CN205601319U - A complex film that is used for flexible circuit board to press reinforcement and covers membrane technology - Google Patents
A complex film that is used for flexible circuit board to press reinforcement and covers membrane technology Download PDFInfo
- Publication number
- CN205601319U CN205601319U CN201620396331.6U CN201620396331U CN205601319U CN 205601319 U CN205601319 U CN 205601319U CN 201620396331 U CN201620396331 U CN 201620396331U CN 205601319 U CN205601319 U CN 205601319U
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- China
- Prior art keywords
- circuit board
- utility
- composite membrane
- flexible circuit
- model
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- Expired - Fee Related
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- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The utility model provides a complex film that is used for flexible circuit board to press reinforcement and covers membrane technology, the complex film has three layer construction, and the bottom is the substrate, and adhesive layer is glued for ya keli in the substrate top, and yakeli glues the adhesive layer top and is extinction PET membrane. The utility model discloses a PET film combines high temperature resistant inferior gram force to glue the integrated configuration of glue, can reach effect high temperature resistant, no cull simultaneously, and it has the advantage that does not contain quick -witted element silicon, can not pollute the flexible circuit board in press and fit process, the utility model provides a complex film, even coating, high temperature resistant, 180 DEG C of 30min do not have unusually.
Description
Technical field
This utility model belongs to microelectronic element production field, is specifically related to a kind of for flexible electrical
The film of road plate process for pressing.
Background technology
Flexible PCB is called for short soft board (also known as FPC), makes with the insulating substrate of flexibility
Printed circuit board (PCB), has the advantage that many rigid printed circuit boards do not possess, and it can be the most curved
Bent, wind, fold, thus be substantially reduced the volume of electronic product, be suitable for electronic product to height
The needs that density, miniaturization, highly reliable direction are developed.
PET film surface to just one layer of acrylic glue of topcoating cloth, can obtain tool by coating process
Sticking protecting film, PET glue coating is used for packaging industry, can be effectively protected product
Surface, but due to its non-refractory characteristic, have cull, it is rarely used in flexible PCB and produced
Process for pressing in journey.
Utility model content
For solving the deficiency that prior art exists, the purpose of this utility model be propose a kind of for
Flexible circuit board compression moulding reinforcement and the composite membrane of coverlay technique.
For realizing this utility model purpose technical scheme it is:
A kind of for flexible circuit board compression moulding reinforcement and the composite membrane of coverlay technique, described composite membrane
Having three-decker, the bottom is base material, and base material is arranged above acrylic glue bond layer, Ya Ke
Power glue bond layer is arranged above delustring polyethylene terephthalate film.
Further, described base material is the film of transparent polyethylene terephthalate material, base material
Thickness be 50～60 μm.
Wherein, the thickness of described acrylic glue bond layer is 10～15 μm.
Wherein, the thickness of described polyethylene terephthalate film is 30～40 μm.
The preparation process of this composite membrane can be: first by after deployed for acrylic glue glue, will
In PET film, machine makes face tight smooth through tension system, then crosses coating head scraper and is coated with
Cloth, drying, going up machine through tension system again, mould release membrance cooled, compound, rolling are shaped to
Composite membrane.
The beneficial effects of the utility model are:
This utility model uses PET film to combine the combinative structure of high temperature resistant acrylic glue glue,
Can reach high temperature resistant and without cull effect, it has the advantage without organic element silicon simultaneously,
Flexible PCB will not be polluted in bonding processes.
The composite membrane that the utility model proposes, coating uniform, high temperature resistant (180 DEG C of * 30min)
Without exception, elementary analysis does not contains element silicon.
Accompanying drawing explanation
Fig. 1 is the structure chart of this utility model embodiment 1 composite membrane.
Fig. 2 is the process chart of composite membrane.
In figure, 1 is base material, and 2 is acrylic glue bond layer, and 3 is the poly-terephthaldehyde of delustring
Acid glycol ester film.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
In description of the present utility model, it should be noted that term " " center ", " ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ",
Orientation or the position relationship of the instruction such as " end " " interior ", " outward " are based on orientation shown in the drawings
Or position relationship, it is for only for ease of description this utility model and simplifies description rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.
Embodiment 1:
See Fig. 1.It is a kind of for flexible circuit board compression moulding reinforcement and the composite membrane of coverlay technique,
Described composite membrane has three-decker, and the bottom is base material 1, and it is gluing that base material is arranged above acrylic
Connecing oxidant layer 2, acrylic glue bond layer is arranged above delustring polyethylene terephthalate film 3.
Wherein base material 1 is the film of transparent polyethylene terephthalate material, and the thickness of base material is
55μm.The thickness of acrylic glue bond layer is 12 μm.Delustring polyethylene terephthalate
The thickness of ester film 3 (PET film) is 36 μm.During use, flexible PCB is placed on multiple
Close on film, flexible PCB is placed composite membrane again, puts into and high-temperature laminating machine carries out pressing work
Sequence.
Preparation process such as Fig. 2.After acrylic glue glue is deployed, by machine warp in PET film
Overtension system makes face tight smooth, then crosses coating head scraper for coating, drying, tension force system
Unite, cool down, compound PET film, rolling are shaped to PET composite membrane.Acrylic glue glue is adjusted
Timing, the ratio of its glue and organic solvent is 1；0.9, add catalyst cured dose and stir
Mix 30min.Measure acrylic glue glue layer thickness during scraper for coating, control that acrylic is gluing connects
The thickness of oxidant layer is in the range of requiring.
The PET composite membrane obtained, coating uniform, high temperature resistant, at 180 DEG C, keep 30min
(180 DEG C of * 30min) is without exception, and elementary analysis does not contains organic element silicon, two in composite membrane
Silicon oxide exists makes properties of product more stable, but will not shift.
Above embodiment is only to be described preferred implementation of the present utility model, and
Non-scope of the present utility model is defined, before without departing from this utility model design spirit
Put, the various modification that technical scheme is made by this area ordinary skill technical staff
And improvement, all should fall in the protection domain that claims of the present utility model determine.
Claims (4)
1. for flexible circuit board compression moulding reinforcement and a composite membrane for coverlay technique, its feature
Being, described composite membrane has three-decker, and the bottom is base material, and base material is arranged above acrylic
Glue bond layer, acrylic glue bond layer is arranged above delustring polyethylene terephthalate
Film.
Composite membrane the most according to claim 1, it is characterised in that described base material is
The film of bright polyethylene terephthalate material, the thickness of base material is 50～60 μm.
Composite membrane the most according to claim 1, it is characterised in that described acrylic glue
The thickness of bond layer is 10～15 μm.
4. according to the arbitrary described composite membrane of claims 1 to 3, it is characterised in that described poly-
The thickness of ethylene glycol terephthalate film is 30～40 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396331.6U CN205601319U (en) | 2016-05-04 | 2016-05-04 | A complex film that is used for flexible circuit board to press reinforcement and covers membrane technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396331.6U CN205601319U (en) | 2016-05-04 | 2016-05-04 | A complex film that is used for flexible circuit board to press reinforcement and covers membrane technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205601319U true CN205601319U (en) | 2016-09-28 |
Family
ID=56968394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620396331.6U Expired - Fee Related CN205601319U (en) | 2016-05-04 | 2016-05-04 | A complex film that is used for flexible circuit board to press reinforcement and covers membrane technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205601319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415346A (en) * | 2017-04-27 | 2017-12-01 | 张家港康得新光电材料有限公司 | A kind of composite membrane |
| CN109831870A (en) * | 2019-03-11 | 2019-05-31 | 河南博美通电子科技有限公司 | A kind of flexible circuit board PET film structure and preparation process |
-
2016
- 2016-05-04 CN CN201620396331.6U patent/CN205601319U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415346A (en) * | 2017-04-27 | 2017-12-01 | 张家港康得新光电材料有限公司 | A kind of composite membrane |
| CN109831870A (en) * | 2019-03-11 | 2019-05-31 | 河南博美通电子科技有限公司 | A kind of flexible circuit board PET film structure and preparation process |
| CN109831870B (en) * | 2019-03-11 | 2021-04-20 | 河南博美通电子科技有限公司 | PET film structure for flexible circuit board and preparation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160928 Termination date: 20180504 |