CN201320617Y - Special-purpose melamine shim plate for PCB drilling - Google Patents
Special-purpose melamine shim plate for PCB drilling Download PDFInfo
- Publication number
- CN201320617Y CN201320617Y CNU2008200935019U CN200820093501U CN201320617Y CN 201320617 Y CN201320617 Y CN 201320617Y CN U2008200935019 U CNU2008200935019 U CN U2008200935019U CN 200820093501 U CN200820093501 U CN 200820093501U CN 201320617 Y CN201320617 Y CN 201320617Y
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- CN
- China
- Prior art keywords
- melamine
- paper
- shim plate
- special
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229920000877 Melamine resin Polymers 0.000 title claims abstract 10
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract 9
- 238000005553 drilling Methods 0.000 title abstract 5
- 229920002522 Wood fibre Polymers 0.000 claims abstract 3
- 238000007598 dipping method Methods 0.000 claims abstract 2
- 239000004640 Melamine resin Substances 0.000 claims 1
- 238000007731 hot pressing Methods 0.000 claims 1
- 239000000123 paper Substances 0.000 abstract 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 239000011889 copper foil Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 239000002025 wood fiber Substances 0.000 abstract 1
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- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The utility model relates to a special-purpose melamine shim plate for PCB drilling, which is suitable for high-grade precision circuit boards. The shim plate can be used for the drilling of various composite copper foil plates, and is formed by dipping melamine paper in gum and compounding high density wood fiber boards at high temperature and under high pressure. The shim plate, which is a regeneration product designed specially for replacing black phenolic paper shim plates, has good punching and shearing performance, planeness and hardness, and is suitable for the drilling of various circuit boards. The thickness of the shim plate ranges from 3.0 mm to 1.0 mm; the common difference of the thickness of the shim plate ranges from minus 0.15 mm to 0.15 mm; the density is more than or equal to 900 kg/ m3; the surface hardness is larger than 75 on the Shore' scale of the D level; and the angularity is smaller than 0.5%. Compared with the phenolic paper shim plates, the serial products of the special-purpose melamine shim plate for PCB drilling have small angularity, little possibility of deformation, weak abrasion for drill bits, improvement on drill use rates, cost saving, environmental protection and more thickness specifications for choice making and matching.
Description
[technical field]
The utility model is applicable to top grade, the accurate wiring board special-purpose melamine backing plate of holing.
[background technology]
Printed circuit board (PCB) (Printed circuit board is called for short PCB) is the substrate that the assembling electronic component is used, and the global output value reaches 45,000,000,000 dollars every year, is only second to semicon industry in electron trade, and the growth rate of China is far above industry average speed.Follow modern electronic product to develop to " light, thin, little, multifunction ", highly integrated and the interconnection technique of electronic device is installed (SMT) and chip installation (CMT) technical development from through hole plug-in unit (THT) to the surface, has quickened the exploitation of high density (HDI) printed circuit technique.And print the boring material of high density circuit board, require to have certain surface hardness preventing to hole the upper surface burr, but too drill bit is decreased in hard grind; Require the resinous principle of backing plate own can not be too high, otherwise the resin balls that will form fusion during boring be attached on hole wall; Thermal conductivity factor is the bigger the better, so that the heat that can be rapidly produces during with boring is taken away, the temperature of drill bit when reducing the boring hole prevents drill bit annealing; Requirement has certain rigid to prevent to propose sheet material vibration when boring, and has certain elasticity that the moment of boring contact under the drill bit is out of shape immediately again, and drill bit is accurately aimed at the position of being holed, and guarantees the bore position precision.This with regard to need some materials evenly, smooth, hard, good heat conductivity, the bright and clean PCB special-purpose backing plate of holing.And China to use the PCB backing plate at present be the paper phenol backing plate mostly, be easy to generate burr, and the inhomogeneous easily broken drill bit of quality and sting drill bit, the phenolic resins contaminative is also bigger.
In view of above shortcoming, a kind of top grade, accurate PCB special-purpose backing plate of holing that is applicable to is provided, very necessary.
[utility model content]
The utility model provides a kind of top grade, accurate wiring board special-purpose melamine backing plate of holing that is applicable to.
The utility model PCB special-purpose melamine backing plate of holing is the product of Hunan Zhuoyang Circuit Board Materials Co., Ltd. through the autonomous research and development more than 3 years, has broken the situation of the external monopolization of the boring auxiliary material of domestic printed circuit board.It is to be composited by melamine paper impregnation and wood fibre density board HTHP, and it has good punching, flatness and hardness.Its thickness series has 3.0mm～1.0mm; Thickness deviation is ± 0.15mm; Density 〉=850kg/m3; Case hardness is greater than Shao Shi D level hardness 75; Angularity is below 0.5%.
Than the paper phenol backing plate, the PCB special-purpose melamine backing plate series of products angularity of holing is little, not yielding; Little to bit wear, improve the drill bit utilization rate; Save cost, environmental protection, and have more thickness specifications selective supporting, be applicable to that all kinds of wiring boards boring processing make backing plate and use.
The utility model is used for the special-purpose backing plate of accurate printed wiring board boring, it is to be composited by melamine paper impregnation and wood fibre density board HTHP, this backing plate is by the melamine ply of paper (6) of one deck dipping melamine resin, coat even glue-line (5), the highly dense wood fibre central layer of layer overlay (4) again, yet coat even glue-line (3) again and neatly complete melamine ply of paper (2), last hot pressing is compounded to form the utility model.
[description of drawings]
Further specify the utility model below in conjunction with accompanying drawing.
Fig. 1 is a floor map of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Wherein (1) is the utility model product top plan view among Fig. 1; (2) and (6) are the melamine ply of paper among Fig. 2; (3) and (5) be even glue-line; (4) be highly dense wood fibre central layer.
[specific embodiment]
The utility model relates to a kind of special-purpose backing plate that is used for accurate printed wiring board boring, and it is to be composited by melamine paper impregnation and the hot pressing of wood fibre density board.At first backing board is placed on to transmit and is with, put the packing paper about 15 in the above, on packing paper, spread a block plate, be that single sided board is placed on the backing board central authorities fixed position, spread melamine paper (6) then successively, this melamine paper is a kind of melamine ply of paper that floods melamine resin, coat even glue-line (5) then, repave wood fibre board (4) and with the melamine paper registration, and coat even glue-line (3), repave a last melamine paper (2) according to top requirement then, and require and must align, after the no problem, spread a steel plate at last on inspection.Repave melamine paper, fiberboard, melamine paper, steel plate according to top requirement and order, and the levels steel plate is alignd.Until having spread the packing paper of putting in the above after this organizes last single face steel plate about 10, cover cover plate then, alignment is all around sent in the cage of hydraulic press random, from cage, the plate of completing slowly pushed press to hot box board hot pressing and is compounded to form the utility model.
(1) bed board
1. steel plate car, fiberboard truck that backing board, steel plate, cover plate will be housed are placed on place easy to use.
2. backing board, steel plate, cover plate, must clean clean, paper scrap, paper foam, dust, water mark etc. can not be arranged, and other influence the foreign material of product quality, cherish steel plate, handling with care prevents to collide with, scuffing.
Melamine sized paper (melamine paper), fiberboard, when near the use, could take out air conditioning room and open diaphragm.
4. being one group with one deck during bed board operates.
1. earlier backing board is placed on transmit and is with, put in the above packing paper about 15 (and note checking packing paper have or not folding, have or not shredded paper or other foreign material to sneak into).
2. on packing paper, spread a block plate (being single sided board), be placed on the backing board central authorities fixed position, spreading melamine paper then successively (notes carefully handling with care, it must not being torn, one side of face is by steel plate, check simultaneously that its surface has or not paper scrap, impurity, dust etc., whether meet the requirements otherwise renew).Whether whether the two sides of checking fiberboard is clean, meet the requirements, and determines to repave fiberboard and melamine paper registration after errorless.Repave a last melamine paper (one side of face is by steel plate) according to top requirement then, and require and to align.After the no problem, spread a steel plate (being dual platen) at last on inspection.Repave melamine paper, fiberboard, melamine paper, steel plate according to top requirement and order, and the levels steel plate is alignd.Organize last single face steel plate until having spread this.
3. the packing paper (checking by requirement 1.) of spread single sided board, putting about 10 in the above covers cover plate, alignment all around then.
5. send into after this layer spread in the cage of hydraulic press random, by one deck under 4 above-mentioned order and the requirement shop, intact again until whole shops.
(2) dress plate
1. the hot box upper and lower faces of hydraulic press is cleaned out.
2. the plate of completing is slowly pushed press from cage all around to hot box board position placed in the middle.
3. check whether steel plate, cover plate misplace, should adjust if take place to slide.Make every effort to alignment, it is folding to check that packing paper has or not, and has or not foreign matter above the cover plate, can suppress after all are normal.
(3) compacting
Pressing operation process according to the form below regulation is carried out.
| Temperature ℃ | Pressure (gauge pressure) | Time (minute) | Cooling |
| 125-135 | 118-128 | 60 | Be incubated and close vapour after 40 minutes, 50 timesharing steam bleedings |
| Water flowing in 60 fens |
1. open admission and steam bleeding valve, the water in the box board is ejected, shut the steam bleeding valve then, heat up.When temperature reaches 80-90 ℃, turn off admission valve, during near holding temperature, open the steam bleeding valve.The apparent temperature situation suitably regulates, the steam bleeding valve, reaches the insulation requirement.
2. the hot pressing stage vapour that often discharges water shuts valve after having put, and avoids hot plate temperature inhomogeneous.Meet special circumstances,, be lower than 80 ℃ and then stop pressing plate when temperature is lower than 100 ℃, when being higher than 80 ℃, can suitably increases hot pressing time.Pressure must not reduce during the plate of being pressed, and the water flowing cooling is treated to suppress again after air pressure normally.When temperature is higher than regulation, should in time close admission valve,, make it up to specification with the control temperature.
3. temperature retention time when temperature is reduced to below 50 ℃, can be unloaded plate to back water flowing cooling.
(4) lower plate (unloading plate)
1. the plate that presses is moved to from press on the random cage, in layer be placed on then to transmit and be with, be transported to the lower plate place.
2. the reverse order by bed board unloads lower cover, packing paper, single face steel plate, melamine backing plate, two-sided steel plate successively
3. the cover plate that unloads, steel plate, end planker, be placed on the steel plate car, note to fill up a fiberboard between every block plate, handle with care, prevent to collide with, scratch.
4. on the neat car that is placed on appointment of the melamine backing plate that unloads, prevent to scratch.
(5) side cut (saw limit)
1. the melamine backing plate cuts away burr with plate shearing machine.
2. the melamine backing plate edge after cutting edge should be neat, the plate face is rectangular, the diagonal permissible variation is ± 5mm, and plate face size should be not less than 1092 * 1245mm
(6) quality standard
The melamine backing plate should meet the quality standard of company.
(7) safety operation points for attention
1. strictly observe our factory's safety in production system and this workshop appliance operational procedure.
2. absolutely no smoking in the workshop, worn protective articles.
3. run into power failure, stop vapour, special circumstances such as cut off the water should get in touch with relevant department immediately, and take corresponding measure.
4. conscientiously fill in various records, carry out transition.
5. concentrate when operating, the facilities for observation working order, whether the equipment sound of listening attentively to is normal, and whether diligent observation temperature, pressure meet the process stipulation scope.
6. when the operator leaves work position, must entrust reliable personnel to function in an acting capacity of responsibility.
7. open steam valve in front of the door, must close the water supply valve door earlier tight; Heat water valve must be closed steam valve earlier tight in front of the door.
Claims (2)
1, a kind of top grade, accurate PCB special-purpose melamine backing plate of holing that is used for, it is characterized in that the utility model is composited by highly dense wood fibre central layer and the melamine ply of paper hot pressing that scribbles even glue-line, comprise two-layer melamine ply of paper (2) (6), the highly dense wood fibre central layer of two-layer even glue-line (3) (5) and one deck (4).
2, the PCB according to claim 1 special-purpose melamine backing plate of holing is characterized in that melamine ply of paper (2) (6) is the even paper of dipping melamine resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200935019U CN201320617Y (en) | 2008-04-18 | 2008-04-18 | Special-purpose melamine shim plate for PCB drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200935019U CN201320617Y (en) | 2008-04-18 | 2008-04-18 | Special-purpose melamine shim plate for PCB drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201320617Y true CN201320617Y (en) | 2009-10-07 |
Family
ID=41158005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200935019U Expired - Fee Related CN201320617Y (en) | 2008-04-18 | 2008-04-18 | Special-purpose melamine shim plate for PCB drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201320617Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795534B (en) * | 2010-01-19 | 2012-04-25 | 苏州思诺林电子有限公司 | Drilling liner plate of circuit board |
| CN103085428A (en) * | 2012-12-12 | 2013-05-08 | 湖南柳鑫电子新材料有限公司 | Melamine board for printed circuit board (PCB) drilling and preparation method thereof |
| CN103935105A (en) * | 2014-04-22 | 2014-07-23 | 深圳市柳鑫实业有限公司 | Composite base plate for drilling PCB (printed circuit board) and preparation method thereof |
| CN106142797A (en) * | 2016-06-29 | 2016-11-23 | 苏州苏林机电产品有限公司 | High-precision protective plate and production technology, circuit board cutting protection technique |
| CN106427138A (en) * | 2016-08-31 | 2017-02-22 | 深圳市宏宇辉科技有限公司 | Water-soluble lubrication plate and processing process of water-soluble lubrication plate |
| CN109016041A (en) * | 2011-08-26 | 2018-12-18 | 塞拉洛克创新股份有限公司 | Plate coating |
| CN111688304A (en) * | 2019-03-12 | 2020-09-22 | 合正科技股份有限公司 | Melamine plate for PCB drilling and manufacturing method thereof |
-
2008
- 2008-04-18 CN CNU2008200935019U patent/CN201320617Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795534B (en) * | 2010-01-19 | 2012-04-25 | 苏州思诺林电子有限公司 | Drilling liner plate of circuit board |
| CN109016041A (en) * | 2011-08-26 | 2018-12-18 | 塞拉洛克创新股份有限公司 | Plate coating |
| CN103085428A (en) * | 2012-12-12 | 2013-05-08 | 湖南柳鑫电子新材料有限公司 | Melamine board for printed circuit board (PCB) drilling and preparation method thereof |
| CN103085428B (en) * | 2012-12-12 | 2015-05-20 | 湖南柳鑫电子新材料有限公司 | Melamine board for printed circuit board (PCB) drilling and preparation method thereof |
| CN103935105A (en) * | 2014-04-22 | 2014-07-23 | 深圳市柳鑫实业有限公司 | Composite base plate for drilling PCB (printed circuit board) and preparation method thereof |
| CN106142797A (en) * | 2016-06-29 | 2016-11-23 | 苏州苏林机电产品有限公司 | High-precision protective plate and production technology, circuit board cutting protection technique |
| CN106427138A (en) * | 2016-08-31 | 2017-02-22 | 深圳市宏宇辉科技有限公司 | Water-soluble lubrication plate and processing process of water-soluble lubrication plate |
| CN106427138B (en) * | 2016-08-31 | 2019-10-25 | 深圳市宏宇辉科技有限公司 | Water-soluble lubricating backing plate and the preparation method for processing the water-soluble lubricating backing plate |
| CN111688304A (en) * | 2019-03-12 | 2020-09-22 | 合正科技股份有限公司 | Melamine plate for PCB drilling and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Newccess Industrial Co., Ltd. Assignor: Hunan Zhuoyang Circuit Board Materials Co., Ltd. Contract record no.: 2010430000089 Denomination of utility model: Special-purpose melamine shim plate for PCB drilling Granted publication date: 20091007 License type: Exclusive License Record date: 20100804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20160418 |