CN107378761A - Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices - Google Patents
Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices Download PDFInfo
- Publication number
- CN107378761A CN107378761A CN201710592592.4A CN201710592592A CN107378761A CN 107378761 A CN107378761 A CN 107378761A CN 201710592592 A CN201710592592 A CN 201710592592A CN 107378761 A CN107378761 A CN 107378761A
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- China
- Prior art keywords
- welding column
- polishing
- equating
- locating piece
- ccga devices
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention relates to the welding column equating auxiliary device for polishing on a kind of CCGA devices and its application method, wherein, the CCGA devices are fixed on welding column equating auxiliary device for polishing, and its welding column protrudes from the welding column equating auxiliary device for polishing, the welding column equating auxiliary device for polishing includes box body, adjusting gasket and welding column locating piece, the adjusting gasket and the welding column locating piece are fastened on the lower section of the box body by some threaded fasteners, the microporous matrix formed by some through holes is set on the welding column locating piece, the present invention solves to be carried out manual grinding or is directly polished on grinder easily to cause the technical problem for damaging welding column using abrasive paper for metallograph in the prior art.
Description
Technical field
The present invention relates to CCGA devices, welding column equating auxiliary device for polishing on more particularly to a kind of CCGA devices and its make
Use method.
Background technology
After the encapsulation of CCGA (ceramic column grid array ceramic grid welding columns array) device, welding column free end
End face is usually cambered surface or sphere, is not plane, while the ceramic base plate surface of CCGA device bodies is uneven, also results in welding column
Free end is integrally uneven, and flatness is poor.If directly the welding column on ceramic substrate is welded in printed board, due to welding column with
Printed board entirety contact quality is poor, and its poor welding quality, or even the welding column having can not be welded effectively, directly affects CCGA work(
Energy.Because CCGA welding columns are easily crooked under external force, in the prior art, manual grinding or straight is carried out using abrasive paper for metallograph
It is connected on grinder and polishes, this polishing easily damages welding column.
The content of the invention
It is an object of the invention to provide the welding column equating auxiliary device for polishing on a kind of CCGA devices, solves existing skill
Abrasive paper for metallograph is used to carry out manual grinding or directly polish on grinder easily to cause the technical problem for damaging welding column in art；
The present invention also aims to provide a kind of application method of the welding column equating auxiliary device for polishing on CCGA devices,
Solve and carry out manual grinding or directly polish on grinder easily to cause to damage welding column using abrasive paper for metallograph in the prior art
Technical problem.
In order to solve the above problems, the invention provides the welding column equating auxiliary device for polishing on a kind of CCGA devices, institute
State CCGA devices to be fixed on welding column equating auxiliary device for polishing, and its welding column protrudes from the welding column equating polishing auxiliary dress
Put, the welding column equating auxiliary device for polishing includes box body, adjusting gasket and welding column locating piece, the adjusting gasket and the weldering
Column positioning block is fastened on the lower section of the box body by some threaded fasteners, is set on the welding column locating piece by some through holes
The microporous matrix of formation, when in use, the ceramic substrate of the CCGA devices between the box body and the adjusting gasket,
The welding column of the CCGA devices is passed through from the middle part groove of the adjusting gasket and passed from the microporous matrix, some screw threads
Fastener is passed through and is fastened on the box body from the welding column locating piece, the adjusting gasket successively.
According to the welding column equating auxiliary device for polishing on a kind of CCGA devices described in present pre-ferred embodiments, the box
Intert a hold-down bolt on body to compress the CCGA devices, the welding column locating piece and the box body.
According to the welding column equating auxiliary device for polishing on a kind of CCGA devices described in present pre-ferred embodiments, the box
The lower surface of body sets a containing groove, described when the threaded fastener fastens the welding column locating piece and the box body
The ceramic substrate of CCGA devices is embedded in the containing groove, and the shim portions of the adjusting gasket are tightly against described
The corner in the pad face of ceramic substrate.
According to the welding column equating auxiliary device for polishing on a kind of CCGA devices described in present pre-ferred embodiments, the box
The middle part of body sets pass through aperture, and this through hole runs through the upper and lower end face of the box body, and the hold-down bolt is from the through hole
Inside it is screwed into and compresses the CCGA devices and the welding column locating piece.
According to the welding column equating auxiliary device for polishing on a kind of CCGA devices described in present pre-ferred embodiments, the weldering
Microporous matrix in column positioning block corresponds with the welding column on the CCGA devices, the via depth on the welding column locating piece
Less than the length of the welding column.
According to the welding column equating auxiliary device for polishing on a kind of CCGA devices described in present pre-ferred embodiments, the pressure
Tight bolt is nonmetallic materials and screw head rounding is handled, and is damaged when avoiding it from compressing the CCGA devices through the box body
Its internal chip.
