CN205522126U - BGA mould utensil of moulding - Google Patents
BGA mould utensil of moulding Download PDFInfo
- Publication number
- CN205522126U CN205522126U CN201620176285.9U CN201620176285U CN205522126U CN 205522126 U CN205522126 U CN 205522126U CN 201620176285 U CN201620176285 U CN 201620176285U CN 205522126 U CN205522126 U CN 205522126U
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- Prior art keywords
- bar
- moulding
- gear
- die cavity
- outside
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Abstract
The utility model discloses a BGA mould utensil of moulding, including the die holder, the middle part of die holder a plurality of feed cylinders of vertically evenly having arranged, the left and right sides of feed cylinder is provided with the diaphragm capsule, the diaphragm capsule includes a plurality of die cavities, keeps apart through die cavity shaping strip module between die cavity and the die cavity, die cavity shaping strip module comprises two adjacent shaping strips, install vertical position control device and horizontal position control device in the die cavity outline strip, vertical position control device is including adjusting left unit and adjusting right unit, adjust left unit and adjust right unit symmetric distribution, it all includes moving member and mounting to adjust left unit and adjust right unit, the tip fixed connection of moving member and shaping strip, the utility model discloses a vertical position control device can be adjusted alone the position of two shaping strips including adjusting left unit and adjusting right unit to satisfy the slight change of the basic plate size in every diaphragm capsule die cavity.
Description
Technical field:
This utility model relates to technical field of semiconductor encapsulation, in particular to a kind of BGA
Molding die.
Background technology:
In the MOLDING technique of semiconductor packages, due to the particularity of baseplate material, different
The control accuracy of its portion size of substrate of producer's different model cannot meet the requirement of encapsulation.Base
Plate is exactly pcb board in fact, and a lot of sizes are merely able to accomplish ± about 0.1mm.At MOLDING
In technique, owing to its material epoxy resin smallest particles is less than this size, there is plastic packaging material and overflow
Problem, equipment cannot automatic job.
The measure taked at present is that the substrate of different batches is mended by changing eccentric positioning needle
Repay its size of control, it is ensured that gap is less than the smallest particles of epoxy resin, and equipment can be from action
Industry.The location mode of prior art employing cam pin (with specific reference to application publication number is
A kind of technological document of the BGA molding die of CN104552672A), although mold mould at BGA
In the location of tool, the needle point width of existing eccentric positioning needle can be according to the installation pin of positioning needle
Hole change processing, but there is problems of changing positioning needle every time and be both needed to mould is dismantled
Ressemble, time-consuming while there is also that assembling is wrong other problem etc. occurs, additionally eccentric
Positioning needle processing request is high, and cost is high.
For solving above-mentioned technical problem, application publication number is the utility model of CN104552672A
Patent application discloses a kind of BGA molding die, and including die holder, the middle part of die holder is the most equal
Even being placed with multiple barrel, the both sides of barrel are provided with diaphragm capsule, and diaphragm capsule has multiple the most equal
The die cavity of even arrangement, the arragement direction of die cavity is identical with the arragement direction of barrel, every two adjacent types
Die cavity bar it is formed with, the removable location being fixedly connected with towards barrel slip on diaphragm capsule between chamber
Block, locating piece is fitted with the first positioning needle, die cavity bar is provided with the second positioning needle.Above-mentioned
The BGA molding die provided in utility model application, with common circular positioning needle design and installation
Rear auxiliary positioning block adjust position, simple and fast, also do not have due to mould repeats assembling can
The various problems that can cause, easily process, and simple in construction, do not take up space, can adapt to certain model
Enclose the change of substrate size, change simple, stable equipment operation, with low cost, reduce simultaneously
Various unnecessary adjustment and installation risks, substantially increase production efficiency and equipment efficiency of usage.
Prior art, die cavity bar is designed to regulate with trace, to meet the change of size trace
The encapsulation of multiple BGA, but there is certain problem in above technical scheme: when die cavity bar is carried out
During regulation, adjacent two die cavity one certainly will be caused to become large-sized, a size diminishes, that
So necessarily cannot meet the package dimension of all of BGA.
Utility model content:
The purpose of this utility model is not enough for prior art, it is provided that a kind of molding bar is designed to
A pair, and the BGA molding die that each molding bar can individually be adjusted.
