CN104754081A - Cellphone housing and manufacturing method thereof - Google Patents

Cellphone housing and manufacturing method thereof Download PDF

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Publication number
CN104754081A
CN104754081A CN201310746028.5A CN201310746028A CN104754081A CN 104754081 A CN104754081 A CN 104754081A CN 201310746028 A CN201310746028 A CN 201310746028A CN 104754081 A CN104754081 A CN 104754081A
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layer
sheet material
manufacture method
phone
phone housing
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CN201310746028.5A
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CN104754081B (en
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张兵
程锋
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BYD Co Ltd
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BYD Co Ltd
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Abstract

The invention discloses a cellphone housing and a manufacturing method thereof. The cellphone housing comprises a plate, a coating layer, a protective ink layer, a pattern layer and a background layer; the coating layer is arranged on the lower surface of one part of the plate; the lower surface of the other part of the plate is exposed to form a blank part. The protective ink layer is arranged on the lower surface of the coating layer. The pattern layer is arranged on the blank part. The background layer is arranged on the lower surfaces of the pattern layer and the protective ink layer. The cellphone housing has different appearance effects; the pattern layer is prevented from being scratched or worn in the use process, and is durable.

Description

Phone housing and preparation method thereof
Technical field
The present invention relates to field of mobile phones, especially relate to a kind of phone housing and preparation method thereof.
Background technology
The existing shell with metal-like generally adopt metal forging then polishing be made, its complex manufacturing technology, cost is high, feel is heavy, and the shell of metal structure has certain shielding action to electromagnetic signal, limits the design of the electronic structures such as antenna.
Another shell with metal-like adopts at plasthetics surface spraying one deck priming paint, and then carry out vacuum coating, then in spraying, paint, finish paint are protected; its color is single; generally only have silver color, and spraying coating process processing procedure is longer, larger to the pollution of environment.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of phone housing, has different appearance.
Another object of the present invention is the manufacture method proposing a kind of phone housing.
According to the phone housing of the embodiment of the present invention, comprising: sheet material; Film plating layer, described film plating layer is located on a part of lower surface of described sheet material, and another part lower surface of described sheet material exposes to form blank parts; Protection ink layer, described protection ink layer is located on the lower surface of described film plating layer; Patterned layer, described patterned layer is located at described blank parts place; Background layer, described background layer is located on the lower surface of described patterned layer and described protection ink layer.
According to the phone housing of the embodiment of the present invention, the film plating layer without color can be set as required, and by selecting protection ink layer and the background layer of different colours, obtain the product with different appearance.Again because film plating layer and patterned layer are located between sheet material and background layer, sheet material has fabulous physical and chemical performance, ensures that patterned layer in use can not be scratched or wear and tear, durable in use.
According to the manufacture method of the phone housing of the embodiment of the present invention, comprise the steps: S1: prebake conditions sheet material; S2: adopt coating process to carry out plated film to form one deck film plating layer on the lower surface of described sheet material; S3: adopt printing technology to print one deck protection ink layer on the lower surface of Partial coatings layer; S4: the described film plating layer not being printed with described protection ink layer is removed to make part sheet material expose to form blank parts; S5: adopt printing technology printing pattern layer in described blank parts; S6: arrange background layer in described patterned layer and described protection ink layer, carries out drying to form semi-finished product to described background layer; S7: adopt cutting technique described semi-finished product cutting to be obtained to the described phone housing of reservation shape.
According to the manufacture method of the phone housing of the embodiment of the present invention, the phone housing with metal-like can be produced, and this manufacture method makes the thinner thickness of phone housing.By selecting protection ink layer and the background layer of different colours, the handset shell with different appearance can be obtained simultaneously.And because film plating layer and patterned layer are between sheet material and background layer, sheet material has good physical and chemical performance, ensure that patterned layer in use can not be scratched or wear and tear, durable in use.
Accompanying drawing explanation
Fig. 1 is the flow chart of the manufacture method of phone housing according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the phone housing according to the embodiment of the present invention.
Reference numeral:
Phone housing 100, sheet material 1, layer of polycarbonate 10, transition resin bed 11, stiffening layer 12, film plating layer 2, protection ink layer 3, patterned layer 4, background layer 5
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; It can be mechanical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
First describe the manufacture method of the phone housing according to the embodiment of the present invention below with reference to figure 1, adopt this manufacture method can produce the phone housing with metal-like.
As shown in Figure 1, according to the manufacture method of the phone housing of the embodiment of the present invention, comprise the steps:
S1: prebake conditions sheet material, wherein carrying out prebake conditions to sheet material is stress in order to eliminate sheet material internal residual in manufacturing process, ensures can not ftracture because of Stress Release or be out of shape in the manufacturing process such as follow-up printing.Particularly, sheet material is positioned in baking oven, at the temperature of setting, toasts the regular hour, in example of the present invention, sheet material is toasted 2 hours at 80 DEG C.In concrete example of the present invention, the integral thickness of sheet material is 0.3-1.0mm.
S2: adopt coating process to carry out plated film to form one deck film plating layer on the lower surface of sheet material.Wherein, different film plating layers can be set according to different demands, such as, the film plating layer with metal-like can be set.It should be noted that, any plated film mode can be adopted to form one deck film plating layer on the lower surface of sheet material.
S3: adopt printing technology to print one deck protection ink layer on the lower surface of Partial coatings layer, in other words, the lower surface of part film plating layer is printed with protection ink layer, the lower surface of another part film plating layer is not printed with protection ink layer, preferably, adopt silk-screen printing technology on the lower surface of Partial coatings layer, print one deck protection ink layer, ensure that film plating layer can not be damaged in follow-up operation, wherein as follows to the requirement of protection ink layer: can not film plating layer to be corroded, stronger adhesive force is had on film plating layer surface, bath corrosion can not be taken off, there is good adhesive force with patterned layer and background layer simultaneously.In concrete example of the present invention, the thickness of protection ink layer is 10-30 micron.
S4: the film plating layer not being printed with protection ink layer is removed to make part sheet material expose to form blank parts.In concrete example of the present invention; employing is taken off plating solution and is taken off plating to make part sheet material expose to form blank parts to the described film plating layer not being printed with protection ink layer; it should be noted that, after forming out blank parts, needing to carry out drying to taking off the sheet material after plating.More specifically; the sheet material being printed with protection ink layer can be placed on and take off a period of time in plating solution such as hydrochloric acid solution; after the film plating layer not being printed with protection ink layer dissolves completely; take out sheet material; dry with dry cloth; be placed on grill, toast certain hour at a certain temperature to make the sheet material after taking off plating dry.
S5: adopt printing technology printing pattern layer in blank parts, now patterned layer presents by taking off the sheet material after plating.Particularly, patterned layer provides logo or other pattern effects for whole phone housing, wherein requires that patterned layer has stronger adhesive force on sheet material and protection ink layer.Preferably, screen printing technique printing ink layer in blank parts is adopted.In example of the present invention, the thickness of patterned layer is 10-30 micron.
S6: background layer is set in patterned layer and protection ink layer; carry out drying to form semi-finished product to background layer, that is, background layer covers whole protection ink layer and patterned layer; now background layer provides background color for whole phone housing, and protects patterned layer injury-free.Particularly, adopt in printing technology and print background layer in patterned layer and protection ink layer, now background layer is ink layer.Require that background layer has stable color performance in printing process, and can not etch figures pattern layer.In concrete example of the present invention, the thickness of background layer is 15-60 micron.
S7: adopt cutting technique semi-finished product cutting to be obtained to the phone housing of reservation shape.Particularly, available milling cutter, according to the Program path preset, cuts semi-finished product, to obtain phone housing.
According to the manufacture method of the phone housing of the embodiment of the present invention, the phone housing with metal-like can be produced, and this manufacture method makes the thinner thickness of phone housing.By selecting protection ink layer and the background layer of different colours, the handset shell with different appearance can be obtained simultaneously.And because film plating layer and patterned layer are between sheet material and background layer, sheet material has good physical and chemical performance, ensure that patterned layer in use can not be scratched or wear and tear, durable in use.
In a particular embodiment of the present invention, sheet material comprises: Merlon (PC) layer, transition resin bed and stiffening layer, transition resin bed is between layer of polycarbonate and stiffening layer, and film plating layer is positioned on the lower surface of layer of polycarbonate in step s 2.Specifically, the surface of layer of polycarbonate is compounded with one deck transition resin bed, then at transition resin layer surface stiffened to obtain stiffening layer, such as adopt spraying technology that stiffening layer is sprayed on transition resin layer surface, make the overall flexibility of sheet material better, the bending of large radian can be carried out and wait operation.
Preferably, transition resin bed is acrylic (PMMA) layer.Because the degree of crystallinity of acrylic layer is higher, the stiffening layer than higher hardness can be obtained at acrylic layer surface stiffened, can more than 5H be reached.
Particularly, stiffening layer requires good planarization and light transmittance, and light transmittance is greater than 90%, ensures fully to solidify, to obtain high hardness; In addition, stiffening layer needs certain ductility, ensures when shaping stretching not by drawing crack.More specifically, stiffening layer is polyorganosiloxane resin layer.
Acrylic layer, for being compounded in the resin bed on layer of polycarbonate, requiring that light transmittance is higher than 92%, good forming ability, has good adhesive force with Merlon, and both thermal contraction deflections are close.Layer of polycarbonate is the matrix resin of sheet material, requires that light transmittance is higher than 90%, and good forming ability.
In some embodiments of the invention, the coating process adopted in step S2 is vacuum sputtering coating.Wherein the operation principle of vacuum sputtering plating is under vacuum, adopt high energy ion beam bombardment target, be deposited into after producing the metallic of state of atom and hold on plating thing, the metallic produced due to bombardment has higher energy, it plates thing and has stronger adhesion with holding, plated layer compact, adhesive force is high, is not easily scratched.When adopting vacuum sputtering coating, according to the needs of color, copper, aluminium, stainless steel, silver, gold or indium tin can be selected as target, light transmittance requirement is at 10-30%, even film layer, vacuum sputtering coating layer is fine and close, is not easily scraped off in operation and is corroded by the background layer of follow-up printing.
Further, when adopting vacuum sputtering coating in step S2, in step S7, high-pressure molding can be carried out to semi-finished product before cutting, thus can to the phone housing with stereoeffect.Particularly, semi-finished product can be placed in high-pressure molding mould, by the pressure of gases at high pressure, by softening plate forming to required form.
In other embodiments of the present invention, the coating process adopted in step S2 is beam bombardment plated film (EBVM).Wherein, the operation principle of beam bombardment plated film refers under vacuum, high-power electron beam is under the program preset, point different time sections bombards silicon dioxide and titanium dioxide target respectively, the silicon dioxide that bombardment produces and titania molecule deposit to holds on plating thing, form silicon dioxide and the titanium oxide film layer of alternately superposition, due to silicon dioxide and titanium oxide film layer, the light to chromatogram different in light has different refractions and reflection angle, incidence visible light produces reflection and refraction in multi-lamellar silicon dioxide and titanium dioxide film system, the light of some spectrum can form total reflection in rete inside and cannot reflect interface, the light of some spectrum finally can reflect interface in rete inside through repeatedly reflecting and reflecting, different according to film system, finally reflect the light of certain particular color.That is, what beam bombardment plated film adopted is silicon dioxide and titanium dioxide, by the silicon dioxide of different-thickness and the superposition of titanium dioxide film, the chromatogram that can optionally absorb and reflect the incident light, different superposition film systems can present different colors, the product of same film system, observes the product after plated film from different perspectives, also can present different colors.
Be described in detail below by the manufacture method of two specific embodiments to the phone housing according to the embodiment of the present invention, adopt vacuum sputtering coating in embodiment 1, also high-pressure molding is carried out to semi-finished product simultaneously.Adopt beam bombardment plated film in example 2, target is silicon dioxide and titanium dioxide, according to the demand of color, designs thicknesses of layers and the lamination of different silicon dioxide and titanium dioxide, needs each layer thickness of strict control, ensures that product colour is consistent.
Embodiment 1:
(1) prebake conditions, becomes required size by plate cutting, tears the diaphragm on its surface off, be laid on grill, then grill be placed in baking box, toast 2 hours, then take out cooling at 80 DEG C.
(2) sheet material is torn across one of film to face up, be laid on sputter coating net dish, setting RF cleans power 600 watts, 1.0 seconds plated film time, 1.0 seconds time of delay, plated film power 1.5 kilowatts, thus is formed with film plating layer on sheet material.
(3) printing protection ink layer, ink types is IPX-971, and color is black, printing thickness 15 ± 2 μm, toasts drying in 1 hour at 80 DEG C.
(4) take off plating, protecting the plated film sheet material of ink layer to be placed in 2% hydrochloric acid solution by printing, soaking 5-10 second, after the film plating layer not printing protection ink layer dissolves completely, take out sheet material, dry with dry cloth, be placed on grill, at 80 DEG C, toast drying in 1 hour.
(5) after the sheet material cooling of moisture bone dry, taking off plating region and blank parts printed patterns, the color of patterned layer presents by taking off the sheet material after plating.Printing thickness 15 ± 2 μm, toasts drying in 1 hour at 80 DEG C.
(6) background layer is printed, ink paint model is beautiful magnificent QIPL-534856, ink is grey, wherein add the levelling agent XC3-210 of 0.5%, printing thickness 15 ± 2 μm, background layer needs complete coverage diagram pattern layer and protection ink layer, after the dry tack free of background layer, republish one deck in the same manner again; Drying in 4 hours is toasted completely at 80 DEG C.
(7) gases at high pressure former baking temperature 350 DEG C of bakings 30 seconds are set, high-pressure 50KG, 30 seconds dwell times, venting duration 5 seconds.Dried for printing sheet material is placed in gases at high pressure mould, toasts after within 30 seconds, softening, pour pressure-air, make it be covered on bed die face, obtain the shape preset after matched moulds at 350 DEG C, after pressure release, die sinking is taken out, cooling.
(8) shaping cooled sheet material is fixed on the processing of CNC(computer-aided) cut on tool, CNC cutter cutting path is set according to the 2D/3D figure of final products, the speed of mainshaft is set: 5000r/min, feed speed: 1000mm/min cuts, obtains product.
Embodiment 2:
(1) prebake conditions, becomes required size by plate cutting, tears the diaphragm on its surface off, be laid on grill, then grill be placed in baking box, toast 2 hours, then take out cooling at 80 DEG C.
(2) beam bombardment plated film is carried out to sheet material, rete is four layers, ground floor is silicon dioxide, and thickness is 294.28 nanometers, and the second layer is titanium dioxide, thickness is 82.09 nanometers, third layer is silicon dioxide, and thickness is 108.48 nanometers, and the 4th layer is titanium dioxide, thickness is 93.05 nanometers, thus is formed with film plating layer on sheet material.
(3) printing protection ink layer, ink types is IPX-971, and color is black, printing thickness 15 ± 2 μm, toasts drying in 1 hour at 80 DEG C.
(4) take off plating, protecting the plated film sheet material of ink layer to be placed in 2% hydrochloric acid solution by printing, soaking 20-40 second, after the film plating layer not printing protection ink layer dissolves completely, take out sheet material, dry with dry cloth, be placed on grill, at 80 DEG C, toast drying in 1 hour.
(5) after the sheet material cooling of moisture bone dry, taking off plating region printed patterns, the color of patterned layer presents by taking off the sheet material after plating.Printing thickness 15 ± 2 μm, toasts drying in 1 hour at 80 DEG C.
(6) print background layer, ink paint model is beautiful magnificent IPL-1021C, and ink is white, printing thickness 15 ± 2 μm, and background layer needs complete coverage diagram pattern layer and protection ink layer, after the dry tack free of background layer, republish one deck in the same manner again; Drying in 4 hours is toasted completely at 80 DEG C.Now the outward appearance of whole phone housing is rendered as white, and whole phone housing is seen from outside to inside and is followed successively by sheet material, patterned layer and background layer.
(7) cooled for drying sheet material is fixed on CNC to cut on tool, sets CNC cutter cutting path according to the 2D/3D figure of final products, the speed of mainshaft is set: 5000r/min, feed speed: 1000mm/min cuts, obtains product.
According to the manufacture method of the phone housing of the embodiment of the present invention, the thickness of phone housing can be low to moderate 0.3mm, has complied with the trend that the electronic products such as present mobile phone are lightening, and its case hardness is high, can arrive more than 5H.Simultaneously can as required, set different vacuum sputtering coating thickness, metal-like can change according to thicknesses of layers, or by selecting different beam bombardment plating membrane systems, can obtain the product of different colours.And by selecting protection ink layer and the background layer of different colours, obtain the product with different appearance.Again because film plating layer and patterned layer are located between sheet material and background layer, sheet material has fabulous physical and chemical performance, ensures that patterned layer in use can not be scratched or wear and tear, durable in use.And this phone housing is assembled on the miscellaneous part of electronic product by marine glue, play the effect of complete machine waterproof.
Below with reference to Fig. 1 and Fig. 2, the phone housing 100 according to the embodiment of the present invention is described.
As shown in Figure 2, according to the phone housing 100 of the embodiment of the present invention, comprising: sheet material 1, film plating layer 2, protection ink layer 3, patterned layer 4 and background layer 5.Wherein, film plating layer 2 is located on a part of lower surface of sheet material 1, and another part lower surface of sheet material 1 exposes to form blank parts, and that is, a part of lower surface of sheet material 1 is provided with film plating layer 2, and another part lower surface of sheet material 1 is not provided with film plating layer 2.Protection ink layer 3 is located on the lower surface of film plating layer 2.Particularly, the thickness protecting ink layer 3 is 10-30 micron.
Patterned layer 4 is located at blank parts place.Background layer 5 is located on the lower surface of patterned layer 4 and protection ink layer 3.Particularly, the thickness of patterned layer 4 is 10-30 micron, and the thickness of background layer 5 is 15-60 micron, and background layer 5 is ink layer.Wherein, can adopt manufacture method machine-shaping according to the above embodiment of the present invention according to the phone housing 100 of the embodiment of the present invention, this manufacture method is described in detail above, just no longer applies here and states.
According to the phone housing 100 of the embodiment of the present invention, the film plating layer 2 without color can be set as required, and by selecting protection ink layer 3 and the background layer 5 of different colours, obtain the product with different appearance.Again because film plating layer 2 and patterned layer 4 are located between sheet material 1 and background layer 5, sheet material 1 has fabulous physical and chemical performance, ensures that patterned layer 4 in use can not be scratched or wear and tear, durable in use.
In a particular embodiment of the present invention, sheet material 1 comprises: Merlon (PC) layer 10, transition resin bed 11 and stiffening layer 12, transition resin bed 11 is between layer of polycarbonate 10 and stiffening layer 12, and film plating layer 2 is positioned on the lower surface of layer of polycarbonate 10 in step s 2.Specifically, the surface of layer of polycarbonate 10 is compounded with one deck transition resin bed 11, then at the surperficial stiffened of transition resin bed 11 to obtain stiffening layer 12, make the overall flexibility of sheet material 1 better, the bending of large radian can be carried out and wait operation.
Preferably, transition resin bed 11 is acrylic (PMMA) layer.Because the degree of crystallinity of acrylic layer is higher, the stiffening layer 12 than higher hardness can be obtained at acrylic layer surface stiffened, can more than 5H be reached.
Particularly, stiffening layer 12 requires good planarization and light transmittance, and light transmittance is greater than 90%, ensures fully to solidify, to obtain high hardness; In addition, stiffening layer 12 needs certain ductility, ensures when shaping stretching not by drawing crack.More specifically, stiffening layer 12 is polyorganosiloxane resin layer.
Acrylic layer 11, for being compounded in the resin bed on layer of polycarbonate 10, requiring that light transmittance is higher than 92%, good forming ability, has good adhesive force with Merlon, and both thermal contraction deflections are close.Layer of polycarbonate 10 is the matrix resin of sheet material 1, requires that light transmittance is higher than 90%, and good forming ability.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (20)

1. a phone housing, is characterized in that, comprising:
Sheet material;
Film plating layer, described film plating layer is located on a part of lower surface of described sheet material, and another part lower surface of described sheet material exposes to form blank parts;
Protection ink layer, described protection ink layer is located on the lower surface of described film plating layer;
Patterned layer, described patterned layer is located at described blank parts place;
Background layer, described background layer is located on the lower surface of described patterned layer and described protection ink layer.
2. phone housing according to claim 1, it is characterized in that, described sheet material comprises: layer of polycarbonate, transition resin bed and stiffening layer, and described transition resin bed is between described layer of polycarbonate and described stiffening layer, and described film plating layer is located on the lower surface of described layer of polycarbonate.
3. phone housing according to claim 2, is characterized in that, described transition resin bed is acrylic layer.
4. phone housing according to claim 2, is characterized in that, described stiffening layer is polyorganosiloxane resin layer.
5. phone housing according to claim 1, is characterized in that, the thickness of described protection ink layer is 10-30 micron.
6. phone housing according to claim 1, is characterized in that, the thickness of described patterned layer is 10-30 micron.
7. phone housing according to claim 1, is characterized in that, described background layer is ink layer.
8. phone housing according to claim 1, is characterized in that, the thickness of described background layer is 15-60 micron.
9. a manufacture method for phone housing, is characterized in that, comprises the steps:
S1: prebake conditions sheet material;
S2: adopt coating process to carry out plated film to form one deck film plating layer on the lower surface of described sheet material;
S3: adopt printing technology to print one deck protection ink layer on the lower surface of Partial coatings layer;
S4: the described film plating layer not being printed with described protection ink layer is removed to make part sheet material expose to form blank parts;
S5: adopt printing technology printing pattern layer in described blank parts;
S6: arrange background layer in described patterned layer and described protection ink layer, carries out drying to form semi-finished product to described background layer;
S7: adopt cutting technique described semi-finished product cutting to be obtained to the described phone housing of reservation shape.
10. the manufacture method of phone housing according to claim 9, is characterized in that, in step s 4 which, employing is taken off plating solution and taken off plating to form blank parts to the described film plating layer not being printed with described protection ink layer.
The manufacture method of 11. phone housings according to claim 9, is characterized in that, in step s 6, adopts printing technology to print described background layer in described patterned layer and described protection ink layer.
The manufacture method of 12. phone housings according to claim 9, it is characterized in that, described sheet material comprises: layer of polycarbonate, transition resin bed and stiffening layer, described transition resin bed, between described layer of polycarbonate and described stiffening layer, is positioned on the lower surface of described layer of polycarbonate at film plating layer described in described step S2.
The manufacture method of 13. phone housings according to claim 12, is characterized in that, described transition resin bed is acrylic layer.
14. phone housings according to claim 12, is characterized in that, described stiffening layer is polyorganosiloxane resin layer.
The manufacture method of 15. phone housings according to claim 12, is characterized in that, the light transmittance of described stiffening layer is greater than 90%.
The manufacture method of 16. phone housings according to claim 12, is characterized in that, the light transmittance of described layer of polycarbonate is greater than 90%.
The manufacture method of 17. phone housings according to claim 9, is characterized in that, the coating process adopted in described step S2 is vacuum sputtering coating.
The manufacture method of 18. phone housings according to claim 17, is characterized in that, in described step S7, can carry out high-pressure molding to described semi-finished product before cutting.
The manufacture method of 19. phone housings according to claim 9, is characterized in that, the coating process adopted in described step S2 is beam bombardment plated film.
The manufacture method of 20. phone housings according to claim 9, is characterized in that, adopts screen printing technique to print described protection ink layer and described patterned layer in described step S3 and described step S5 respectively.
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CN109774212A (en) * 2019-03-28 2019-05-21 广东阿特斯科技有限公司 A kind of production technology of 3D cell phone rear cover
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CN110475440A (en) * 2019-08-12 2019-11-19 Oppo广东移动通信有限公司 Shell and preparation method thereof, electronic equipment
CN111427167A (en) * 2020-04-29 2020-07-17 维沃移动通信(重庆)有限公司 3D optical structure, preparation method thereof and electronic equipment
CN111601469A (en) * 2020-05-25 2020-08-28 Oppo广东移动通信有限公司 Shell assembly, manufacturing method thereof and electronic equipment
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