CN209767918U - Flexible circuit board with prevent fracture structure - Google Patents
Flexible circuit board with prevent fracture structure Download PDFInfo
- Publication number
- CN209767918U CN209767918U CN201920344750.9U CN201920344750U CN209767918U CN 209767918 U CN209767918 U CN 209767918U CN 201920344750 U CN201920344750 U CN 201920344750U CN 209767918 U CN209767918 U CN 209767918U
- Authority
- CN
- China
- Prior art keywords
- layer
- fixedly connected
- access terminal
- circuit board
- copper foil
- 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
- 210000002489 tectorial membrane Anatomy 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 102
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 35
- 239000011889 copper foil Substances 0.000 claims description 26
- 229920001721 polyimide Polymers 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 11
- 239000004642 Polyimide Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 239000007888 film coating Substances 0.000 claims description 7
- 238000009501 film coating Methods 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 230000002968 anti-fracture Effects 0.000 claims description 6
- 239000009719 polyimide resin Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structure Of Printed Boards (AREA)
Abstract
The utility model relates to a circuit board technical field just discloses a flexible line way board with prevent structure of splitting, including the access terminal, the left side fixed mounting of access terminal has the golden finger, first conducting hole has been seted up at the top of access terminal, the second conducting hole that is located first to the conducting hole right side is seted up at the top of access terminal, the right side fixedly connected with bottom wiring layer of access terminal, the bottom fixedly connected with bottom tectorial membrane layer of bottom wiring layer. This flexible line way board with prevent fracture structure is a font of falling L through the shape that is provided with first tear-proof line, again through being provided with second tear-proof line and third tear-proof line the same and be the L font, simultaneously through being provided with fourth tear-proof line, makes the easy cracked position of the easy rupture of the loss in the flexible line way board strengthen, has prevented the fracture of flexible line way board, and then has improved the life of flexible line way board.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a flexible line way board with prevent fracture structure.
Background
The flexible circuit board is a unique solution to meet the requirements of miniaturization and movement of electronic products, can be freely bent, wound and folded, can bear hundreds of thousands of dynamic bending without damaging a lead, can be randomly arranged according to the space layout requirement, and can be freely moved and stretched in a three-dimensional space, thereby achieving the integration of component assembly and lead connection.
The flexible circuit board is a printed circuit made of a flexible insulating base material, and is widely applied to electronic products which are small and need high-density installation, but the circuit inside the flexible circuit board is easy to break in the manufacturing and using processes of the flexible circuit board, so that the service life is reduced, and therefore the flexible circuit board with the anti-breaking structure is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a flexible line way board with prevent fracture structure possesses prevents cracked advantage, thereby has solved the easy problem that breaks off and lead to life's decline of taking place easily of its inside circuit line in flexible line way board's preparation and the use.
(II) technical scheme
In order to realize the above-mentioned purpose of preventing fracture, the utility model provides a following technical scheme: a flexible circuit board with an anti-fracture structure comprises an access terminal, wherein a golden finger is fixedly installed on the left side of the access terminal, a first via hole is formed in the top of the access terminal, a second via hole is formed in the top of the access terminal and is positioned on the right side of the first via hole to the via hole, a bottom wiring layer is fixedly connected to the right side of the access terminal, a bottom film covering layer is fixedly connected to the bottom of the bottom wiring layer, a bottom copper foil layer is fixedly connected to the top of the bottom wiring layer, a bottom glue layer is fixedly connected to the top of the bottom glue layer, a base material layer is fixedly connected to the top of the base material layer, a top glue layer is fixedly connected to the top of the top glue layer, a top copper foil layer is fixedly connected to the top of the top copper foil layer, a top wiring layer, the utility model discloses a waterproof anti-static terminal, including access terminal, bottom tectorial membrane layer, access terminal, first tear-off line of one side fixedly connected with that the access terminal encloses with bottom tectorial membrane layer, the left bottom of bottom tectorial membrane layer and the left side fixedly connected with third tear-off line of bottom, the right side of antistatic protective layer and the one side fixedly connected with second tear-off line that the top enclosed, the fourth tear-off line that the top fixedly connected with of antistatic protective layer is located second tear-off line right side.
Preferably, the bottom wiring layer is L-shaped, and the first tear-preventing line is inverted L-shaped.
Preferably, the second tear-proof line and the third tear-proof line are the same and are L-shaped, and the first via hole and the second via hole are parallel.
Preferably, the substrate layer is polyimide, and the thickness of the substrate layer is one half or two seven millimeters.
Preferably, the top copper foil layer and the bottom copper foil layer are both rolled copper, and the thickness is one, two and seven millimeters at zero.
Preferably, the top coating layer and the bottom coating layer are both made of polyimide and epoxy resin, and the thickness of the top coating layer and the bottom coating layer is one, two and seven millimeters.
(III) advantageous effects
Compared with the prior art, the utility model provides a flexible line way board with prevent fracture structure possesses following beneficial effect:
1. This flexible line way board with prevent fracture structure is a font of falling L through the shape that is provided with first tear-proof line, again through being provided with second tear-proof line and third tear-proof line the same and be the L font, simultaneously through being provided with fourth tear-proof line, makes the easy cracked position of the easy rupture of the loss in the flexible line way board strengthen, has prevented the fracture of flexible line way board, and then has improved the life of flexible line way board.
2. This flexible line way board with prevent fracture structure, through setting up the substrate layer is polyimide, and thickness is one or two seven millimeters at zero point, polyimide has fine heat resistance, thereby the heat resistance of whole circuit board has been increased, be calendering copper through setting up top copper foil layer and bottom copper foil layer, and thickness is one or two seven millimeters at zero point, for traditional electrolytic copper, service life is longer, thereby the life of circuit board has been increased, be polyimide and epoxy through being provided with top tectorial membrane layer and bottom tectorial membrane layer and constitute, and thickness is one or two seven millimeters at zero point, further improvement the high temperature resistance of whole circuit board, through being provided with antistatic protection film, the phenomenon of electrostatic breakdown has been prevented from appearing in the circuit board.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is an enlarged schematic view of a in the structure diagram 2 of the present invention.
In the figure: the terminal comprises an access terminal 1, a first via hole 2, a second via hole 3, a second anti-tear line 4, a fourth anti-tear line 5, a golden finger 6, a first anti-tear line 7, a bottom wiring layer 8, a third anti-tear line 9, an anti-static protective film 10, a top film coating layer 11, a top wiring layer 12, a top copper foil layer 13, a top adhesive layer 14, a base material layer 15, a bottom film coating layer 16, a bottom copper foil layer 17 and a bottom adhesive layer 18.
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. 1-3, a flexible printed circuit board with a fracture-proof structure includes an access terminal 1, a gold finger 6 is fixedly mounted on the left side of the access terminal 1, a first via hole 2 is formed on the top of the access terminal 1, a second via hole 3 is formed on the top of the access terminal 1 and located on the right side of the first via hole 2, the first via hole 2 and the second via hole 3 are parallel, a bottom wiring layer 8 is fixedly connected to the right side of the access terminal 1, the bottom wiring layer 8 is L-shaped, a bottom film covering layer 16 is fixedly connected to the bottom of the bottom wiring layer 8, a bottom copper foil layer 17 is fixedly connected to the top of the bottom wiring layer 8, a bottom glue layer 18 is fixedly connected to the top of the bottom glue layer 18, a substrate layer 15 is fixedly connected to the top of the bottom glue layer 18, the substrate layer 15 is polyimide, the thickness is one half millimeter, the thickness of the circuit board is one half and seven millimeters, the polyimide has good heat resistance, so that the heat resistance of the whole circuit board is improved, the top of the substrate layer 15 is fixedly connected with the top glue layer 14, the top of the top glue layer 14 is fixedly connected with the top copper foil layer 13, the top copper foil layer 13 and the bottom copper foil layer 17 are both calendered copper, the thickness of the top copper foil layer is one half and seven millimeters, the service life of the circuit board is prolonged compared with that of the traditional electrolytic copper by arranging that the top copper foil layer 13 and the bottom copper foil layer 17 are both calendered copper, the service life of the circuit board is prolonged, the top of the top copper foil layer 13 is fixedly connected with the top wiring layer 12, the top of the top wiring layer 12 is fixedly connected with the top film covering layer 11, the top film covering layer 11 and the bottom film covering layer 16 are both composed of polyimide and epoxy, the high temperature resistant flexible circuit board has the advantages that the high temperature resistance reaches more than 400 ℃, the long-term use temperature range is-200-300 ℃, the part has no obvious melting point and high insulation performance, the epoxy resin is a general name of a polymer containing more than two epoxy groups in the molecule, the epoxy resin has good heat resistance and insulation performance, the top film covering layer 11 and the bottom film covering layer 16 are made of polyimide and epoxy resin, the top film covering layer 11 and the bottom film covering layer 16 have good heat resistance and high temperature resistance, the flexible circuit board is effectively protected, the thickness is one half millimeter and seven millimeters, the top film covering layer 11 and the bottom film covering layer 16 are both made of polyimide and epoxy resin, the thickness is one half millimeter and seven millimeters, the high temperature resistance of the whole circuit board is further improved, the top of the top film covering layer 11 is fixedly connected with the anti-static protective layer 10, and the phenomenon of electrostatic breakdown of the circuit board, a first anti-tearing line 7 is fixedly connected to one side enclosed by the access terminal 1 and the bottom film covering layer 16, the first anti-tearing line 7 is in an inverted L shape, a third anti-tearing line 9 is fixedly connected to the left bottom of the bottom film covering layer 16 and the left side of the bottom, a second anti-tearing line 4 is fixedly connected to one side enclosed by the right side and the top of the anti-static protective layer 10, the second anti-tearing line 4 and the third anti-tearing line 9 are the same and are in an L shape, a fourth anti-tearing line 5 positioned on the right side of the second anti-tearing line 4 is fixedly connected to the top of the anti-static protective layer 10, the first anti-tearing line 7 is in an inverted L shape, the second anti-tearing line 4 and the third anti-tearing line 9 are the same and are in an L shape, and meanwhile, the fourth anti-tearing line 5 is arranged, so that the position of easy breaking and easy breaking in the flexible circuit board is, the flexible circuit board is prevented from being broken, and the service life of the flexible circuit board is prolonged.
To sum up, this flexible line way board with prevent structure of splitting is an L font of falling through the shape that is provided with first tear resistance line 7, again through being provided with second tear resistance line 4 and third tear resistance line 9 the same and be the L font, simultaneously through being provided with fourth tear resistance line 5, makes easy book among the flexible line way board and decreases easy cracked position and strengthen, has prevented the fracture of flexible line way board, and then has improved the life of flexible line way board.
In addition, by arranging the substrate layer 15 to be polyimide with a thickness of one half and seven millimeters as zero, the polyimide has good heat resistance, thereby increasing the heat resistance of the whole circuit board, and compared with the traditional electrolytic copper, the circuit board has longer service life by arranging the top copper foil layer 13 and the bottom copper foil layer 17 both of rolled copper and the thickness of one, two and seven millimeters, thereby prolonging the service life of the circuit board, and by arranging the top film coating layer 11 and the bottom film coating layer 16 which are both made of polyimide and epoxy resin, and the thickness is one, two and seven millimeters at zero point, the high temperature resistance of the whole circuit board is further improved, through being provided with anti-static protection film 10, prevented that the circuit board from appearing the phenomenon of electrostatic breakdown, thereby solved the preparation of flexible line way board and the easy problem that breaks and lead to life's decline of easy emergence of its inside circuit line in the use.
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a flexible line way board with prevent structure of splitting, includes access terminal (1), its characterized in that: the left side fixed mounting of access terminal (1) has golden finger (6), first via hole (2) has been seted up at the top of access terminal (1), second via hole (3) that is located first to via hole (2) right side has been seted up at the top of access terminal (1), the right side fixedly connected with bottom wiring layer (8) of access terminal (1), the bottom fixedly connected with bottom tectorial membrane layer (16) of bottom wiring layer (8), the top fixedly connected with bottom copper foil layer (17) of bottom wiring layer (8), the top fixedly connected with bottom glue film (18) of bottom copper foil layer (17), the top fixedly connected with substrate layer (15) of bottom glue film (18), the top fixedly connected with top glue film (14) of substrate layer (15), the top fixedly connected with top copper foil layer (13) of top glue film (14), the top fixedly connected with top wiring layer (12) of top copper foil layer (13), top fixedly connected with top tectorial membrane layer (11) of top wiring layer (12), top fixedly connected with antistatic protection layer (10) of top tectorial membrane layer (11), access terminal (1) and bottom tectorial membrane layer (16) enclose one side fixedly connected with first anti-tear line (7), the left bottom of bottom tectorial membrane layer (16) and left side fixedly connected with third anti-tear line (9) of bottom, one side fixedly connected with second anti-tear line (4) that the right side and the top of antistatic protection layer (10) enclose, the top fixedly connected with of antistatic protection layer (10) is located fourth anti-tear line (5) on second anti-tear line (4) right side.
2. The flexible circuit board with the anti-fracture structure according to claim 1, wherein: the bottom wiring layer (8) is L-shaped, and the first anti-tearing line (7) is inverted L-shaped.
3. The flexible circuit board with the anti-fracture structure according to claim 1, wherein: the second anti-tear line (4) and the third anti-tear line (9) are the same and are L-shaped, and the first via hole (2) and the second via hole (3) are parallel.
4. The flexible circuit board with the anti-fracture structure according to claim 1, wherein: the substrate layer (15) is made of polyimide, and the thickness of the substrate layer is one half of two seven millimeters.
5. The flexible circuit board with the anti-fracture structure according to claim 1, wherein: the top copper foil layer (13) and the bottom copper foil layer (17) are both rolled copper, and the thickness of the top copper foil layer is one, two and seven millimeters.
6. the flexible circuit board with the anti-fracture structure according to claim 1, wherein: the top film coating layer (11) and the bottom film coating layer (16) are both made of polyimide and epoxy resin, and the thickness of the top film coating layer is one, two and seven millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344750.9U CN209767918U (en) | 2019-03-19 | 2019-03-19 | Flexible circuit board with prevent fracture structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344750.9U CN209767918U (en) | 2019-03-19 | 2019-03-19 | Flexible circuit board with prevent fracture structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209767918U true CN209767918U (en) | 2019-12-10 |
Family
ID=68755196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920344750.9U Expired - Fee Related CN209767918U (en) | 2019-03-19 | 2019-03-19 | Flexible circuit board with prevent fracture structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209767918U (en) |
-
2019
- 2019-03-19 CN CN201920344750.9U patent/CN209767918U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |