CN209897333U - Double-sided flexible high-density circuit board - Google Patents
Double-sided flexible high-density circuit board Download PDFInfo
- Publication number
- CN209897333U CN209897333U CN201920061266.5U CN201920061266U CN209897333U CN 209897333 U CN209897333 U CN 209897333U CN 201920061266 U CN201920061266 U CN 201920061266U CN 209897333 U CN209897333 U CN 209897333U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- sided flexible
- plate
- film
- flexible high
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 8
- 229920001721 polyimide Polymers 0.000 claims abstract description 6
- 239000011889 copper foil Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 241001233242 Lontra Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Landscapes
- Structure Of Printed Boards (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a two-sided flexible high density circuit board, including the circuit board body, its characterized in that: the circuit board comprises a circuit board body, and is characterized in that a circuit board base layer is arranged in the circuit board body, a first adhesion layer, a first reinforcing plate, a second adhesion layer, a copper foil layer, a heat-fixing glue layer, a second reinforcing plate and a protective film layer are sequentially arranged on the inner side and the outer side of the circuit board base layer, the structure is simple, the structure is clear and understandable, the ground wire joint and the circuit board body are connected through a connecting screen plate, the toughness is improved, the bending times are multiple, the service life is long, the material cost is saved, and an EMI shielding film has a connecting shielding effect and; polyimide film board makes the circuit board anti-breaking, improves life, and reinforcing aluminum plate further strengthens circuit board stable structure, fixes circuit board body and aluminum plate through solid heat glue film pressfitting mode, and the temperature toleration is good, and the cohesion is good, and peel strength is high, can not take place to arch up and the phenomenon of delaminating.
Description
Technical Field
The utility model relates to a flexible line way board field specifically is a two-sided flexible high density circuit board.
Background
Flexible circuit boards, also known as "flexible boards," are printed circuits made from flexible, insulating substrates. Flexible circuits provide excellent electrical performance, meet design requirements for smaller and higher density packaging, and also help reduce assembly processes and enhance reliability. The flexible circuit board is the only solution to meet the miniaturization and movement requirements of electronic products. The flexible printed circuit board can be freely bent, wound and folded, can bear millions of dynamic bending without damaging the lead, can be randomly arranged according to the space layout requirement, and can be freely moved and stretched in a three-dimensional space, so that the integration of component assembly and lead connection is realized; the flexible circuit board can greatly reduce the volume and the weight of the electronic product, and is suitable for the development of the electronic product towards high density, miniaturization and high reliability. The existing flexible circuit board has the advantages of small density, single structure, poor protection, easy breaking, low connection strength and high material cost, and therefore, a double-sided flexible high-density circuit board is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-sided flexible high density circuit board to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a two-sided flexible high density circuit board, includes the circuit board body, its characterized in that: this internal line board basic unit that is provided with of circuit board, line board basic unit inside and outside has set gradually first adhesive linkage, first stiffening plate, second adhesive linkage, copper foil layer, heat-curing glue film, second stiffening plate and protection film, the circuit board body left and right sides is connected respectively and is provided with ground wire connector and golden finger connector.
Preferably, the ground wire connector comprises a connection screen plate, and a ground wire connector is connected outside the connection screen plate.
Preferably, the golden finger connector comprises a connecting steel sheet, and a golden finger is connected outside the connecting steel sheet.
Preferably, the connecting steel sheet is provided with a conductive adhesive, the conductive adhesive is coated with a release film, and the edge of the golden finger is provided with an EMI shielding film.
Preferably, the first reinforcing plate is a polyimide film plate.
Preferably, the second reinforcing plate is a reinforcing aluminum plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, the structure is clear and understandable, is connected through connecting the otter board between ground wire joint and the circuit board body, improves toughness, and the number of times of can buckling is many, and long service life saves material cost simultaneously, and EMI shielding film has the connection shielding effect, improves the connection effect; polyimide film board makes the circuit board anti-breaking, improves life, and reinforcing aluminum plate further strengthens circuit board stable structure, fixes circuit board body and aluminum plate through solid heat glue film pressfitting mode, and the temperature toleration is good, and the cohesion is good, and peel strength is high, can not take place to arch up and the phenomenon of delaminating.
Drawings
FIG. 1 is a schematic cross-sectional structure diagram of a double-sided flexible high-density circuit board;
fig. 2 is a schematic top view of a double-sided flexible high-density circuit board.
In the figure: 1-protective film layer, 2-second reinforcing plate, 3-heat-fixing glue layer, 4-copper foil layer, 5-second adhesive layer, 6-first reinforcing plate, 7-first adhesive layer, 8-wire plate base layer, 9-ground wire connector, 10-circuit board body, 11-golden finger connector, 12-ground wire connector, 13-connecting screen plate, 14-connecting steel sheet and 15-golden finger.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a two-sided flexible high density circuit board, includes circuit board body 10, its characterized in that: be provided with line board basic unit 8 in the circuit board body 10, 8 inside and outside sides in line board basic unit have set gradually first adhesion coating 7, first stiffening plate 6, second adhesion coating 5, copper foil layer 4, heat-curing glue film 3, second stiffening plate 2 and protection film 1, 10 left and right sides of circuit board body are connected respectively and are provided with ground wire connector 9 and golden finger connector 11.
The first reinforcing plate 6 and the second reinforcing plate 2 enable the circuit board body 10 to have the anti-breaking effect, and the protection effect is enhanced.
Preferably, the ground wire connector 9 includes a connection mesh plate 13, the connection mesh plate 13 is externally connected with a ground wire connector 12, the gold finger connector 11 includes a connection steel sheet 14, the connection steel sheet 14 is externally connected with a gold finger 15, the connection steel sheet 14 is provided with a conductive adhesive, the conductive adhesive is coated with a release film, and the edge of the gold finger 15 is provided with an EMI shielding film.
The ground wire connector 12 is connected with the circuit board body 10 through the connecting screen plate 13, so that the toughness is improved, the bending times are more, the service life is long, the material cost is saved, and the EMI shielding film has a connecting and shielding effect and improves the connecting effect.
Preferably, first stiffening plate 6 is the polyimide film board, second stiffening plate 2 is reinforcing aluminum plate, and polyimide film board makes the circuit board fracture-proof, improves life, and reinforcing aluminum plate further strengthens circuit board stable structure, fixes circuit board body 10 and aluminum plate through solid heat glue film pressfitting mode, and the temperature toleration is good, and the cohesion is good, and peel strength is high, can not take place to arch and the phenomenon of delaminating.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a two-sided flexible high density circuit board, includes circuit board body (10), its characterized in that: be provided with line board basic unit (8) in circuit board body (10), line board basic unit (8) inside and outside has set gradually first adhesion coating (7), first stiffening plate (6), second adhesion coating (5), copper foil layer (4), solid heat glue film (3), second stiffening plate (2) and protection film (1), circuit board body (10) left and right sides is connected respectively and is provided with ground wire connector (9) and golden finger connector (11), ground wire connector (9) are including connecting otter board (13), it has ground wire joint (12) to connect otter board (13) external connection.
2. The double-sided flexible high-density circuit board of claim 1, wherein: the golden finger connector (11) comprises a connecting steel sheet (14), and a golden finger (15) is connected outside the connecting steel sheet (14).
3. The double-sided flexible high-density circuit board of claim 2, wherein: the connecting steel sheet (14) is provided with conductive adhesive, a release film is coated on the conductive adhesive, and an EMI shielding film is arranged at the edge of the golden finger (15).
4. The double-sided flexible high-density circuit board of claim 3, wherein: the first reinforcing plate (6) is a polyimide film plate.
5. The double-sided flexible high-density circuit board of claim 4, wherein: the second reinforcing plate (2) is a reinforcing aluminum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061266.5U CN209897333U (en) | 2019-01-14 | 2019-01-14 | Double-sided flexible high-density circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061266.5U CN209897333U (en) | 2019-01-14 | 2019-01-14 | Double-sided flexible high-density circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209897333U true CN209897333U (en) | 2020-01-03 |
Family
ID=68990947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920061266.5U Expired - Fee Related CN209897333U (en) | 2019-01-14 | 2019-01-14 | Double-sided flexible high-density circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209897333U (en) |
-
2019
- 2019-01-14 CN CN201920061266.5U patent/CN209897333U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |