When you are using your laptop or other everyday device for that matter, it is easy to take for granted what the inside of the machine is made out of. As they say, if it is out of sight then it is out of mind. The inside mechanisms sure are (out of sight). The usual systems inside machines are printed circuit boards or PCBs.
In this article, we are going to walk you through the different aspects of PCB to guide you in your own adventure of PCB assembly with our help.
First, it is advisable to familiarize ourselves with PCBs. The boards are basically made up of non-conductive solid materials that are then laminated with copper or other metal sheets. These sheets create the surface that is conductive.
The most common board material is the glass-reinforced epoxy, more commonly known as FR-4. Other more complex boards (that are for high performance circuits) use ceramic or PTFE bases that have different fillers. These materials are chosen because they are affordable, flame-resistant, and most importantly, have low conductivity.
Let us move on the layers that will be vital to your PCB assembly. Take note that the most affordable PCBs are the single-sided kind. This type of board is made up of the base material with a single sheet of metal covering the top. Although the single-layer sounds simple, take note that this board, with its characteristic of having just one sheet of metal, offers complications when you try to lay out your PCBs. This happens because of the limited metal that you can work with, especially when you try to cross electrical connections.
On the other side of the coin is the double-sided PCB. This is usually the one that those who experiment in assembling and fabricating FCB work with or try to create. One of the main reasons is that it is less complicated than the single-sided board because it offers another layer of metal to work with. Aside from that, this type of board is largely the most cost-effective kind.
For the more adventurous people, they may want to add another layer. This kind of board allows them to modify their design, making it more compact while also giving them the flexibility to create complicated signal paths. We, at PCBNet, recommend this type to more advanced users who want to manufacture more complicated PCBs with us.
Aside from layers, you also need to become familiar about copper traces to specifically design the board that you want for your own PCB assembly adventure. You can make copper traces by eliminating the solid sheet or part of the base material.
After layers and copper traces, we can now move on to vias. These are useful specifically on electronically connecting one layer to another layer. There are three kinds of vias – blind, buried and through hole. Blind via is a connection of a surface layer to an internal layer, which does not go all the way through the whole board. Buried via, on the other hand, is almost the same with blind via, but you can use it in connection with internal layers. Though hole is the usual kind of via, which is made by drilling through the whole board.
There are other physical parts to consider before starting your PCB design and assembly. These are copper fills, fiducials, silkscreen, and solder mask. Copper fills are used to suppress the noise on the circuitry or disperse heat from the gadget or device. Fiducials are distinct markings on the PCB that let assembly machines adjust themselves accordingly. Silkscreens are layers of the PCB that are added after fabrication. These contain document board information, visual cues, component placement marks, or the brand. Solder mask is the green layer of the board. This is applied after manufacturing to prevent the solder paste from spreading to the other parts of the board. Aside from this purpose, it is sometimes stylized for aesthetic purposes.
Now that you are familiar with the physical components, you need a reputable and experienced PCB supplier such as our company, PCBnet. Luckily, for people who are looking forward to their own adventure in PCB assembly, we can offer supplies or quantities in 5-6 days and production in 2-3 weeks. With the knowledge that you learned from this article, you can now assemble and manufacture your dream PCB with us.
Whether you are a PCB assembly hobbyist or a professional tinkerer, you will most likely have a great experience with us because of our track record of competitive pricing, quality, and on-time delivery. You can join our long list of satisfied customers such as Motorola, Ericsson, Sony Electronics, HP, Intel, Whirlpool, etc. For other relevant information, you can visit our website.
PCBs have become an important part of a wide range of machineries, computing devices, automobiles, appliances, and other electronic gadgets. Here www.pcbnet.com you can get best PCB options