CN115449310B - Flat screen die-cutting diaphragm capable of reducing electromagnetic interference - Google Patents

Flat screen die-cutting diaphragm capable of reducing electromagnetic interference Download PDF

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Publication number
CN115449310B
CN115449310B CN202210650135.7A CN202210650135A CN115449310B CN 115449310 B CN115449310 B CN 115449310B CN 202210650135 A CN202210650135 A CN 202210650135A CN 115449310 B CN115449310 B CN 115449310B
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CN
China
Prior art keywords
sided adhesive
adhesive tape
double
film
protective film
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Active
Application number
CN202210650135.7A
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Chinese (zh)
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CN115449310A (en
Inventor
李志华
谢作志
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Suzhou WBRoymax Electronic Technology Co ltd
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Suzhou WBRoymax Electronic Technology Co ltd
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Priority to CN202210650135.7A priority Critical patent/CN115449310B/en
Publication of CN115449310A publication Critical patent/CN115449310A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29Laminated material
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0081Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0084Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single continuous metallic layer on an electrically insulating supporting structure, e.g. metal foil, film, plating coating, electro-deposition, vapour-deposition
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00Presence of inorganic and organic materials
    • C09J2400/10Presence of inorganic materials
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00Presence of inorganic and organic materials
    • C09J2400/10Presence of inorganic materials
    • C09J2400/16Metal
    • C09J2400/163Metal in the substrate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00Presence of polyester
    • C09J2467/006Presence of polyester in the substrate

Abstract

The application discloses a flat screen die-cutting film capable of reducing electromagnetic interference, which comprises a PET film, a first double-sided adhesive, a first protective film, a first red single-sided adhesive, a second protective film, a second red single-sided adhesive, a conductive double-sided adhesive tape, a second double-sided adhesive, a wave absorbing material, a copper foil single-sided adhesive, graphite, a third double-sided adhesive, a foam single-sided adhesive and a grid release film, wherein the PET film is positioned on the surface of the first double-sided adhesive, the first double-sided adhesive is positioned on the surface of the first protective film, the first protective film is positioned on the surface of the first red single-sided adhesive, and the PET film is positioned on the surface of the second protective film. The flat screen die-cut membrane capable of reducing electromagnetic interference provided by the application is provided with foam, copper foil, grid glue and wave absorbing material, can play a role in damping and absorbing energy, has heat dissipation and electric conduction, can be conveniently adhered and exhausted, can shield and reduce electromagnetic interference, has more comprehensive functions, has good protection performance and higher use strength.

Description

Flat screen die-cutting diaphragm capable of reducing electromagnetic interference
Technical Field
The application relates to the field of electronic equipment, in particular to a flat screen die-cutting membrane capable of reducing electromagnetic interference.
Background
The flat screen die-cutting diaphragm is a diaphragm for flat screen protection, electronic communication equipment is the field with the most extensive application of die-cutting of release films and protective films, the operation of the electronic equipment is increasingly intelligent, the machine body is thinner, the continuous innovation of the die-cutting process and the support of the ultra-fine processing technology are kept away, and along with the continuous development of technology, the requirements of people on the manufacturing process of the flat screen die-cutting diaphragm are higher.
The existing flat screen die-cutting membrane has certain defects when in use, firstly, when in use, the using function is single, the damping and heat dissipation effects are poor, the situation of electromagnetic interference can possibly occur, the use of people is not facilitated, the sealing waterproof performance of the membrane is poor when in use, the using performance is reduced, and certain adverse effects are brought to the using process of people.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the flat screen die-cut membrane capable of reducing electromagnetic interference, which can play a role in damping and absorbing energy, has the performances of heat dissipation and electric conduction, can be conveniently pasted and exhausted, can shield and reduce electromagnetic interference, has more comprehensive functions, has good protection performance and higher use strength, and can effectively solve the problems in the background technology.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the application is as follows: the utility model provides a but dull and stereotyped screen cross cutting diaphragm of electromagnetic interference reduction, includes PET membrane, first double faced adhesive tape, first protection film, first red single faced adhesive tape, second protection film, second red single faced adhesive tape, electrically conductive double faced adhesive tape, second double faced adhesive tape, wave absorbing material, copper foil single faced adhesive tape, graphite, third double faced adhesive tape, bubble cotton single faced adhesive tape and net release film, the PET membrane is located the surface of first double faced adhesive tape, first double faced adhesive tape is located the surface of first protection film, first protection film is located the surface of first red single faced adhesive tape, PET membrane, first double faced adhesive tape, first red single faced adhesive tape is located the surface of second protection film, the net release film is located the surface of bubble cotton single faced adhesive tape, third double faced adhesive tape is located the surface of bubble cotton single faced adhesive tape, graphite is located the surface of third double faced adhesive tape, electrically conductive double faced adhesive tape is located the surface of copper foil single faced adhesive tape, second double faced adhesive tape and wave absorbing material are located electrically conductive double faced adhesive tape.
As a preferable technical scheme of the application, the waterproof film is fixedly connected to the surface of the second protective film, the sealing edge is fixedly connected to the outer side of the second protective film, the positioning adhesive film is fixedly connected to the bottom surface of the sealing edge, and the insulating film is fixedly arranged on the surface of the sealing edge.
As a preferable technical scheme of the application, the second protective film comprises a polypropylene film, a fourth double sided adhesive tape and a fifth double sided adhesive tape, wherein the fourth double sided adhesive tape is positioned on the upper surface of the polypropylene film, and the fifth double sided adhesive tape is positioned on the lower surface of the polypropylene film.
As a preferable technical scheme of the application, the bottom surface of the PET film is connected with the surface of the first protective film through the first double-sided adhesive tape, and the bottom surface of the first protective film is connected with the surface of the second protective film through the first red single-sided adhesive tape.
As a preferable technical scheme of the application, the bottom surface position of the second protective film is positioned and bonded with the wave absorbing material through a second red single-sided adhesive tape, a conductive double-sided adhesive tape, a second double-sided adhesive tape, and the graphite is positioned and bonded through a copper foil single-sided adhesive tape and a third double-sided adhesive tape.
As a preferable technical scheme of the application, the surface of the grid release film is sealed and adhered to the bottom surface of the second protective film through foam single-sided adhesive and third double-sided adhesive, and the grid release film can be peeled off.
As a preferable technical scheme of the application, the second protective film is bonded with the waterproof film and the sealing edge in a sealing way, and the sealing edge is connected with the positioning adhesive film and the insulating film in a gluing way.
As a preferable technical scheme of the application, the polypropylene film, the fourth double-sided adhesive tape and the fifth double-sided adhesive tape are integrally formed in a lamination mode.
(III) beneficial effects
Compared with the prior art, the application provides the flat screen die-cutting diaphragm capable of reducing electromagnetic interference, which has the following beneficial effects: this can reduce electromagnetic interference's flat screen cross cutting diaphragm can play the effect of shock attenuation energy-absorbing through bubble cotton, copper foil, net glue and wave absorbing material, have heat dissipation and electrically conductive performance, can also conveniently paste and exhaust, the shielding reduces electromagnetic interference, the function is more comprehensive, have fine protection performance, the use intensity is higher, the second protection film includes the polypropylene film, fourth double faced adhesive tape, fifth double faced adhesive tape, and through the mode integrated into one piece of lamination between polypropylene film, fourth double faced adhesive tape, the fifth double faced adhesive tape, have fine enhancement protection effect, the outside of second protection film is fixed with the sealing edge, have fine insulation protection effect, waterproof film increases waterproof performance, whole flat screen cross cutting diaphragm simple structure, and convenient operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a flat panel screen die-cut film capable of reducing electromagnetic interference according to the present application.
Fig. 2 is a schematic structural view of a second protective film in a flat panel screen die-cut film sheet capable of reducing electromagnetic interference according to the present application.
Fig. 3 is a schematic structural view of a conductive double-sided tape in a flat panel screen die-cut film capable of reducing electromagnetic interference according to the present application.
Fig. 4 is a schematic structural view of a second protective film and sealing edges in a flat panel screen die-cut film sheet capable of reducing electromagnetic interference according to the present application.
Fig. 5 is a schematic structural view of a second protective film composition in a flat panel screen die-cut film sheet capable of reducing electromagnetic interference according to the present application.
In the figure: 1. a PET film; 2. a first double-sided adhesive; 3. a first protective film; 4. a first red single-sided adhesive; 5. a second protective film; 6. a second red single-sided adhesive; 7. conductive double-sided tape; 8. a second double-sided adhesive; 9. a wave absorbing material; 10. copper foil single-sided adhesive tape; 11. graphite; 12. a third double-sided adhesive; 13. foam single-sided adhesive tape; 14. grid release film; 15. sealing edges; 16. positioning an adhesive film; 17. an insulating film; 18. a waterproof membrane; 19. fourth double-sided adhesive tape; 20. a polypropylene film; 21. and fifth double-sided adhesive tape.
Detailed Description
The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings and detailed description, but it will be understood by those skilled in the art that the examples described below are some, but not all, examples of the present application, and are intended to be illustrative of the present application only and should not be construed as limiting the scope of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
as shown in fig. 1-5, a flat screen die-cut film capable of reducing electromagnetic interference comprises a PET film 1, a first double sided adhesive 2, a first protective film 3, a first red single sided adhesive 4, a second protective film 5, a second red single sided adhesive 6, a conductive double sided adhesive 7, a second double sided adhesive 8, a wave absorbing material 9, a copper foil single sided adhesive 10, graphite 11, a third double sided adhesive 12, a foam single sided adhesive 13 and a grid release film 14, wherein the PET film 1 is positioned on the surface of the first double sided adhesive 2, the first double sided adhesive 2 is positioned on the surface of the first protective film 3, the first protective film 3 is positioned on the surface of the first red single sided adhesive 4, the PET film 1, the first double sided adhesive 2, the first protective film 3 and the first red single sided adhesive 4 are positioned on the surface of the second protective film 5, the grid release film 14 is positioned on the outer surface of the foam single sided adhesive 13, the third double-sided adhesive tape 12 is positioned on the surface of the foam single-sided adhesive tape 13, the graphite 11 is positioned on the surface of the third double-sided adhesive tape 12, the copper foil single-sided adhesive tape 10 is positioned on the surface of the graphite 11, the conductive double-sided adhesive tape 7 is positioned on the surface of the copper foil single-sided adhesive tape 10, the second double-sided adhesive tape 8 and the wave absorbing material 9 are positioned on the conductive double-sided adhesive tape 7, the effects of absorbing shock and absorbing energy can be achieved through foam, copper foil, grid adhesive and the wave absorbing material, the heat dissipation and conductivity are achieved, the adhesion and the exhaust can be conveniently achieved, the electromagnetic interference is reduced through shielding, the function is more comprehensive, the protection performance is good, the use strength is higher, the adhesive force of foam is larger than 450gf/25mm, the foam is cut into a strip shape of 25mm, the strip shape is attached to glass, a 2kg pressing wheel is rolled on the surface of the foam twice at the speed of 10+/-0.5 mm/s, and after standing for 30min, 180 DEG peeling test is carried out, and the test speed is 300mm/min.
Further, the bottom surface of the PET film 1 is adhesively connected with the surface of the first protective film 3 through the first double sided tape 2, and the bottom surface of the first protective film 3 is adhesively connected with the surface of the second protective film 5 through the first red single sided tape 4.
Further, the bottom surface of the second protective film 5 is positioned and bonded with the wave absorbing material 9 through the second red single-sided adhesive tape 6, the conductive double-sided adhesive tape 7, the second double-sided adhesive tape 8, and the graphite 11 is positioned and bonded through the copper foil single-sided adhesive tape 10 and the third double-sided adhesive tape 12.
Further, the surface of the grid release film 14 is sealed and adhered to the bottom surface of the second protective film 5 through the foam single-sided adhesive tape 13 and the third double-sided adhesive tape 12, and the grid release film 14 can be peeled off.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 1-5, a flat screen die-cut film capable of reducing electromagnetic interference comprises a PET film 1, a first double sided tape 2, a first protective film 3, a first red single sided tape 4, a second protective film 5, a second red single sided tape 6, a conductive double sided tape 7, a second double sided tape 8, a wave absorbing material 9, a copper foil single sided tape 10, graphite 11, a third double sided tape 12, a foam single sided tape 13 and a grid release film 14, wherein the PET film 1 is positioned on the surface of the first double sided tape 2, the first double sided tape 2 is positioned on the surface of the first protective film 3, the first protective film 3 is positioned on the surface of the first red single sided tape 4, the PET film 1, the first double sided tape 2, the first protective film 3, the first red single sided tape 4 is positioned on the surface of the second protective film 5, the grid release film 14 is positioned on the outer surface of the foam single sided tape 13, the third double sided tape 12 is positioned on the surface of the foam single sided tape 13, the graphite 11 is positioned on the surface of the third double sided tape 12, the copper foil 10 is positioned on the surface of the copper foil single sided tape 10 and the conductive single sided tape 7 is positioned on the surface of the wave absorbing material 9.
Further, the waterproof film 18 is fixedly connected to the surface of the second protection film 5, the sealing edge 15 is fixedly connected to the outer side of the second protection film 5, the positioning adhesive film 16 is fixedly connected to the bottom surface of the sealing edge 15, and the insulating film 17 is fixedly arranged on the surface of the sealing edge 15.
Further, the second protective film 5 is sealed and adhered with the waterproof film 18 and the sealing edge 15, and the sealing edge 15 is in glued connection with the positioning adhesive film 16 and the insulating film 17.
Embodiment III:
on the basis of the first embodiment and the second embodiment, as shown in fig. 1-5, a flat screen die-cut film capable of reducing electromagnetic interference comprises a PET film 1, a first double sided tape 2, a first protective film 3, a first red single sided tape 4, a second protective film 5, a second red single sided tape 6, a conductive double sided tape 7, a second double sided tape 8, a wave absorbing material 9, a copper foil single sided tape 10, graphite 11, a third double sided tape 12, a foam single sided tape 13 and a grid release film 14, wherein the PET film 1 is positioned on the surface of the first double sided tape 2, the first double sided tape 2 is positioned on the surface of the first protective film 3, the first protective film 3 is positioned on the surface of the first red single sided tape 4, the PET film 1, the first double sided tape 2, the first protective film 3, the first red single sided tape 4 is positioned on the surface of the second protective film 5, the grid release film 14 is positioned on the outer surface of the foam single sided tape 13, the third double sided tape 12 is positioned on the surface of the foam single sided tape 13, the graphite 11 is positioned on the surface of the copper foil 12, the surface of the graphite 11 is positioned on the copper foil 10 of the double sided tape 10, and the conductive double sided tape 7 is positioned on the surface of the wave absorbing material 7.
Further, the second protective film 5 includes a polypropylene film 20, a fourth double sided adhesive 19 and a fifth double sided adhesive 21, the fourth double sided adhesive 19 is located on an upper surface of the polypropylene film 20, and the fifth double sided adhesive 21 is located on a lower surface of the polypropylene film 20.
Further, the polypropylene film 20, the fourth double-sided tape 19 and the fifth double-sided tape 21 are integrally formed by lamination.
Working principle: the application comprises a PET film 1, a first double-sided adhesive 2, a first protective film 3, a first red single-sided adhesive 4, a second protective film 5, a second red single-sided adhesive 6, a conductive double-sided adhesive tape 7, a second double-sided adhesive 8, a wave absorbing material 9, a copper foil single-sided adhesive 10, graphite 11, a third double-sided adhesive 12, a foam single-sided adhesive 13, a grid release film 14, a sealing edge 15, a positioning adhesive film 16, an insulating film 17, a waterproof film 18, a fourth double-sided adhesive 19, a polypropylene film 20 and a fifth double-sided adhesive 21, wherein when the adhesive is used, the second protective film 5 comprises the fourth double-sided adhesive 19, the polypropylene film 20 and the fifth double-sided adhesive 21, the fourth double-sided adhesive 19, the polypropylene film 20 and the fifth double-sided adhesive 21 are integrally formed in a lamination mode, the sealing edge 15 is fixed on the outer side of the second protective film 5, the sealing edge has a good insulation protective effect, the waterproof performance is increased, the functions of foam, the grid adhesive and the wave absorbing material can absorb energy through the foam, the heat dissipation performance and the conductive performance can be conveniently peeled off from the surface of the foam, the adhesive tape can be more conveniently tested at a speed of more than 10 mm/25 mm after the adhesive tape is more than 300mm, the adhesive speed of the adhesive tape is more than 10 mm, the adhesive tape can be more fully tested, the adhesive tape can be more than the adhesive tape can be more rapidly and can be peeled off at a speed of 300mm after the adhesive tape is more than 10 mm after the adhesive tape is more than 20 mm, and can be tested by the adhesive tape is more has a speed is more than 20 mm, and can be more can be tested.
It should be noted that in this document, relational terms such as first and second (first and second), and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing has shown and described the basic principles and main features of the present application and the advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims.

Claims (4)

1. The utility model provides a but reduce electromagnetic interference's flat panel screen cross cutting diaphragm, includes PET membrane (1), first double faced adhesive tape (2), first protection film (3), first red single faced adhesive tape (4), second protection film (5), second red single faced adhesive tape (6), electrically conductive double faced adhesive tape (7), second double faced adhesive tape (8), wave absorbing material (9), copper foil single faced adhesive tape (10), graphite (11), third double faced adhesive tape (12), bubble cotton single faced adhesive tape (13) and net are from membrane (14), its characterized in that: the PET film (1) is positioned on the surface of the first double-sided adhesive tape (2), the first double-sided adhesive tape (2) is positioned on the surface of the first protective film (3), the first protective film (3) is positioned on the surface of the first red single-sided adhesive tape (4), the PET film (1), the first double-sided adhesive tape (2), the first protective film (3) and the first red single-sided adhesive tape (4) are positioned on the surface of the second protective film (5), the grid release film (14) is positioned on the outer surface of the foam single-sided adhesive tape (13), the third double-sided adhesive tape (12) is positioned on the surface of the foam single-sided adhesive tape (13), the graphite (11) is positioned on the surface of the third double-sided adhesive tape (12), the copper foil single-sided adhesive tape (10) is positioned on the surface of the graphite (11), and the conductive double-sided adhesive tape (7) is positioned on the surface of the copper foil single-sided adhesive tape (10) and the wave absorbing material (9);
the waterproof film (18) is fixedly connected to the surface position of the second protective film (5), the sealing edge (15) is fixedly connected to the outer side of the second protective film (5), the positioning adhesive film (16) is fixedly connected to the bottom surface of the sealing edge (15), and the insulating film (17) is fixedly arranged on the surface of the sealing edge (15);
the second protective film (5) is in sealing adhesion with the waterproof film (18) and the sealing edge (15), and the sealing edge (15) is in gluing connection with the positioning adhesive film (16) and the insulating film (17);
the second protective film (5) comprises a polypropylene film (20), a fourth double-sided adhesive tape (19) and a fifth double-sided adhesive tape (21), wherein the fourth double-sided adhesive tape (19) is positioned on the upper surface of the polypropylene film (20), and the fifth double-sided adhesive tape (21) is positioned on the lower surface of the polypropylene film (20);
the polypropylene film (20), the fourth double-sided adhesive (19) and the fifth double-sided adhesive (21) are integrally formed in a lamination mode.
2. The flat panel die cut film for reducing electromagnetic interference of claim 1, wherein: the PET film is characterized in that the bottom surface of the PET film (1) is connected with the surface of the first protective film (3) through the first double-sided adhesive tape (2), and the bottom surface of the first protective film (3) is connected with the surface of the second protective film (5) through the first red single-sided adhesive tape (4).
3. The flat panel die cut film for reducing electromagnetic interference of claim 2, wherein: the bottom surface position of the second protective film (5) is positioned and bonded through a second red single-sided adhesive tape (6), a conductive double-sided adhesive tape (7), a second double-sided adhesive tape (8) and a wave absorbing material (9), and the graphite (11) is positioned and bonded through a copper foil single-sided adhesive tape (10) and a third double-sided adhesive tape (12).
4. A flat panel die cut film for reducing electromagnetic interference as defined in claim 3, wherein: the surface of the grid release film (14) is sealed and adhered to the bottom surface of the second protective film (5) through foam single-sided adhesive (13) and third double-sided adhesive (12), and the grid release film (14) can be peeled off.
CN202210650135.7A 2022-06-10 2022-06-10 Flat screen die-cutting diaphragm capable of reducing electromagnetic interference Active CN115449310B (en)

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Application Number Priority Date Filing Date Title
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CN115449310B true CN115449310B (en) 2023-12-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205439397U (en) * 2016-03-16 2016-08-10 李忠诚 Ultra -thin heat dissipation, electromagnetic shield and inhale ripples combined material
CN210840545U (en) * 2019-11-11 2020-06-23 苏州驭奇材料科技有限公司 Wave-absorbing shielding film with heat dissipation and conduction functions
CN111808545A (en) * 2020-07-24 2020-10-23 广东弘擎电子材料科技有限公司 Heat dissipation type electromagnetic shielding wave-absorbing adhesive tape
CN212184008U (en) * 2020-06-18 2020-12-18 东莞市溢庆电子应用材料有限公司 Insulation wave-absorbing structure for electronic product

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205439397U (en) * 2016-03-16 2016-08-10 李忠诚 Ultra -thin heat dissipation, electromagnetic shield and inhale ripples combined material
CN210840545U (en) * 2019-11-11 2020-06-23 苏州驭奇材料科技有限公司 Wave-absorbing shielding film with heat dissipation and conduction functions
CN212184008U (en) * 2020-06-18 2020-12-18 东莞市溢庆电子应用材料有限公司 Insulation wave-absorbing structure for electronic product
CN111808545A (en) * 2020-07-24 2020-10-23 广东弘擎电子材料科技有限公司 Heat dissipation type electromagnetic shielding wave-absorbing adhesive tape

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