CN209643073U - A kind of corrosion-resistant circuit board - Google Patents
A kind of corrosion-resistant circuit board Download PDFInfo
- Publication number
- CN209643073U CN209643073U CN201821981981.2U CN201821981981U CN209643073U CN 209643073 U CN209643073 U CN 209643073U CN 201821981981 U CN201821981981 U CN 201821981981U CN 209643073 U CN209643073 U CN 209643073U
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- corrosion
- thermal vias
- thermal
- circuit board
- heat
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Abstract
The utility model relates to circuit board technology fields, especially a kind of corrosion-resistant circuit board, including substrate, the top surface of the substrate is disposed with anti-corrosion layer, anti oxidation layer and waterproof layer, the anti-corrosion layer is set as novolac resin layer, the bottom surface of the substrate is provided with heat-conducting plate, multiple spaced first thermal vias and the second thermal vias are offered on the heat-conducting plate, multiple first thermal vias and multiple second thermal vias are interlaced setting, multiple spaced heat sink strips are installed on the inner wall of first thermal vias, thermal column is inserted in each second thermal vias, it uses and is threadedly coupled between the thermal column and the second thermal vias.The utility model has preferable corrosion resistance, and also effectively increases the heat dissipation effect of circuit board, is convenient for actual use.
Description
Technical field
The utility model relates to circuit board technology field more particularly to a kind of corrosion-resistant circuit boards.
Background technique
The title of circuit board has: ceramic circuit board, aluminium oxide ceramics circuit board, aluminium nitride ceramics circuit board, wiring board,
Pcb board, aluminum substrate, high frequency plate, thick copper sheet, impedance plate, PCB, ultra-thin wiring board, ultrathin circuit board print (copper lithographic technique)
Circuit board etc..
Circuit board can be described as printed wiring board or printed circuit board, and FPC wiring board is also known as flexible circuit board flexible circuit board
It is that there is height reliability, excellent flexible printed circuit using polyimides or polyester film as one kind made of substrate.
Have the characteristics that Distribution density is high, light-weight, thickness is thin, bending is good) and Rigid Flex FPC and PCB birth and development,
This new product of Rigid Flex is expedited the emergence of.
However, traditional corrosion-resistant circuit board existing defects in use, the heat dissipation effect of circuit board is poor, inconvenient
In actual use.
Utility model content
Purpose of the utility model is to solve the heat dissipation of traditional corrosion-resistant circuit board existing in the prior art effects
The poor disadvantage of fruit, and a kind of corrosion-resistant circuit board proposed.
To achieve the goals above, the utility model adopts the technical scheme that
Design a kind of corrosion-resistant circuit board, including substrate, the top surface of the substrate is disposed with anti-corrosion layer, anti-oxidant
Layer and waterproof layer, the anti-corrosion layer are set as novolac resin layer；
The bottom surface of the substrate is provided with heat-conducting plate, and it is logical that multiple spaced first heat dissipations are offered on the heat-conducting plate
Hole and the second thermal vias, multiple first thermal vias and multiple second thermal vias are interlaced setting, and described first dissipates
Multiple spaced heat sink strips are installed on the inner wall of heat through-hole, are inserted with thermal column in each second thermal vias, institute
It states to use between thermal column and the second thermal vias and be threadedly coupled.
Preferably, the thermal column is set as copper alloy thermal column, and heat sink strip is set as copper alloy heat sink strip.
Preferably, the inside of the thermal column offers heat release hole along its axial direction.
The utility model proposes a kind of corrosion-resistant circuit board, beneficial effect is: the utility model has preferable resistance to
Corrosive nature, and heat-conducting plate and the first thermal vias being arranged on heat-conducting plate, the second thermal vias, thermal column can mention
The heat dissipation effect of high substrate is convenient for heat dissipation for circuit board, facilitates actual use.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of corrosion-resistant circuit board side view；
Fig. 2 be the utility model proposes a kind of corrosion-resistant circuit board top view.
In figure: substrate 1, heat-conducting plate 2, anti-corrosion layer 3, anti oxidation layer 4, waterproof layer 5, the first thermal vias 6, heat sink strip 7,
Second thermal vias 8, thermal column 9, heat release hole 10.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of corrosion-resistant circuit board, including substrate 1, the top surface of substrate 1 be disposed with anti-corrosion layer 3,
Anti oxidation layer 4 and waterproof layer 5, anti-corrosion layer 3 are set as novolac resin layer, and anti-corrosion layer 3 there is preferable protection to protect substrate 1
Effect is protected, the corrosion resistance of substrate 1 can be improved.
The bottom surface of substrate 1 is provided with heat-conducting plate 2, and multiple spaced first thermal vias, 6 Hes are offered on heat-conducting plate 2
Second thermal vias 8, multiple first thermal vias 6 and multiple second thermal vias 8 are interlaced setting, the first thermal vias
Multiple spaced heat sink strips 7 are installed on 6 inner wall, thermal column 9 is inserted in each second thermal vias 8, are radiated
It uses and is threadedly coupled between column 9 and the second thermal vias 8.Thermal column 9 is set as copper alloy thermal column, and heat sink strip 7 is set as
Copper alloy heat sink strip, copper alloy have preferable heat dissipation effect, are convenient for actual use.It is opened along its axial direction the inside of thermal column 9
Equipped with heat release hole 10, the heat dissipation effect of thermal column 9 itself is can be improved in heat release hole 10.
Heat-conducting plate 2 has preferable heat-conducting effect to substrate 1, convenient for the heat dissipation of substrate 1.Multiple first thermal vias 6 are just
In air from the internal circulation of heat-conducting plate 2, convenient for the heat dissipation of heat-conducting plate 2, and heat-conducting plate 2 and air is can be improved in heat sink strip 7
The heat transfer efficiency of heat-conducting plate 2 can be improved in contact area, convenient for the heat dissipation of substrate 1.Thermal column 9 can also increase heat-conducting plate 2 and air
Contact area, the heat transfer efficiency of heat-conducting plate 2 can be increased, convenient for the heat dissipation of substrate 1, and thermal column 9 is detachable, convenient for practical
Use.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of corrosion-resistant circuit board, including substrate (1), which is characterized in that the top surface of the substrate (1) is disposed with corrosion resistant
Erosion layer (3), anti oxidation layer (4) and waterproof layer (5), the anti-corrosion layer (3) are set as novolac resin layer；
The bottom surface of the substrate (1) is provided with heat-conducting plate (2), offers multiple spaced first on the heat-conducting plate (2)
Thermal vias (6) and the second thermal vias (8), multiple first thermal vias (6) and multiple second thermal vias (8) are mutually to hand over
Mistake is arranged, and multiple spaced heat sink strips (7), each second heat dissipation are equipped on the inner wall of first thermal vias (6)
It is inserted with thermal column (9) in through-hole (8), uses and be threadedly coupled between the thermal column (9) and the second thermal vias (8).
2. a kind of corrosion-resistant circuit board according to claim 1, which is characterized in that the thermal column (9) is set as copper conjunction
Golden thermal column, and heat sink strip (7) is set as copper alloy heat sink strip.
3. a kind of corrosion-resistant circuit board according to claim 1, which is characterized in that the inside of the thermal column (9) is along it
Axially offer heat release hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981981.2U CN209643073U (en) | 2018-11-29 | 2018-11-29 | A kind of corrosion-resistant circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981981.2U CN209643073U (en) | 2018-11-29 | 2018-11-29 | A kind of corrosion-resistant circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209643073U true CN209643073U (en) | 2019-11-15 |
Family
ID=68473389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821981981.2U Active CN209643073U (en) | 2018-11-29 | 2018-11-29 | A kind of corrosion-resistant circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209643073U (en) |
-
2018
- 2018-11-29 CN CN201821981981.2U patent/CN209643073U/en active Active
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