CN102024714A - Ceramic column grid array packaging and column planting device - Google Patents
Ceramic column grid array packaging and column planting device Download PDFInfo
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- CN102024714A CN102024714A CN 201010286046 CN201010286046A CN102024714A CN 102024714 A CN102024714 A CN 102024714A CN 201010286046 CN201010286046 CN 201010286046 CN 201010286046 A CN201010286046 A CN 201010286046A CN 102024714 A CN102024714 A CN 102024714A
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- feed bin
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- overcoat
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Abstract
The invention relates to a ceramic column grid array packaging and column planting device. The invention is characterized in that the device comprises a feeding tube, a stock bin, a sheath, a valve and a cap, wherein the feeding tube, the stock bin and the valve are sequentially connected, the tube cavities are opposite along axial direction, the stock bin and the valve are respectively sheathed in the sheath and the cap, the cap is provided with a discharge hole, and the discharge hole is opposite to the tube cavity of the valve. A welding column is arranged in the tube cavity of the column planting device by virtue of the feeding tube, the column planting device is vertically placed on the case of the tube to be welded when planting the column, and the stock bin drives the valve to move along axial direction in the sheath, thus controlling the delivery of the welding column by utilizing the open and close of the tube cavity of the valve to realize automatic welding column planting. By utilizing the invention, the problems that manual column planting wastes time and labor and the accuracy is low are solved, and the work efficiency and the column planting accuracy are greatly improved.
Description
Technical field
The present invention relates to one kind and plant column device, particularly a kind of column device of planting that adopts Ceramic column grid array technology when encapsulation belongs to integrated circuit encapsulation technology field.
Background technology
Ceramic column grid array (CCGA, Ceramic Column Grid Array) encapsulation is the expansion at ceramic ball grid array (CBGA, Ceramic Ball Grid Array) packing forms.When CBGA package dimension during greater than 32mm, the reliability of CBGA soldered ball reduces, and does not satisfy the occasion of highly reliable application.The CCGA encapsulation adopts the column pin to substitute the spherical pin of CBGA, its reliability and heat dispersion have obtained large increase, simultaneously, owing to adopt ceramic packaging and column pin form, make CCGA spare have good moisture resistance energy, form CCGA long useful life and high reliability, just constantly increase in the application of military, space flight and field of telecommunications.
The CCGA encapsulation has obtained high volume applications in high-end products such as FPGA, DSP, SoC in the world, and the lead-out terminal of CCGA product has reached more than 2000.CCGA has two kinds of pitches of 1.27mm, 1.0mm.Plant the post pattern and have two kinds: first kind of mode is band support plate mode, and after welding column was fixed by support plate (being generally ceramic wafer), integral body was aimed at shell and refluxed and finish welding again; The second way is a bonding wire post mode, and welding column carries out Reflow Soldering again by fixing with the on all four graphite template in shell substrate pads position, the demoulding after welding is finished.This patent just belongs to the distributor of welding column in the bonding wire post mode.
But CCGA encapsulation also is in development at home, lacks relevant technical research basis and equipment, and because external blockade on new techniques, do not retrieve yet domestic have with CCGA plant column method and device-dependent data.And when concrete the use, the general employing by hand planted post by one one of tweezers clamping welding column.Efficient is low, and consistency is poor, and the tweezers chucking power also can be damaged the welding column surface.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provide a kind of Ceramic column grid array encapsulation to plant column device, this device solves integrated circuit is carried out CCGA when encapsulation, only can't be to the problem of welding column auto arrangement by manual operation, also avoided owing to manually plant the surperficial chucking power that post adopts clip gripping welding column to form the injury problem that welding column is caused simultaneously.
Technical solution of the present invention is:
Column device is planted in a kind of Ceramic column grid array encapsulation, it is characterized in that comprising: material loading, feed bin, overcoat, valve and cap, the upper end open of feeding tube is used to fill welding column, the lower ending opening of feeding tube links to each other with the upper port of feed bin, the lumen size of feeding tube is greater than the diameter of welding column, and, thereby make the arrangement that welding column is can only be in tube chamber end to end at least less than the twice of welding column diameter length; Feed bin is placed in the overcoat, and feed bin can move up and down in overcoat vertically, and the intracavity diameter of feed bin is greater than the welding column diameter, but less than the lumen size of feeding tube; Cap is placed in the overcoat lower end, and there is the discharging opening that adapts with the welding column diameter cap bottom, the inner baffle plate in addition of cap, and the baffle plate of cap forms central opening; Valve is subjected to the contractile device of radial load for having hollow tube chamber and lower end, valve links to each other with feed bin, the tube chamber of valve and the inner chamber of feed bin joins and when not shrinking and the inner chamber of feed bin adapt, valve is along enlarging gradually from top to bottom perpendicular to the axial radial diameter of feed bin, the drive of valve receiver bin and feed bin move along same direction, when valve is subjected to perpendicular to the axial radial load of feed bin, the tube chamber of valve will shrink back locking.
When planting post, welding column is in feeding tube is loaded on feed bin, and when feed bin was not subjected to axial downforce, the tube chamber of valve was subjected to the radial load of the baffle plate of cap to be in locking state; When depressing feed bin vertically, feed bin promotes valve vertically downwards, and when valve moves to radial diameter and is equal to or less than the baffle plate central opening diameter of cap, the tube chamber of valve will be opened, and welding column can fall into valve and sends through the discharging opening of cap from feed bin; When lifting feed bin vertically, feed bin will make progress movable vertically and drive valve and return to the home position, and the tube chamber of valve is locked by the baffle plate of cap.
The lower end of described feed bin also is equipped with elastic device, and when feed bin is stressed when moving downward, elastic device is compressed, and when feed bin did not stress, elastic device can promote feed bin and return to original position.
Described feed bin top is equipped with pressing plate, presses or lifts pressing plate and can make feed bin motion downward or upward vertically in overcoat.When elastic device was installed, feed bin can rely on elastic device to return to original position when pressing plate not.
Projection is arranged at described feed bin top, and outstanding fork mouthful in described outer set upper side is oriented, the fork of the projection on feed bin top and outer set upper side mouthful adapt, when moving upward in order to control feed bin with respect to the highest recovery position of overcoat.
The size basically identical of the tube chamber of the tube chamber of described feeding tube, the inner chamber of feed bin, valve and the discharging opening internal orifice dimension of cap, but axially degree improves successively, thus guarantee that welding column axis and the perpendicularity of planting cylinder improve piecemeal.
The present invention compared with prior art has following advantage:
(1) utilizes the present invention can when planting post, realize the auto arrangement of welding column, obviously improved operating efficiency.
Perpendicularity when (2) adopting the present invention can guarantee that welding column is sent, and do not have chucking power and act on the welding column surface, have be convenient to operate, the advantage of finished product high conformity.
(3) the present invention also can utilize pressing plate to be fixed on the fixed station except that manually actuated, utilizes vibrating air cylinder to realize planting automatically post.
Description of drawings
Fig. 1 is for planting the column device schematic diagram;
Fig. 2 is the feed bin cutaway view;
Fig. 3 is the valve cutaway view;
Installation diagram when Fig. 4 plants post automatically for adopting the present invention.
Embodiment
Below just the present invention is done further introduction in conjunction with embodiment.
As Fig. 1, for Ceramic column grid array of the present invention encapsulates the cutaway view along axis of planting column device, comprising: feeding tube 1, feed bin 3, overcoat 4, valve 5 and cap 6 also comprise pressing plate 2 and cutting ferrule 7 simultaneously.
Wherein, feeding tube 1 is the flexible pipe of both ends open, is used for filling scolder to planting column device; Feed bin 3 utilizes its inner chamber can store the pre-welding column that uses when planting post, and it can be arranged in order up and down along feed bin 3 axis directions; Valve 5 is for being used to control the switching device of welding column output, and in the suitable time interval, valve is whenever opened once, can send a welding column; Overcoat 4 is used to overlap charging hopper 3 and valve 5 with cap 6; Cap 6 has the discharging opening 61 relative with the valve opening.Pressing plate 2 in the present embodiment is installed on feed bin 3 and exceeds position on the overcoat 4, utilizes vertically the motion in overcoat 4 of pressing plate 2 may command feed bins 3.
That adopts present embodiment plants column device when CCGA packing forms integrated circuit is planted post, plants column device and will place perpendicular to the pin face of the ceramic cartridge that is welded.
