CN207099441U - A kind of printed circuit board laser drill special backing plate - Google Patents
A kind of printed circuit board laser drill special backing plate Download PDFInfo
- Publication number
- CN207099441U CN207099441U CN201721074336.8U CN201721074336U CN207099441U CN 207099441 U CN207099441 U CN 207099441U CN 201721074336 U CN201721074336 U CN 201721074336U CN 207099441 U CN207099441 U CN 207099441U
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- China
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- backing plate
- laser drill
- printed circuit
- circuit board
- table top
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Abstract
A kind of printed circuit board laser drill special backing plate, the suction hole that laser drill table top is corresponded on the backing plate correspond and open up some passages, meanwhile, passage can not be opened up near the drilling on printed circuit board by correspond on backing plate；The ventilation bore dia is more than the air-breathing bore dia；The pipe position pin that laser drill table top is corresponded on the adjacent both sides of the backing plate edge sets positioning hole, arranges positioning hole l-shaped.The utility model laser drill special backing plate, ensure that the air-breathing hole site on hole and laser drill on plate to be processed is avoided, while also ensure that processed product is entirely adsorbed onto on backing plate very much, moreover, changing easily, the injury to board table top is reduced with this.
Description
Technical field
It the utility model is related to apparatus of producing PCB, more particularly to a kind of printed circuit board laser drill special-purpose cushion
Plate.
Background technology
Recently as the rapid development of microelectric technique, extensive and super large-scale integration extensive use is micro-
The progress of package technique, the manufacture of printed circuit board is developed towards lamination, multifunction direction, lead printed circuit figure
Line is thin, microporous thin space, and the mechanical system bore process technology employed in processing can not meet requirement and send out rapidly
A kind of new capillary processing mode i.e. laser drilling processes that exhibition is got up.
In laser drilling process, it is necessary to using laser drill, there is suction hole on the table top of laser drill, these suction holes
Effect be to vacuumize, printed circuit board is firmly adsorbed on the table top of laser drill.
But in practical operation, it has been found that：Because the design on printed circuit board is varied, sometimes printed circuit board
On drilling it is just consistent with the position of the suction hole on laser drill table top, so cause to vacuumize failure, printed circuit board
It can warp and deform, if carrying out laser drill in this case, it will cause the off normal that drills, yield declines.To be processed
When laser drill overlaps with suction hole, it is also possible to bring and radiate bad, laser refraction exception and cause aperture apparent quality defect.
In addition, occur in actual production another problem is that：
In laser drill at work, if having there is through hole on backing plate, or during the air exercise laser of progress two sides, laser has can
Can directly beat on the table top of board, prolonged laser ablation may result in table top it is coarse, deformation, cause boring positioning
Precise decreasing.And the cost for changing a new board table top is very high, cause increasing considerably for cost.
China Patent Publication No. CN105505135A discloses a kind of backing plate, has smaller buckling deformation, higher is smooth
Property, but this backing plate is only suitable for using when machine drilling, is not suitable for using in laser drill.
China Patent Publication No. CN205057127U discloses a kind of backing plate, for PCB technical fields, for lowering bit
Loss, the hole wall quality of drilling is improved, but this backing plate is equally also only used for machine dimensions drill, it is impossible to be used in laser drill.
China Patent Publication No. CN105667020A, CN204104219U, CN205660197U and CN205764005U etc.
The backing plate used in PCB fields is also disclosed that, but these prior arts are only applicable to machine drilling field, for drilling essence
Research and product of the Du Genggao laser drill field without correlation.
Utility model content
The purpose of this utility model is to provide a kind of printed circuit board laser drill special backing plate, ensured on plate to be processed
Hole and laser drill on air-breathing hole site avoid, while also ensure that processed product is entirely adsorbed onto backing plate very much
On, moreover, changing easily, the injury to board table top is reduced with this.
To reach above-mentioned purpose, the technical solution of the utility model is：
A kind of printed circuit board laser drill special backing plate, it is characterised in that laser drill table top is corresponded on the backing plate
Suction hole corresponds and opens up some passages, meanwhile, correspond on backing plate can not open up near the drilling on printed circuit board it is logical
Stomata；The ventilation bore dia is more than the air-breathing bore dia；The backing plate edge corresponds to laser drill table top on adjacent both sides
Pipe position pin sets positioning hole, arranges positioning hole l-shaped.
Preferably, the backing plate edge is arranged at intervals three per one side positioning hole.
Preferably, the positioning hole is oval.
The utility model has the advantage of：
1. in laser drilling process, there is suction hole on the table top of laser drill, use the utility model backing plate, Ke Yicheng
Work(avoids the suction hole on laser drill table top, reduces and is taken out caused by being overlapped due to the laser drill and suction hole of processed product
Vacuum is inadequate, improves the warpage of pcb board, improves borehole accuracy.Meanwhile because the utility model backing plate avoid it is to be processed
Laser drill overlaps with suction hole, and therefore, radiating is bad, laser refraction is abnormal and causes aperture apparent quality defect will be significantly
Degree reduces.
