,
Wherein, the power of Laser Processing is 200W, and speed is 10mm/s, and frequency is 1.2kHz, adds man-hour
Between be 12s, obtain offering the metal substrate A31 of slit.In obtained metal substrate A31,
Described slit width on described metal substrate outer surface is 200 μm, and described slit is in described metal bottom
Width on material inner surface is 220 μm, and slit processing bar number is 6, a length of 10mm of slit,
Slit separation is 0.6mm.It addition, the slit course of processing does not has clogging.
2) injection
According to embodiment 1 step 2) method obtain the metal substrate A33 with plastic support layer.
3) electrophoresis method is used to form surface decoration layer
Metal substrate A33 carries out alkaline etching, washing, pickling and washing process, put into as negative electrode afterwards
Electrophoretic paint (acrylic resin (being purchased from clear water Co., Ltd.) is dissolved in water in colloidal form and obtains,
Acrylic acid content is 10 weight %) in, it is 4.5 at cathode electrodip painting pH, temperature is 23 DEG C, electricity
Under conditions of pressure is for 35V, electrophoresis 120s, surface forms electrophoretic coating.Afterwards, above-mentioned base material is put
Enter and clear water embathes 120s, remove coating surface residual liquid.Obtain the metal shell after electrophoretic painting.Now,
Gap is covered by electrophoretic coating completely, and surface gaps naked eyes are invisible.Finally, above-mentioned base material is put into temperature
Degree is in the baking oven of 175 DEG C, toasts 50min, after baking-curing, obtains having 30 μ m thick
The communication apparatus metal shell A34 of electrophoretic coating of surfacing.
Embodiment 4
Carry out according to the method for embodiment 1, except for the difference that, step 1) be: aluminium alloy (is purchased from east
Guan Shi port ancient sacrificial bronze ware belongs to Materials Co., Ltd, and the trade mark is 6063, and thickness is 2mm) it is cut into 15mm x
The size of 80mm is as metal substrate.(model that Chinese workers' laser produces is to use laser cutting machine
The laser cutting machine of LCF200CI, wavelength is 1080nm) processing slit on metal substrate, wherein,
The power of Laser Processing is 250W, and speed is 5mm/s, and frequency is 1.2kHz, and process time is 24s,
Obtain offering the metal substrate A41 of slit.In obtained metal substrate A41, described slit exists
Width on described metal substrate outer surface is 50 μm, and described slit is on described metal substrate inner surface
Width be 70 μm, slit processing bar number be 6, a length of 10mm of slit, slit separation is
0.6mm.Thus, the communication apparatus metal shell A44 finally given has surfacing decorative layer.Separately
Outward, the slit course of processing do not has clogging.
Comparative example 1
Carry out according to the method for embodiment 1, except for the difference that, step 1) be: aluminium alloy (is purchased from east
Guan Shi port ancient sacrificial bronze ware belongs to Materials Co., Ltd, and the trade mark is 6063, and thickness is 0.4mm) it is cut into 15mm x
The size of 80mm is as metal substrate.(model that decent job science and technology produces is to use ultraviolet laser drilling machine
The Ultra-Violet Laser machine of JG12, wavelength 355nm) on metal substrate, carry out slit processing, wherein, swash
The power of light punching is 1.5W, and speed is 300mm/s, and frequency is 15kHz, and process time is 10min,
Obtain offering the metal substrate D11 of slit.In obtained metal substrate D11, described slit exists
Width on described metal substrate outer surface is 15 μm, and described slit is on described metal substrate inner surface
Width be 5 μm, slit processing bar number be 6, a length of 10mm of slit, slit separation is
0.6mm.Additionally, the communication apparatus metal shell D14 finally given.It addition, in slit processing,
After machined 10min, clogging or it is obvious that and due to long-time reprocessabilty, metal bottom
Material is integrated with gross distortion, and the decorative layer of the metal shell obtained has uneven.
By above-described embodiment and comparative example, the slit of the communication apparatus metal shell of the present invention leads to
Thoroughly, without clogging, slit upper and lower surface tapering is less, is more beneficial for passing through of electromagnetic signal, and
The decorative layer of the metal shell obtained is smooth, does not has uneven, has integrated effect in appearance.
On the other hand, comparative example 1 after machined 10min, clogging or it is obvious that and due to length
Time reprocessabilty, metal substrate is integrated with gross distortion, and the decorative layer of the metal shell obtained has recessed
Convex injustice, and, slit upper and lower surface tapering is relatively big, is unfavorable for passing through of electromagnetic signal.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, can be to the technical side of the present invention
Case carries out multiple simple variant, and these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a communication apparatus metal shell, described communication apparatus metal shell includes metal substrate, passes through
Wear the slit of one or more of described metal substrate, be formed at the plastic support of described metal substrate inner surface
Layer and be formed at the decorative layer of described metal substrate outer surface, it is characterised in that described slit is described
Width on metal substrate outer surface is 15-500 μm, and described slit is on described metal substrate inner surface
Width be 20-600 μm, and the width that described slit is on described metal substrate inner surface is narrow with described
The ratio being sewn on the width on described metal substrate outer surface is 1.05-1.5:1.
