CN212076918U - Double-sided adhesive tape full-page sheet stock for flexible circuit board - Google Patents
Double-sided adhesive tape full-page sheet stock for flexible circuit board Download PDFInfo
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- CN212076918U CN212076918U CN202020643766.2U CN202020643766U CN212076918U CN 212076918 U CN212076918 U CN 212076918U CN 202020643766 U CN202020643766 U CN 202020643766U CN 212076918 U CN212076918 U CN 212076918U
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Abstract
The utility model belongs to the technical field of the double faced adhesive tape technique and specifically relates to a double faced adhesive tape full position sheet stock for flexible circuit board is related to, its technical scheme main points are: the adhesive tape comprises a bearing layer, a double-sided adhesive unit and a release layer which are sequentially adhered from top to bottom, wherein the bearing layer is in a rectangular sheet shape, the lengths of two adjacent edges of the bearing layer are unequal, and a position identifying piece is arranged at the edge of the bearing layer; the shape and size of the release layer and the bearing layer are the same. The full-page sheet stock of the double-sided adhesive tape is convenient for workers to distinguish two opposite surfaces.
Description
Technical Field
The utility model belongs to the technical field of the double faced adhesive tape technique and specifically relates to a double faced adhesive tape full position sheet stock for flexible circuit board is related to.
Background
A Flexible Printed Circuit (FPC) is a highly reliable and excellent Flexible Printed Circuit board made of polyimide or polyester film as a base material. The printed circuit board has the characteristics of high wiring density, light weight, thin thickness and good bending property, and is widely applied to electronic products such as mobile phones and computers. At present, a flexible circuit board is usually adhered to a predetermined position of an electronic product by using a double-sided adhesive tape.
Chinese patent No. CN206790789U discloses a full-page gluing jig for double-sided adhesive tape, which comprises an FPC arrangement jig and a double-sided adhesive tape arrangement jig; the FPC arranging jig is used for containing the flexible circuit board, the double faced adhesive tape arranging jig is used for loading a double faced adhesive tape full page sheet material, and the double faced adhesive tape full page sheet material comprises a double faced adhesive tape unit matched with the flexible circuit board. Through arranging the tool with the double faced adhesive tape and arranging tool with FPC and counterpointing and laminating, realize the alignment and the bonding of double faced adhesive tape unit and flexible circuit board, the rubberizing operating efficiency is high and laminating is effectual.
The double faced adhesive tape full page sheet material in the prior art mainly comprises a bearing layer, a double faced adhesive tape unit and a release layer which are sequentially arranged from top to bottom, wherein the bearing layer and the release layer are rectangular sheets with the same size, the bearing layer and the release layer cover the upper side and the lower side of the double faced adhesive tape unit, and the viscosity of the bearing layer and the double faced adhesive tape unit is greater than the viscosity between the double faced adhesive tape unit and the release layer. The staff tears earlier from the type layer to will tear the whole version sheet stock of double faced adhesive tape from the type layer and be fixed in double faced adhesive tape and arrange the tool on, make double faced adhesive tape arrange the tool and arrange the tool with FPC and counterpoint and the laminating back, tear the bearer layer again, realize the bonding of double faced adhesive tape unit and flexible circuit board promptly.
However, the whole shape of the double-sided adhesive whole plate sheet material is a rectangular sheet shape, so that the upper surface and the lower surface of the double-sided adhesive whole plate sheet material are the same; after the worker tears off the release layer, the situation that sundries are adhered to the double-sided tape unit due to reverse taking or placing of the whole double-sided tape sheet material may occur.
Disclosure of Invention
To the deficiencies of the prior art, one of the objects of the present invention is to provide a double-sided tape full page sheet material for flexible circuit board, which is convenient for the worker to distinguish two opposite surfaces.
The above technical purpose of the present invention can be achieved by the following technical solutions: a double faced adhesive tape full page sheet material for a flexible circuit board comprises a bearing layer, a double faced adhesive tape unit and a release layer which are sequentially adhered from top to bottom, wherein the bearing layer is in a rectangular sheet shape, the lengths of two adjacent edges of the bearing layer are not equal, and a position identifying piece is arranged at the edge of the bearing layer; the shape and the size of the release layer and the bearing layer are the same.
Through adopting above-mentioned technical scheme, make the bearer layer and be different length from two adjacent sides on type layer, and set up in the edge of bearer layer and distinguish the position piece for two surfaces that the whole edition of sheet stock of double faced adhesive tape is relative have different outward appearances when towards same direction, thereby be convenient for the staff to distinguish two surfaces that the whole edition of sheet stock of double faced adhesive tape is relative.
Preferably, the position identifying piece is a position identifying notch, and the position identifying notch is arranged at one corner of the bearing layer.
Through adopting above-mentioned technical scheme, carrying the corner cut processing in a corner of the bearing layer that is the rectangle form, can obtaining and being used for supplying the staff to carry out the position scarce angle of distinguishing that discerns, corner cut technology can be gone on in step at the in-process that double faced adhesive tape full plate sheet stock was cut into the piece, and the technology changes for a short time, is convenient for realize.
Preferably, the position identifying piece is a position identifying convex edge, and the position identifying convex edge is arranged at one corner of the bearing layer.
Through adopting above-mentioned technical scheme, set up at the edge of bearer layer and distinguish the position chimb, can be used for supplying the staff to discern.
Preferably, the positioning flange and the bearing layer are integrally formed.
Through adopting above-mentioned technical scheme, being cut into the process of piece at double faced adhesive tape full page sheet stock, leaving the position chimb of distinguishing at the edge of bearer layer, can be used for supplying the staff to discern, and the edge process of staying can be gone on in step at the in-process that double faced adhesive tape full page sheet stock was cut into the piece, and the technology changes for a short time, is convenient for realize.
Preferably, the identifying member is a colored tape, and the colored tape is adhered to the surface of the bearing layer far away from the wire layer.
By adopting the technical scheme, the original cutting process is not required to be changed, after the whole double-sided adhesive tape sheet is cut and formed, the colored adhesive tape is adhered to the surface of the bearing layer to form the position-identifying convex edge, and the position-identifying convex edge can be used for identifying by workers.
Preferably, the double-sided adhesive unit comprises a double-sided adhesive layer and a stripping layer, the stripping layer is positioned between the double-sided adhesive layer and the bearing layer, the viscosity of the stripping layer and the double-sided adhesive layer is greater than that of the stripping layer and the bearing layer, and the viscosity of the stripping layer and the double-sided adhesive layer is less than that of the double-sided adhesive layer and the flexible circuit board.
Through adopting above-mentioned technical scheme, when the double faced adhesive tape unit on the bearer layer bonds with the flexible circuit board mutually, tear the bearer layer after, form the condition that double faced adhesive tape and flexible circuit board bonded mutually, the peel ply can be kept away from the bonding face of flexible circuit board to double faced adhesive tape and protect, when treating to bond flexible circuit board in the preset position of electronic product, tear the back with the peel ply, can bond.
Preferably, the peeling layer is a double-sided anti-static blue film, the double-sided adhesive layer is bonded on the release surface of the double-sided anti-static blue film, and the bearing layer is bonded on the release surface of the double-sided anti-static blue film.
By adopting the technical scheme, the double-sided anti-static blue film is used as the stripping layer of the double-sided adhesive tape unit, and after the double-sided adhesive tape unit is bonded on the flexible circuit board, the interference condition of the flexible circuit board caused by static electricity generated in the transportation process can be reduced.
Preferably, the bearing layer and the release layer are transparent films.
Through adopting above-mentioned technical scheme, the bearer layer all uses transparent film with from the type layer, and the staff of being convenient for carries out simple visual inspection to the cladding in the bearer layer and from the double faced adhesive tape unit between the type layer, and is convenient for realize the counterpoint between whole version sheet stock of double faced adhesive tape and the double faced adhesive tape range tool.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the two opposite surfaces of the whole double-sided adhesive tape sheet are convenient for workers to distinguish, and the situation that sundries are adhered to the double-sided adhesive tape unit due to reverse taking or placing of the whole double-sided adhesive tape sheet after the release layer is torn off is reduced;
2. the corner cutting process can be synchronously carried out in the process of cutting the whole double-faced adhesive tape sheet material into the sheet material, the process change is small, and the realization is convenient;
3. in the process of cutting the whole double-faced adhesive tape into pieces, a position identifying convex edge is left at the edge of the bearing layer, so that the position identifying convex edge can be used for identifying workers, the edge retaining process can be synchronously performed in the process of cutting the whole double-faced adhesive tape into pieces, the process change is small, and the realization is convenient.
Drawings
FIG. 1 is a top view of a double-sided tape full page of sheet stock according to an embodiment of the present invention.
Fig. 2 is a schematic view of an exploded structure of a carrier layer, a double-sided tape unit and a release layer according to an embodiment of the present invention.
Fig. 3 is a schematic view of an exploded structure of the carrier layer, the double-sided tape unit and the release layer in the second embodiment of the present invention.
Fig. 4 is a schematic view of an exploded structure of the carrier layer, the double-sided tape unit and the release layer in the third embodiment of the present invention.
Reference numerals: 1. a carrier layer; 2. a double-sided adhesive tape unit; 21. a double-sided adhesive layer; 22. a double-sided antistatic blue film; 22a, a stripping handle; 3. a release layer; 3a, a convex edge strip; 4. a position identifying piece; 41. position-identifying unfilled corners; 42. identifying a convex edge; 43. a colored tape.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 and 2, for the utility model discloses a double faced adhesive tape full position sheet stock for flexible circuit board, include bearing layer 1, double faced adhesive tape unit 2 and from type layer 3 that top-down adhered in proper order, wherein, the viscidity from between type layer 3 and double faced adhesive tape unit 2 is less than the viscidity of bearing layer 1 and double faced adhesive tape unit 2 to tear off type layer 3.
Referring to fig. 2, the shape and size of the carrier layer 1 and the release layer 3 are the same, and both are transparent silica gel protective films; simultaneously, the bearing layer 1 and the release layer 3 are rectangular film with unequal adjacent edge lengths, and the corner of the bearing layer 1 is also provided with a position identifying piece 4. In this embodiment, the position identifying piece 4 is a position identifying notch 41, and the position identifying notch 41 is simultaneously disposed at the corresponding edge of the bearing layer 1 and the release layer 3, and is formed in the process of cutting the whole double-sided adhesive tape sheet into pieces.
Referring to fig. 1 and 2, the number of the double-sided tape units 2 is multiple, and the multiple double-sided tape units 2 are all wrapped between the carrier layer 1 and the release layer 3. Specifically, the double-sided tape unit 2 includes a double-sided tape layer 21 and a peeling layer, wherein two surfaces of the double-sided tape layer 21 opposite to each other are bonding surfaces, and one of the bonding surfaces is bonded to the release layer 3. In this embodiment, the double-sided adhesive layer 21 may be a adhesive layer obtained by removing a release paper by using TESA4972 double-sided adhesive.
Referring to fig. 1 and fig. 2, the peeling layer is located between the double-sided adhesive layer 21 and the carrier layer 1, the peeling layer is a double-sided anti-static blue film 22, the surface of the double-sided anti-static blue film 22 close to the double-sided adhesive layer 21 is a release surface, and the double-sided anti-static blue film is bonded with the bonding surface of the double-sided adhesive layer 21 far away from the release layer 3; the surface of the double-sided antistatic blue film 22 far away from the double-sided adhesive layer 21 is a non-release surface and is bonded with the bearing layer 1. Meanwhile, the viscosity of the double-sided antistatic blue film 22 and the double-sided adhesive layer 21 is greater than that of the double-sided antistatic blue film 22 and the bearing layer 1, so that the bearing layer 1 can be torn off from the double-sided adhesive unit 2.
Meanwhile, the viscosity of the double-sided adhesive layer 21 and the flexible circuit board is greater than that of the double-sided adhesive layer 21 and the double-sided anti-static blue film 22, so that the double-sided anti-static blue film 22 can be torn off from the double-sided adhesive layer 21 before the flexible circuit board is bonded to the preset position of the electronic product. In addition, the double-sided anti-static blue film 22 is also integrally formed with a peeling handle 22a, and the process that the worker tears off the double-sided anti-static blue film 22 is more convenient by pinching the peeling handle 22 a.
The implementation principle of the embodiment is as follows: two adjacent edges of the bearing layer 1 and the release layer 3 are different in length, and a position identifying piece 4 is arranged at the corner of the bearing layer 1, so that two opposite surfaces of the double-sided adhesive whole-plate sheet material have different appearances when facing to the same direction; thereby be convenient for the staff to distinguish two relative surfaces of double faced adhesive tape full position sheet stock, reduce to tear off and make the condition of double faced adhesive tape unit 2 adhesion debris because of reverse taking or placing double faced adhesive tape full position sheet stock behind the type layer 3.
Simultaneously, when treating the needs and bonding the flexible circuit board in the preset position of electronic product, peel off layer integrated into one piece's peeling handle 22a is convenient for the staff to carry out the application of force to the peel off layer to it is more convenient to make the process that the staff torn the peel off layer.
Example two:
referring to fig. 3, in order to disclose the present invention, the present embodiment is different from the first embodiment in terms of a double-sided tape full-page sheet material for a flexible circuit board: the position identifying pieces 4 are different, specifically, the position identifying pieces 4 are position identifying convex edges 42 integrally formed at one corner of the bearing layer 1, correspondingly, the release layer 3 is also integrally formed with convex edge strips 3a which are the same as the position identifying convex edges 42 in shape and size, and the convex edge strips are formed in the process of cutting the double-faced adhesive tape whole-plate sheet materials into pieces; in addition, when the need tears off type layer 3, through the position of telling chimb 42 and chimb strip 3a of buckling mutually laminating, be convenient for realize bearing layer 1 with the separation from type layer 3.
Example three:
referring to fig. 4, in order to disclose the present invention, the present embodiment is different from the first embodiment in terms of a double-sided tape full-page sheet material for a flexible circuit board: the position identifying piece 4 is different, specifically, the position identifying piece 4 is a colored adhesive tape 43, and the colored adhesive tape 43 is bonded on the surface of the bearing layer 1 away from the line layer.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a double faced adhesive tape full page sheet stock for flexible circuit board, includes bearing layer (1), double faced adhesive tape unit (2) and from type layer (3) that top-down adhered in proper order, its characterized in that: the bearing layer (1) is rectangular and flaky, the lengths of two adjacent sides of the bearing layer (1) are not equal, and a position identifying piece (4) is arranged at the corner of the bearing layer (1); the shape and the size of the release layer (3) and the bearing layer (1) are the same.
2. A double-sided adhesive full-size sheet stock for a flexible circuit board according to claim 1, wherein: the position identifying piece (4) is a position identifying notch (41), and the position identifying notch (41) is arranged at one corner of the bearing layer (1).
3. A double-sided adhesive full-size sheet stock for a flexible circuit board according to claim 1, wherein: the position identifying piece (4) is a position identifying convex edge (42), and the position identifying convex edge (42) is arranged at one corner of the bearing layer (1).
4. A double-sided adhesive full-page sheet for a flexible circuit board according to claim 3, wherein: the positioning convex edge (42) and the bearing layer (1) are integrally formed.
5. A double-sided adhesive full-size sheet stock for a flexible circuit board according to claim 1, wherein: the position identifying piece (4) is a colored adhesive tape (43), and the colored adhesive tape (43) is adhered to the surface of the bearing layer (1) far away from the line layer.
6. The double-sided adhesive full-page sheet for a flexible circuit board according to any one of claims 1 to 5, wherein: the double faced adhesive tape unit (2) comprises a double faced adhesive tape layer (21) and a stripping layer, the stripping layer is positioned between the double faced adhesive tape layer (21) and the bearing layer (1), the viscosity of the stripping layer and the double faced adhesive tape layer (21) is greater than that of the stripping layer and the bearing layer (1), and the viscosity of the stripping layer and the double faced adhesive tape layer (21) is less than that of the double faced adhesive tape layer (21) and the flexible circuit board.
7. A double-sided adhesive full-size sheet stock for a flexible circuit board according to claim 6, wherein: the peeling layer is a double-sided anti-static blue film (22), the double-sided adhesive layer (21) is bonded on the release surface of the double-sided anti-static blue film (22), and the bearing layer (1) is bonded on the non-release surface of the double-sided anti-static blue film (22).
8. A double-sided adhesive full-size sheet stock for a flexible circuit board according to claim 1, wherein: the bearing layer (1) and the release layer (3) are both transparent films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020643766.2U CN212076918U (en) | 2020-04-25 | 2020-04-25 | Double-sided adhesive tape full-page sheet stock for flexible circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020643766.2U CN212076918U (en) | 2020-04-25 | 2020-04-25 | Double-sided adhesive tape full-page sheet stock for flexible circuit board |
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| Publication Number | Publication Date |
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| CN212076918U true CN212076918U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020643766.2U Active CN212076918U (en) | 2020-04-25 | 2020-04-25 | Double-sided adhesive tape full-page sheet stock for flexible circuit board |
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| CN (1) | CN212076918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023054677A1 (en) * | 2021-09-30 | 2023-04-06 | リンテック株式会社 | Curable adhesive sheet, and method for producing cured product |
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2020
- 2020-04-25 CN CN202020643766.2U patent/CN212076918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023054677A1 (en) * | 2021-09-30 | 2023-04-06 | リンテック株式会社 | Curable adhesive sheet, and method for producing cured product |
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