CN110071099A - The manufacturing method of Electronic Packaging modular structure and Electronic Packaging module - Google Patents
The manufacturing method of Electronic Packaging modular structure and Electronic Packaging module Download PDFInfo
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- CN110071099A CN110071099A CN201811593737.3A CN201811593737A CN110071099A CN 110071099 A CN110071099 A CN 110071099A CN 201811593737 A CN201811593737 A CN 201811593737A CN 110071099 A CN110071099 A CN 110071099A
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Abstract
The present invention provides the manufacturing method of a kind of Electronic Packaging modular structure and Electronic Packaging module, the Electronic Packaging modular structure includes: a circuit base plate, comprising an assembling plane, and the assembling plane has at least a molding region and at least a presumptive area, which has an at least connection pad；One molding block is set to the molding overlying regions, and the molding block coats an at least electronic component；One column dam structure, is close at least one side wall of the molding block；And a metal screen layer, it covers the upper surface of the molding block and the column dam structure and is electrically connected the connection pad.
Description
The application is the artificial Riyeguang Semiconductor Manufacturing Co., Ltd of application, and the applying date is on July 30th, 2014, Shen
Please number be 201410369584.X, the division Shen of the application for a patent for invention of entitled " manufacturing method of Electronic Packaging module "
Please.
Technical field
The present invention relates to a kind of manufacturing method of Electronic Packaging module, particularly relate to a kind of dam filling technique in column be utilized to carry out
The Electronic Packaging module manufacturing methods of selective molding.
Background technique
Electronic Packaging module generally includes the electronic component of a circuit board and multiple installings on circuit boards at present
(electronic component).These electronic components are, for example, wafer encapsulation body (chip package) or passive element
(passive component) etc..In addition, most of Electronic Packaging module also typically includes moulding compound (molding
Compound), to coat (encapsulating) above-mentioned electronic component, to protect electronic component.
However, some electronic components, especially photoelectric cell, such as CMOS image sensor
(CMOS Image Sensor, CIS, hereinafter referred to as CMOS image sensor), charge coupled cell (Charge-Coupled
Device, CCD) etc. the light-emitting components such as Image Sensors or light emitting diode (Light Emitting Diode, LED),
Or connecting element, it should not be molded material and be coated, be influenced to avoid element by the cladding of moulding compound to operate or very
It can not extremely operate.
Summary of the invention
The embodiment of the present invention provides a kind of manufacturing method of Electronic Packaging module, can using column dam filling technique and temporarily
Property coating sacrificial layer, form the Electronic Packaging module of two-sided molding.
The manufacturing method of one embodiment of the invention Electronic Packaging module, which comprises the steps of:, provides a circuit base plate, described
Circuit base plate include one first assembling plane and one second assembling plane, first assembling plane include one first molding region with
And one first presumptive area, the second assembling plane have one second molding region and one second presumptive area；It will at least 1 the
A kind of electronic component is installed in the first assembling plane and is located at the first molding region；One first column dam structure is formed in the first mould
Seal region and the first presumptive area intersection；One first molding block is formed in the first molding region；Form one second column dam structure
In the second molding region and the second presumptive area intersection；One second molding block is formed in the second molding region；Form one first
Metal screen layer is on the first molding region and contacting at least connection pad on circuit base plate；One first sacrificial layer is formed in first
On metal screen layer；One second metal screen layer is formed on the second molding region and contacting circuit base plate；And remove first
Sacrificial layer.
By the above method, the manufacturing method of Electronic Packaging module of the present invention can not open up complicated die or tedious steps
Under the premise of, selective molding is carried out, is directed to using column dam filling technique and the region of molding is needed to form moulding compound and metal
It coats (metal coating), the shielding of metal compartment can be generated, on demand further more to combine protection electromagnetism
Interference (electromagnetic Interference, EMI) is influenced to transport with particular element is avoided by the cladding of moulding compound
Make.
