CN112265350A - Membrane attaching process - Google Patents
Membrane attaching process Download PDFInfo
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- CN112265350A CN112265350A CN202011006924.4A CN202011006924A CN112265350A CN 112265350 A CN112265350 A CN 112265350A CN 202011006924 A CN202011006924 A CN 202011006924A CN 112265350 A CN112265350 A CN 112265350A
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- membrane
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- film
- silica gel
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- 239000012528 membrane Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000741 silica gel Substances 0.000 claims abstract description 46
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 46
- 238000010030 laminating Methods 0.000 claims abstract description 41
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 15
- 238000003475 lamination Methods 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000009832 plasma treatment Methods 0.000 claims description 3
- 238000007650 screen-printing Methods 0.000 claims description 3
- 238000010023 transfer printing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Quality & Reliability (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a membrane laminating process which mainly comprises the following steps: (1) manufacturing the membrane with the OCA glue layer into a color membrane with a required color effect; (2) bonding the color film with the bearing film; (3) obtaining a required product shell through compression injection molding and spray coating hardening; (4) fixing the color membrane laminated with the bearing membrane on 3D copying silica gel in a vacuum laminating lower cavity, placing the product shell in a vacuum laminating upper cavity copying jig, closing the cavity, vacuumizing, pressing, and maintaining pressure to ensure that the product shell is laminated with the color membrane; (5) and carrying out UV treatment on the product after the laminating is finished, tearing off the protective film, and carrying out defoaming and CNC cutting processing to obtain a finished product. By applying the scheme of the invention, the poor bonding, poor edge wrinkling and the like of the product can be reduced, and the good product can be effectively improved.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to a diaphragm laminating process applied to a 3D mobile phone rear cover and a 3D watch rear cover.
Background
At present, the process of the prior injection molding of the laminating membrane of the mobile phone shell mainly comprises the following two modes:
1. after the diaphragm is subjected to hot press molding, punching the diaphragm into a size slightly smaller than that of the injection molding mobile phone shell, attaching the molded diaphragm and the injection molding mobile phone shell in a vacuum cavity through a hydraulic device, and removing bubbles after pressure maintaining; adopt this kind of laminating mode to carry out hot briquetting to the diaphragm, because of market demand, the diaphragm can make various colour effects mostly, and the multilayer structure such as unavoidable contains UV texture layer, electric membrane brightening layer, printing layer, and the process of heating and 3D buckling of the multiple colour level that includes but not limited to this, the diaphragm is because of thermal expansion and deformation stretch for various hierarchical structure inevitable that attach to on the diaphragm can produce texture layer fracture, the peeling off of electric membrane layer, fracture, printing ink oil and so on bad. The color diaphragm in the mode has high requirements on each color level of the diaphragm, the manufacturing difficulty is extremely high, partial color effects cannot be manufactured or the yield is low, the limitation on the 3D bending degree is high, and high bending angles cannot be manufactured or the yield is low. The cutting after the 3D of diaphragm is buckled is die-cut, and die-cut edge easily produces bad such as broken filament, and the quality effect is poor, and because the diaphragm has buckled through 3D, the size is difficult to control.
2. The membrane is cut to form a membrane with a required size, and the membrane and the injection molding mobile phone shell are pressed together at one time by utilizing the vacuum in the jig through hydraulic equipment or servo pressure rod laminating equipment; the attaching mode is single-step pressing, the attaching edge effect is poor, and the defects of edge adhesive layer damage, wrinkling, air bubbles and the like are easily caused.
Disclosure of Invention
The invention aims to provide a bonding process of a 2D membrane and a 3D product shell, which has higher bonding yield.
In order to solve the technical problems, the invention adopts the technical scheme that:
a membrane attaching process comprises the following steps:
(1) manufacturing the membrane with the OCA glue layer into a color membrane with a required color effect;
(2) bonding the color film with the bearing film;
(3) obtaining a required product shell through compression injection molding and spray coating hardening;
(4) fixing the color membrane laminated with the bearing membrane on 3D copying silica gel in a vacuum laminating lower cavity, placing the product shell in a vacuum laminating upper cavity copying jig, closing the cavity, vacuumizing, pressing, and maintaining pressure to ensure that the product shell is laminated with the color membrane;
(5) and carrying out UV treatment on the product after the laminating is finished, tearing off the protective film, and carrying out defoaming and CNC cutting processing to obtain a finished product.
Further, the step (1) comprises the step of carrying out transfer printing, wire drawing texture, electric film printing, silk-screen printing and other processes on the membrane with the OCA glue layer on a non-glue surface to manufacture the color membrane with the required color effect.
Further, the carrier film in step (2) is made of PO materials, the size of the carrier film is larger than that of the color film, the edge of the carrier film is provided with a positioning hole for fixing the vacuum laminating machine, and the carrier film is provided with a UV sensing type adhesive layer which loses efficacy after UV irradiation.
Further, step (4) 3D profile modeling silica gel inlay by two kinds of soft silica gel of texture and constitute, the softer silica gel of texture in two kinds of silica gel is filled to its middle zone, just 3D profile modeling silica gel's middle part is higher than marginal portion, adopts the 3D profile modeling silica gel that two kinds of soft silica gel of texture inlayed the mode and constitute, can reduce in the laminating is bad because the marginal impaired or the pressurized inequality leads to in advance bad to improve the quality of product.
Further, the binding surface of the product shell in the step (4) is treated by plasma and then enters a vacuum binding upper cavity profiling jig; and a heating pipe capable of heating the product shell is arranged in the vacuum laminating upper cavity profiling jig.
Further, in step (4) close the chamber, the evacuation, the pressfitting, the pressurize makes product shell and colour diaphragm laminating, include and carry out the projection to product shell and colour diaphragm through equipment CCD, move adjustment position location through the carrier film, accomplish the chamber that closes of upper and lower part cavity, the evacuation, after the vacuum reaches and will reach the back, drive the transmission shaft by servo motor and promote 3D profile modeling 33023in the lower part cavity, glue upwards with the interior cell-phone shell pressfitting of upper portion cavity, through 3D profile modeling silica gel middle and product shell contact pre-compaction, pressurization makes silica gel deformation to pressing product shell edge, the pressurize makes product shell and colour film laminate completely. According to the invention, the CCD equipment is used for positioning, the laminating thickness is higher, controllable multi-step laminating of the transmission shaft driven by the servo motor is adopted, the laminating step is controllable, and the effect is better.
Preferably, the plasma processing time is 2-15S, and the water drop angle is below 30 degrees; pre-pressing pressure: 30 to 200kgf, pressure and holding pressure: 400-1200 kgf, pressure maintaining time: 3-10S.
Preferably, the defoaming parameters in the step (5) are as follows:
stage 1, pressure: 1700 +/-100 KPA, 50 +/-10 ℃ and 10min +/-5 min of time
The invention adopts multi-step sectional type high-pressure defoaming, can be adjusted according to the defoaming effect, and has better defoaming effect and better product yield.
Preferably, the heating temperature of the heating pipe is 50-150 ℃.
Preferably, the vacuum-fit upper cavity profiling jig is made of aluminum alloy.
The film laminating process has the following advantages:
1. the 2D diaphragm is cut into the 2D diaphragm by laser before the lamination, so that the requirement and the limitation of the 3D diaphragm on a color layer are avoided, the size of the 2D diaphragm is easier to control relative to the 3D diaphragm, the laser cutting has better effect relative to the edge punching, the size precision is higher, and the overall yield is greatly improved;
2. adopt CCD location in the laminating process, the laminating tool is 3D profile modeling silica gel tool, and on the silica gel design, the mid portion adopts the cotton material of softer silica gel bubble to fill, make the silica gel tool mid portion be a little higher than peripheral edge, and utilize servo motor control's depression bar to carry out the pressfitting and the pressurize of multistep, the tool is further compressed after the first contact bonding of mid portion in the pressfitting process, the compression of middle soft material, laminating bonding position is by middle to edge, continue to exert pressure and make marginal silica gel deformation extremely with the complete pressfitting in edge, this multistep laminating mode has more obvious improvement to laminating harmfully.
3. Jig heatable in the laminating equipment can realize heating laminating to product heat treatment, carries out the deaeration with high-pressure defoaming machine after the laminating, and deaeration temperature, pressure divide the multistep to go on, and the heat treatment laminating can improve some height product edge wrinkle of buckling the angle and wait badly.
Drawings
FIG. 1 is a schematic view of a 3D contoured silica gel and base of the present invention;
FIG. 2 is a front layer view of a product housing of the present invention;
FIG. 3 is a schematic process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but the technical solutions do not limit the scope of the present invention.
Referring to fig. 2, the invention provides a 3D vacuum lamination process of a membrane and a product shell, wherein the product shell can be a 3D mobile phone rear cover, a 3D watch rear cover and the like, and the material of the product shell can be glass, an injection molding piece, a ceramic piece and the like;
the diaphragm adopted by the invention can be used for preparing various colors and hierarchical structures, the color diaphragm is cut to the required size by laser, and the 2D-size diaphragm is cut by laser, so that the size precision is high, the edge cut quality is good, and compared with the high requirement of the 3D diaphragm on the color hierarchy, the method reduces the manufacturing process requirement on the color diaphragm and improves the yield of the color diaphragm.
The diaphragm after will cutting carries out the vacuum laminating through 3D profile modeling silica gel with the product shell, and used 3D profile modeling silica gel adopts the different silica gel of two kinds of textures to inlay the combination, and the silica gel profile modeling is in product shell binding face, but the middle zone is a little higher than the edge, fixes a position the pre-compaction through servo motor controlled depression bar, pressurizes, the pressfitting of pressurize multistep. The pressing process is in a closed vacuum cavity, the product shell jig is of an aluminum alloy structure, a heating pipe is arranged in the product shell jig, and heating or normal-temperature pressing can be performed selectively according to the needs of products. After the bonding, a multi-step defoaming treatment is performed by a high-pressure defoaming machine.
The laminating in the mode has good product edge quality effect, improves the reject ratio of bubbles, OCA glue, indentation, edge wrinkling and the like, can be selectively heated, can carry out heat treatment on products when the products with high bending angles are laminated, eliminates internal stress, and can play a role in reducing the severity or removing the poor edge wrinkling caused by the internal stress.
The following detailed description will take the mobile phone case as an example, with reference to the accompanying fig. 1-3:
1. color film fabrication
The membrane with the OCA glue layer is subjected to transfer printing, wire drawing texture, electric filming, silk screen printing and the like on a non-glue surface to manufacture a required color effect;
2. attaching the processed color membrane to a PO bearing membrane, wherein the size of the bearing membrane is slightly larger than that of the color membrane, the edge of the bearing membrane is provided with a positioning hole for fixing a vacuum attaching machine, the adhesive layer of the bearing membrane is UV sensitive, and the bearing membrane loses efficacy after UV irradiation; the bearing film is added for assisting positioning, so that the precision can be effectively improved;
3. manufacturing a compression injection molding mobile phone shell: obtaining the required injection molding mobile phone shell through compression injection molding and spray coating hardening;
4. the colour diaphragm behind laminating plummer (guide membrane) is fixed in the 3D profile modeling silica gel in the cavity of vacuum laminating lower part through the plummer locating hole, 3D profile modeling silica gel inlays the constitution for the silica gel of two kinds of soft textures, the middle zone is filled for the softer silica gel of texture, 3D profile modeling silica gel mid portion is higher than the edge, adopt the soft silica gel of two textures to inlay the mode and be favorable to improving the quality of product, can reduce in the laminating harmfully because the edge is impaired in advance or the bad that the pressurized inequality leads to. The injection molding mobile phone shell is placed in an equipment conveying jig, conveyed to pass through a PLASMA component for carrying out bonding surface PLASMA treatment, and then grabbed into a vacuum upper cavity mobile phone shell profiling jig by a mechanical claw, wherein the profiling jig is made of aluminum alloy and internally provided with a heating pipe, the hand shell can be heated, the heating temperature is 0-150 ℃, according to the actual bonding appearance, the hand casing is heated or bonded at normal temperature, the CCD device projects the hand casing and the color film, the position is adjusted and positioned by moving the bearing film, the upper cavity and the lower cavity are closed after the position is adjusted, the vacuum is pumped, the vacuum reaches 4.0-1.0 x 10 < -1 > Torr, the servo motor drives the transmission shaft to push the 3D copying silica gel of the lower cavity to be pressed with the mobile phone shell of the upper cavity upwards, through the prepressing of contact with cell-phone shell in the middle of the 3D profile modeling silica gel, pressurization makes silica gel deformation to pressing hand casing edge, and the pressurize makes cell-phone shell and color film laminate completely. The plasma treatment time is 2-15S, the water drop angle reaches below 30 degrees, the heating temperature of the heating laminating mode mobile phone shell is 50-150 ℃, and the pre-pressing pressure is as follows: 30 to 200kgf, pressure and holding pressure: 400-1200 kgf, pressure maintaining time: 3-10S;
fig. 2 is a schematic diagram of a layer before the product shell is attached, in which 20 is the product shell, in this embodiment, the mobile phone shell, 30 is an OCA glue layer, and 40 is a membrane;
in an embodiment of the present invention, as shown in fig. 1, fig. 1 is a schematic structural view of a 3D profiling silica gel and a vacuum-bonded lower cavity base of the present application, wherein the drawing includes: first silica gel 1, second silica gel 2, fixed block 3, backing plate 4 and seat bottom 5, wherein, second silica gel 2 is the silica gel bubble cotton, and is softer for 1 more texture of first silica gel, has seted up notch 11 on first silica gel, and this notch is used for assembling second silica gel 2 and backing plate 4.
5. Carrying out UV treatment on the laminated product to ensure that the glue layer of the bearing film is invalid, and tearing off the PO bearing film;
6. and (3) placing the product torn off the carrier film in a high-pressure defoaming machine for defoaming treatment, wherein the defoaming parameters are as follows:
stage 1, pressure: 1700 +/-100 KPA, 50 +/-10 ℃ and 10min +/-5 min of time
the multistage sectional type high-pressure defoaming is adopted, the defoaming effect can be adjusted, the defoaming effect is good, and the yield is better.
The vacuum attaching and defoaming process can enable the adhesive force between the membrane and the mobile phone shell to reach more than 15N, the appearance yield is high, and the product environment reliability test effect is good;
and 7, carrying out CNC cutting processing to obtain a required final finished product.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A membrane laminating process is characterized by comprising the following steps:
(1) manufacturing the membrane with the OCA glue layer into a color membrane with a required color effect;
(2) bonding the color film with the bearing film;
(3) obtaining a required product shell through compression injection molding and spray coating hardening;
(4) fixing the color membrane laminated with the bearing membrane on 3D copying silica gel in a vacuum laminating lower cavity, placing the product shell in a vacuum laminating upper cavity copying jig, closing the cavity, vacuumizing, pressing, and maintaining pressure to ensure that the product shell is laminated with the color membrane;
(5) and carrying out UV treatment on the product after the laminating is finished, tearing off the protective film, and carrying out defoaming and CNC cutting processing to obtain a finished product.
2. The film lamination process of claim 1, wherein: the step (1) comprises the step of carrying out transfer printing, wire drawing texture, electric filming, silk-screen printing and other processes on the membrane with the OCA glue layer on a non-glue surface to manufacture the color membrane with the required color effect.
3. The film lamination process of claim 1, wherein: the carrier film in the step (2) is made of PO materials, the size of the carrier film is larger than that of the color film, the edge of the carrier film is provided with a positioning hole for fixing the vacuum laminating machine, and the carrier film is provided with a UV sensing adhesive layer which loses efficacy after being irradiated by UV.
4. The film lamination process of claim 1, wherein: the 3D copying silica gel in the step (4) is formed by inlaying two kinds of soft silica gel, wherein the middle area is filled with the softer silica gel in the two kinds of silica gel, and the middle part of the 3D copying silica gel is higher than the edge part.
5. The film lamination process of claim 4, wherein: the binding surface of the product shell in the step (4) is treated by plasma and then enters a vacuum binding upper cavity copying jig; and a heating pipe capable of heating the product shell is arranged in the vacuum laminating upper cavity profiling jig.
6. The film lamination process of claim 5, wherein: and (4) closing the cavity, vacuumizing, pressing and maintaining pressure to enable the product shell to be attached to the color diaphragm, wherein the step of projecting the product shell and the color diaphragm through a Charge Coupled Device (CCD) is carried out, the position of the product shell and the color diaphragm are adjusted and positioned through movement of the carrier film, the cavity closing of the upper cavity and the lower cavity is completed, vacuumizing is carried out, after the vacuum degree reaches the required level, a transmission shaft is driven by a servo motor to fall and move 3D copying 33023in the lower cavity, the glue is pressed upwards to the mobile phone shell in the upper cavity, the middle of the 3D copying silica gel is contacted with the product shell for prepressing, the silica gel is deformed to be pressed to the edge of the product shell through pressurization, and the product.
7. The film lamination process of claim 6, wherein: the plasma treatment time is 2-15S, and the water drop angle is below 30 degrees; pre-pressing pressure: 30 to 200kgf, pressure and holding pressure: 400-1200 kgf, pressure maintaining time: 3-10S.
8. The film lamination process of claim 6, wherein: the defoaming parameters in the step (5) are as follows:
stage 1, pressure: 1700 +/-100 KPA, 50 +/-10 ℃ and 10min +/-5 min of time
Stage 2, pressure: 1500 +/-100 KPA, 45 +/-10 deg.c and 8 +/-3 min
Stage 3, pressure: 1300 + -100 KPA, temperature 35 + -10 deg.C, and time 8min + -3 min
Stage 4, pressure: 1000 +/-100 KPA, temperature 30 +/-10 ℃ and time 4min +/-2 min.
9. The film lamination process of claim 5, wherein: the heating temperature of the heating pipe is 50-150 ℃.
10. The film lamination process of claim 5, wherein: the vacuum laminating upper cavity profiling jig is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006924.4A CN112265350A (en) | 2020-09-23 | 2020-09-23 | Membrane attaching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006924.4A CN112265350A (en) | 2020-09-23 | 2020-09-23 | Membrane attaching process |
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| Publication Number | Publication Date |
|---|---|
| CN112265350A true CN112265350A (en) | 2021-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011006924.4A Pending CN112265350A (en) | 2020-09-23 | 2020-09-23 | Membrane attaching process |
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| CN (1) | CN112265350A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021863A (en) * | 2019-12-25 | 2021-06-25 | 深圳市万普拉斯科技有限公司 | Air explosion film pasting die, air explosion film pasting system and film pasting method using air explosion film pasting die |
| CN113133300A (en) * | 2021-04-15 | 2021-07-16 | 维沃移动通信(重庆)有限公司 | Texture processing technology, cover body and electronic equipment |
| CN113910743A (en) * | 2021-11-08 | 2022-01-11 | 铜陵桐力光电有限公司 | Organic silicon OCA full-lamination method |
| CN115179543A (en) * | 2022-07-07 | 2022-10-14 | 合肥金龙浩科技有限公司 | Method for pasting film on 3D rear cover of mobile phone |
-
2020
- 2020-09-23 CN CN202011006924.4A patent/CN112265350A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021863A (en) * | 2019-12-25 | 2021-06-25 | 深圳市万普拉斯科技有限公司 | Air explosion film pasting die, air explosion film pasting system and film pasting method using air explosion film pasting die |
| CN113021863B (en) * | 2019-12-25 | 2022-11-15 | 深圳市万普拉斯科技有限公司 | Air explosion film pasting die, air explosion film pasting system and film pasting method using air explosion film pasting die |
| CN113133300A (en) * | 2021-04-15 | 2021-07-16 | 维沃移动通信(重庆)有限公司 | Texture processing technology, cover body and electronic equipment |
| CN113910743A (en) * | 2021-11-08 | 2022-01-11 | 铜陵桐力光电有限公司 | Organic silicon OCA full-lamination method |
| CN113910743B (en) * | 2021-11-08 | 2023-12-08 | 铜陵桐力光电有限公司 | Organic silicon OCA full-lamination method |
| CN115179543A (en) * | 2022-07-07 | 2022-10-14 | 合肥金龙浩科技有限公司 | Method for pasting film on 3D rear cover of mobile phone |
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