Feeding tube 1 upper end is used to connect the hopper of loading scolder, and dock with the upper shed of feed bin 3 inner chambers the lower end, can fix by nut.The scolder that the CCGA encapsulation is adopted is diameter 0.5mm, the cylinder of axial length 2.2mm, and material is a plumber's solder, the welding column of surface gold-plating.For making welding column can end to end order enter feeding tube 1, and do not stop up, the lumen diameter of feeding tube 1 is larger than the diameter of scolder, and is less than the diameter of 2 times scolder.In the present embodiment, the lumen diameter of feeding tube 1 is greater than welding column diameter 0.2～0.5mm.Simultaneously, because when planting post, the up and down global shape that can influence feeding tube 1 of feed bin 3, the length of desirable feeding tube 1 is greater than two joint air line distances, 3～5mm during assembling, make two ends connect back feeding tube 1 and can have certain radian, and this radian to not form the dead angle much larger than 90 degree.Guaranteed when feed bin 3 moves up and down by this kind design, can not influence in feeding tube 1 and fill welding column.
Be illustrated in figure 2 as in the embodiment of the invention feed bin 3 along the cutaway view of axis.Feed bin 3 is the combination rotary structure, and the tube chamber of hollow is arranged, and adopts rigid material.The diameter of tube chamber is greater than welding column diameter 0.1～0.15mm, and therefore, the axiality of welding column in feed bin 3 is than the axiality height 1 li of feeding tube.Feed bin 3 is placed in the overcoat 4, and the upper end open of overcoat 4 is inwardly outstanding to be formed fork mouthful and adapt with the outside projection in feed bin 3 upper ends.When feed bin 3 moves upward in overcoat 4, can utilize this design to block feed bin 3, thereby define the highest recovery position that feed bin 3 moves in overcoat 4.In the present embodiment,, exceed the top of overcoat 4, baffle plate 2 is installed at feed bin 3 for ease of controlling that feed bin 3 is moved up and down.Baffle plate 2 can hand, perhaps utilizes cylinder to cooperate the mode of air control unit to press.
Be illustrated in figure 3 as in the embodiment of the invention valve along the profile of axis.Valve 5 is connected with the lower end of feed bin 3.Valve 5 for have the hollow tube chamber, the structure of collapsible locking tube chamber when the lower end is subjected to radial load.The inner chamber of the tube chamber of valve 5 and feed bin 3 joins, and the diameter of valve 5 tube chambers is greater than welding column diameter 0.08～0.15mm.When valve 5 was in opening, tube chamber can allow welding column therefrom vertically to skid off.In the present embodiment, valve 5 upper ends are step axle construction; The lower end is the truncated cones structure, and conical surface upper end external diameter is 2.1mm, conical surface lower end external diameter 3.6mm.Having four width on the taper seat of valve 5 uniformly is 0.2mm, and the degree of depth is the groove for 2.1mm, and along radial compression taper seat part perpendicular to axial direction, four grooves will shrink, thereby makes the locking of hollow tube chamber, and welding column can't pass through, and valve is in locking state.For the design of groove in the valve, also can evenly have three grooves, thereby when locking, the alignment of post, wimble fraction will be better.When not implementing to plant post, feed bin 3 is in the home position with valve 5, and this moment, valve 5 was subjected to radial load, and welding column is held in plants in the column device.When implementing to plant post, when feed bin 3 drive valve 5 moved downward, because valve 5 moves along the direction that external diameter diminishes, radial load disappeared, and tube chamber is opened, and welding column drops out.Control the time interval well, whenever send a welding column, thereby feed bin 3 rises and drives valve 5 and be back to locked position again.Except that valve structure shown in the present embodiment, the valve among the present invention also can adopt the structure that has same function with valve shown in the present embodiment, to guarantee the function of whole device.