According to the welding column equating auxiliary device for polishing on a kind of CCGA devices described in present pre-ferred embodiments, the spiral shell
Line fastener is sunk screw, corresponding, and the welding column locating piece, the corner of adjusting gasket are threaded through hole, the box body
The corner of lower surface be provided with thread groove, the threaded fastener is successively from the welding column locating piece, the screw thread of adjusting gasket
Through hole is passed through and is tightly screwed into the thread groove of the box body.
The present invention also provides a kind of application method of the welding column equating auxiliary device for polishing on CCGA devices, including following several
Individual step：
S1：The size after welding column polishing equating on CCGA devices is determined, selects the adjusting gasket of respective thickness, and put
Four sides are alignd therewith on welding column locating piece；
S2：The welding column of CCGA devices through adjusting gasket and is inserted in welding column locating piece in the through hole of microporous matrix, and
Pressing lightly on CCGA devices makes it be brought into close contact with adjusting gasket and welding column locating piece；
S3：Box body is placed on welding column locating piece, and fastened welding column locating piece and box body with threaded fastener；
S4：Hold-down bolt is screwed in into box body and compresses CCGA devices, then with polishing machine to protruding from the weldering of welding column locating piece
Post progress equating is polishing to concordant with welding column locating piece plane；
S5：Hold-down bolt is first unclamped after the completion of polishing and unclamps trip bolt again, CCGA devices are pulled out from welding column locating piece
Go out, and CCGA devices are cleaned, whole CCGA devices welding column equating polishing is completed.
Compared with prior art, there is following technique effect in the present invention：
The present invention provides welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices, is beaten with equating
Mill efficiency high, equating polishing quality conformance are good, equating polishing flatness precision is high, and have in equating bruting process to product
Not damaged, good reliability, simple operation and other advantages；
Welding column locating piece provided by the invention can effectively position protection welding column, make its in equating bruting process not damaged,
Good reliability；
Adjusting gasket provided by the invention has different-thickness series, according to actual welding column height can be needed to be selected
The adjusting gasket of different-thickness, and the welding column of final equating highly matches needed for CCGA devices；
Hold-down bolt provided by the invention can effectively compress CCGA devices, while to CCGA device not damageds.
Brief description of the drawings
Fig. 1 is the structural representation of CCGA devices of the present invention；
Fig. 2 is that the structure of the welding column equating auxiliary device for polishing on a kind of CCGA devices of the present invention disassembles schematic diagram；
Fig. 3 is that the structure that the CCGA devices 1 of the present invention are assembled on welding column equating auxiliary device for polishing disassembles schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, lift a specific embodiment and described in detail.
Fig. 1 is refer to, CCGA devices 1 include ceramic substrate 12 and some welding columns 11, and some welding columns 11 are welded on ceramic base
On plate 12 and it is in matrix distribution, it is compact-sized.In the present invention, when carrying out equating polishing to CCGA devices 1, it is necessary to using weldering
Post equating auxiliary device for polishing, CCGA devices 1 are fixed on equating auxiliary device for polishing, and its welding column 11 protrudes from equating and beaten
Grind servicing unit.
Fig. 2 and Fig. 3 are refer to, welding column equating auxiliary device for polishing includes box body 3, adjusting gasket 4 and welding column locating piece 5,
Adjusting gasket 4 and welding column locating piece 5 are fastened on the lower section of box body 3 by some threaded fasteners 6, and 1 is set on welding column locating piece 5
Welding column 11 is passed through from the middle part groove of adjusting gasket 4 and passed from microporous matrix 51, and some threaded fasteners 6 are successively from welding column
Locating piece 5, adjusting gasket 4 are passed through and are fastened on box body 3.The microporous matrix 51 formed by some through holes is put, when in use,
The ceramic substrate 12 of CCGA devices 1 between box body 3 and adjusting gasket 4, CCGA devices in the present embodiment, threaded fastener
6 preferred sunk screws, corresponding, welding column locating piece 5, the corner of adjusting gasket 4 are threaded through hole, the lower surface of box body 3
Corner is provided with thread groove, and threaded fastener 6 is passed through from the tapped through hole of welding column locating piece 5, adjusting gasket 4 and tightly twisted successively
In the thread groove for entering box body 3.Adjusting gasket 4 is put between the welding column of welding column locating piece 5 and CCGA devices 1, for adjusting welding column
Length after equating, the welding column 11 of CCGA devices 1 is inserted into the microporous matrix 51 of welding column locating piece 5 and welding column 11 is protruded necessarily
Equating length.CCGA devices 1 are enclosed in the cavity that welding column locating piece 5 and box body 3 form by sunk screw, the present embodiment
Dormant bolt sequentially passes through welding column locating piece 5, adjusting gasket 4, box body 3.Intert a hold-down bolt 2 by CCGA devices in the upper end of box body 3
Part 1 compresses in the cavity that welding column locating piece 5 and box body 3 form.
