CN1241488A - Manufacture of metal sheet coated with polymer film specially for soft printed circuit - Google Patents
Manufacture of metal sheet coated with polymer film specially for soft printed circuit Download PDFInfo
- Publication number
- CN1241488A CN1241488A CN 99116606 CN99116606A CN1241488A CN 1241488 A CN1241488 A CN 1241488A CN 99116606 CN99116606 CN 99116606 CN 99116606 A CN99116606 A CN 99116606A CN 1241488 A CN1241488 A CN 1241488A
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- CN
- China
- Prior art keywords
- metal
- plate
- plastic film
- clad
- sheet
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 229920006254 polymer film Polymers 0.000 title 1
- 239000002131 composite material Substances 0.000 claims abstract description 40
- 239000002985 plastic film Substances 0.000 claims abstract description 34
- 229920006255 plastic film Polymers 0.000 claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 229920002521 macromolecule Polymers 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000005056 compaction Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000002655 kraft paper Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920000260 silastic Polymers 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical class C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000002650 laminated plastic Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Abstract
One plastic film with single side of coated metal sheet is painted with adhesive on the plastic side, one metal sheet of the same metal is painted with adhesive on one side, and after the adhesive is dried the plastic film and the metal sheet are stacked to constitute un-set composite sheet with the painted sides facing each other. After applying upper and lower metal liners, the un-set composite sheet is placed into press and soft heat resisting silastic sheet or kraft paper as buffering layers are applied into the heating boards of the press and the metal linings. Through one certain period of time at constant temperature and pressure, composite sheet with double metal coatings is produced.
Description
The present invention relates to a kind of preparation of composite of flexible printed wiring board special use, particularly two-sided the and compound manufacture method of metallic plate of macromolecule plastic film.
When making two-sided flexible printed circuit board, macromolecule plastic film double-clad composite metal plate uses as base material.It is to stick with glue agent macromolecule plastic film and metallic plate bonding is formed, and its manufacture method has two kinds of batch process and continuity methods.Described adhesive can be to mention in the Chinese patent application numbers 95109152.2 and 97109279.6, also can be the adhesive of other types.
No matter be the batch (-type) small lot batch manufacture, still produce in enormous quantities continuously, macromolecule plastic film single face clad metal sheet is to produce easily, but the production of macromolecule plastic film double-clad composite metal plate substrate is then relatively more difficult, and compound-producing method needs complicated valuable equipment continuously.Chinese patent CN1038295C discloses a kind of manufacture method of the plastic laminates that has sheet metal of printed circuit board (PCB) special use, it is on the compoboard that the glass fibre support plate that impregnates epoxy resin is formed, by alternately establishing thin sheet of metal band (copper strips) along a direction and rightabout bending thereof, overlay up and down successively on each surface of each compoboard, link to each other with generator at the metal tape two ends, produce the required heat of production process as one group of resistance, when cold press when compoboard pressurizes, just combine closely between each part and constitute plastic laminates.
The objective of the invention is to provide the batch (-type) manufacture method that another is used for the macromolecule plastic film double-clad composite metal plate of flexible printed wiring board special use.This method is different with the method for CN1035295C invention.With macromolecule plastic film such as Kapton or polyester film, polyvinyl chloride film, use the bimaleimide resin modified butadiene acrylonitrile rubber invented in the Chinese patent application numbers 95109152.2 or 97109279.6 high-temperature resistance adhesive, adopt the macromolecule plastic film double-clad composite metal plate of simple and easy, common device fabrication flexible printed wiring board special use as base-material.No bubble exists in this composite plate, and anti-tin-welding is good, the peel strength height, and folding resistance, chemical proofing are good.
The manufacture method of the macromolecule plastic film double-clad composite metal plate of the flexible printed wiring board special use of realization the object of the invention, its practice is:
1, will make good macromolecule plastic film single face clad metal sheet and be cut into the size that to put into the forcing press opening with sheet metal (metal copper foil identical or aluminium foil, nickel foil) with the single face clad metal sheet;
2, at coating adhesive of macromolecule plastic film of macromolecule plastic film single face clad metal sheet, other gets a sheet metal single spreading stick, after the adhesive drying to be coated, with the uncured composite plate of the superimposed relatively composition of above-mentioned two coated faces, make liner plate with mirror face stainless steel plate or other polishing metal plates up and down in this uncured composite plate;
3, uncured composite plate and metal backing replace overlapping composition one folded compoboard and put into and driving retaining mouthful between two heating platens of forcing press, and at the heat-resisting flexible material cushion of laying between the metal backing up and down of last lower hot pressing board and compoboard;
4, forcing press matched moulds heat-insulation pressure keeping makes uncured composite plate add hot compaction curing, and cooling discharging promptly makes macromolecule plastic film double-clad composite metal plate.
Described macromolecule plastic film single face clad metal sheet is the single face composite base material of polyimides, polyester, polyvinyl chloride film and copper, aluminium, nickel foil.
The coating adhesive mode is brushing or roller coat, spraying.The coating adhesive THICKNESS CONTROL is between 5-100 μ m, and optimum thickness is 10-50 μ m.The drying condition that is coated with adhesive layer is 50 ℃-180 ℃, and the best is 80 ℃-150 ℃, and dry 3-60 minute, the best was 5-30 minute.Drying mode can use Steam Heating or electrical heating drying tunnel, perhaps uses baking oven, infrared roasting lamp.
Hot press is general vulcanizing press, flat layer press or vacuum laminator.Can be fit to the forcing press that this class produces has many heating platens, can be by strict and correct order provides heat and pressure simultaneously.Space between per two blocks of hot plates of multi-daylight press is called one and drives retaining, open the cushion of laying heat-resisting softness between the heating plate of retaining and the metal backing in each of forcing press, the effect of cushion is that adhesive can fully be merged when being heated, and the micro-molecular gas that produces when making bubble in the composite intermediate layer and adhesive solidification is all overflowed.
Cushion is thickness 1-10mm, is generally silicone rubber plate or the above commercially available brown paper of multilayer 80 grams of 3-8mm.
Forcing press matched moulds heating pressing technology is: matched moulds boosts to gauge pressure 3-10kg/cm
2, the best is 4-7kg/cm
2Be warmed up to 100 ℃-150 ℃ simultaneously, the best is 110 ℃-130 ℃; Heat-insulation pressure keeping 10-120 minute, the best was 30-60 minute, so that glued membrane fully merges between mutually.Be warmed up to 130 ℃-210 ℃ then, the best is 150 ℃-180 ℃; Boost to gauge pressure 15-50kg/cm
2, the best is 20-30kg/cm
2Heat-insulation pressure keeping 10-240 minute, best 60-180 minute, cooling discharging then.
Advantage of the present invention:
Because adopt the macromolecule plastic film double-clad composite metal plate of ordinary press batch production flexible printed wiring board special use, product size is changeable, production technology is easy, can reduce production costs.
When the working pressure machine is suppressed above-mentioned sheet material, adopted silicone rubber plate or brown paper cushion, made the sheet material pressurized that in forcing press, is heated very even, can make the substrate performance of production stable, consistent more.
Open retaining forcing press simultaneously multicompressed tablet material owing to use more, can produce flexible printed wiring board special plastic film double-clad composite metal plate substrate in enormous quantities, production efficiency is higher.
Because to have adopted the bimaleimide resin modified butadiene acrylonitrile rubber is the high-temperature resistance adhesive of base-material, the anti-tin-welding of composite plate is good, the peel strength height, and folding resistance, chemical proofing are good.
Further specify method of the present invention below by embodiment and accompanying drawing.
Fig. 1 is the configuration diagram of the macromolecule plastic film double-sided metal clad plate of flexible printed wiring board special use.
Fig. 2 is the many plates forcing press diagrammatic sketch that is used for producing when the present invention makes flexible printed wiring board special use macromolecule plastic film double-sided metal clad plate heat and pressure.
Fig. 3 is a folded compoboard schematic diagram of making by method of the present invention.
Fig. 4 is that shown in Figure 3 one folded compoboard is positioned over of forcing press shown in Figure 2 and opens and suppress schematic diagram in the retaining.
Compound the pulling of macromolecule plastic film double-sided metal of the flexible printed wiring board special use among Fig. 1, comprise layer of metal foil (Copper Foil or aluminium foil, nickel foil) 1,5, intermediate layer 3 is polyimides or polyester, polyvinyl chloride film layer, 2,4 is adhesive layer, adhesive is that the described bi-maleimide modified acrylonitrile-butadiene rubber of Chinese patent application numbers 95109152.2 (perhaps 97109279.6) is the high-temperature resistance adhesive of base-material, 1,2,3,4,5 layers according to the order of sequence cementation laminated become whole.
Be provided with heating plate 7 in the multi-layer sheet forcing press 6 shown in Figure 2, the space between per two heating plates 7 is called one and drives retaining 12, and the pressure heating plate 7 of forcing press 6 has the n layer, and the multi-layer sheet forcing press has n-1 to drive retaining among the figure.
The formation of shown in Figure 3 one folded compoboard 8, it is to make coating adhesive of macromolecule plastic film of good macromolecule plastic film single face clad metal sheet, other gets a sheet metal (paillon foil) single spreading stick, after treating the coating adhesive drying, the coating adhesive face is superimposed relatively and form uncured composite plate 9 and be placed on mirror face stainless steel or other polishing metal liner plates 10, metal backing 10 and uncured composite plate 9 replace overlapping placement, metal backing 10 is than uncured composite plate one deck more than 9, when uncured composite plate 9 has m to open, metal backing 10 constitutes a folded compoboard 8 for m+1 opens.
One folded compoboard 8 is positioned over 6 one on forcing press and opens when keeping off in 12, earlier on opening the base plate of retaining 12, this spreads thick heat-resisting silicone rubber plate of 1-10mm or brown paper cushion 11, place a folded compoboard 8 more thereon, then at the described cushion 8 of compoboard 8 upper berth lid layers, after compoboard configures, forcing press gives compoboard 8 heating pressurizations by aforementioned process conditions matched moulds, and cooling can be produced the macromolecule plastic film double-clad composite metal plate of flexible printed wiring board special use then.
Claims (7)
1, a kind of manufacture method of macromolecule plastic film double-clad composite metal plate of flexible printed wiring board special use is characterized in that the practice is:
(1) will make good macromolecule plastic film single face clad metal sheet scale copper identical or aluminium flake with metal on this single face clad metal sheet, the nickel sheet is cut into the size that can put into the forcing press opening;
(2) at coating adhesive of macromolecule plastic film of above-mentioned macromolecule plastic film single face clad metal sheet, other gets a sheet metal single spreading stick, after the adhesive drying to be coated, with above-mentioned two coated faces uncured composite plates of superimposed relatively composition (9), make liner plate (10) with mirror face stainless steel plate or other polishing metal plates up and down in this uncured composite plate (9);
(3) uncured composite plate (9) and metal backing (10) replace overlapping composition one folded compoboard (8) and put into and driving retaining mouthful (12) between two heating platens of forcing press (7), and between the metal backing up and down (10) of last lower hot pressing board (7) and compoboard (8) laying heat-resisting flexible material cushion (11);
(4) forcing press matched moulds heat-insulation pressure keeping makes uncured composite plate (9) add hot compaction curing, and cooling discharging promptly makes macromolecule plastic film double-clad composite metal plate.
2, the manufacture method of double-clad composite metal plate as claimed in claim 1, it is characterized in that the macromolecule plastic film one side of macromolecule plastic film single face clad metal sheet and the one side of the sheet metal that other gets, being coated with the thick bi-maleimide modified acrylonitrile-butadiene rubber of 5-100 μ m is the high-temperature resistance adhesive of base-material, 50 ℃-180 ℃ dry 3-60 minute.
3, the manufacture method of double-clad composite metal plate as claimed in claim 1, it is characterized in that the macromolecule plastic film one side of macromolecule plastic film single face clad metal sheet and the sheet metal that other gets one side, to be coated with the thick bi-maleimide modified acrylonitrile-butadiene rubber of 10-50 μ m be the high-temperature resistance adhesive of base-material, 80 ℃-150 ℃ dry 5-30 minute down.
4, the manufacture method of double-clad composite metal plate as claimed in claim 1 is characterized in that between the metal backing up and down (10) of last lower hot pressing board (7) and compoboard (8) heat-resisting soft silicone rubber plate that lay 1-10mm is thick or brown paper cushion (11).
5, the manufacture method of double-clad composite metal plate as claimed in claim 1 is characterized in that between the metal backing up and down (10) of last lower hot pressing board (7) and compoboard (8) heat-resisting soft silicone rubber plate that lay 3-8mm is thick or brown paper cushion (11).
6, the manufacture method of double-clad composite metal plate as claimed in claim 1 is characterized in that the condition that forcing press matched moulds heat-insulation pressure keeping solidifies uncured composite plate is that the forcing press matched moulds boosts to gauge pressure 3-10kg/cm
2, be warmed up to 100 ℃-150 ℃ simultaneously, heat-insulation pressure keeping 10-120 minute, be warmed up to 130 ℃-210 ℃ then, boost to gauge pressure 15-50kg/cm
2, heat-insulation pressure keeping 10-240 minute, cooling discharging then.
7, the manufacture method of double-clad composite metal plate as claimed in claim 1 is characterized in that the condition that forcing press matched moulds heat-insulation pressure keeping solidifies uncured composite plate is that the forcing press matched moulds boosts to gauge pressure 4-7kg/cm
2, be warmed up to 110 ℃-130 ℃ simultaneously, heat-insulation pressure keeping 30-60 minute, be warmed up to 150 ℃-180 ℃ then, boost to gauge pressure 20-30kg/cm
2, heat-insulation pressure keeping 60-180 minute, cooling discharging then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116606A CN1081128C (en) | 1999-08-18 | 1999-08-18 | Manufacture of metal sheet coated with polymer film specially for soft printed circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116606A CN1081128C (en) | 1999-08-18 | 1999-08-18 | Manufacture of metal sheet coated with polymer film specially for soft printed circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1241488A true CN1241488A (en) | 2000-01-19 |
| CN1081128C CN1081128C (en) | 2002-03-20 |
Family
ID=5279401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99116606A Expired - Lifetime CN1081128C (en) | 1999-08-18 | 1999-08-18 | Manufacture of metal sheet coated with polymer film specially for soft printed circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1081128C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091822C (en) * | 1999-09-09 | 2002-10-02 | 沈阳防锈包装材料公司 | Thermal resistance gasket paper for stainless steel sheet and its prodn. method |
| CN101374383B (en) * | 2007-08-24 | 2010-06-09 | 富葵精密组件(深圳)有限公司 | Insulated basilar membrane, circuit board substrate and circuit board |
| CN103722793A (en) * | 2012-10-12 | 2014-04-16 | 昆山雅森电子材料科技有限公司 | Silicon steel foil used for printed circuit board stitching, and stitching method using silicon steel foil |
| CN104202927A (en) * | 2014-09-12 | 2014-12-10 | 高德（无锡）电子有限公司 | Production process of semi-finished rigid-flexible printed circuit boards |
| CN109322888A (en) * | 2018-11-02 | 2019-02-12 | 广州凯立达电子有限公司 | The bottom cover of watch of deep water overpressure resistant and the stickup curing method of piezoelectric ceramic piece |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY105514A (en) * | 1989-05-05 | 1994-10-31 | Gould Electronic Inc | Protected conductive foil and procedure for protecting an electrodeposited metallic foil during further processing. |
| IT1271941B (en) * | 1993-02-10 | 1997-06-10 | Cedal Srl | PROCEDURE FOR THE PRODUCTION OF PLASTIC LAMINATES WITH METALLIC LAMINS IN SPECIES FOR PRINTER CIRCUITS, WITH ENDOTHERMAL HEATING. |
| RU2118322C1 (en) * | 1993-07-05 | 1998-08-27 | Дюфар Интернэшнл Рисерч Б.В. | 2,3-dihydro-1,4-benzodioxine-5-yl-pyrerazine derivatives and salts thereof |
| US5362534A (en) * | 1993-08-23 | 1994-11-08 | Parlex Corporation | Multiple layer printed circuit boards and method of manufacture |
| TW324737B (en) * | 1994-03-30 | 1998-01-11 | Gould Wlectronics Inc | Epoxy adhesive composition and copper foil and laminate using the same |
| JP3319650B2 (en) * | 1994-03-30 | 2002-09-03 | 三井金属鉱業株式会社 | Copper foil for copper clad laminates |
| JP2649899B2 (en) * | 1994-09-21 | 1997-09-03 | ヤマウチ株式会社 | Cushion material for forming press |
| JP3400186B2 (en) * | 1995-05-01 | 2003-04-28 | 三井金属鉱業株式会社 | Multilayer printed wiring board and method of manufacturing the same |
-
1999
- 1999-08-18 CN CN99116606A patent/CN1081128C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091822C (en) * | 1999-09-09 | 2002-10-02 | 沈阳防锈包装材料公司 | Thermal resistance gasket paper for stainless steel sheet and its prodn. method |
| CN101374383B (en) * | 2007-08-24 | 2010-06-09 | 富葵精密组件(深圳)有限公司 | Insulated basilar membrane, circuit board substrate and circuit board |
| CN103722793A (en) * | 2012-10-12 | 2014-04-16 | 昆山雅森电子材料科技有限公司 | Silicon steel foil used for printed circuit board stitching, and stitching method using silicon steel foil |
| CN103722793B (en) * | 2012-10-12 | 2016-07-06 | 昆山雅森电子材料科技有限公司 | For the silicon steel paper tinsel of printed circuit board (PCB) pressing and use the compression method of this silicon steel paper tinsel |
| CN104202927A (en) * | 2014-09-12 | 2014-12-10 | 高德（无锡）电子有限公司 | Production process of semi-finished rigid-flexible printed circuit boards |
| CN109322888A (en) * | 2018-11-02 | 2019-02-12 | 广州凯立达电子有限公司 | The bottom cover of watch of deep water overpressure resistant and the stickup curing method of piezoelectric ceramic piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1081128C (en) | 2002-03-20 |
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Denomination of invention: Manufacture of metal sheet coated with polymer film specially for soft printed circuit Effective date of registration: 20100907 Granted publication date: 20020320 Pledgee: Bank of Hankou, Limited by Share Ltd, Optics Valley branch Pledgor: Huashuo Technology Co., Ltd. Registration number: 2010990000869 |
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