Communication apparatus metal shell the most according to claim 1, wherein, described slit is described
Width on metal substrate outer surface is 15-200 μm, and described slit is on described metal substrate inner surface
Width be 20-250 μm, and the width that described slit is on described metal substrate inner surface is narrow with described
The ratio being sewn on the width on described metal substrate outer surface is 1.05-1.4:1.
Communication apparatus metal shell the most according to claim 2, wherein, described slit is described
Width on metal substrate outer surface is 15-200 μm, and described slit is on described metal substrate inner surface
Width be 20-220 μm, and the width that described slit is on described metal substrate inner surface is narrow with described
The ratio being sewn on the width on described metal substrate outer surface is 1.1-1.35:1.
Communication apparatus metal shell the most according to claim 1, wherein, described metal substrate
Thickness is 0.2-2mm.
Communication apparatus metal shell the most according to claim 2, wherein, described metal substrate
Thickness is 0.6-1.2mm.
Communication apparatus metal shell the most according to claim 1, wherein, described plastic support layer
Thickness be 0.1-2mm.
7. according to the communication apparatus metal shell described in any one in claim 1-6, wherein, institute
State plastic support layer by casting resin on the inner surface of described metal substrate or resin and glass fibre
Mixture and formed.
Communication apparatus metal shell the most according to claim 7, wherein, described resin is selected from poly-
Ethylene, polypropylene, polyacetals, polystyrene, Noryl, polyethylene terephthalate,
Polybutylene terephthalate (PBT), poly-naphthalenedicarboxylic acid ethylene glycol, polyphenylene sulfide, polyimides, polyamide
Acid imide, Polyetherimide, polysulfones, polyether sulfone, polyether-ketone, polyethers ether magnesium, Merlon, polyamides
One or more in amine and acrylonitrile-butadiene-styrene copolymer.
9. according to the communication apparatus metal shell described in any one in claim 1-6, wherein, institute
Stating decorative layer is by the one or many in electrophoresis, differential arc oxidation, anodic oxidation, hard anode and spraying
Plant the decorative layer formed.
10. according to the metal shell described in any one in claim 1-6, wherein, described slit is long
Degree is 0.1-500mm, and the spacing between adjacent two slits is 0.1-10mm.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410829098.1A CN105530784B (en) | 2014-12-26 | 2014-12-26 | A kind of communication apparatus metal shell |
| JP2017534546A JP6413022B2 (en) | 2014-12-26 | 2015-12-22 | Metal shell for communication equipment |
| PCT/CN2015/098299 WO2016101876A1 (en) | 2014-12-26 | 2015-12-22 | Communication device metal housing and manufacturing method thereof |
| EP15871941.9A EP3240111B1 (en) | 2014-12-26 | 2015-12-22 | Communication device metal housing |
| PCT/CN2015/098294 WO2016101873A1 (en) | 2014-12-26 | 2015-12-22 | Communication device metal housing |
| KR1020177017286A KR101898270B1 (en) | 2014-12-26 | 2015-12-22 | A metal shell of communication equipment |
| US15/631,962 US10205246B2 (en) | 2014-12-26 | 2017-06-23 | Metal shell of communication equipment |
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| WO2018028372A1 (en) | 2016-08-08 | 2018-02-15 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Housing, method for manufacturing housing, and mobile terminal having housing |
| WO2018028486A1 (en) | 2016-08-08 | 2018-02-15 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Housing, method for manufacturing housing, and mobile terminal having housing |
| KR101808605B1 (en) * | 2016-12-22 | 2018-01-18 | 김재범 | Non-conductive frame coated with conductive layer transmitting the electormagnetic wave or having the function of heat radiation |
| CN106929899A (en) * | 2017-02-16 | 2017-07-07 | 上海与德通讯技术有限公司 | The processing method of handset shell highlight surface mirror effect |
| CN107257605B (en) * | 2017-07-13 | 2020-03-27 | Oppo广东移动通信有限公司 | Mobile terminal shell, preparation method and mobile terminal |
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| CN103297565A (en) * | 2012-02-24 | 2013-09-11 | 比亚迪股份有限公司 | Mobile phone shell and preparation method thereof |
| TW201401645A (en) * | 2012-06-21 | 2014-01-01 | Acer Inc | Electronic device |
| CN203466286U (en) * | 2011-05-23 | 2014-03-05 | 株式会社村田制作所 | Antenna device |
| CN103957674A (en) * | 2014-04-18 | 2014-07-30 | 联想(北京)有限公司 | Electronic equipment |
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| US20090153412A1 (en) * | 2007-12-18 | 2009-06-18 | Bing Chiang | Antenna slot windows for electronic device |
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| CN203466286U (en) * | 2011-05-23 | 2014-03-05 | 株式会社村田制作所 | Antenna device |
| CN103297565A (en) * | 2012-02-24 | 2013-09-11 | 比亚迪股份有限公司 | Mobile phone shell and preparation method thereof |
| TW201401645A (en) * | 2012-06-21 | 2014-01-01 | Acer Inc | Electronic device |
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