2. for through hole on pcb board be present, or the situation of pcb board two sides air exercise laser hole is carried out, using this practicality
Novel backing plate can reduce the injury to board table top, and because the cost of the utility model backing plate is low, it is easy to change, can be very big
Protection laser drill table top, avoid laser straight from taking on the table top of board, prolonged laser ablation causes table top thick
Rough, deformation, causes boring positioning precise decreasing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Referring to Fig. 1, a kind of printed circuit board laser drill special backing plate 1 of the present utility model, laser is corresponded on the backing plate 1
The suction hole of rig table top corresponds and opens up some passages 101, meanwhile, the drilling on printed circuit board is corresponded on backing plate 1
Neighbouring position A can not open up passage；
The diameter of passage 101 is more than the air-breathing bore dia；The edge of backing plate 1 corresponds to laser drill on adjacent both sides
The pipe position pin of table top sets positioning hole 102,103, makes positioning hole 102,103 l-shaped arrangement.
Preferably, the edge of backing plate 1 is arranged at intervals three per one side positioning hole.
Preferably, the positioning hole 102,103 is oval.
In the present embodiment, the material selection copper-clad base plate of backing plate 1, in the same of isolation processed product and equipment table top
When, it also can guarantee that preferable radiating effect.
Claims (3)
1. a kind of printed circuit board laser drill special backing plate, it is characterised in that the suction of laser drill table top is corresponded on the backing plate
Stomata corresponds and opens up some passages, meanwhile, the drilling on printed circuit board is corresponded on backing plate nearby can not open up ventilation
Hole；The ventilation bore dia is more than the air-breathing bore dia；The pipe of laser drill table top is corresponded on the adjacent both sides of the backing plate edge
Position pin sets positioning hole, arranges positioning hole l-shaped.
2. printed circuit board laser drill special backing plate as claimed in claim 1, it is characterised in that the backing plate edge is each
Side positioning hole is arranged at intervals three.
3. printed circuit board laser drill special backing plate as claimed in claim 1 or 2, it is characterised in that the positioning hole is in
Ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074336.8U CN207099441U (en) | 2017-08-25 | 2017-08-25 | A kind of printed circuit board laser drill special backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074336.8U CN207099441U (en) | 2017-08-25 | 2017-08-25 | A kind of printed circuit board laser drill special backing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207099441U true CN207099441U (en) | 2018-03-13 |
Family
ID=61539572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721074336.8U Active CN207099441U (en) | 2017-08-25 | 2017-08-25 | A kind of printed circuit board laser drill special backing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207099441U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108430162A (en) * | 2018-05-21 | 2018-08-21 | 雪龙数控设备(深圳)有限公司 | The apparatus for automatic change and method of the backing plate of drilling holes on circuit board |
| CN110868804A (en) * | 2019-10-11 | 2020-03-06 | 衢州顺络电路板有限公司 | Method for manufacturing printed circuit board for portable card type equipment |
| WO2020186645A1 (en) * | 2019-03-20 | 2020-09-24 | 南京大量数控科技有限公司 | Processing platform for drilling machine |
| CN112969287A (en) * | 2021-01-14 | 2021-06-15 | 大连崇达电子有限公司 | Method for improving roughness of pore wall of PTFE (polytetrafluoroethylene) material |
| CN113523587A (en) * | 2020-04-20 | 2021-10-22 | 无锡深南电路有限公司 | Plate placing machine, plate collecting machine and laser drilling system |
| CN114071889A (en) * | 2021-11-18 | 2022-02-18 | 江苏博敏电子有限公司 | Manufacturing method of LDI vacuum absorption base plate |
-
2017
- 2017-08-25 CN CN201721074336.8U patent/CN207099441U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108430162A (en) * | 2018-05-21 | 2018-08-21 | 雪龙数控设备(深圳)有限公司 | The apparatus for automatic change and method of the backing plate of drilling holes on circuit board |
| CN108430162B (en) * | 2018-05-21 | 2023-09-29 | 雪龙数控设备(深圳)有限公司 | Automatic replacement device and method for backing plate for circuit board drilling |
| WO2020186645A1 (en) * | 2019-03-20 | 2020-09-24 | 南京大量数控科技有限公司 | Processing platform for drilling machine |
| CN110868804A (en) * | 2019-10-11 | 2020-03-06 | 衢州顺络电路板有限公司 | Method for manufacturing printed circuit board for portable card type equipment |
| CN113523587A (en) * | 2020-04-20 | 2021-10-22 | 无锡深南电路有限公司 | Plate placing machine, plate collecting machine and laser drilling system |
| CN112969287A (en) * | 2021-01-14 | 2021-06-15 | 大连崇达电子有限公司 | Method for improving roughness of pore wall of PTFE (polytetrafluoroethylene) material |
| CN114071889A (en) * | 2021-11-18 | 2022-02-18 | 江苏博敏电子有限公司 | Manufacturing method of LDI vacuum absorption base plate |
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