On the other hand, the embodiment of the present invention also provides a kind of Electronic Packaging modular structure, the Electronic Packaging modular structure
Include a circuit base plate, one first molding block, one second molding block, one first column dam structure, one second column dam structure, one first
Metal screen layer and one second metal screen layer, wherein the first column dam structure and the second column dam structure are by a smooth solidity metal-to-metal adhesive
It is formed.Circuit base plate includes one first assembling plane and one second assembling plane, and the first assembling plane has at least one
First molding region and at least one first presumptive area, the second assembling plane is at least one second molding region and at least
One second presumptive area.First molding overlying regions have the first molding block, and the first molding block coats an at least electronics
Element.Second molding overlying regions have the second molding block, and the second molding block coats an at least electronic component.First mould
Envelope block is close to first column dam structure at least one side wall, and there is the second molding block at least one side wall to be close to second column
Dam structure.The upper surface of first metal screen layer the first molding block of covering and the first column dam structure are simultaneously electrically connected on circuit base plate
An at least connection pad.The upper surface of second metal screen layer the second molding block of covering and the second column dam structure are simultaneously electrically connected route base
An at least connection pad on plate.
In order to be further understood that technology, method and effect adopted by the present invention, please refer to below in connection with the present invention
Detailed description, attached drawing, it is believed that feature and feature of the invention, can thus be able to deeply and it is specific understand, however it is appended attached
Figure is only used to provide reference and description with attachment, is not intended to limit the present invention.
Detailed description of the invention
Figure 1A -1L is the flow chart of the first embodiment of Electronic Packaging module manufacturing methods of the present invention；
Fig. 2A is to regard in the corresponding signal of a step in the manufacturing method of the multiple Electronic Packaging modular structures of present invention formation
Figure；
Fig. 2 B is to regard under the corresponding signal of a step in the manufacturing method of the multiple Electronic Packaging modular structures of present invention formation
Figure.
Wherein, the reference numerals are as follows:
Substrate 11
Connection pad 17
First kind electronic component 181,182,182 '
Second electron-like element 191,192
Metal-to-metal adhesive 16
First assembling plane 111
Second assembling plane 112
First column dam 121
Second column dam 122
First molding block 131
Second molding block 132
First sacrificial layer 142
Second sacrificial layer 141
3rd sacrifice layer 143
First metal screen layer 151
Second metal screen layer 152
Cutting line C1, C2
Frame jig F
Specific embodiment
A kind of manufacturing method of Electronic Packaging module of the invention will be explained by embodiment below.It needs to illustrate
Be, the embodiment of the present invention be not intended to limit the invention need to any specific environment as described below, using or special side
Formula can be implemented.Only reach the explaination purpose of the present invention accordingly, with respect to the explanation of embodiment, rather than to limit the present invention.
In addition, for convenience of description, so-called first kind electronic component refers to wafer encapsulation body, discrete elements or nothing in specification
Source element etc., being molded still can be with the electronic component of normal operation after material coats；So-called second electron-like element refers to connection
Device element or photoelectric cell, such as CMOS image sensor, CCD or light emitting diode etc. will affect fortune after being molded material cladding
The electronic component made or can not even operated.
Figure 1A -1L is please referred to, is the flow chart of Electronic Packaging module manufacturing methods first embodiment of the present invention.One is real herein
It applies in example, referring initially to Figure 1A, first prepares a circuit base plate 11, circuit base plate 11 has the first assembling plane 111 and the second assembling
Plane 112, for first and second assembling plane only for convenience of clear explanation, not specific finger is any successive, upper and lower or positive and negative suitable herein
Sequence.First assembling plane 111 includes the first molding region and the first presumptive area (not shown go out), and the second assembling plane 112 is wrapped
Containing the second molding region and the second presumptive area (not shown go out), it is with the first molding area that the present embodiment first, which assembles plane 111,
Domain is located at 11 outside of circuit base plate and the first presumptive area is located at for 11 center of circuit base plate；Second, which assembles plane 112, is then
By taking the different sides that the second molding region assembles plane 112 respectively at second from the second presumptive area as an example.However, the present invention is implemented
Example is not limited thereto, and quantity, shape, the size of the first, second molding region and the first, second presumptive area can be needed according to design
It asks and does different designs.In addition, circuit base plate 11 has at least one connection pad 17, connection pad 17 is made by conductive material, with electricity
Property be connected to ground plane (not shown go out), wherein connection pad 17 is to be located on circuit base plate 11 or embedment circuit base plate 11, and naked
The the first assembling plane 111, second for being exposed to circuit base plate 11 assembles plane 112 or side.Then, such as Figure 1A, by the first kind
Electronic component 181 is installed on circuit base plate 11 and is located at the first molding region.
Then, Figure 1B is please referred to, forms the in the first molding region of circuit base plate 11 and the first presumptive area intersection
One column dam 121, the first column dam 121 can be photosensitive macromolecular material, use while apply while illumination curing to be formed with certain altitude
Column dam structure, but not limited to this, as long as can quickly be formed in the first molding region with the first presumptive area intersection has
The column dam structure of certain altitude.In the present embodiment, the first column dam 121 is not overlapped with connection pad 17, that is to say, that
After one column dam 121 is formed, the first assembling plane 111, second that these connection pads 17 are still exposed to circuit base plate 11 assembles plane
112 or side, to increase the contact area of the metal screen layer and connection pad 17 that are subsequently formed.Then, the first column dam 121 is utilized
Barrier property, the first molding region on circuit base plate 11 forms the first molding block 131 and coats first kind electronic component
181, solidify to the first molding block 131, then by polishing (polishing) step flattened faces, that is, complete the first electron-like
The selective molding of element 181.At this point, there is the first molding block 131 at least one side wall to be close to the first column dam 121.
Referring next to Fig. 1 C, as previously mentioned, the second of circuit base plate 11 assem-bly faces 112 and is also classified into molding region and pre-
Determine region (not shown go out), such as is divided into the second molding region and the second presumptive area.Wherein, the second molding region and second pre-
Determine the different sides that region is located at the same surface of circuit base plate 11.Such as Fig. 1 C, first kind electronic component 182,182 ' is installed
In in the second assembling plane 112 of circuit base plate 11 and positioned at the second molding region.
Then, Fig. 1 D is please referred to, forms the in the second molding region of circuit base plate 11 and the second presumptive area intersection
Two columns dam 122.Similarly, the second column dam 122 can be photosensitive macromolecular material, use while apply while illumination curing with formed have one
Determine the column dam structure of height, but not limited to this, as long as can be in the second molding region and the second quick shape of presumptive area intersection
At the column dam structure with certain altitude.In the present embodiment, the second column dam 122 is not overlapped with connection pad 17 yet, to increase
Add the contact area for the metal screen layer and connection pad 17 being subsequently formed.
Then the barrier property for utilizing the second column dam 122, the second molding region on circuit base plate 11 form the second mould
Block 132 is sealed, to coat first kind electronic component 182,182 ', is solidified to molding block 132, then flattened faces, is i.e. the completion first kind
The selective molding of electronic component 182,182 '.At this point, there is the second molding block 132 at least one side wall to be close to the second column dam structure
122.It is noted that an at least surface for first kind electronic component 182 ' is exposed to except the second molding block 132.Citing
For, as shown in figure iD, the height of first kind electronic component 182 ' is (also that is, the upper surface of first kind electronic component 182 ' is to
The vertical range of two assembling planes 112) it is greater than the height of the second molding block 132, and the second molding block 132 only coats the first kind
The part of electronic component 182 '.
Then, for the metal screen layer that protection electromagnetic interference is set up in the first molding region in circuit base plate 11, meeting
One layer of second sacrificial layer 141 first is covered in the first presumptive area of circuit base plate 11, and the second sacrificial layer 141 does not cover on substrate
Connection pad 17, such as ground mat (Ground Pad), as referring to figure 1E.Come again, as shown in fig. 1F, assembles plane 111 first
A whole face plate the first metal screen layer 151, and contact circuit base plate 11.It should be noted that it is flat to be exposed to the first assembling
The connection pad 17 in face 111 is not covered by the second sacrificial layer 141, and therefore, the first metal screen layer 151 can directly contact connection pad
17, to be electrically connected with connection pad 17.Then, as shown in Figure 1 G, in order to carry out two-sided molding, therefore can be again in the first metal
One layer of first sacrificial layer 142 is formed in one whole face of shielding layer 151.
The Electronic Packaging module manufacturing methods of the embodiment of the present invention can form metal compartment using laser, to be directed to certain
A little first kind electronic components are further formed respective metal compartment shielding.It below will be with first in the second assembling plane 112
For electron-like element 182,182 ', but only for convenience of description, it is not limited.
Referring initially to Fig. 1 H, the second molding block 132 is formed in the second molding region of circuit base plate 11 using the second column dam 122
And after modifying surface, it is sacrificial that one layer of third then is formed in the second presumptive area of circuit base plate 11 and the second molding overlying regions
Domestic animal layer 143, to protect surface, wherein the 3rd sacrifice layer 143 of the second molding overlying regions be covering the second molding block 132 and
First kind electronic component 182 '.It should be noted that being exposed to the connection pad 17 of the second assembling plane 112 not by 3rd sacrifice layer
143 are covered, and therefore, the subsequent metal screen layer that is formed by can directly contact connection pad 17, to be electrically connected with connection pad 17.
Then, Fig. 1 I is please referred to, in order to form respective metal compartment screen to certain first kind electronic components 182,182 '
It covers, can directly be slotted to the second molding block 132 at needs using laser, be stopped after getting to the connection pad 17 of circuit base plate 11 always
Only, make circuit base plate 11 as laser the difference of laser absorption degree using connection pad 17 and the second molding block 132 herein
Clearing end, one concept of however, the present invention is not limited thereto are cut, only cuts the second molding block 132 and reserved line base as long as can reach
The means of plate 11, such as external form cutting (routing) can also be used to slot the second molding block 132.
After fluting, metal-to-metal adhesive 16 can be poured into slot and solidifies metal-to-metal adhesive 16, as shown in Figure 1 I, can be realized to selected
First kind electronic component 182,182 ' forms the purpose of respective metal compartment, as long as subsequent followed by forming metal screen layer,
More can any enhanced protection electromagnetic interference the effect of.The metal-to-metal adhesive being generally known can be used in metal-to-metal adhesive 16 herein, and thermosetting preferably can be used
The metal-to-metal adhesive for the property changed, but not limited to this, as long as the characteristic that the slot that can be opened according to above-mentioned laser is thinner and deep, makes the gold of filling
Belong to glue to be fully cured.
Then, Fig. 1 J is please referred to, the 3rd sacrifice layer 143 of the second molding overlying regions part is removed, third sacrifice is made
Layer 143 only covers first kind electronic component 182 ' and the second presumptive area.
Please refer to Fig. 1 K, then whole face plate the second metal screen layer 152, so that the second metal screen layer 152 is covered electricity
The outer surface of sub- package module, and contact circuit base plate 11.For example, the second metal screen layer 152 can completely coat circuit base plate
11 side, and contact the connection pad 17 of 11 side of circuit base plate and be exposed to the connection pad 17 of the second assembling plane 112, with this
A little connection pads 17 are electrically connected.Later, as long as removing the first sacrificial layer 142, the second sacrificial layer 141 and 3rd sacrifice layer 143,
It can be locally respectively formed in the molding region of circuit base plate 11 two-sided (the first assembling plane 111 and the second assembling plane 112)
Metal screen layer, as can be seen in 1L.
Finally, the second electron-like element 191 can be installed in the first assembling plane 111 again and be located at the first fate
Domain, and the second electron-like element 192 is installed in the second assembling plane 112 and is located at the second presumptive area.Wherein, the second class
Electronic component 191,192 can be photoelectric cell, sensing element or connector.
