We own 17 years experience of copper pcb manfuacturing, we can supply any types copper pcb for you, no matter standard copper pcb or heavy copper, we always can make them in high quality on time delivery for you.
what is heavy copper pcb?
If you are planning to design a product that includes heavy copper components, then you must know what is heavy copper PCB. This type of circuit board has many advantages. This type of PCB can accommodate varying copper thicknesses within the same board, reducing the overall size of the product. It also means you don’t have to add additional PCBs or connectors. Moreover, it can withstand high currents, and this feature makes it more suitable for high-power distribution and planer transformers.
Moreover, heavy copper circuit plates are often made with a significant plating thickness, so it’s important to adjust the pad sizes and trace separations accordingly. The advantages of this kind of PCB are reduced layer counts, reduced impedance power distribution, and potential cost savings. Also, this type of PCB allows you to integrate high-current and control circuits in one board. But if you don’t know what to look for in a PCB, here are some points to consider.
The weight of heavy copper is also an important factor for PCB thickness. In addition, it makes it harder to etch the boards. The thickness of copper varies depending on the manufacturer and processes, and the ratio between copper and open spaces. The final thickness of the board is 0.25mm thicker than the initial thickness. Heavy copper PCB is a challenging process to manufacture, but it can be fabricated to the desired quality. The finished copper weight is generally 2 ounces and the thickness is 75um.
our copper pcb capability:
- Copper thickness per square foot is more than 2oz.
- maximum board size:457mm x 610mm
- minimum board size: 6mm x 6mm .
- surface finishing: OSP., HASL and Immersion Gold, HASL lead free,Hard Gold,Immersion Silver,Enepig
- Max copper weight: 15 ounces ( for the exterior layer ).
- PCB thickness: 0.6mm to 6mm
- silkscreen can be in the color of either black, yellow or white.
- Glack, blue, red, purple, Yellow or Green solder masks are recommended.
- The final thickness: 0.020 to 0.275 inches.
- Material: FR-4 Standard Tg 140°C, FR4-High Tg 170°C
- Min. Hole Size : 10mil
- Max Outer Layer Copper Weight (Finished) : 15oz
- Max Inner Layer Copper Weight: 12oz
- Via Process :Vias not covered, Tenting Vias, Plugged Vias
- Testing : A.O.I. testing, Fly Probe Testing (Free)
copper pcb application:
Heavy copper pcb is best option for making high power current energy device, such as electric power devices,Control Systems, Radar Systems power,Monitoring Systems, Battery Charger and power supplies systems and so on. There are some heavy copper pcb making equipment.
how to select a copper pcb manufacturer?
A good copper pcb manufacturer should be :
- with good experience of copper manufacturing
- Making out Quality Product
- Price reasonable
- Delivery on time.
if you work with us, what you would benefit:
- Save cost, If you come to work with us, you can save cost. Become we are original copper pcb and pcba manufacturer, our price are more competitive than those broker.
And our price is better than most other copper pcb manufacturer.Why?
Cost more efficient: become we have experience in manufacturing copper pcb for over 17 yeas, and our worker are all working in pcb manufacturing industry 8 years at least. Some of our engineer even work in pcb fabrication industry over 30 years. So they have good experience to well handle all type of pcb manufacturing process, so our production defective rate less than 1/10000, that make our cost more efficient.
Supply chain, For over 17 years service in pcb manufacturing industry, we have built a full completely and stable supply chain of pcb material and electronic components. Our vendor give a good discount for us.
High technology, we use high technology in our pcb fabrication to improve production efficiency.
All above advantages, make our price are better than our competitor.
2.Save you time, We can provide one-stop service. Printed circuit board design/clone service, components sourcing, pcb fabricating, full turnkey pcb assembly and test. work with us your work, become easy.
3. No MOQ limited-even your is low small volume scale quantity order, we also can give you best service.
4. Strong Capability-pcb layers from 1 layer to 54 layers we all can make for you.
5. Strong engineer team-60 engineers and 240 workers in pcb manufacturing industry work over 17 years any problem we can handle perfect for you, sure your pcb board quality.
6. On time delivery-We can guarantee the lead time, if delay your order delivery, we accept penalty.
7. Quality warranty-As a top rank pcb pcba manufacturer, we take quality seriously, all pcb board by AOI, X-Ray, ICT, FCT etc. Only pass test can be shipped out to you.
8. Quick quote back-if you contact us. we have 4 quation teams to work in turn 7/24h, any time you contact us, we can quote back to you immediately.
copper pcb advantages:
The main advantages of copper PCBs are their ENVIRONMENTAL FRIENDLINESS, THERMAL CONDUCTIVITY, and MECHANICAL STRENGTH. Let’s take a look at some of them:
1. thermal conductivity
The thermal conductivity of copper PCBs varies depending on the orientation of the PCB board. It can range anywhere from 390 W/mK to 0.025 W/mK, which is lower than FR-4. This is because copper’s thermal conductivity is greater in the plane than through its surface. Therefore, thermal conduction is not very efficient for heat flow without a copper path.
Copper PCBs are more expensive than their aluminum counterparts but their thermal conductivity is much higher. In fact, copper PCBs have twice the thermal conductivity of aluminum. Because of this, they are generally used in high-frequency circuit designs. To achieve such high thermal conductivity, copper PCBs must be made of a thick copper foil. The thicker the copper foil, the better. Copper PCBs also have a higher thermal diffusivity.
The effective thermal conductivity is the preferred measurement for PCBs because it is easier to compute. But, it is not ideal as PCBs are rarely homogenous. The copper plane, pads, and vias may vary a lot from one another. Hence, it is necessary to profile each layer of the PCB. Pixelated analysis of the surface of the PCB helps in making accurate predictions. There are several ways to measure the thermal conductivity of copper PCBs.
2. environmentally friendly
When it comes to recycling PCBs, the question often arises: How can one make the process environmentally friendly? The process is a complex one involving leaching, a chemical process that dissolves the highest percentage of metal. Several researchers and industries have studied how to leach precious metals from PCBs, using various chemicals known as lixiviants. These chemicals can be either halogens, cyanide, or thiourea.
The waste solution obtained after the recycling process contains large amounts of catalyst, EG, and oligomers and monomers. After the recycling process, the residual solution contains a small amount of the original material, which is considered environmentally friendly. However, this waste solution has some problems. In addition to containing a high proportion of catalyst, it also contains large amounts of monomers and oligomers. Thus, it is not entirely sustainable.
Several factors affect the durability of copper-clad PCBs. The first factor is the amount of copper in the circuit boards. The higher the percentage of copper in the circuit boards, the more durable they are. Copper-clad PCBs are ideal for high-power applications such as transformers and power converters. However, higher-voltage applications require special precautions, such as clearances between exposed contacts and copper. Copper-clad PCBs are therefore more expensive than other materials.
The other factor is the thickness of the boards. Heavy-copper PCBs need to be manufactured at a higher temperature. This helps ensure that the pads remain attached to each other. It’s also best to laminate the boards to avoid oxidation and other damages. However, there are certain PCB designs that do not require copper core. Nevertheless, the durability of copper-clad PCBs is important in certain applications.
4. mechanical strength
Metals like copper, which are commonly used for the construction of PCBs, have a unique set of properties. When used in high-frequency devices, they generate a great deal of heat and cannot be cooled properly by a fan. Because of this, heavy copper PCB boards have a higher thermal conductivity, which can help reduce the effects of external heat. Heavy copper PCB is also often combined with copper vias, which reduces the load-sharing difficulties of the board. Additionally, heavy copper PCB is designed with multiple layers, which increases the mechanical strength.
Different copper types have different strengths and weaknesses. For example, ED copper has higher mechanical strength than RA copper, while RA copper is a more flexible and thermally-cycling material. Copper can also be used in PCBs if the thickness is variable. Copper can be either electrodeposited or rolled-annealed. In addition, the thickness of a PCB affects its mechanical strength.
feature of copper pcb
In this article, we will look at the various benefits of copper on PCB. These benefits include low cost, EMI shielding, and Adaptability. If you’re a product designer, you may be interested in learning more about copper for your next PCB project. Listed below are the benefits of copper on PCB. And don’t forget to download our free eBook today! It will give you the background information you need to decide if copper is right for your next project.
A PCB with a copper base has twice as much thermal conductivity as one with an aluminum base. This provides better heat conduction and dissipation, as well as improved solderability. This material is also perfect for ground planes, thermal vias, and copper coins. These factors contribute to its excellent thermal conductivity. Here are some tips for using copper in your PCBs. Continue reading for more information.
Copper PCB is the most thermally-conductive material available. Copper, in particular, is highly resistant to oxidation, which makes it ideal for electronics. Copper is a great thermal conductor. It can withstand temperatures up to 500°F, making it an excellent choice for high-performance devices. Copper PCBs are also highly durable. They are made of a thick copper layer that can support heavy loads.
Heat conductivity is an important consideration in circuit boards. PCBs are not the best heat conductors, but copper has a thermal conductivity of 355W/mK, whereas FR-4 has a thermal conductivity of only 0.25W/mK. Thermal vias help move the heat away from critical components. Copper is also known to be highly resistant to electricity, which makes it a great material for circuit boards.
Thermal interface materials are used to connect a PCB to a heat sink. This material improves contact between the two components and helps transfer heat to the heat sink. Poor contact or air gaps lead to inefficient heat transfer. A good thermal interface material is a key part of heat transfer efficiency. Some PCB materials were made with a phase change material in the past, such as FR-4. These materials have excellent thermal conductivity, but they require a large clamping downforce to function properly.
To achieve this, copper based PCBs are etched using a fine pattern. These PCBs are then processed into a convex platform. As a result, the copper has a great effect on heat dissipation and grounding. Copper based PCBs are great for a variety of applications, and their flexibility makes them an excellent choice for heat transfer in electronics.
When it comes to PCBs, copper is a popular choice. Engineers like copper for its thermal resistance and electrical conductivity. It is also available in copper-clad and copper-foil form.
Copper is a massive conductor, and it can be difficult to accurately weigh. Copper has to be balanced in the right way to minimize errors. In PCB design, heavy copper is used because it provides more flexibility. Manufacturers can diversify their PCB looks by choosing copper of different weights. Heavy copper is more expensive than thin copper, but it is worth the price. Copper is the foundation of your PCB. With correct weighing, the board can be produced with little error.
The layout of circuitry plays a major role in PCB adaptability. Signals should never be routed at a sharp angle. recommends using the largest radius possible. If you use I-beaming, however, keep in mind that this may reduce the flexibility of your circuit and add stress to copper. Moreover, the bend area is especially sensitive to changes in copper width, so you should avoid placing holes in this region.