Heavy Copper PCB

The heavy copper PCB boards can simply be manufactured by two main processes plating and etching in the combine. As compared to other PCBs, the circuit is made of a thin layer of the Copper foil sheet.

The plates of copper are laminated uniformly with FR4 or other epoxy-based substance.
The average weight of the thick copper PCB weight could be 4oz (140μm), and this ratio is better as compared to another type of PCBs who have copper in common. Let’s check out the benefits of it.

Benefits of Heavy copper PCB Fabrication

Here are some of the advantages of heavy copper PCB, let’s follow them:
1. Favorable circumstances Of Heavy Copper PCB
2. Plating innovation in overwhelming copper permitted a mix of plating and carving which causes in straight sidewalls and immaterial undercut.
3. The substantial copper plating creates high-current circuits and control circuits that watches the profoundly thick and straightforward whiskers’ structure.
4. This empowers the board fabricator to build the measure of copper thickness in plated gaps and by means of sidewalls.
5. The blend of substantial copper results on a solitary board called PowerLink.
6. The substantial copper in the PCB likewise encourages in associating with the standard circuits.
7. This lessens layer tally, low impedance control conveyance, littler impressions, and potential cost investment funds.
8. For development purposes, it expands the continuance to warm strains.
9. It has expanded the current conveying limit.
10. Overwhelming copper plating brings higher current through the board and moves the warmth to the outside heat sink

Application of thick copper board PCB

Thick copper PCBs are used for a variety of purposes, for example, in planar transformers, thermal propagation, high power dispersion, control converters, and so on. In PC, automotive, military and mechanical control, interest in the overwhelming copper-plated sheet is growing. A large number of copper printed circuit boards are also used:
1. Power supply, control converter
2. Appropriation of authority
3. Welding tools or equipment
4. Automobile industry
5. Solar board producers and so on
Contingent on the plan necessity, substantial copper PCBs are more costly to deliver than standard PCBs. Henceforth, the more confused the structure, the more it will cost to deliver an overwhelming copper PCB. So, in simple words, the cost of the thick copper PCB for your project will increase if the project is complex. Moreover, there are several other applications of thick copper PCB for both industrial and domestic usage.

Common Issues of Heavy Copper PCB Manufacturing

If we talk about the issues of heavy copper PCB, it also has a few issues that can be resolved. The common issues are as follows:
1. Starved Thermals
Starved thermals happen when the pad is not appropriately associated with the related copper plane because of thermal relief. Frequently, the dividing between vias will pass an essential structure rule check, yet the associated thermal flow will be delayed and the affected vias will be improperly confined from their appointed copper pours. This issue is most generally observed when numerous vias are set close to each other.
A lot of poor PCBs have loose connections and they are not long-lasting. This can cause a lot of trouble and you should always use a good PCB with proper connections.
2. Acid Traps
It is possible when two traces are joined at a profoundly intense edge it is conceivable that the carving arrangement used to expel copper from the clear board will get “caught” at these intersections. This snare is ordinarily alluded to as a corrosive snare. Corrosive snares can make follows become disengaged from their doled out nets and leave these follows open-circuited. The issue of Acid snares has been diminished as of late by fabricators changing to the utilization of photograph enacted carving arrangements. In this way, while it is as yet a smart thought to ensure that your follows don’t meet intense points; the issue is to lesser extent stress than it had been before.
Acid traps can become a headache if you’re in a rush. The best way to avoid the acid traps is to purchase a PCB that has no traces joined at the acute angle.
3. Silvers
In the event that extremely little bits of a copper pour is just associated with bigger bits of a similar copper pour through a limited follow, it is feasible for them to sever during manufacture, “coast” to different pieces of the board that might cause unintended shorts. So, the issues introduced by the silvers that have been diminished as of late by fabricators changing to the utilization of photographs initiated scratching arrangements. So while silvers are still to be maintained a strategic distance from structures, they are not as prevalent of an issue as previously.
If you’re facing the issue mentioned above then you can look for a PCB that can help you maintain the distance from the structures. A good PCB has proper making and it becomes easier to maintain the required distance.
4. Poor Annular Ring
Vias are made by pads on either side of a board and plating the dividers of these gaps to interface the different sides of the board. If the size of the pad termed out in the structure is excessively little, by means of May flop because of the drill gap taking up excessively enormous of a part of the cushions. Least annular ring size is normally part of the procedure of DRC. This issue is referenced here as a result of the normal event of missed drill that might hit in prototyping sheets.
A good heavy copper PCB has annular rings that leave no extra gaps between the pads. So, if you choose a good heavy copper PCB manufacturer then it can save you from a lot of trouble.
5. Gap In Pads
It is possible that PCB can be designed with the help of Pads. Though, pads can create issues when the opportunity arrives for the board to be amassed. Through will draw patch away from the pad and cause the part connected with the pad to be inappropriately mounted. MOKO Technology makes heavy copper PCBs that are properly mounted and don’t draw patch away.
Some other issues are:
● Fusing Issues
● Chemical (Fluid) Leakage
● Component Wall Breakage
● Faulted Component Placement
● Burned Mechanisms

Thick Copper PCB Specifications
Layer1-50 layers
MaterialFR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free, FR-1,FR-2,Aluminum
Board Thickness0.2mm-7mm
Max.Finished Board Size500mm*500mm
Min.Drilled Hole Size0.25mm
Min.Line Width0.075mm(3mil)
Min.Line Spacing0.075mm(3mil)
Surface Finish/TreatmentHALS/HALS lead-free, Chemical tin, Chemical Gold, Immersion gold Immersion
Copper Thickness0.5-4.0oz
Solder Mask ColorGreen / Black / White / Red / Blue / Yellow
Hole TolerancePTH:±0.075, NTPH:±0.05

At MOKO Technology you can get an instant quotation for heavy copper PCB service for your home or office. So, you don’t have to waste your time looking for the services providers because you can easily reach us for any kind of estimation.

MOKO Technology has specialist people that deliver the best services for the best prices. Moreover, our team will also provide you with the estimated costs of your project. These estimations are based on several factors and you can compare our prices with other providers to see the difference.

Scroll to Top