CN220493203U - Flexible circuit board for copper wire screen printing - Google Patents
Flexible circuit board for copper wire screen printing Download PDFInfo
- Publication number
- CN220493203U CN220493203U CN202321955187.1U CN202321955187U CN220493203U CN 220493203 U CN220493203 U CN 220493203U CN 202321955187 U CN202321955187 U CN 202321955187U CN 220493203 U CN220493203 U CN 220493203U
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- Prior art keywords
- copper
- waterproof glue
- pet
- layer
- wire
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000007650 screen-printing Methods 0.000 title abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 92
- 229910052802 copper Inorganic materials 0.000 claims abstract description 59
- 239000010949 copper Substances 0.000 claims abstract description 59
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 56
- 229910052709 silver Inorganic materials 0.000 claims description 22
- 239000004332 silver Substances 0.000 claims description 22
- 238000007639 printing Methods 0.000 abstract description 18
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- -1 polyethylene terephthalate Polymers 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 4
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 4
- 239000010410 layer Substances 0.000 description 123
- 101150015738 Fev gene Proteins 0.000 description 11
- 102100037681 Protein FEV Human genes 0.000 description 11
- 230000009191 jumping Effects 0.000 description 9
- 239000012790 adhesive layer Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses a flexible circuit board for screen printing of copper wires, which comprises an upper PET (polyethylene terephthalate), an upper copper wire, an upper insulating UV (ultraviolet), an upper jump copper, an upper waterproof glue, a middle PET, a lower waterproof glue, a lower jump copper, a lower insulating UV, a lower copper wire and a lower PET which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower copper wire; wherein, upper waterproof glue is provided with the exhaust air ditch, or lower floor waterproof glue is provided with the exhaust air ditch, or upper waterproof glue and lower floor waterproof glue all are provided with the exhaust air ditch. The conductive circuit is formed by partially or completely adopting copper paste printing, the copper paste printing has the advantages of strong adaptability, single component, quick solidification at low temperature, excellent adhesive force, environmental protection, lower price and the like, the product adopting the copper paste printing to form the conductive circuit can reduce the manufacturing and using cost, and meanwhile, the function of the product can meet the preset using requirement.
Description
Technical Field
The utility model relates to the technical field of flexible circuit boards, in particular to a flexible circuit board for copper wire screen printing.
Background
The flexible circuit board is mainly applied to the fields of household appliance keys, computer keys and equipment with various key functions, and realizes the electrical functions by printing conductive silver paste, insulating UV, carbon and the like on PET.
As shown in fig. 1, the flexible circuit board in the prior art mainly comprises eleven parts, including an upper layer PET1, an upper layer silver wire 21, an upper layer insulating UV3, an upper layer silver jumping 41, an upper layer waterproof glue 5, a middle layer PET6, a lower layer waterproof glue 7, a lower layer silver jumping 81, a lower layer insulating UV9, a lower layer silver wire 101, a lower layer PET11 and the like. The upper silver wire 21, the upper insulating UV3, the upper silver jumping 41 and the upper waterproof glue 5 are sequentially printed on the upper PET1 to form an upper wire, the lower silver wire 101, the lower insulating UV9, the lower silver jumping 81 and the lower waterproof glue 7 are sequentially printed on the lower PET11 to form a lower wire and protect the output end of the lower silver wire 101 by film pasting, and finally the upper wire, the middle PET6 and the lower wire are combined to achieve the integral combination of the flexible circuit board.
In the flexible circuit board with the conventional structure, since the conductive materials used for the upper silver wire 21, the upper silver wire 41, the lower silver wire 81 and the lower silver wire 101 are silver paste printed, the material cost is high, and the flexible circuit board has the defects of slow low-temperature solidification, poor adhesive force and the like, so that the flexible circuit board with the silver paste printed circuit has the problems of high price and unstable product conduction performance.
Disclosure of Invention
To solve the technical problems:
the utility model provides a flexible circuit board for copper wire screen printing, which comprises an upper PET, an upper copper wire, an upper insulating UV, an upper jump copper, an upper waterproof glue, a middle PET, a lower waterproof glue, a lower jump silver, a lower insulating UV, a lower silver wire and a lower PET which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower silver wire;
wherein, upper copper wires, upper insulating UV, upper jump copper and upper waterproof glue are printed on the upper PET in sequence to form upper wires;
the lower silver wire, the lower insulating UV, the lower jump silver and the lower waterproof glue are sequentially printed on the lower PET to form a lower wire;
wherein, the upper line and the lower line are respectively attached to the upper side and the lower side of the middle PET layer through the upper waterproof glue layer and the lower waterproof glue layer;
wherein, upper waterproof glue is provided with the exhaust air ditch, or lower floor waterproof glue is provided with the exhaust air ditch, or upper waterproof glue and lower floor waterproof glue all are provided with the exhaust air ditch.
The utility model provides a flexible circuit board for screen printing of copper wires, which comprises an upper PET layer, an upper silver wire layer, an upper insulating UV layer, an upper silver jumping layer, an upper waterproof adhesive layer, a middle PET layer, a lower waterproof adhesive layer, a lower copper jumping layer, a lower insulating UV layer, a lower copper wire layer and a lower PET layer which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower copper wire layer;
the upper layer silver wire, the upper layer insulating UV, the upper layer jump silver and the upper layer waterproof glue are sequentially printed on the upper layer PET to form an upper wire;
the lower copper wire, the lower insulating UV, the lower jump copper and the lower waterproof glue are sequentially printed on the lower PET to form a lower wire;
wherein, the upper line and the lower line are respectively attached to the upper side and the lower side of the middle PET layer through the upper waterproof glue layer and the lower waterproof glue layer;
wherein, upper waterproof glue is provided with the exhaust air ditch, or lower floor waterproof glue is provided with the exhaust air ditch, or upper waterproof glue and lower floor waterproof glue all are provided with the exhaust air ditch.
The utility model provides a flexible circuit board for screen printing of copper wires, which comprises an upper PET layer, an upper copper wire layer, an upper insulating UV layer, an upper jump copper layer, an upper waterproof glue layer, a middle PET layer, a lower waterproof glue layer, a lower jump copper layer, a lower insulating UV layer, a lower copper wire layer and a lower PET layer which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower copper wire layer;
wherein, upper copper wires, upper insulating UV, upper jump copper and upper waterproof glue are printed on the upper PET in sequence to form upper wires;
the lower copper wire, the lower insulating UV, the lower jump copper and the lower waterproof glue are sequentially printed on the lower PET to form a lower wire;
wherein, the upper line and the lower line are respectively attached to the upper side and the lower side of the middle PET layer through the upper waterproof glue layer and the lower waterproof glue layer;
wherein, upper waterproof glue is provided with the exhaust air ditch, or lower floor waterproof glue is provided with the exhaust air ditch, or upper waterproof glue and lower floor waterproof glue all are provided with the exhaust air ditch.
According to the technical scheme, the upper conductive circuit is formed by copper paste printing, or the lower conductive circuit is formed by copper paste printing, or the upper conductive circuit and the lower conductive circuit are both formed by copper paste printing, and the copper paste printing has the advantages of strong adaptability, single component, quick solidification at low temperature, excellent adhesive force, environmental protection, low price and the like, and the product formed by copper paste printing can reduce manufacturing and using cost, and meanwhile, the function of the product can meet the preset use requirement.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic diagram of an exploded structure of a flexible circuit board according to the prior art;
fig. 2 is an exploded view of a flexible circuit board according to embodiment 1;
fig. 3 is an exploded view of a flexible circuit board according to embodiment 2;
fig. 4 is an exploded view of a flexible circuit board according to embodiment 3.
The figures represent the numbers: 1. upper layer PET;21. an upper silver wire; 22. an upper copper line; 3. upper layer insulating UV;41. jumping silver on the upper layer; 42. upper layer copper jumping; 5. upper waterproof glue; 6. middle layer PET;7. lower waterproof glue; 81. jumping silver on the lower layer; 82. the lower layer jumps copper; 9. a lower insulating UV;101. a lower silver wire; 102. a lower copper line; 11. lower PET.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1:
referring to fig. 2, embodiment 1 provides a flexible circuit board for screen printing of copper wires, which comprises an upper layer PET1, an upper layer copper wire 22, an upper layer insulating UV3, an upper layer jump copper 42, an upper layer waterproof glue 5, a middle layer PET6, a lower layer waterproof glue 7, a lower layer jump silver 81, a lower layer insulating UV9, a lower layer silver wire 101 and a lower layer PET11, wherein the upper layer PET1, the upper layer copper wire 22, the upper layer insulating UV3, the upper layer jump copper 42, the upper layer waterproof glue 5, the middle layer PET6, the lower layer waterproof glue 7, the lower layer jump silver 81, the lower layer insulating UV9, the lower layer silver wire 101 and the lower layer PET11 are sequentially arranged from top to bottom, and a protective film is attached to the output end of the lower layer silver wire 101; wherein, the upper layer waterproof glue 5 is provided with an exhaust air channel, or the lower layer waterproof glue 7 is provided with an exhaust air channel, or both the upper layer waterproof glue 5 and the lower layer waterproof glue 7 are provided with exhaust air channels;
wherein, the upper copper wire 22, the upper insulating UV3, the upper jump copper 42 and the upper waterproof glue 5 are printed on the upper PET1 in sequence to form an upper wire; the lower silver wire 101, the lower insulating UV9, the lower jump silver 81 and the lower waterproof glue 7 are sequentially printed on the lower PET11 to form a lower wire; the upper line and the lower line are respectively attached to the upper side and the lower side of the middle PET6 through the upper waterproof glue 5 and the lower waterproof glue 7 to form a flexible circuit board combination.
In this embodiment 1, the upper conductive circuit is formed by printing copper paste, and the copper paste printing has the advantages of strong adaptability, single component, rapid curing at low temperature, excellent adhesion, environmental protection, low price and the like, and the product formed by printing copper paste can reduce the manufacturing and use costs, and the product functions can meet the preset use requirements.
Example 2:
referring to fig. 3, embodiment 2 provides another flexible circuit board for screen printing copper wires, which comprises an upper layer PET1, an upper layer silver wire 21, an upper layer insulating UV3, an upper layer jump silver 41, an upper layer waterproof glue 5, a middle layer PET6, a lower layer waterproof glue 7, a lower layer jump copper 82, a lower layer insulating UV9, a lower layer copper wire 102 and a lower layer PET11, wherein the upper layer PET1, the upper layer silver wire 21, the upper layer insulating UV3, the upper layer jump silver 41 and the upper layer waterproof glue 5 are sequentially arranged from top to bottom, and a protective film is attached to the output end of the lower layer copper wire 102; wherein, the upper layer waterproof glue 5 is provided with an exhaust air channel, or the lower layer waterproof glue 7 is provided with an exhaust air channel, or both the upper layer waterproof glue 5 and the lower layer waterproof glue 7 are provided with exhaust air channels;
wherein, the upper silver wire 21, the upper insulating UV3, the upper jump silver 41 and the upper waterproof glue 5 are printed on the upper PET1 in sequence to form an upper wire; the lower copper wire 102, the lower insulating UV9, the lower jump copper 82 and the lower waterproof glue 7 are sequentially printed on the lower PET11 to form a lower wire; the upper line and the lower line are respectively attached to the upper side and the lower side of the middle PET6 through the upper waterproof glue 5 and the lower waterproof glue 7 to form a flexible circuit board combination.
The difference between the embodiment 2 and the embodiment 1 is that the embodiment 2 is that the lower conductive circuit is formed by printing copper paste, and the copper paste printing has the advantages of strong adaptability, single component, quick curing at low temperature, excellent adhesive force, environmental protection, lower price and the like, and the product formed by printing copper paste can reduce the manufacturing and using cost, and meanwhile, the function of the product can reach the preset using requirement.
Example 3:
referring to fig. 4, embodiment 3 provides a further flexible circuit board for screen printing copper wires, which comprises an upper layer PET1, an upper layer copper wire 22, an upper layer insulating UV3, an upper layer copper skip 42, an upper layer waterproof glue 5, a middle layer PET6, a lower layer waterproof glue 7, a lower layer copper skip 82, a lower layer insulating UV9, a lower layer copper wire 102 and a lower layer PET11, wherein the upper layer PET1, the upper layer copper wire 22, the upper layer insulating UV3, the upper layer copper skip 42 and the upper layer waterproof glue 5 are sequentially arranged from top to bottom, and a protective film is attached to the output end of the lower layer copper wire 102; wherein, the upper layer waterproof glue 5 is provided with an exhaust air channel, or the lower layer waterproof glue 7 is provided with an exhaust air channel, or both the upper layer waterproof glue 5 and the lower layer waterproof glue 7 are provided with exhaust air channels;
wherein, the upper copper wire 22, the upper insulating UV3, the upper jump copper 42 and the upper waterproof glue 5 are printed on the upper PET1 in sequence to form an upper wire; the lower copper wire 102, the lower insulating UV9, the lower jump copper 82 and the lower waterproof glue 7 are sequentially printed on the lower PET11 to form a lower wire; the upper line and the lower line are respectively attached to the upper side and the lower side of the middle PET6 through the upper waterproof glue 5 and the lower waterproof glue 7 to form a flexible circuit board combination.
The difference between the embodiment 3 and the embodiments 1 and 2 is that the embodiment 3 is formed by printing the upper and lower conductive lines with copper paste, and the copper paste printing has the advantages of strong adaptability, single component, quick curing at low temperature, excellent adhesive force, environmental protection, lower price and the like, and the product formed by printing the copper paste can reduce the manufacturing and using cost, and the product functions can reach the preset using requirement.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to the embodiments described above will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The flexible circuit board is characterized by comprising an upper PET (1), an upper copper wire (22), an upper insulating UV (3), an upper jump copper (42) and an upper waterproof adhesive (5), a middle PET (6), a lower waterproof adhesive (7), a lower jump silver (81), a lower insulating UV (9), a lower silver wire (101) and a lower PET (11) which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower silver wire (101);
wherein, upper copper wires (22), upper insulating UV (3), upper jump copper (42) and upper waterproof glue (5) are printed on the upper PET (1) in sequence to form upper wires;
the lower silver wire (101), the lower insulating UV (9), the lower jump silver (81) and the lower waterproof glue (7) are sequentially printed on the lower PET (11) to form a lower wire;
wherein, the upper line and the lower line are respectively attached to the upper side and the lower side of the middle layer PET (6) through an upper layer waterproof adhesive (5) and a lower layer waterproof adhesive (7);
wherein, upper waterproof glue (5) is provided with the exhaust air ditch, or lower floor waterproof glue (7) is provided with the exhaust air ditch, or upper waterproof glue (5) and lower floor waterproof glue (7) all are provided with the exhaust air ditch.
2. The flexible circuit board is characterized by comprising an upper PET (1), an upper silver wire (21), an upper insulating UV (3), an upper jump silver (41) and an upper waterproof adhesive (5), a middle PET (6), a lower waterproof adhesive (7), a lower jump copper (82), a lower insulating UV (9), a lower copper wire (102) and a lower PET (11) which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower copper wire (102);
wherein, upper silver wire (21), upper insulating UV (3), upper jump silver (41) and upper waterproof glue (5) are printed on upper PET (1) in turn to form upper wire;
the lower copper wire (102), the lower insulating UV (9), the lower jump copper (82) and the lower waterproof glue (7) are sequentially printed on the lower PET (11) to form a lower wire;
wherein, the upper line and the lower line are respectively attached to the upper side and the lower side of the middle layer PET (6) through an upper layer waterproof adhesive (5) and a lower layer waterproof adhesive (7);
wherein, upper waterproof glue (5) is provided with the exhaust air ditch, or lower floor waterproof glue (7) is provided with the exhaust air ditch, or upper waterproof glue (5) and lower floor waterproof glue (7) all are provided with the exhaust air ditch.
3. The flexible circuit board is characterized by comprising an upper PET (1), an upper copper wire (22), an upper insulating UV (3), an upper jump copper (42) and an upper waterproof adhesive (5), a middle PET (6), a lower waterproof adhesive (7), a lower jump copper (82), a lower insulating UV (9), a lower copper wire (102) and a lower PET (11) which are sequentially arranged from top to bottom, wherein a protective film is attached to the output end of the lower copper wire (102);
wherein, upper copper wires (22), upper insulating UV (3), upper jump copper (42) and upper waterproof glue (5) are printed on the upper PET (1) in sequence to form upper wires;
the lower copper wire (102), the lower insulating UV (9), the lower jump copper (82) and the lower waterproof glue (7) are sequentially printed on the lower PET (11) to form a lower wire;
wherein, the upper line and the lower line are respectively attached to the upper side and the lower side of the middle layer PET (6) through an upper layer waterproof adhesive (5) and a lower layer waterproof adhesive (7);
wherein, upper waterproof glue (5) is provided with the exhaust air ditch, or lower floor waterproof glue (7) is provided with the exhaust air ditch, or upper waterproof glue (5) and lower floor waterproof glue (7) all are provided with the exhaust air ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955187.1U CN220493203U (en) | 2023-07-24 | 2023-07-24 | Flexible circuit board for copper wire screen printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955187.1U CN220493203U (en) | 2023-07-24 | 2023-07-24 | Flexible circuit board for copper wire screen printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220493203U true CN220493203U (en) | 2024-02-13 |
Family
ID=89833719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955187.1U Active CN220493203U (en) | 2023-07-24 | 2023-07-24 | Flexible circuit board for copper wire screen printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220493203U (en) |
-
2023
- 2023-07-24 CN CN202321955187.1U patent/CN220493203U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |