CN107272241A - A kind of foam sticking tool, PET mould release membrances and touch-screen foam method of attaching - Google Patents
A kind of foam sticking tool, PET mould release membrances and touch-screen foam method of attaching Download PDFInfo
- Publication number
- CN107272241A CN107272241A CN201710580394.6A CN201710580394A CN107272241A CN 107272241 A CN107272241 A CN 107272241A CN 201710580394 A CN201710580394 A CN 201710580394A CN 107272241 A CN107272241 A CN 107272241A
- Authority
- CN
- China
- Prior art keywords
- foam
- mould release
- pet mould
- release membrances
- sticking tool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 239000003292 glue Substances 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 alcohol ester Chemical class 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of foam sticking tool, it includes bottom plate, and the bottom plate has a lower surface and the upper surface opposite with the lower surface, and a rectangular ring groove is provided with the upper surface.And a kind of PET mould release membrances, it includes rectangular release membrane body, a connecting portion is each provided with two relative sides of the release membrane body, a positioning hole is provided with any connecting portion, the PET mould release membrances can be set in the locating dowel of foam sticking tool through the positioning hole.A kind of touch-screen foam method of attaching is also provided, comprised the following steps：(1) foam bar is set；(2) foam bar is filled in rectangular ring groove；(3) foam bar is bonded on PET mould release membrances；(4) the PET mould release membrances for being bonded with foam bar are departed from into foam sticking tool.This invention ensures that the sealing and dustproof effect of foam, can be accurately positioned, and effectively improve service speed to foam bar in operation.
Description
Technical field
The present invention relates to the technology for applying for touch-screen foam, and in particular to a kind of foam sticking tool, PET mould release membrances
And touch-screen foam method of attaching.
Background technology
Touch-screen has been widely used for our daily lifes each as a kind of medium of simple, easily man-machine interaction
Individual field, such as smart mobile phone, intelligent watch, navigation system, digital camera, game station, display, electrical equipment control, medical treatment are set
The technical field such as standby.
Essentially all of touch-screen is required for using cooperatively with liquid crystal module, and touch-screen has two kinds to fit with liquid crystal module
Mode, one kind is frame patch, and one kind is full patch.So-called frame patch exactly sticks a circle foam in the visible area surrounding of touch-screen, then
Foam is fitted with liquid crystal.This foam can play dust-proof, and the anti-function of falling (buffering).Most of at this stage is all to use frame
The pattern of patch.
Because the liquid crystal module of mobile phone, flat-panel monitor develops to narrow frame, the design of foam in complete machine space
Width is more and more narrow, and the most narrow place of foam of many mobile phones only has 0.7mm width.Using yi word pattern or L-type foam with touch
Hollow is spliced into during screen laminating, because foam is too elongated, there can be laminating and be forbidden, fit not straight, cause spliced foam
The effect of sealing and dustproof is not had, and because off normal foam can be caused to spill visible area, visual effect is influenceed.For the ease of adding
Work makes, and existing foam uses the design method of square shape.The design of square shape, the waste to material is very serious, special
Not being that size is bigger wastes more serious, adds product cost.
The content of the invention
In order to solve the above problems, the application provides a kind of foam sticking tool first, to avoid foam in the process of bonding
In foam laminating occur inaccurate, the phenomenon such as fit not straight, specific technical scheme is as follows：
A kind of foam sticking tool, it is used to bond foam on the touchscreen, and it includes bottom plate, and the bottom plate has
Surface and the upper surface opposite with the lower surface, are provided with a rectangular ring groove on the upper surface.
Along being observed perpendicular to the upper surface of tool, the inside edge of the rectangular ring groove and outer ledge are in
Rectangle.
In the use of the present invention, foam bar is arranged in rectangular ring groove first, foam bar is set to be spliced into hollow,
Then PET mould release membrances are bonded on foam bar, when bonding PET mould release membrances, according to the foam of selection, whether band glue is selected
PET mould release membrances, when foam is that the pet sheet face of selection does not have being stained with property, when the foam of selection is without glue, then to select with glue
Select the larger PET mould release membrances of being stained with property of surface.
After tool of the present invention, due to the limitation of rectangular ring groove, when being pasted, foam is not in bending
Etc. phenomenon, and then make foam off normal, the sealing and dustproof effect of reduction foam.PET mould release membrances are i.e. using poly terephthalic acid second two
Mould release membrance made by alcohol ester.
Further, locating dowel is provided with the outside of rectangular ring groove, the locating dowel is arranged on the upper surface of bottom plate
On, and extend along the direction of the upper surface away from bottom plate, the locating dowel is perpendicular to the upper surface of bottom plate.Preferably, in rectangle
The relative both sides of annular recess respectively set a locating dowel, and the locating dowel is cylindrical.
The locating dowel is used to fix PET mould release membrances, is provided with and special determines corresponding to above-mentioned locating dowel on PET mould release membrances
PET mould release membrances, under the limitation of the locating dowel, quickly can be bonded on foam by position hole, and accurate positioning.Avoid behaviour
When making, during using visually observing positioning, it is easy to deviations occur, foam is set to deviate setting position.Especially in rectangular ring
When the relative both sides of groove respectively set a locating dowel, accurately PET mould release membrances and foam can be bonded together.By locating dowel
Be set to it is cylindric after, be not only convenient to the processing to locating dowel, but also facilitate PET mould release membrances relative to foam sticking tool
Rotated, to be finely adjusted.
To solve the above problems, the application also provides a kind of touch-screen foam method of attaching, it uses above-mentioned technical proposal
In foam sticking tool, comprise the following steps：
(1) foam is set to two L-shaped foam bars；
(2) by foam sticking tool horizontal positioned, make its upper surface upward, two foam bars are then filled in straight-flanked ring
In shape groove, and the upper table of foam bar is set to exceed the upper surface of foam sticking tool upwardly；
(3) PET mould release membrances are placed on foam sticking tool, and foam bar is bonded on PET mould release membrances；
(4) the PET mould release membrances for being bonded with foam bar are departed from into foam sticking tool.
In this method of attaching, foam is set to L-shaped foam bar first, the foam bar then is filled in into level puts
In the rectangular ring groove for the foam sticking tool put, then PET mould release membrances are placed on foam sticking tool, make foam bar with
PET mould release membrances are bonded together, and then remove PET mould release membrances from foam sticking tool, and process is arrived into lower.In straight-flanked ring
Under the limitation of shape groove, foam bar will not produce displacement, during by the bonding of PET mould release membrances and foam bar, even if due to
A little skew is produced, during being corrected, due to the limitation of rectangular ring groove, foam bar will not produce movement, still
Original position is maintained at, foam bar is bonded on the setting position of PET mould release membrances.
Further, two end faces of a foam bar in two foam bars and two end faces of another foam bar are relative
Set, two end faces being oppositely arranged form one group of end face, are formed altogether in two groups of end faces, two groups of end faces at least one group end face
Two end faces be in can cooperate it is stepped.Preferably, two end faces in two groups of end faces in any group of end face are in
What can be cooperated is stepped.
The relative end face of the two of two foam bars is configured to cooperate it is stepped after, when two be in rank
After the end face of scalariform is mutually butted, the gap formed is in polyline shaped, even if can not be abutted one between two end faces
Rise, with a less gap, because this gap is in polyline shaped, the light of outside can not enter touch-screen through the gap
Visible area, it is ensured that the visual effect of visible area, especially by two groups of end faces be disposed as it is stepped after, it is ensured that exterior light
Line can not enter the visible area of touch-screen by foam, and high-quality visual effect is provided for touch-screen.
Further, the PET mould release membrances include rectangular release membrane body, at least one side of the release membrane body
Face is provided with outstanding connecting portion, and the positioning hole for being enclosed in locating dowel, the connecting portion are offered on connecting portion
In laminated structure corresponding with release membrane body.Preferably, it is respectively provided with relative two side of the release membrane body
There is a connecting portion.After being provided with the connecting portion of positioning hole on PET mould release membrances, carried out carrying out PET mould release membrances with foam bar
When bonding, the positioning hole of PET mould release membrances is enclosed in the locating dowel of foam sticking tool first, then PET is moved along locating dowel
Mould release membrance, makes PET mould release membrances be bonded on foam bar, and the setting of positioning hole not only can enter PET mould release membrances relative to foam bar
Row is accurately positioned, due to there is the guiding function of locating dowel and positioning hole, during by the bonding of PET mould release membrances and foam bar,
Due to eliminating the process of being accurately positioned, service speed can be effectively improved.