For reaching above-mentioned purpose, this utility model provides a kind of BGA molding die, including mould
Seat, the middle part of die holder is longitudinally uniformly placed with multiple barrel, and the left and right sides of barrel is provided with mould
Box, described diaphragm capsule includes longitudinally disposed interior frame bar, longitudinally disposed outside moulding, laterally
First frame bar of setting, the second frame bar of horizontally set, described diaphragm capsule passes through mold cavity forming
Bar module is isolated into multiple die cavity；Described interior frame bar is positioned at the side of barrel, described interior frame
Bar, outside moulding, the first frame bar, the second frame bar constitute total die cavity of frame type；Die cavity
Outside moulding is uniformly provided with some lengthwise position adjusting meanss；First frame bar and the second limit
Moulding is separately installed with lateral attitude adjusting means；
Offer inside moulding outside described die cavity longitudinally through device guide groove；Outside described die cavity
Frame bar medial wall offers chute, lateral wall offers gear mounting groove；Described lengthwise position
Adjusting means includes moving body, regulates left unit and regulate right unit；Described moving body is plugged in
Outside die cavity in moulding inner chamber；Regulate left unit and the right unit symmetry of regulation is plugged in a moving body left side
In right symmetrical square groove；The left unit of described regulation is identical with regulating right cellular construction；Institute
State the left unit of regulation and the right unit of regulation all includes square protuberance and connecting portion；Described square protuberance
Activity is plugged in square groove；Described square protuberance offers the square chamber that left and right is penetrating；Square
The two lateral walls of chamber is provided with the first tooth bar and the second tooth bar, the first tooth bar and the first gear
Engagement, the second tooth bar and the engagement of the second gear, described first gear is fixed on the first gear shaft,
The two ends of the first gear shaft are articulated on the sidewall of square groove, and described second gear is articulated in second
On gear shaft, the two ends of the second gear shaft are articulated on the sidewall of square groove；Described square groove
Pivot joint one left-right rotary screw mandrel on sidewall, left-right rotary screw mandrel and the first gear shaft and the second gear shaft are put down
OK, left-right rotary screw mandrel passes square chamber, and left-right rotary screw mandrel includes left-handed screw mandrel section and dextrorotation silk
Bar segment, left-handed screw mandrel section is spirally connected left-handed nut, and dextrorotation screw mandrel section is spirally connected right-handed nut, left
It is fixed with left brake pad on spin nut, right-handed nut is fixed with right brake pad, left brake pad
The end of end and right brake pad is all movably set on the second gear shaft, described left brake pad and
Right brake pad is positioned at the both sides of the second gear；
Described mold cavity forming bar module is made up of two adjacent molding bars；Molding bar one end is with outer
Frame bar is slidably matched, and the other end of molding bar is slidably matched with interior frame bar, and molding bar can edge
Outside moulding and interior frame bar vertically move；Regulate left unit and regulate the connecting portion of right unit
Stretch out and the end of cavity and molding bar is installed fixes and be connected；
It is articulated with the 3rd tooth on lower wall on the gear mounting groove of moulding lateral wall outside described die cavity
Wheel shaft；It is horizontally fixed with the 3rd gear on described 3rd gear shaft；On described moving body lateral wall
Form the 3rd tooth bar；3rd gear and the engagement of the 3rd tooth bar.
Preferred as technique scheme, one end of described outside moulding is sliding with the first frame bar
Dynamic cooperation, the other end and second frame bar of outside moulding are slidably matched；Described lateral attitude is adjusted
Regulating device structure is identical with the left unit of regulation and the right unit of regulation, described lateral attitude adjusting means
Connecting portion be horizontally disposed with；One end of described outside moulding and the lateral attitude in the first frame bar
Adjusting means connecting portion is connected；The other end of outside moulding and the lateral attitude of the second frame bar are adjusted
Regulating device connecting portion is connected.
Preferred as technique scheme, described connecting portion includes slide block, is located at slide block side
Contiguous block, described square protuberance is connected with slide block, and described molding bar is connected with contiguous block.
Preferred as technique scheme, the end of described left-right rotary screw mandrel is fixed with the first tune
Monoblock, the end of described first gear shaft is fixed with the second adjustment block, described first adjustment block and
" one " font groove is all offered in second adjustment block；Described outside moulding offers and device guide groove
The first access of connection and the second adjusting hole, described first adjustment block is positioned at the first access
Bottom, described second adjustment block is positioned at the bottom of the second adjusting hole.
Preferred as technique scheme: the end of described 3rd gear shaft is fixed with the 3rd
Adjustment block, the 3rd adjustment block is all offered " one " font groove；Described outside moulding offer with
3rd adjusting hole of gear mounting groove connection, described 3rd adjustment block is positioned at the end of the 3rd adjusting hole
Portion.
The beneficial effects of the utility model are: lengthwise position adjusting means includes regulating left unit
With the right unit of regulation, the position of two molding bars individually can be adjusted, to meet each mould
The slight change of the size of the substrate of cell type intracavity.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of this utility model a kind of BGA molding die；
Fig. 2 is BGA molding die structural representation after broken section in Fig. 1；
Fig. 3 is enlarged drawing at C in Fig. 1；
Fig. 4 is enlarged drawing at B in Fig. 2；
Fig. 5 is the structural representation of lengthwise position adjusting means 10 involved by this utility model；
Fig. 6 is the lengthwise position adjusting means 10 structural representation after broken section in Fig. 5；
Fig. 7 is the top view of Fig. 5；
Fig. 8 is the lengthwise position adjusting means 10 structural representation after broken section in Fig. 7；
Fig. 9 is enlarged drawing at A in Fig. 8；
In figure, 10, moving body；101, square groove；102, left-right rotary screw mandrel；1021,
One adjustment block；103, left brake pad；104, right brake pad；11, left unit is regulated；110、
Connecting portion；1101, slide block；1102, contiguous block；111, square protuberance；112, rectangular cavity
Room；113, the first tooth bar；114, the second tooth bar；115, the first gear；116, the second tooth
Wheel；117, the first gear shaft；1171, the second adjustment block；118, the second gear shaft；12、
Regulate right unit；20, die holder；30, barrel；40, diaphragm capsule；41, interior frame bar；42、
Moulding outside die cavity；4201, the first access；4202, the second adjusting hole；426, chute；
427, device guide groove；4281, the 3rd tooth bar；4282, the 3rd gear；4283, the 3rd tooth
Wheel shaft；4284, the 3rd adjusting hole；4285, the 3rd adjustment block；429, gear mounting groove；
43, the first frame bar；44, the second frame bar；45, mold cavity forming bar module；451, become
Type bar；51, lateral attitude adjusting means.
Detailed description of the invention:
As shown in Figure 1 and Figure 2, a kind of BGA molding die, including die holder 20, in die holder
Portion is longitudinally uniformly placed with multiple barrel 30, and the left and right sides of barrel 30 is provided with diaphragm capsule 40,
Described diaphragm capsule 40 include longitudinally disposed interior frame bar 41, longitudinally disposed outside moulding 42,
First frame bar 43 of horizontally set, the second frame bar 44 of horizontally set, described diaphragm capsule 40
It is isolated into multiple die cavity 401 by mold cavity forming bar module 45；Described interior frame bar 41 is positioned at
The side of barrel 30, described interior frame bar 41, outside moulding the 42, first frame bar 43,
Second frame bar 44 constitutes total die cavity of frame type；Outside die cavity, moulding 42 is uniformly provided with
Some lengthwise position adjusting meanss；It is symmetrically installed in first frame bar 43 and the second frame bar 44
There is lateral attitude adjusting means 51；
As shown in Fig. 4, Fig. 6, outside described die cavity moulding 42 internal offer longitudinally through
Device guide groove 427；Outside described die cavity, moulding 42 medial wall offers chute 426, outside
Wall offers gear mounting groove 429；Described lengthwise position adjusting means includes moving body 10, adjusts
Save left unit 11 and regulate right unit 12；Described moving body 10 is plugged in moulding outside die cavity
In 42 inner chambers；Regulate left unit and regulate right unit symmetry to be plugged in moving body 10 symmetrical
In the square groove 101 of distribution；The left unit of described regulation is identical with regulating right cellular construction；Described
Regulate left unit and the right unit of regulation all includes square protuberance 111 and connecting portion 110；Described side
Shape protuberance 111 activity is plugged in square groove 101；It is logical that described square protuberance 111 offers left and right
Saturating square chamber 112；The two lateral walls of square chamber is provided with the first tooth bar 113 and
Two tooth bars 114, the first tooth bar 113 engages with the first gear 115, the second tooth bar 114 and
Two gears 116 engage, and described first gear is fixed on the first gear shaft 117, the first gear
The two ends of axle 117 are articulated on the sidewall of square groove, and described second gear 116 is articulated in second
On gear shaft 118, the two ends of the second gear shaft 118 are articulated on the sidewall of square groove 101；
Pivot joint one left-right rotary screw mandrel 102 on the sidewall of described square groove 101, left-right rotary screw mandrel 102 with
First gear shaft 117 is parallel with the second gear shaft 118, and left-right rotary screw mandrel 102 is through rectangular cavity
Room 112, left-right rotary screw mandrel 102 includes left-handed screw mandrel section and dextrorotation screw mandrel section, left-handed screw mandrel section
On be spirally connected left-handed nut, dextrorotation screw mandrel section is spirally connected right-handed nut, and left-handed nut is fixed with a left side
Brake pad 103, right-handed nut is fixed with right brake pad 104, the end of left brake pad 103
All it is movably set on the second gear shaft 118 with the end of right brake pad 104, described left friction
Block 103 and right brake pad 104 are positioned at the both sides of the second gear 116；
As shown in Figure 2, Figure 4 shows, described mold cavity forming bar module 45 is by two adjacent molding
Bar 451 forms；Molding bar 451 one end is slidably matched with outside moulding 42, molding bar 451
The other end be slidably matched with interior frame bar 41, molding bar 451 can be along outside moulding 42 and interior
Frame bar 41 vertically moves；The connecting portion 110 regulating left unit and the right unit of regulation stretches out
Installation cavity is fixing with the end of molding bar 451 to be connected；
As shown in Figure 2, Figure 4 shows, the gear mounting groove of moulding 42 lateral wall outside described die cavity
The 3rd gear shaft 4283 it is articulated with on lower wall on 429；Level on described 3rd gear shaft 4283
It is fixed with the 3rd gear 4282；The 3rd tooth bar 4281 is formed on described moving body 10 lateral wall；
3rd gear 4282 engages with the 3rd tooth bar 4281.
As shown in Fig. 2, Fig. 6；One end of described outside moulding 42 is sliding with the first frame bar 43
Dynamic cooperation, the other end and second frame bar 44 of outside moulding 42 are slidably matched；Described laterally
Apparatus for adjusting position structure is identical with the left unit of regulation and the right unit of regulation, and described lateral attitude is adjusted
The connecting portion 110 of regulating device is horizontally disposed with；One end of described outside moulding 42 and the first frame
Lateral attitude adjusting means connecting portion 110 in bar 43 is connected；The other end of outside moulding 42
It is connected with the lateral attitude adjusting means connecting portion 110 of the second frame bar 44.
As shown in Figure 5, Figure 7, described connecting portion 110 includes slide block 1101, is located at by slide block
The contiguous block 1102 of side, described square protuberance 111 is connected with slide block, described molding bar 451
It is connected with contiguous block 1102.
As shown in Fig. 3, Fig. 6, the end of described left-right rotary screw mandrel 102 is fixed with the first adjustment
Block 1021, the end of described first gear shaft 117 is fixed with the second adjustment block 1171, described
" one " font groove is all offered in first adjustment block 1021 and the second adjustment block 1171；Outside described
Frame bar 42 offers the first access 4201 and second connected with device guide groove 427 and adjusts
Hole 4202, described first adjustment block 4201 is positioned at the bottom of the first access 4201, described
Second adjustment block position 1171 is in the bottom of the second adjusting hole 4202.
As it is shown on figure 3, the end of described 3rd gear shaft 4283 is fixed with the 3rd adjustment block
4285, the 3rd adjustment block 4285 is all offered " one " font groove；Described outside moulding 42 is opened
It is provided with the 3rd adjusting hole 4284 connected with gear mounting groove 429, described 3rd adjustment block position
4285 in the bottom of the 3rd adjusting hole 4284.
During concrete operations, BGA molding die described in the utility model adjusts the work of molding bar position
Make flow process as follows:
First, rotate the 3rd gear shaft 4283 and drive the 3rd gear 4282, the 3rd gear 4282
Drive the 3rd tooth bar 4281, drive the 3rd tooth bar 4281 to drive moving body 10 mass motion；
Second, the left unit of operation regulation 11 and the right unit 12 of regulation: turn left-right rotary screw mandrel 102,
Left brake pad 103 and right brake pad 104 is made to disengage with the second gear 116；Turn first
Gear shaft 117, the first gear shaft 117 drives the first gear 115 to rotate, the first gear 115
Driving the first tooth bar 113 on square chamber 112 1 sidewall overhanging, the first tooth bar 113 drives
Square protuberance 111 is overhanging in square groove 101, and square protuberance 111 drives and regulates left unit
11 (regulating right unit 12) are moved in installing cavity, and so, moving body passes through connecting portion
110 drive molding bar 451 to make vertically moving of trace along outside moulding 42 and interior frame bar 41；
Meanwhile, the second tooth bar 114 on square another sidewall of chamber 112 declines, the second tooth bar
114 drive the second gear 116 to rotate around the second gear shaft 118；
3rd, when molding bar 451 longitudinally moves to precalculated position, turn left-right rotary screw mandrel
102, left-handed nut and right-handed nut drive left brake pad 103 and right brake pad 104 to press from both sides respectively
Tight second gear 116, to lock the second gear 116, the locking of the second gear 116 makes second
Tooth bar 114 locks, and the locking of the second tooth bar 114 makes square protuberance 111 be positioned at square groove
In 101, and then molding bar 451 position is made to keep stable.
Above content is only better embodiment of the present utility model, for the common skill of this area
Art personnel, according to thought of the present utility model, the most all can
Change part, and this specification content should not be construed as restriction of the present utility model.
Claims (5)
1. a BGA molding die, including die holder (20), the middle part of die holder the most uniformly row
Being furnished with multiple barrel (30), the left and right sides of barrel (30) is provided with diaphragm capsule (40), described
Diaphragm capsule (40) include longitudinally disposed interior frame bar (41), longitudinally disposed outside moulding (42),
First frame bar (43) of horizontally set, second frame bar (44) of horizontally set, described mould
Box (40) is isolated into multiple die cavity (401) by mold cavity forming bar module (45)；In described
Frame bar (41) is positioned at the side of barrel (30), described interior frame bar (41), outer rim
Bar (42), the first frame bar (43), the second frame bar (44) constitute total die cavity of frame type；
Moulding (42) is uniformly provided with outside die cavity some lengthwise position adjusting meanss；First frame
It is symmetrically installed with lateral attitude adjusting means (51) in bar (43) and the second frame bar (44)；
It is characterized in that:
Outside described die cavity moulding (42) internal offer longitudinally through device guide groove (427)；
Outside described die cavity, moulding (42) medial wall offers chute (426), lateral wall offers tooth
Wheel mounting groove (429)；Described lengthwise position adjusting means includes moving body (10), a regulation left side
Unit (11) and the right unit of regulation (12)；Described moving body (10) is plugged in outside die cavity
In moulding (42) inner chamber；Regulate left unit and the right unit symmetry of regulation is plugged in moving body (10)
In the square groove (101) of symmetrical distribution；The left unit of described regulation and regulation right unit knot
Structure is identical；The left unit of described regulation and the right unit of regulation all include square protuberance (111) and connect
Meet portion (110)；The activity of described square protuberance (111) is plugged in square groove (101)；Institute
State square protuberance (111) and offer the square chamber (112) that left and right is penetrating；The phase of square chamber
Two side is provided with the first tooth bar (113) and the second tooth bar (114), the first tooth bar (113)
Engaging with the first gear (115), the second tooth bar (114) engages with the second gear (116),
Described first gear is fixed on the first gear shaft (117), the two of the first gear shaft (117)
End is articulated on the sidewall of square groove, and described second gear (116) is articulated in the second gear shaft
(118), on, the two ends of the second gear shaft (118) are articulated in the sidewall of square groove (101)
On；Pivot joint one left-right rotary screw mandrel (102), left-right rotary on the sidewall of described square groove (101)
Screw mandrel (102) is parallel with the first gear shaft (117) and the second gear shaft (118), left and right
Rotation screw mandrel (102) is through square chamber (112), and left-right rotary screw mandrel (102) includes left-handed silk
Bar segment and dextrorotation screw mandrel section, left-handed screw mandrel section is spirally connected left-handed nut, and dextrorotation screw mandrel section is spirally connected
Right-handed nut, left-handed nut is fixed with left brake pad (103), right-handed nut is fixed with the right side
Brake pad (104), the end of left brake pad (103) and the end of right brake pad (104) are equal
It is movably set on the second gear shaft (118), described left brake pad (103) and right brake pad
(104) both sides of the second gear (116) it are positioned at；
Described mold cavity forming bar module (45) is made up of two adjacent molding bars (451)；
Molding bar (451) one end is slidably matched with outside moulding (42), molding bar (451) another
One end is slidably matched with interior frame bar (41), and molding bar (451) can be along outside moulding (42)
Vertically move with interior frame bar (41)；Regulate left unit and regulate the connecting portion of right unit
(110) stretch out and the end of cavity and molding bar (451) is installed fixes and be connected；
Outside described die cavity on the upper lower wall of the gear mounting groove (429) of moulding (42) lateral wall
It is articulated with the 3rd gear shaft (4283)；It is horizontally fixed with on described 3rd gear shaft (4283)
3rd gear (4282)；The 3rd tooth bar (4281) is formed on described moving body (10) lateral wall；
3rd gear (4282) engages with the 3rd tooth bar (4281).
A kind of BGA molding die the most according to claim 1, it is characterised in that: institute
The one end stating outside moulding (42) is slidably matched with the first frame bar (43), outside moulding (42)
The other end and the second frame bar (44) be slidably matched；Described lateral attitude adjusting means structure
Identical with the left unit of regulation and the right unit of regulation, the connecting portion of described lateral attitude adjusting means
(110) it is horizontally disposed with；One end of described outside moulding (42) and the first frame bar (43)
Interior lateral attitude adjusting means connecting portion (110) is connected；Outside moulding (42) another
End is connected with lateral attitude adjusting means connecting portion (110) of the second frame bar (44).
A kind of BGA molding die the most according to claim 1, it is characterised in that: institute
State connecting portion (110) to include slide block (1101), be located at the contiguous block (1102) of slide block side,
Described square protuberance (111) is connected with slide block, described molding bar (451) and contiguous block (1102)
Connect.
A kind of BGA molding die the most according to claim 1, it is characterised in that: institute
The end stating left-right rotary screw mandrel (102) is fixed with the first adjustment block (1021), described first tooth
The end of wheel shaft (117) is fixed with the second adjustment block (1171), described first adjustment block (1021)
With all offer " one " font groove in the second adjustment block (1171)；Described outside moulding (42)
Offer the first access (4201) and the second adjusting hole connected with device guide groove (427)
(4202), described first adjustment block (4201) is positioned at the bottom of the first access (4201),
Described second adjustment block position (1171) is in the bottom of the second adjusting hole (4202).
A kind of BGA molding die the most according to claim 1, it is characterised in that: institute
The end stating the 3rd gear shaft (4283) is fixed with the 3rd adjustment block (4285), and the 3rd adjusts
" one " font groove is all offered on block (4285)；Described outside moulding (42) offers and tooth
The 3rd adjusting hole (4284) that wheel mounting groove (429) connects, described 3rd adjustment block position (4285)
Bottom in the 3rd adjusting hole (4284).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176285.9U CN205522126U (en) | 2016-03-08 | 2016-03-08 | BGA mould utensil of moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620176285.9U CN205522126U (en) | 2016-03-08 | 2016-03-08 | BGA mould utensil of moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205522126U true CN205522126U (en) | 2016-08-31 |
Family
ID=56781074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620176285.9U Expired - Fee Related CN205522126U (en) | 2016-03-08 | 2016-03-08 | BGA mould utensil of moulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205522126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666745A (en) * | 2016-03-08 | 2016-06-15 | 浙江乔兴建设集团湖州智能科技有限公司 | BGA (Ball Grid Array) molding die |
-
2016
- 2016-03-08 CN CN201620176285.9U patent/CN205522126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666745A (en) * | 2016-03-08 | 2016-06-15 | 浙江乔兴建设集团湖州智能科技有限公司 | BGA (Ball Grid Array) molding die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yan Ou Yang Inventor before: Ye Weiran |
|
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| TR01 | Transfer of patent right |
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