In the present embodiment, the lower surface of box body 3 sets a containing groove 31, and sunk screw is by welding column locating piece 5 and box
When body 3 fastens, the ceramic substrate 12 of CCGA devices 1 is embedded in containing groove 31, and the shim portions of adjusting gasket 4 are tightly
Prop up the corner in the pad face of ceramic substrate 12.The middle part of box body 3 sets pass through aperture, and this through hole is above and below box body 3
End face, hold-down bolt 5 are screwed into out of through hole and compress CCGA devices 1 and welding column locating piece 5.
In the present embodiment, adjusting gasket 4 has different thickness, and the middle part groove of adjusting gasket 4 and CCGA devices
Four angular contacts in the pad face of the ceramic substrate 12 of part 1, do not contacted with the welding column 11 of CCGA devices 1.
In the present embodiment, the welding column 11 on the microporous matrix 51 and CCGA devices 1 on welding column locating piece 5 corresponds,
Via depth on welding column locating piece 5 is less than the length of welding column 11, and the welding column of CCGA devices 1 can be entirely insertable welding column locating piece 5
Microporous matrix 51 through hole in and welding column 11 can whole prominent certain equating length from through hole.
In the present embodiment, hold-down bolt 2 is nonmetallic materials and screw head rounding is handled, and avoids it from passing through box body 3
Its internal chip is damaged when compressing CCGA devices 1.
In the present invention, the application method of welding column equating auxiliary device for polishing, including following steps：
S1：Determine the size after the polishing equating of welding column on CCGA devices 1, select the adjusting gasket 4 of respective thickness, and by its
Four sides alignment therewith is placed on welding column locating piece 5；
S2：The welding column 11 of CCGA devices 1 through adjusting gasket 4 and is inserted in welding column locating piece 5 into microporous matrix 51
In through hole, and pressing lightly on CCGA devices 1 makes it be brought into close contact with adjusting gasket 4 and welding column locating piece 5；
S3：Box body 3 is placed on welding column locating piece 5, and it is with threaded fastener 6 that welding column locating piece 5 and box body 3 is tight
Gu；
S4：Hold-down bolt 2 is screwed in into box body 3 and compresses CCGA devices 1, with polishing machine to protruding from the weldering of welding column locating piece 5
The progress equating of post 11 is polishing to concordant with the plane of welding column locating piece 5；
S5：Hold-down bolt 5 is first unclamped after the completion of polishing and unclamps threaded fastener 6 again, by CCGA devices 1 from welding column locating piece
Extracted in 5, and CCGA devices 1 are cleaned, the whole welding column equating of CCGA devices 1 polishing is completed.
Disclosed above is only the specific embodiment of the application, but the application is not limited to this, any this area
Technical staff can think change, should all fall in the protection domain of the application.
Claims (8)
1. the welding column equating auxiliary device for polishing on a kind of CCGA devices, the CCGA devices are fixed on welding column equating polishing auxiliary
On device, and its welding column protrudes from the welding column equating auxiliary device for polishing, it is characterised in that the welding column equating polishing is auxiliary
Device is helped to include box body, adjusting gasket and welding column locating piece, the adjusting gasket and the welding column locating piece pass through some screw threads
Fastener is fastened on the lower section of the box body, sets the microporous matrix formed by some through holes on the welding column locating piece, makes
Used time, the ceramic substrate of the CCGA devices is between the box body and the adjusting gasket, the welding column of the CCGA devices
Pass through from the middle part groove of the adjusting gasket and passed from the microporous matrix, some threaded fasteners are successively from the weldering
Column positioning block, the adjusting gasket are passed through and are fastened on the box body.
2. the welding column equating auxiliary device for polishing on a kind of CCGA devices as claimed in claim 1, it is characterised in that the box
Intert a hold-down bolt on body to compress the CCGA devices, the welding column locating piece and the box body.
3. the welding column equating auxiliary device for polishing on a kind of CCGA devices as claimed in claim 2, it is characterised in that the box
The lower surface of body sets a containing groove, described when the threaded fastener fastens the welding column locating piece and the box body
The ceramic substrate of CCGA devices is embedded in the containing groove, and the shim portions of the adjusting gasket are tightly against described
The corner in the pad face of ceramic substrate.
4. the welding column equating auxiliary device for polishing on a kind of CCGA devices as claimed in claim 3, it is characterised in that the box
The middle part of body sets pass through aperture, and this through hole runs through the upper and lower end face of the box body, and the hold-down bolt is from the through hole
Inside it is screwed into and compresses the CCGA devices and the welding column locating piece.
5. the welding column equating auxiliary device for polishing on a kind of CCGA devices as claimed in claim 1, it is characterised in that the weldering
Microporous matrix in column positioning block corresponds with the welding column on the CCGA devices, the via depth on the welding column locating piece
Less than the length of the welding column.