The binding agent for being used for bonding PET mould release membrances whether is carried according to foam, corresponding PET mould release membrances are matched, is specially：
When the foam uses gum-free foam, the PET mould release membrances are using the sticking PET mould release membrances of tool；When the foam is adopted
During with there is glue-type foam, the PET mould release membrances use the PET mould release membrances without viscosity, before PET mould release membrances are bonded, first
The glue surface mould release membrance of binding agent is protected to tear being used on foam bar.
Due to that can be accurately positioned, PET mould release membrances are bonded with foam bar, bond quality can be effectively improved, by
Foam bar is employed in simultaneously, the waste of foam can be effectively reduced.
The application also provides a kind of PET mould release membrances, and it is bonded using above-mentioned foam sticking tool and foam bar, should
PET mould release membrances include rectangular release membrane body, and a company is each provided with two relative sides of the release membrane body
Socket part, is provided with a positioning hole on any connecting portion, and the PET mould release membrances can be set in foam stickup through the positioning hole
In the locating dowel of tool.The positioning hole is preferably the circular hole being adapted with locating dowel.
The PET mould release membrances are after two positioning holes are set, when PET mould release membrances and foam bar are bonded, and first will
The positioning hole of PET mould release membrances is enclosed in the locating dowel of foam sticking tool, then moves PET mould release membrances along locating dowel, make PET from
Type film is bonded on foam bar, and PET mould release membrances can be not only accurately positioned by the setting of positioning hole relative to foam bar, due to
There are locating dowel and the guiding function of positioning hole, it is accurate fixed due to eliminating during by the bonding of PET mould release membrances and foam bar
Position process, can effectively improve service speed.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of foam sticking tool.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the schematic diagram that two L-shaped foam bars constitute rectangle frame.
Fig. 4 is the amplification plan view of part A in Fig. 3.
Fig. 5 is the structural representation of PET mould release membrances.
Embodiment
Refer to Fig. 1 and Fig. 2, a kind of foam sticking tool 10, it is used to bond foam on the touchscreen, and it includes bottom
Plate 11, the bottom plate 11 has a lower surface 18 and the upper surface 16 opposite with the lower surface 18, is provided with upper surface 16
One rectangular ring groove 12.
On the basis of such scheme, in the outside of rectangular ring groove 12, rectangle annular recess 12 is relative relatively
Both sides respectively set a locating dowel 13, and the locating dowel 13 is cylindrical.Two locating dowels 13 in the present embodiment are arranged on bottom plate 11
Upper surface 16 on, and extend along the direction of the upper surface 16 away from bottom plate 11, and locating dowel 13 is perpendicular to the upper surface of bottom plate.
In the present embodiment, rectangular ring groove 12 is rectangle, and two locating dowels 13 are located at rectangular ring groove 12 respectively
The outside of the both sides of length direction.
Referring to Fig. 5, corresponding to above-mentioned foam sticking tool 10, PET mould release membrances 30 include rectangular release membrane body
31, a connecting portion 32 is each provided with two relative sides of the release membrane body 31, is all provided with any connecting portion 32
A positioning hole 33 is equipped with, the PET mould release membrances 30 can be set in the locating dowel 13 of foam sticking tool 10 through the positioning hole 33
On.
The PET mould release membrances 30 can be bonded using foam sticking tool 10 with foam bar.Paste and control corresponding to foam
Rectangular ring groove 12 on tool 10, the release membrane body 31 of the PET mould release membrances 30 is rectangle, and release membrane body 31 is in thickness
The projection in degree direction can cover rectangular ring groove 12 just, i.e., release membrane body 31 is placed on foam sticking tool 10
When, the outer rim of release membrane body 31 can be overlapped with the outer rim of rectangular ring groove 12.
In the present embodiment, two connecting portions 32 are separately positioned on the both sides of the length direction of release membrane body 31, i.e. length
Direction relative first side 36 and second side 38.
Using foam sticking tool 10, foam is pasted on PET mould release membrances 30 specifically using following steps：
(1) referring to Fig. 3, foam is set into two L-shaped foam bars, for convenience of describing, by two foam bars point
Also known as it is the first foam bar 21 and the second foam bar 22, two foam bars constitute a rectangle frame；
(2) by the horizontal positioned of foam sticking tool 10, its upper surface 16 is made upward, then by the first foam bar 21 and second
Foam bar 22 is filled in rectangular ring groove 12, and the first foam bar 21 and the upper table of the second foam bar 22 is exceeded upwardly
The upper surface 16 of foam sticking tool 10；
(3) PET mould release membrances 30 are placed on foam sticking tool 10, and make the first foam bar 21 and the second foam bar 22
It is bonded in 30 on PET mould release membrances；
(4) the PET mould release membrances 30 for being bonded with the first foam bar 21 and the second foam bar 22 are departed from into foam sticking tool 10.
In the present embodiment, two end faces of two end faces of a foam bar in two foam bars and another foam bar
It is oppositely arranged, two end faces being oppositely arranged form one group of end face, are formed altogether in two groups of end faces, two groups of end faces in any group of end face
Two end faces be in can cooperate it is stepped.
It is specific referring to Fig. 4, being to mark two in the region for being to hold in one group in two groups of end faces, specially Fig. 3
Face.Wherein on the end of the first foam bar 21, from lateral surface 211 to having the first top for continuously connecting medial surface 215
Face 212, the first ladder facade 213, the first ladder plane 214.On the end of second foam bar 22, from lateral surface 221 to inner side
There is the second top end face 222 continuously connected, the 223, second ladder plane 224 of the second ladder the inside between face 225.
After the end of first foam bar 21 and the second foam bar 22 be combined with each other, the second ladder plane 224 and the first foam
The medial surface 215 of bar 21 connects, and 223 connect with the first ladder plane 214 inside the second ladder, the second top end face 222 and first
Ladder facade 213 connects, and the abutted surface of the end of the first foam bar 21 and the second foam bar 22 is a folding face, or two foam bars it
Between there is the tiny gap of polyline shaped, extraneous light can not enter the sky of two foam bar institute corrals through the gap
In.
Another group in 22 two groups of end faces of first foam bar 21 and the second foam bar, i.e. mark in the region for being in Fig. 3
The structure of two end faces of the structure of two end faces with being labeled as in a-quadrant is similar.
In the present embodiment, PET mould release membrances are cut by a whole film and formed, i.e., connecting portion is identical in thickness with release membrane body
Laminated structure.
In the present embodiment, foam strip adoption gum-free foam makes, and using the sticking PET mould release membrances of tool.
In other embodiments, it is release using the PET without viscosity when foam strip adoption has the making of glue-type foam
Film, before foam bar is bonded into PET mould release membrances, protects the glue surface mould release membrance of binding agent to tear being used on foam bar first
Fall.
Claims (10)
1. a kind of foam sticking tool, it is used to bond foam on the touchscreen, it is characterised in that including bottom plate, the bottom plate
With a lower surface and the upper surface opposite with the lower surface, a rectangular ring groove is provided with the upper surface.
2. foam sticking tool according to claim 1, it is characterised in that it is fixed to be provided with the outside of rectangular ring groove
Position post, the locating dowel is arranged on the upper surface of bottom plate, and is extended along the direction of the upper surface away from bottom plate, the locating dowel
Perpendicular to the upper surface of bottom plate.
3. foam sticking tool according to claim 2, it is characterised in that each in the relative both sides of rectangular ring groove
One locating dowel is set, and the locating dowel is cylindrical.
4. a kind of touch-screen foam method of attaching, it is characterised in that using the foam sticking tool described in Claims 2 or 3, bag
Include following steps：
(1) foam is set to two L-shaped foam bars；
(2) by foam sticking tool horizontal positioned, its upper surface is made upward, it is recessed that two foam bars then are filled in into rectangular ring
In groove, and the upper table of foam bar is set to exceed the upper surface of foam sticking tool upwardly；
(3) PET mould release membrances are placed on foam sticking tool, and foam bar is bonded on PET mould release membrances；
(4) the PET mould release membrances for being bonded with foam bar are departed from into foam sticking tool.
5. touch-screen foam method of attaching according to claim 4 a, it is characterised in that foam in two foam bars
Two end faces of bar are oppositely arranged with two end faces of another foam bar, and two end faces being oppositely arranged form one group of end face,
It is stepped in what can be cooperated that two end faces in two groups of end faces, two groups of end faces at least one group end face are formed altogether.
6. touch-screen foam method of attaching according to claim 5, it is characterised in that in two groups of end faces in any group of end face
Two end faces in can cooperate it is stepped.
7. touch-screen foam method of attaching according to claim 4, it is characterised in that the PET mould release membrances include being in square
The release membrane body of shape, at least one in the release membrane body is provided with outstanding connecting portion sideways, on connecting portion
The positioning hole for being enclosed in locating dowel is offered, the connecting portion is in laminated structure corresponding with release membrane body.
8. touch-screen foam method of attaching according to claim 7, it is characterised in that in the relative of the release membrane body
Two sides on be provided with a connecting portion.
9. touch-screen foam method of attaching according to claim 4, it is characterised in that
When the foam uses gum-free foam, the PET mould release membrances are using the sticking PET mould release membrances of tool；When the bubble
Cotton is using when having glue-type foam, and the PET mould release membrances use the PET mould release membrances without viscosity, before PET mould release membrances are bonded,
The glue surface mould release membrance of binding agent is protected to tear being used on foam bar first.
10. a kind of PET mould release membrances, it is characterised in that glued using the foam sticking tool described in claim 3 and foam bar
Knot, the PET mould release membrances include rectangular release membrane body, are each provided with two relative sides of the release membrane body
One connecting portion, is provided with a positioning hole on any connecting portion, and the PET mould release membrances can be set in foam through the positioning hole
In the locating dowel of sticking tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710580394.6A CN107272241A (en) | 2017-07-17 | 2017-07-17 | A kind of foam sticking tool, PET mould release membrances and touch-screen foam method of attaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710580394.6A CN107272241A (en) | 2017-07-17 | 2017-07-17 | A kind of foam sticking tool, PET mould release membrances and touch-screen foam method of attaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107272241A true CN107272241A (en) | 2017-10-20 |
Family
ID=60072867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710580394.6A Pending CN107272241A (en) | 2017-07-17 | 2017-07-17 | A kind of foam sticking tool, PET mould release membrances and touch-screen foam method of attaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107272241A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203324957U (en) * | 2013-06-18 | 2013-12-04 | 无锡博一光电科技有限公司 | Stamp gum structure |
| CN203406913U (en) * | 2013-07-05 | 2014-01-22 | 惠州Tcl移动通信有限公司 | Touch screen mobile phone and touch screen with adhesive tape |
| CN204566866U (en) * | 2015-03-31 | 2015-08-19 | 江西联创（万年）电子有限公司 | Capacitive touch screen foam adhering jig |
| CN207198500U (en) * | 2017-07-17 | 2018-04-06 | 南京华睿川电子科技有限公司 | A kind of foam sticking tool and PET mould release membrances |
-
2017
- 2017-07-17 CN CN201710580394.6A patent/CN107272241A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203324957U (en) * | 2013-06-18 | 2013-12-04 | 无锡博一光电科技有限公司 | Stamp gum structure |
| CN203406913U (en) * | 2013-07-05 | 2014-01-22 | 惠州Tcl移动通信有限公司 | Touch screen mobile phone and touch screen with adhesive tape |
| CN204566866U (en) * | 2015-03-31 | 2015-08-19 | 江西联创（万年）电子有限公司 | Capacitive touch screen foam adhering jig |
| CN207198500U (en) * | 2017-07-17 | 2018-04-06 | 南京华睿川电子科技有限公司 | A kind of foam sticking tool and PET mould release membrances |
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Application publication date: 20171020 |