Whole lower end of planting column device is equipped with cap 6, and cap 6 tops also have discharging opening 61, is used to guarantee the stable of welding column launching position.The discharging opening internal orifice dimension makes welding column be discharging opening through the inner chamber of feed bin 3, the tube chamber of valve 5 greater than welding column diameter 0.05～0.08mm, and its axis improves successively to the perpendicularity of planting cylinder.Inside at cap 6 also has baffle plate 62, and baffle plate 62 extends internally around the inwall of cap, and forms a central opening, and the diameter of central opening can guarantee when unreal welding connects that valve 5 is subjected to radial load and locks.In the present embodiment, for better guaranteeing the locking of valve 5, adopted cutting ferrule 7, cutting ferrule 7 is the cylinder barrel shaped structure, and lower diameter is greater than upper diameter, and cutting ferrule 7 is positioned on baffle plate 62, when valve 5 is installed, link to each other with feed bin 3 again after valve 5 passed cutting ferrule 7 from top to bottom.The internal diameter of cutting ferrule 7 can be valve 5 the above-mentioned radial load that is used to lock is provided.
In the present embodiment, be further to realize automaticity of the present invention, spring be installed at 62 on the baffle plate of feed bin 3 lower ends and cap 6.All the time be in compressive state after spring is mounted, when feed bin 3 was subjected to downforce and moves downward, spring will further be compressed.When downforce disappeared, spring relied on the tension force of self can promote feed bin 3 to original recovery position.When adopting cutting ferrule 7, spring is installed on 7 of feed bin 3 and cutting ferrules, and when feed bin 3 did not stress, spring is the tension force whereby the time still, and cutting ferrule 7 is peaked on the baffle plate 62.
The column device of planting of the present invention can adopt manual or automatic mode to operate.During manual operation, hold that overcoat keeps planting column device and to plant cylinder perpendicular, utilize hopper or manually in feeding tube 1, fill welding column, and after descending dynamic pressure plate to send welding column one by one, move to the next position again.When operating automatically, as shown in Figure 4, can plant column device and be fixed on the workbench by the welded tube shell, vibrator 9 be used to press down pressing plate 2.Adjust the propelling time interval of cylinder and plant column device with by after each relative movement mode, horizontal clearance and the vertical range of welded tube shell 10, operate.Cylinder 9 promotes once, presses down pressing plate 2 once, moves according to the move mode of definition and plants column device or by welded tube shell 10 once, carries out planting post up to whole welding columns successively and finishes.During for automatic operation, for ease of the column device of planting of the present invention is fixed, also can be in the arranged outside projection 42 of overcoat 4, and adopt corresponding manner shown in Figure 1 to fix.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, all should be included within protection scope of the present invention.
Claims (7)
1. column device is planted in a Ceramic column grid array encapsulation, it is characterized in that comprising: feeding tube (1), feed bin (3), overcoat (4), valve (5) and cap (6), the upper end open of feeding tube (1) is used to fill welding column, the lower ending opening of feeding tube (1) links to each other with the upper port of feed bin (3), the lumen size of feeding tube (1) is greater than the diameter of welding column, and, thereby make the arrangement that welding column is can only be in tube chamber end to end at least less than the twice of welding column diameter length; Feed bin (3) is placed in the overcoat (4), and feed bin (3) can move up and down in overcoat (4) vertically, and the intracavity diameter of feed bin (3) is greater than the welding column diameter, but less than the lumen size of feeding tube (1); Cap (6) is placed in overcoat (4) lower end, and there is the discharging opening (61) that adapts with the welding column diameter cap (6) bottom, the inner baffle plate (62) in addition of cap (6), and the baffle plate of cap (62) forms central opening; Valve (5) is subjected to the contractile device of radial load for having hollow tube chamber and lower end, valve (5) links to each other with feed bin (3), the inner chamber of the tube chamber of valve (5) and feed bin (3) join and when not shrinking and the inner chamber of feed bin (3) adapt, valve (5) is along enlarging gradually from top to bottom perpendicular to the axial radial diameter of feed bin (3), the drive of valve (5) receiver bin (3) and feed bin (3) move along same direction, when valve (5) is subjected to perpendicular to the axial radial load of feed bin (3), the tube chamber of valve (5) will shrink back locking.
2. column device is planted in a kind of Ceramic column grid array encapsulation according to claim 1, it is characterized in that: the lower end of described feed bin (3) also is equipped with elastic device, when stressed the moving downward of feed bin (3), elastic device is compressed, when feed bin (3) when not stressing, elastic device can promote feed bin (3) and return to original position.