6. the welding column equating auxiliary device for polishing on a kind of CCGA devices as claimed in claim 2, it is characterised in that the pressure
Tight bolt is nonmetallic materials and screw head rounding is handled, and is damaged when avoiding it from compressing the CCGA devices through the box body
Its internal chip.
7. the welding column equating auxiliary device for polishing on a kind of CCGA devices as claimed in claim 1, it is characterised in that the spiral shell
Line fastener is sunk screw, corresponding, and the welding column locating piece, the corner of adjusting gasket are threaded through hole, the box body
The corner of lower surface be provided with thread groove, the threaded fastener is successively from the welding column locating piece, the screw thread of adjusting gasket
Through hole is passed through and is tightly screwed into the thread groove of the box body.
8. the application method of the welding column equating auxiliary device for polishing on a kind of CCGA devices, it is characterised in that including following
Step：
S1：The size after welding column polishing equating on CCGA devices is determined, selects the adjusting gasket of respective thickness, and place it in weldering
Four sides are alignd therewith in column positioning block；
S2：The welding column of CCGA devices through adjusting gasket and is inserted in welding column locating piece in the through hole of microporous matrix, and gently
Pressing CCGA devices make it be brought into close contact with adjusting gasket and welding column locating piece；
S3：Box body is placed on welding column locating piece, and fastened welding column locating piece and box body with threaded fastener；
S4：Hold-down bolt is screwed in into box body and compresses CCGA devices, then the welding column for protruding from welding column locating piece is entered with polishing machine
Row equating is polishing to concordant with welding column locating piece plane；
S5：Hold-down bolt is first unclamped after the completion of polishing and unclamps trip bolt again, CCGA devices are extracted from welding column locating piece, and
CCGA devices are cleaned, whole CCGA devices welding column equating polishing is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592592.4A CN107378761A (en) | 2017-07-19 | 2017-07-19 | Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592592.4A CN107378761A (en) | 2017-07-19 | 2017-07-19 | Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107378761A true CN107378761A (en) | 2017-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710592592.4A Pending CN107378761A (en) | 2017-07-19 | 2017-07-19 | Welding column equating auxiliary device for polishing and its application method on a kind of CCGA devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107378761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421830A (en) * | 2021-06-15 | 2021-09-21 | 西安微电子技术研究所 | Nondestructive grinding method and device for welding column of CCGA (ceramic column grid array) device |
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| US6186216B1 (en) * | 1998-12-10 | 2001-02-13 | International Business Machines Corporation | Cast column grid array extraction apparatus and method |
| CN102024714A (en) * | 2010-09-17 | 2011-04-20 | 北京时代民芯科技有限公司 | Ceramic column grid array packaging and column planting device |
| CN103394842A (en) * | 2013-07-23 | 2013-11-20 | 中国电子科技集团公司第五十八研究所 | Arrangement device for CCGA (ceramic column grid array) packaging welding columns and pins |
| CN105655264A (en) * | 2015-12-30 | 2016-06-08 | 北京时代民芯科技有限公司 | Column planting device and column planting method of CCGA (Ceramic Column Gate Array) device |
| CN106564002A (en) * | 2016-11-09 | 2017-04-19 | 北京时代民芯科技有限公司 | Tool and method for controlling coplanarity, position tolerance and perpendicularity of CCGA device welding columns |
-
2017
- 2017-07-19 CN CN201710592592.4A patent/CN107378761A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6186216B1 (en) * | 1998-12-10 | 2001-02-13 | International Business Machines Corporation | Cast column grid array extraction apparatus and method |
| CN102024714A (en) * | 2010-09-17 | 2011-04-20 | 北京时代民芯科技有限公司 | Ceramic column grid array packaging and column planting device |
| CN103394842A (en) * | 2013-07-23 | 2013-11-20 | 中国电子科技集团公司第五十八研究所 | Arrangement device for CCGA (ceramic column grid array) packaging welding columns and pins |
| CN105655264A (en) * | 2015-12-30 | 2016-06-08 | 北京时代民芯科技有限公司 | Column planting device and column planting method of CCGA (Ceramic Column Gate Array) device |
| CN106564002A (en) * | 2016-11-09 | 2017-04-19 | 北京时代民芯科技有限公司 | Tool and method for controlling coplanarity, position tolerance and perpendicularity of CCGA device welding columns |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421830A (en) * | 2021-06-15 | 2021-09-21 | 西安微电子技术研究所 | Nondestructive grinding method and device for welding column of CCGA (ceramic column grid array) device |
| CN113421830B (en) * | 2021-06-15 | 2023-06-23 | 珠海天成先进半导体科技有限公司 | CCGA device welding column nondestructive grinding method and device |
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Application publication date: 20171124 |