It should be noted that in the present embodiment, by the 181,182,182 ', second electron-like element of first kind electronic component
191,192 assembling mode on circuit base plate 11 is installed in for example using surface mount technology (Surface Mount
Technology, SMT) it carries out, and the type of the 181,182,182 ', second electron-like element of first kind electronic component 191,192,
Quantity can be designed according to actual demand；In addition, the formation of the first molding block 131, the second molding block 132 for example can be used generally
The mode of metaideophone molding or injection-compression molding, but not limited to this；In addition, forming the first metal shielding layer 151, the second metal screen
Such as metal spraying (Spray coating), electroless plating mode (electroless can be used in the step of covering layer 152
) and the common metal coating method such as sputtering way (Sputtering) plating；In addition, sacrificial layer 141,142,143 can make
The general common ink being made of photo-curing property resin or thermoplastification resin, such as liquid photosensitive type ink, but not
As limit, it is mainly used for removing the substance attached above sacrificial layer 141,142,143 and protects sacrificial layer 141,142,143
The cleaning on the covered surface in lower section organic solvent can be used simply to remove, however be not limited.
In addition, in an embodiment of the present invention, the first column dam 121 or the second column dam 122 can be conductive or non-conductive.Example
Such as, the first column dam 121, the second column dam 122 can be conduction, and be respectively to be formed after a smooth solidity metal adhesive curing, and
The light solidity metal-to-metal adhesive has excellent electric conductivity.It therefore, can be by the first column dam 121, the direct contact line roadbed in the second column dam 122
Connection pad 17 on plate 11, and the first metal screen layer 151 is electrically connected the first column dam 121, by 152 electricity of the second metal screen layer
Property connection the second column dam 122.As a result, the first metal screen layer 151, the second metal screen layer 152 can by the first column dam 121,
Second column dam 122 is electrically connected connection pad 17, such as ground mat.
In addition, it is above-mentioned such as Fig. 1 E, 1F, 1G the step of in, protrude from for the height of first kind electronic component 182 '
The part of two molding blocks 132, bearing fixture used by the present embodiment can have a groove, and the shape and size of the groove are equal
It is able to cooperate the shape and size of (fitting) first kind electronic component 182 ', to accommodate the protrusion of first kind electronic component 182 '
Part.
In an alternative embodiment of the invention, the first assembling plane 111 can have a plurality of first moldings region, and can foundation
Actual demand, selection form the first molding using the first column dam structure 121 only at least one of these the first molding regions
Block 131.Alternatively, the second assembling plane 112 there can be a plurality of second moldings region, and can select only to exist according to actual demand
At least one of these the second molding regions form the second molding block 132 using the second column dam structure 122.
In addition, can refer to Fig. 2A and Fig. 2 B, Fig. 2A is the manufacturer that the present invention forms multiple Electronic Packaging modular structures
The corresponding schematic top view of a step in method, Fig. 2 B are that the present invention is formed one in the manufacturing method of multiple Electronic Packaging modular structures
View under the corresponding signal of step.Via the Electronic Packaging module manufacturing methods of above-described embodiment, multiple Electronic Packaging module knots
Structure can be completed at the same time, and Figure 1A -1L can only represent the single one electronics in multiple Electronic Packaging modular structures such as Fig. 2A -2B
Encapsulation modular structure, wherein Fig. 2A and Fig. 2 B corresponds respectively to the top view and lower view of Fig. 1 J.
It, can be in same the step of Figure 1A-Fig. 1 J of multiple Electronic Packaging modular structures in the manufacturing method of the present embodiment
It is carried out simultaneously on one initial plant substrate.Wherein, in such as Figure 1B and Fig. 1 D the step of, using the resistance of frame jig F
Separating performance, to form the first molding block 131, the second molding block in the first molding region of circuit base plate 11, the second molding region
132.Frame jig F is the boundary for being temporarily installed in the initial plant substrate, and surrounds the side of the initial plant substrate.
After the step of completing Fig. 1 J, using cutting machine or laser cutting substrate, to obtain single module and make mould
The ground line (Ground Trace) on block substrate side exposes；That is, carrying out cutting processing procedure along cutting line C1, C2.And then it connects such as
These Electronic Packaging modular structure whole faces are plated the second metal screen layer 152, can be obtained more by the step of Fig. 1 K-1L
A Electronic Packaging module with complete metal shielding.
In this way, please refer to Fig. 1 L, the second electron-like element 191,192 can be respectively arranged to circuit base plate 11
The presumptive area of one assembling plane 111 and the second assembling plane 112, reaches the two sides on circuit base plate and is partially formed molding
Block, and the electronic component that should not be coated by molding block is set in the presumptive area of no molding block, combine protection electricity
The purpose of magnetic disturbance, compartment shielding are with avoiding the second electron-like element from being influenced running by the cladding of molding block.
Claims (11)
1. a kind of Electronic Packaging modular structure, characterized by comprising:
One circuit base plate, comprising an assembling plane, and the assembling plane has at least a molding region and at least a fate
Domain, the presumptive area have an at least connection pad；
One molding block is set to the molding overlying regions, and the molding block coats an at least electronic component；
One column dam structure, is close at least one side wall of the molding block；And
One metal screen layer covers the upper surface of the molding block and the column dam structure and is electrically connected the connection pad.
2. Electronic Packaging modular structure as described in claim 1, which has an at least conductive structure, the conductive structure
It is electrically connected the metal screen layer and the connection pad.
3. Electronic Packaging modular structure as claimed in claim 2, which has an at least photoelectric cell, a sensing
Part or a connector.
4. Electronic Packaging modular structure as described in claim 1, which is made of a smooth solidity metal-to-metal adhesive.
5. Electronic Packaging modular structure as described in claim 1, which has the groove of an one curing metal glue of filling.
6. a kind of Electronic Packaging modular structure, characterized by comprising:
One circuit base plate, comprising an assembling plane, and the assembling plane has at least a molding region and at least a fate
Domain, the presumptive area have an at least connection pad；
One molding block is set to the molding overlying regions, and the molding block coats an at least electronic component；And
One column dam structure, is close at least one side wall of the molding block.
7. Electronic Packaging modular structure as claimed in claim 6, which has an at least conductive structure, the conductive structure
It is electrically connected the metal screen layer and the connection pad.
8. Electronic Packaging modular structure as claimed in claim 7, which has an at least photoelectric cell, a sensing
Part or a connector.
9. Electronic Packaging modular structure as claimed in claim 6, which is made of a smooth solidity metal-to-metal adhesive.
10. Electronic Packaging modular structure as claimed in claim 6, which has the recessed of an one curing metal glue of filling
Slot.
11. a kind of manufacturing method of Electronic Packaging module, which is characterized in that comprise the steps of:
One circuit base plate is provided, the circuit base plate include one assembling plane, and the assembling plane have an at least molding region with
And an at least presumptive area, the presumptive area have an at least connection pad；
An at least first kind electronic component is installed in the assembling plane and is located at the molding region；
A column dam structure is formed in the molding region and the presumptive area intersection；
A molding block is formed in the molding region；And
A metal screen layer is formed on the molding region and the column dam structure and contacting the connection pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593737.3A CN110071099A (en) | 2014-07-30 | 2014-07-30 | The manufacturing method of Electronic Packaging modular structure and Electronic Packaging module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593737.3A CN110071099A (en) | 2014-07-30 | 2014-07-30 | The manufacturing method of Electronic Packaging modular structure and Electronic Packaging module |
| CN201410369584.XA CN105321830B (en) | 2014-07-30 | 2014-07-30 | The manufacturing method of Electronic Packaging module |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410369584.XA Division CN105321830B (en) | 2014-07-30 | 2014-07-30 | The manufacturing method of Electronic Packaging module |
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| CN110071099A true CN110071099A (en) | 2019-07-30 |
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| CN201410369584.XA Active CN105321830B (en) | 2014-07-30 | 2014-07-30 | The manufacturing method of Electronic Packaging module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021135880A1 (en) * | 2019-12-30 | 2021-07-08 | 青岛歌尔智能传感器有限公司 | Special-shaped tws sip module and manufacturing method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979333B (en) * | 2019-05-17 | 2022-01-28 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105321830A (en) | 2016-02-10 |
| CN105321830B (en) | 2019-02-05 |
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