3. column device is planted in a kind of Ceramic column grid array encapsulation according to claim 1, and it is characterized in that: described feed bin (3) top is equipped with pressing plate (2), presses or lifts pressing plate (2) and can make feed bin (3) motion downward or upward vertically in overcoat (4).
4. column device is planted in a kind of Ceramic column grid array encapsulation according to claim 1 and 2, and it is characterized in that: described feed bin (3) top is equipped with pressing plate (2), presses pressing plate (2) feed bin (3) is moved downward in overcoat (4) vertically; Not pressing pressing plate (2) feed bin (3) can rely on elastic device to return to original position.
5. column device is planted in a kind of Ceramic column grid array encapsulation according to claim 1 and 2, it is characterized in that: projection is arranged at described feed bin (3) top, there is inwardly outstanding fork mouth described overcoat (4) upper end, the fork of the projection on feed bin (3) top and overcoat (4) upper end mouthful adapts, in order to control feed bin (3) the highest recovery position with respect to overcoat (4) when moving upward.
6. column device is planted in a kind of Ceramic column grid array encapsulation according to claim 3, it is characterized in that: projection is arranged at described feed bin (3) top, there is inwardly outstanding fork mouth described overcoat (4) upper end, the fork of the projection on feed bin (3) top and overcoat (4) upper end mouthful adapts, in order to control feed bin (3) the highest recovery position with respect to overcoat (4) when moving upward.
7. column device is planted in a kind of Ceramic column grid array encapsulation according to claim 1 and 2, it is characterized in that: the size basically identical of the discharging opening internal orifice dimension of the inner chamber of the tube chamber of described feeding tube (1), feed bin (3), the tube chamber of valve (5) and cap (6), but axially degree improves successively, thereby guarantees that welding column axis and the perpendicularity of planting cylinder improve piecemeal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010286046 CN102024714B (en) | 2010-09-17 | 2010-09-17 | Ceramic column grid array packaging and column planting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010286046 CN102024714B (en) | 2010-09-17 | 2010-09-17 | Ceramic column grid array packaging and column planting device |
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| Publication Number | Publication Date |
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| CN102024714A true CN102024714A (en) | 2011-04-20 |
| CN102024714B CN102024714B (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010286046 Active CN102024714B (en) | 2010-09-17 | 2010-09-17 | Ceramic column grid array packaging and column planting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378761A (en) * | 2017-07-19 | 2017-11-24 | 上海航天测控通信研究所 | Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices |
| CN108032058A (en) * | 2017-12-22 | 2018-05-15 | 湖南先步信息股份有限公司 | Full-automatic feeding porcelain knob transmission equipment |
| CN108082899A (en) * | 2017-12-22 | 2018-05-29 | 湖南先步信息股份有限公司 | For storing and transmitting the bin component of porcelain knob |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063335Y (en) * | 2007-04-06 | 2008-05-21 | 均豪精密工业股份有限公司 | Device with multiple feeding guide rails for installing semiconductor chip |
| CN201893320U (en) * | 2010-09-17 | 2011-07-06 | 北京时代民芯科技有限公司 | Column grafting device with ceramic column grid array package |
-
2010
- 2010-09-17 CN CN 201010286046 patent/CN102024714B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063335Y (en) * | 2007-04-06 | 2008-05-21 | 均豪精密工业股份有限公司 | Device with multiple feeding guide rails for installing semiconductor chip |
| CN201893320U (en) * | 2010-09-17 | 2011-07-06 | 北京时代民芯科技有限公司 | Column grafting device with ceramic column grid array package |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378761A (en) * | 2017-07-19 | 2017-11-24 | 上海航天测控通信研究所 | Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices |
| CN108032058A (en) * | 2017-12-22 | 2018-05-15 | 湖南先步信息股份有限公司 | Full-automatic feeding porcelain knob transmission equipment |
| CN108082899A (en) * | 2017-12-22 | 2018-05-29 | 湖南先步信息股份有限公司 | For storing and transmitting the bin component of porcelain knob |
| CN108032058B (en) * | 2017-12-22 | 2023-07-21 | 湖南先步信息股份有限公司 | Full-automatic porcelain knob conveying equipment |
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| CN102024714B (en) | 2013-01-16 |
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