CN209731687U - A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate - Google Patents
A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate Download PDFInfo
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- CN209731687U CN209731687U CN201822240385.5U CN201822240385U CN209731687U CN 209731687 U CN209731687 U CN 209731687U CN 201822240385 U CN201822240385 U CN 201822240385U CN 209731687 U CN209731687 U CN 209731687U
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- heat sink
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- retardant layer
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Abstract
The utility model provides a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate, it is related to technical field of copper clad laminate, including copper plate bodies, copper plate bodies include flame-retardant layer, substrate, the copper foil for being located in the middle heat sink and successively arranging outward, and two substrates are made of carbon fibre；The both ends of copper plate bodies along its length are mounted on capping, and two cover the both ends for being respectively coated by copper plate bodies, and heat dissipation board ends run through corresponding capping and the both ends of the surface of heat sink are flushed with closure sidewall；Heat sink is equipped with multiple vent passages along its length, the both ends that vent passages both ends extend through heat sink are communicated with the outside, multiple heat dissipation channels are equipped at the top of heat sink, each heat dissipation channel extends to inside substrate along the direction far from heat sink, each to cover the side wall far from copper plate bodies equipped with multiple radiating fins；The heat inside copper-clad plate can be discharged in the utility model good heat dissipation effect in time, to guarantee the normal use of copper-clad plate.
Description
Technical field
The utility model relates to technical field of copper clad laminate, more particularly to a kind of flame retardant type epoxy glass-fiber-fabric FR-4 covers
Copper sheet.
Background technique
Copper-clad plate is the basic material of electronics industry, be mainly used for fabricate printed circuit board, be widely used in television set,
The electronic products such as radio, computer, computer, mobile communication.And existing common copper-clad plate haves the shortcomings that heat dissipation effect is poor,
Since copper-clad plate is used as circuit board in use, circuit board can distribute certain heat, heat can be deposited in and cover after working long hours
Inside copper sheet, if be discharged not in time, high temperature easy to form causes circuit board to be burned, and even can cause fire when more serious,
Cause security risk.
Utility model content
In order to overcome the drawbacks of the prior art, the utility model provides a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate,
The heat inside copper-clad plate can be discharged in good heat dissipation effect in time, to guarantee the normal use of copper-clad plate.
For this purpose, the following technical solution is employed for the utility model:
The utility model provides a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate, including copper plate bodies, the copper sheet
Main body includes heat sink, the first flame-retardant layer, the second flame-retardant layer, first substrate, the second substrate, the first copper foil, the second copper foil, described
First flame-retardant layer and second flame-retardant layer are individually fixed at the top and bottom of the heat sink, and the first substrate is fixed on institute
It states at the top of the first flame-retardant layer, the second substrate is fixed on second flame-retardant layer bottom, and first copper foil is fixed on described
At the top of first substrate, second copper foil is fixed on the second substrate bottom, and the first substrate and the second substrate are equal
It is made of carbon fibre；The both ends of the copper plate bodies along its length are fixedly installed with capping, two capping difference
The both ends of the copper plate bodies are coated, the heat dissipation board ends run through the two of the corresponding capping and the heat sink
End face is flushed with the closure sidewall；The heat sink is equipped with multiple vent passages, the vent passages two along its length
The both ends that end extends through the heat sink are communicated with the outside, and multiple first heat dissipation channels, institute are equipped at the top of the heat sink
It states the first heat dissipation channel to extend to inside the first substrate along the direction far from the heat sink, the heat sink bottom is equipped with
Multiple second heat dissipation channels, second heat dissipation channel extend in the second substrate along the direction far from the heat sink
Portion, each side wall for covering the separate copper plate bodies are equipped with multiple radiating fins.
In the preferable technical solution of the utility model, first flame-retardant layer and second flame-retardant layer are by heterocyclic ring
Oxygen resin is made.
In the preferable technical solution of the utility model, each sidewall bottom for covering the separate copper plate bodies is equal
It is fixed with fixed plate, offers fixation hole in each fixed plate.
In the preferable technical solution of the utility model, at the top of first copper foil and second copper foil bottom is fixed
Equipped with corrosion-resistant coating.
In the preferable technical solution of the utility model, the first substrate is fixed by bonding sheet and first copper foil
Connection, the second substrate are fixedly connected by bonding sheet with second copper foil.
The utility model has the following beneficial effects:
A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate provided by the utility model, by the way that is arranged inside copper-clad plate
One flame-retardant layer, the second flame-retardant layer, first substrate, the second substrate, two of them flame-retardant layer is all by the heterocycle with excellent heat resistance
Epoxy resin is made, and two substrates are made of carbon fibre, and carbon fibre has high temperature resistant, resistance to ablation, thermal expansion coefficient
Small, when high temperature, is not easy to deform, and elastic module is larger, it is not easy to the advantages of fragmentation, to substantially increase the copper-clad plate
Anti-flammability reduces the probability that high temperature detonator circuit plate is burnt out, and improves copper-clad plate in the safety used；By in copper-clad plate
Inside setting heat sink, and is equipped with multiple radiating fins in closure skirt, increases the heat dissipation area of copper-clad plate, while
Vent passages are equipped among heat sink, and vent passages two sides are equipped with the heat dissipation channel for extending to flame-retardant layer, substrate, so that two
A flame-retardant layer, two substrates are divulged information by heat dissipation channel and external holding, and copper-clad plate internal heat is allowed to pass through heat sink
It is excreted with vent passages, avoids heat build-up in copper-clad plate, reduced the probability for causing fire, ensure that copper-clad plate energy
Enough normal uses.
Detailed description of the invention
Fig. 1 is a kind of structure for flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate that specific embodiment of the present invention provides
Schematic diagram；
Fig. 2 is a kind of ventilation for flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate that specific embodiment of the present invention provides
Distribution map of the channel on heat sink side.
In figure:
100, heat sink；110, vent passages；111, the first heat dissipation channel；112, the second heat dissipation channel；210, the first resistance
Fire layer；220, the second flame-retardant layer；310, first substrate；320, the second substrate；410, the first copper foil；420, the second copper foil；500,
Capping；600, radiating fin；700, fixed plate；710, fixation hole；800, corrosion-resistant coating.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art and technical solution are briefly described, it should be apparent that, it is described below
Attached drawing be only some embodiments of the utility model, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
It further illustrates the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments, needs
Bright, the attached drawing in specific embodiment is only schematic diagram, is not defined to size, and actual size is with material object
It is quasi-.
As shown in FIG. 1 to FIG. 2, including copper plate bodies, the copper plate bodies include heat sink 100, the first flame-retardant layer 210,
Second flame-retardant layer 220, first substrate 310, the second substrate 320, the first copper foil 410, the second copper foil 420, first flame-retardant layer
210 and second flame-retardant layer 220 be individually fixed in 100 top and bottom of the heat sink, the first substrate 310 is fixed
In 210 top of the first flame-retardant layer, the second substrate 320 is fixed on 220 bottom of the second flame-retardant layer, first bronze medal
Foil 410 is fixed on 310 top of first substrate, and second copper foil 420 is fixed on 320 bottom of the second substrate, described
First substrate 310 and the second substrate 320 are made of carbon fibre；The both ends of the copper plate bodies along its length are solid
Dingan County is respectively coated by the both ends of the copper plate bodies equipped with capping 500, two cappings 500, and 100 both ends of heat sink are equal
Both ends of the surface through the corresponding capping 500 and the heat sink 100 are flushed with 500 side walls of the capping, described to dissipate
100 both ends of hot plate run through it is corresponding it is described capping 500 and the heat sink 100 both ends of the surface with 500 sides of the capping
Wall flushes；The heat sink 100 is equipped with multiple vent passages 110 along its length, and 110 both ends of vent passages extend through
The both ends of the heat sink 100 are communicated with the outside, and multiple first heat dissipation channels 111, institute are equipped at the top of the heat sink 100
It states the first heat dissipation channel 111 to extend to inside the first substrate 310 along the direction far from the heat sink 100, the heat dissipation
100 bottom of plate is equipped with multiple second heat dissipation channels 112, and second heat dissipation channel 112 is along the direction far from the heat sink 100
It extends to inside the second substrate 320,500 side walls far from the copper plate bodies of each capping are equipped with multiple heat dissipations
Fin 600.
Further, first flame-retardant layer 210 and second flame-retardant layer 220 are made of heterocyclic epoxy resin, by
Contain highly polar heterocycle structure of sacrificing one's life in heterocyclic epoxy resin, so the solidfied material heat resistance of heterocyclic epoxy resin is fine, weatherability
It is excellent with high-temperature dielectric, especially arc resistance and proof tracking, it is well suited for the heat for being resistant to copper-clad plate generation,
Reduce the probability that fire occurs for copper-clad plate.
Further, 500 sidewall bottoms far from the copper plate bodies of each capping are fixed with fixed plate
700, fixation hole 710 is offered in each fixed plate 700, and the fixation hole 710 is passed through by bolt or screw, it can
Entire copper-clad plate to be fixedly installed on connector, convenient for the installation and removal of copper-clad plate.
Further, 410 top of the first copper foil and 420 bottom of the second copper foil are fixed with corrosion-resistant coating
800, the setting of the corrosion-resistant coating 800 can prevent copper-clad plate from being corroded by other chemistry with agent, to extend copper-clad plate
Service life.
Further, the first substrate 310 is fixedly connected by bonding sheet with first copper foil 410, the bonding
Piece can reinforce the bonding strength between the first substrate 310 and first copper foil 410, avoid first copper foil
It is got loose between 410 and the first substrate 310, the second substrate 320 passes through bonding sheet and second copper foil 420
It is fixedly connected, the bonding sheet can reinforce the bonding strength between the second substrate 320 and second copper foil 420, keep away
Exempt to get loose between second copper foil 420 and the second substrate 320, to guarantee the normal use of copper-clad plate.
A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate provided by the utility model, by the way that is arranged inside copper-clad plate
One flame-retardant layer 210, the second flame-retardant layer 220, first substrate 310, the second substrate 320, two of them flame-retardant layer is all by with excellent
The heterocyclic epoxy resin of heat resistance is made, and two substrates are made of carbon fibre, and carbon fibre has high temperature resistant, resistance to burning
Erosion, thermal expansion coefficient is small, and when high temperature is not easy to deform, and elastic module is larger, it is not easy to the advantages of fragmentation, to substantially increase
The anti-flammability of the copper-clad plate reduces the probability that high temperature detonator circuit plate is burnt out, and improves copper-clad plate in the safety used；
Multiple radiating fins 600 are installed by the way that heat sink 100 is arranged inside copper-clad plate, and in 500 outside of capping, increases and covers
The heat dissipation area of copper sheet, while vent passages 110 are equipped among heat sink 100, and 110 two sides of vent passages are equipped with extension
Make to flame-retardant layer, the heat dissipation channel of substrate so that two flame-retardant layers, two substrates are divulged information by heat dissipation channel and external holding
Obtaining copper-clad plate internal heat can be excreted by heat sink 100 and vent passages 110, avoided heat build-up and covered copper
In plate, the probability for causing fire is reduced, ensure that copper-clad plate being capable of normal use.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
1. a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate, it is characterised in that:
Including copper plate bodies, the copper plate bodies include heat sink (100), the first flame-retardant layer (210), the second flame-retardant layer (220),
First substrate (310), the second substrate (320), the first copper foil (410), the second copper foil (420), first flame-retardant layer (210) and
Second flame-retardant layer (220) is individually fixed at the top and bottom of the heat sink (100), and the first substrate (310) is fixed
At the top of first flame-retardant layer (210), the second substrate (320) is fixed on the second flame-retardant layer (220) bottom, described
First copper foil (410) is fixed at the top of the first substrate (310), and second copper foil (420) is fixed on the second substrate
(320) bottom, the first substrate (310) and the second substrate (320) are made of carbon fibre；
The both ends of the copper plate bodies along its length are fixedly installed with capping (500), and two cappings (500) are wrapped respectively
Cover the both ends of the copper plate bodies, heat sink (100) both ends are run through the corresponding capping (500) and described dissipated
The both ends of the surface of hot plate (100) are flushed with described capping (500) side wall；The heat sink (100) is equipped with multiple along its length
Vent passages (110), the both ends that vent passages (110) both ends extend through the heat sink (100) are communicated with the outside,
Multiple first heat dissipation channels (111) are equipped at the top of the heat sink (100), first heat dissipation channel (111) is along far from described
The direction of heat sink (100) extends to the first substrate (310) inside, and heat sink (100) bottom is equipped with multiple second
Heat dissipation channel (112), second heat dissipation channel (112) extend to described second along the direction far from the heat sink (100)
Substrate (320) is internal, and each capping (500) is equipped with multiple radiating fins (600) far from the side wall of the copper plate bodies.
2. a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate according to claim 1, it is characterised in that:
First flame-retardant layer (210) and second flame-retardant layer (220) are made of heterocyclic epoxy resin.
3. a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate according to claim 1, it is characterised in that:
Each capping (500) is fixed with fixed plate (700) far from the sidewall bottom of the copper plate bodies, each described
Fixation hole (710) are offered in fixed plate (700).
4. a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate according to claim 1, it is characterised in that:
At the top of first copper foil (410) and the second copper foil (420) bottom is fixed with corrosion-resistant coating (800).
5. a kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate according to claim 1, it is characterised in that:
The first substrate (310) is fixedly connected by bonding sheet with first copper foil (410), the second substrate (320)
It is fixedly connected by bonding sheet with second copper foil (420).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822240385.5U CN209731687U (en) | 2018-12-28 | 2018-12-28 | A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822240385.5U CN209731687U (en) | 2018-12-28 | 2018-12-28 | A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731687U true CN209731687U (en) | 2019-12-03 |
Family
ID=68678444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822240385.5U Active CN209731687U (en) | 2018-12-28 | 2018-12-28 | A kind of flame retardant type epoxy glass-fiber-fabric FR-4 copper-clad plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731687U (en) |
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2018
- 2018-12-28 CN CN201822240385.5U patent/CN209731687U/en active Active
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