CN203912315U - Single surface and double surface flexible circuit board - Google Patents
Single surface and double surface flexible circuit board Download PDFInfo
- Publication number
- CN203912315U CN203912315U CN201420259952.0U CN201420259952U CN203912315U CN 203912315 U CN203912315 U CN 203912315U CN 201420259952 U CN201420259952 U CN 201420259952U CN 203912315 U CN203912315 U CN 203912315U
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- conductor layer
- solder mask
- welding
- fracture
- welding resistance
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Abstract
The utility model discloses a single surface and a double surface flexible circuit board. The single surface flexible circuit board comprises a conductive wire layer which further comprises two main conductive wires arranged in a side by side mode and an intermediate conductive wire positioned between the two main conductive wires. A fracture forms in the intermediate conductive wire by means of rolling a rolling upper die which is with a rolling pin on the intermediate conductive wire. One end of the intermediate conductive wire is welded one of the main conductive wire, and the other end of the intermediate conductive wire is welded with the other main conductive wire to form a major loop. The single surface flexible circuit board also comprises a first welding-resistant layer and a second welding-resistant layer. The first welding-resistant layer forms by means of coating welding-resistant paint or thermocompression welding-resistant belts on the surface of one side of the conductive layer. The first welding-resistant layer is provided with a window corresponding to the fracture of the conductive layer. The second welding-resistant layer forms by means of coating welding-resistant paint or thermocompression welding-resistant belts on the surface of the other side of the conductive layer. According to the single surface flexible circuit board of the utility model, advantages of simple technology and high efficiency are realized; and the welding-resisting layers of the upper layer and the lower layer are provided, so that heatproof and burning resistance performance of the flexible circuit board are substantially enhanced.
Description
Technical field
The utility model relates to circuit board, particularly relates to a kind of single, double surface flexible PCB.
Background technology
LED as one the 4th generation lighting source, there is significant energy-conservation and life-span advantage.Along with social development, the lighting energy consumption problem in daily life becomes increasingly conspicuous, and therefore, the LED light fixture with remarkable power savings advantages is more and more subject to people's favor.
The soft lamp band of LED flexible circuit board, because FPC material is soft, can be arbitrarily crooked, folding, reel, can be arbitrarily mobile and flexible and can not fracture at three dimensions, the place that is suitable for irregular place and narrow space is used; Also because of its bending arbitrarily and coiling, be suitable for the various patterns of combination in any in ad decoration.Therefore, the application in sight illumination and emotional-appeal illumination of LED flexible circuit board is more and more extensive.
Existing LED is soft, and lamp band is generally three-decker with flexible circuit board, and bottom is insulating barrier, and intermediate layer is flat conductor layer, and upper strata is solder mask.The manufacture method of this flexible circuit board is as follows: by the hot pressing of flat conductor layer Alignment on insulating barrier, on flat conductor layer, carry out Punching Technology, thereby cut in the flat conductor layer position that needs fracture, form fracture, finally on flat conductor layer, print the coverlay that welding resistance ink or hot pressing have window in advance, and form solder mask.Because flat conductor layer adopts Punching Technology, form fracture, die-cut easily formation after complete skimmed mouthful, follow-up need to flatten or forge flat, complex procedures; And, generally adopt small-size punching machine, once rush at the most 3 fractures, production efficiency is low; And bottom is insulating barrier, heat-resisting poor with firing resistance.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved in the utility model is, provides a kind of production efficiency high, the heat-resisting and good single, double surface flexible PCB of firing resistance.
In order to solve the problems of the technologies described above, a kind of single-sided flexible circuit board provided by the utility model, comprising:
Conductor layer, described conductor layer comprises be arranged side by side two main traverse lines and the central conductor between two main traverse lines, described central conductor is by using the roll extrusion patrix roll extrusion thereon with roll extrusion pin to form needed fracture, and one end of described central conductor and a wherein main traverse line welding, the other end and the welding of another root main traverse line, and form major loop;
The first solder mask, described the first solder mask is by applying welding resistance paint on the surface in described conductor layer one side or hot pressing welding resistance band forms, and described the first solder mask has the window corresponding with fracture on described conductor layer; And
The second solder mask, described the second solder mask is by applying welding resistance paint or hot pressing welding resistance band forms on the surface at described conductor layer opposite side.
In an embodiment, between the welding resistance band of described the first solder mask and described conductor layer, be provided with back adhesive tape therein, on described back adhesive tape, have in advance the opening corresponding with fracture on described conductor layer.
In an embodiment, between the welding resistance band of described the second solder mask and described conductor layer, be provided with back adhesive tape therein.
