PCB 101: Everything You Need to Know About Printed Circuit Boards
PCB stands for printed circuit boards 101 and these boards are used across the planet in electronic devices such as cell phones, computers and even video gaming consoles. Nearly every piece of electrical equipment used in our daily lives contains some type of PCB board and in most cases more than one. In electronic devices of all types, PCB boards perform two key purposes. This first is to be a place to mount the electronic components of the device and the second is to supply an electrical current to and from each of those components. Whether used by large manufacturing companies or electronic hobbyists, these PCB boards offer an excellent way to build quality electrical equipment across the globe. Today we cover the brief information about circuit boards 101.
What PCBs Are Made Of
These boards begin as a thin sheet of material (traditionally glass fiber epoxy laminate) that a layer of coppering is applied to through a chemical process to make them receive the printing and conducting ability. The “print” is essentially the design that conducts the electrical components to one another. The process of making the printed section of a PCB can be quite extensive and requires the transferring of a printed design to the board with an acid resistant liquid.
Getting the Board
After the print has been transferred, the printed circuit board is placed into a tank of acid, usually consisting of Ferric Chloride Solution/Etching Solution. This bath in acid will remove the large copper areas from the board and leave behind the printed design in thin copper, making for an electrical connection between components in all electrical devices. Following the acidic bath, holes are drilled into the PCB to making mounting points for the components to be used. Then a final protective coating is applied to the board in an effort to prevent any corrosion of the remaining copper pieces.
Many electronic enthusiasts can make their own printed electronic boards in less than an hour and a half and several electronic companies allow for custom printed and unique types of boards serving a wide range of devices.
Types of PCB
There are a few different types of PCB boards in the electronic market today. Each one has unique qualities that are best for the devices they are placed in such as laptops, mobile tablets, radios and even some elements of cars. There are six individual types of circuit boards and those are listed below.
- Heavy Copper and Backplanes
- Flexible Printed Circuits (commonly called flexible pcb)
- Rigid-Flex Circuits
- Metal backed PCBs & Thermal-Clad PCBs
- Complex HDI
- Multi-layer, Single and Double-sided
Printed Circuit Boards 101
PCB stands for “printed circuit boards” and because they are used across the globe by manufactures and hobbyists alike, it’s no wonder why there is such a need to know more about these devices that affect our lives on a daily and in some cases, minute by minute level. Through an understanding of the materials used, the chemical processes in transferring the print and the different types of boards available, you can know everything you need to know about printed circuit boards and their uses.http://www.thetechnologylounge.com/pcb-101-printed-circuit-boards/Computerscircuit boards 101