A kind of double-sided flex circuit plate provided by the utility model, comprising:
Conductor layer, described conductor layer comprises be arranged side by side two main traverse lines and the central conductor between two main traverse lines, described central conductor is by using the roll extrusion patrix roll extrusion thereon with roll extrusion pin to form needed fracture, and one end of described central conductor and a wherein main traverse line welding, the other end and the welding of another root main traverse line, and form major loop;
The first solder mask, described the first solder mask is by applying welding resistance paint on the surface in described conductor layer one side or hot pressing welding resistance band forms, and described the first solder mask has the first window corresponding with fracture on described conductor layer; And
The second solder mask, described the second solder mask is by applying welding resistance paint on the surface at described conductor layer opposite side or hot pressing welding resistance band forms, and described the second solder mask has the Second Window corresponding with fracture on described conductor layer.
In an embodiment, between the welding resistance band of described the first solder mask and described conductor layer, be provided with back adhesive tape therein, on described back adhesive tape, have in advance first opening corresponding with fracture on described conductor layer.
In an embodiment, between the welding resistance band of described the second solder mask and described conductor layer, be provided with back adhesive tape therein, on described back adhesive tape, have in advance second opening corresponding with fracture on described conductor layer.
Compared with prior art, single, double surface flexible PCB of the present utility model, employing is carried out roll extrusion and is formed needed fracture with the roll extrusion patrix of roll extrusion pin on the central conductor of conductor layer, compared to prior art, adopt Punching Technology to form the mode of fracture, have advantages of that technique is simple, production efficiency is high; And, there is upper and lower two-layer solder mask, the larger heat-resisting and firing resistance that has strengthened flexible PCB.
The beneficial effect that the utility model additional technical feature has will partly describe in this specification embodiment.
Accompanying drawing explanation
Fig. 1 is the perspective view of roll extrusion patrix;
Fig. 2 is the wire structures schematic diagram of conductor layer on roll extrusion absorption counterdie before roll extrusion;
Fig. 3 a and Fig. 3 b are the harness wiring structural representation being adsorbed on after roll extrusion on roll extrusion absorption counterdie, and wherein, Fig. 3 b is the local enlarged diagram at I place in Fig. 3 a;
Fig. 4 is the structural representation of the flexible PCB of the utility model embodiment mono-;
Fig. 5 is the structural representation of the flexible PCB of the utility model embodiment bis-;
Fig. 6 is the structural representation of the flexible PCB of the utility model embodiment tri-;
Fig. 7 is the structural representation of the flexible PCB of the utility model embodiment tetra-;
Fig. 8 is the structural representation of the flexible PCB of the utility model embodiment five;
Fig. 9 is the structural representation of the flexible PCB of the utility model embodiment six;
Figure 10 is the structural representation of the flexible PCB of the utility model embodiment seven;
Figure 11 is the structural representation of the flexible PCB of the utility model embodiment eight.
Each is schemed above, the 1, first solder mask; 2, back adhesive tape; 3, conductor layer; 31, main traverse line; 311, extension; 32, central conductor; 321, fracture; 4, the second solder mask; 5, component encapsulation layer; 6, roll extrusion patrix; 61, roll extrusion pin; 7, roll extrusion absorption counterdie.
Embodiment
Below with reference to accompanying drawing, also the utility model is elaborated in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in following embodiment and embodiment can combine mutually.
Single, double surface flexible PCB of the present utility model, adopts the roll extrusion patrix with roll extrusion pin on the central conductor of conductor layer, to carry out roll extrusion and form needed fracture.Fig. 1 and Fig. 2 have provided respectively the structural representation of the wire structures schematic diagram of roll extrusion patrix and the front conductor layer of roll extrusion, the good conductor layer 3 of cloth on roll extrusion absorption counterdie 7, it comprises the main traverse line 31 on both sides and middle central conductor 32, roll extrusion patrix 6 can pivot, its circumference is provided with according to the roll extrusion pin 61 of the required fracture 321 of central conductor 32 component encapsulation layer 5, on roll extrusion absorption counterdie 7, dispose the hole rolling (not shown) of cooperation, when the central conductor 32 of roll extrusion patrix 6 along the roll extrusion absorption counterdie 7 of the good conductor layer 3 of cloth rolls, roll extrusion pin 61 just can be as required on central conductor 32 the required fracture 321 of forming element encapsulated layer 5 as required.
Fig. 3 a and Fig. 3 b adsorb the harness wiring structural representation of counterdie 7 in roll extrusion after roll extrusion, through roll extrusion, central conductor 32 on roll extrusion absorption counterdie 7, forms the fracture 321 that needs component encapsulation according to circuit, and main traverse line 31 forms major loop by the extension 311 at two ends with central conductor 32.
Single, double surface flexible PCB of the present utility model, adopts Punching Technology to form the mode of fracture compared to prior art, has advantages of that technique is simple, production efficiency is high; And, upper and lower two-layer solder mask, the larger heat-resisting and firing resistance that has strengthened flexible PCB.Below by specific embodiment, the utility model is elaborated.
Embodiment mono-
The present embodiment provides a kind of single-sided flexible circuit board, as shown in Figure 4, this single-sided flexible circuit board comprises from top to bottom: apply welding resistance paint and the first solder mask 1 of forming, component encapsulation layer 5, conductor layer 3, back adhesive tape 2 and hot pressing welding resistance band and the second solder mask 4 of forming, wherein conductor layer 33 comprises the main traverse line 31 of both sides and middle central conductor 32, described central conductor 32 is by using the roll extrusion patrix roll extrusion thereon with roll extrusion pin to form needed fracture 321, described the first solder mask 1 has the window (not shown) corresponding with fracture on described conductor layer.
Embodiment bis-
As shown in Figure 5, the single-sided flexible circuit board in the present embodiment is different from embodiment mono-, and the welding resistance band that described the first solder mask 1 offers window in advance by hot pressing on the surface in described conductor layer 3 one sides forms.Preferably, described welding resistance band is in the face of the surface of described conductor layer 3 is pasted with back adhesive tape 2, has in advance the opening corresponding with fracture 321 on described conductor layer 3 on described back adhesive tape 2.
Embodiment tri-
As shown in Figure 6, the single-sided flexible circuit board in the present embodiment is different from embodiment mono-, and described the second solder mask 4 forms by applying welding resistance paint on the surface at described conductor layer 3 opposite sides.
Embodiment tetra-
As shown in Figure 7, the single-sided flexible circuit board in the present embodiment is different from embodiment mono-, and the welding resistance band that described the first solder mask 1 offers window in advance by hot pressing on the surface in described conductor layer 3 one sides forms.Preferably, described welding resistance band is in the face of the surface of described conductor layer 3 is pasted with back adhesive tape 2, has in advance the opening corresponding with fracture 321 on described conductor layer 3 on described back adhesive tape 2; And described the second solder mask 4 forms by applying welding resistance paint on the surface at described conductor layer 3 opposite sides.
Embodiment five
The present embodiment provides a kind of double-sided flex circuit plate, as shown in Figure 8, this double-sided flex circuit plate comprises from top to bottom: apply welding resistance paint and the first solder mask 1 of forming, component encapsulation layer 5, conductor layer 3, hot pressing welding resistance band and the second solder mask 4 and the component encapsulation layer 5 that form, wherein conductor layer 33 comprises the main traverse line 31 of both sides and middle central conductor 32, described central conductor 32 is by using the roll extrusion patrix roll extrusion thereon with roll extrusion pin to form needed fracture 321, and one end of described central conductor 32 and wherein main traverse line 31 welding, the other end and 31 welding of another root main traverse line, and formation major loop, described the first solder mask 1 has the first window (not shown) corresponding with fracture 321 on described conductor layer.Described the second solder mask 4 has the Second Window (not shown) corresponding with fracture 321 on described conductor layer.More preferably, the described welding resistance band of described the second solder mask 4 is in the face of the surface of described conductor layer 3 is pasted with back adhesive tape 2, has in advance the second opening (not shown) corresponding with fracture 321 on described conductor layer 3 on described back adhesive tape 2.
Embodiment six
As shown in Figure 9, the double-sided flex circuit plate in the present embodiment is different from embodiment five, and the welding resistance band that described the first solder mask 1 offers window in advance by hot pressing on the surface in described conductor layer 3 one sides forms.Preferably, described welding resistance band is in the face of the surface of described conductor layer 3 is pasted with back adhesive tape 2, has in advance first opening corresponding with fracture 321 on described conductor layer 3 on described back adhesive tape 2.
Embodiment seven
As shown in figure 10, the double-sided flex circuit plate in the present embodiment is different from embodiment five, applies welding resistance paint and form on the surface of described the second solder mask 4 by described conductor layer 3 opposite sides the position except corresponding with described fracture 321.
Embodiment eight
As shown in figure 11, the double-sided flex circuit plate in the present embodiment is different from embodiment five, and the welding resistance band that described the first solder mask 1 offers window in advance by hot pressing on the surface in described conductor layer 3 one sides forms.Preferably, described welding resistance band is in the face of the surface of described conductor layer 3 is pasted with back adhesive tape 2, has in advance first opening corresponding with fracture 321 on described conductor layer 3 on described back adhesive tape 2; And, on the surface of described the second solder mask 4 by described conductor layer 3 opposite sides the position except corresponding with described fracture 321, apply welding resistance paint and form.
As can be seen here, single, double surface flexible PCB of the present utility model, employing is carried out roll extrusion and is formed needed fracture 321 with the roll extrusion patrix 6 of roll extrusion pin 61 on the central conductor 32 of conductor layer 3, compared to adopting Punching Technology to form the mode of fracture 321, have advantages of that technique is simple, production efficiency is high; And, there is upper and lower two-layer solder mask, the larger heat-resisting and firing resistance that has strengthened flexible PCB.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (6)
1. a single-sided flexible circuit board, is characterized in that, comprising:
Conductor layer, described conductor layer comprises be arranged side by side two main traverse lines and the central conductor between two main traverse lines, described central conductor is by using the roll extrusion patrix roll extrusion thereon with roll extrusion pin to form needed fracture, and one end of described central conductor and a wherein main traverse line welding, the other end and the welding of another root main traverse line, and form major loop;
The first solder mask, described the first solder mask is by applying welding resistance paint on the surface in described conductor layer one side or hot pressing welding resistance band forms, and described the first solder mask has the window corresponding with fracture on described conductor layer; And
The second solder mask, described the second solder mask is by applying welding resistance paint or hot pressing welding resistance band forms on the surface at described conductor layer opposite side.
2. single-sided flexible circuit board according to claim 1, is characterized in that, between the welding resistance band of described the first solder mask and described conductor layer, is provided with back adhesive tape, has in advance the opening corresponding with fracture on described conductor layer on described back adhesive tape.
3. single-sided flexible circuit board according to claim 1, is characterized in that, between the welding resistance band of described the second solder mask and described conductor layer, is provided with back adhesive tape.
4. a double-sided flex circuit plate, is characterized in that, comprising:
Conductor layer, described conductor layer comprises be arranged side by side two main traverse lines and the central conductor between two main traverse lines, described central conductor is by using the roll extrusion patrix roll extrusion thereon with roll extrusion pin to form needed fracture, and one end of described central conductor and a wherein main traverse line welding, the other end and the welding of another root main traverse line, and form major loop;
The first solder mask, described the first solder mask is by applying welding resistance paint on the surface in described conductor layer one side or hot pressing welding resistance band forms, and described the first solder mask has the first window corresponding with fracture on described conductor layer; And
The second solder mask, described the second solder mask is by applying welding resistance paint on the surface at described conductor layer opposite side or hot pressing welding resistance band forms, and described the second solder mask has the Second Window corresponding with fracture on described conductor layer.
5. double-sided flex circuit plate according to claim 4, is characterized in that, between the welding resistance band of described the first solder mask and described conductor layer, is provided with back adhesive tape, has in advance first opening corresponding with fracture on described conductor layer on described back adhesive tape.
6. double-sided flex circuit plate according to claim 4, is characterized in that, between the welding resistance band of described the second solder mask and described conductor layer, is provided with back adhesive tape, has in advance second opening corresponding with fracture on described conductor layer on described back adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259952.0U CN203912315U (en) | 2014-05-20 | 2014-05-20 | Single surface and double surface flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259952.0U CN203912315U (en) | 2014-05-20 | 2014-05-20 | Single surface and double surface flexible circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912315U true CN203912315U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259952.0U Expired - Fee Related CN203912315U (en) | 2014-05-20 | 2014-05-20 | Single surface and double surface flexible circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912315U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101654A (en) * | 2014-05-20 | 2015-11-25 | 广东德豪润达电气股份有限公司 | Manufacturing methods of single-sided and double-sided flexible circuit boards and single-sided and double-sided flexible circuit boards |
| CN109757032A (en) * | 2017-11-04 | 2019-05-14 | 王定锋 | A kind of method of metal-foil circuits and wire circuit produced with combination circuit board |
-
2014
- 2014-05-20 CN CN201420259952.0U patent/CN203912315U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101654A (en) * | 2014-05-20 | 2015-11-25 | 广东德豪润达电气股份有限公司 | Manufacturing methods of single-sided and double-sided flexible circuit boards and single-sided and double-sided flexible circuit boards |
| CN105101654B (en) * | 2014-05-20 | 2018-02-27 | 广东德豪润达电气股份有限公司 | The preparation method and single, double surface flexible PCB of single, double surface flexible PCB |
| CN109757032A (en) * | 2017-11-04 | 2019-05-14 | 王定锋 | A kind of method of metal-foil circuits and wire circuit produced with combination circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190912 Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee after: ELEC-TECH INTERNATIONAL CO.,LTD. Address before: 4 building, No. six, No. 18, Harbour Road, Tang Wan Town, Zhuhai, Guangdong, 519000 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee after: Zhuhai Leishi Lighting Co.,Ltd. Address before: 519000 Guangdong city of Zhuhai province high tech Zone Tangjiawan town Jinfeng Road No. 1 office building on the third floor Room 301 Patentee before: ELEC-TECH INTERNATIONAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |