Role Of PCB Layout In Manufacturing Of Circuit Boards

pcbcartinchina
3 min readMar 25, 2016

In the manufacturing and design of printed circuit boards, layout plays an important role. The graphical representation of the circuitry which is necessary for PCB manufacturing is produced by following the layout process. The detailed description and graphical representation of the circuit is what PCB design is all about. These days, most of the circuit boards are assembled and tested through the use of automated equipment that are driven by the data provided by PCB files. This explains the importance of PCB layout as it provides the source on which all other design calculations and testing modules are based.

PCB Layout with Computer Aided Design Software

The increased development of CAD tools by different companies has made it easier to prepare PCB layout using CAD software tools. Computer Aided Designing software are applications that offer different techniques and tools to generate the necessary files for effectively and efficiently designing the layout of PCBs. These tools also help in ensuring maximum accuracy in design creation as well as provide various features to allow the designer to preempt flaws and mistakes before the prototype is sent into final production. CAD software has actually become an indispensable tool for PCB layout design with various companies using it extensively to service clients with requisite circuit board schematics. In fact, you will find the use of this tool becoming more of an industry standard.

Considerations for PCB Design

The most integral part of PCB design process is the creating a layout for manufacturability. A PCB design company needs to take into consideration the manufacturing process as well as cost and economic considerations while designing a circuit board. This requires a complete understanding of the manufacturing process and the way in which the PCB layout will affect the end result. Various timely adjustments in the design can help prevent expensive mistakes in prototypes and even enhance the design for better cost effectiveness.

There are many things which the PCB design software should take into account including size of the circuit, current flow and electromagnetic interface specifying the track width. The impedance signal tacks and susceptibility also needs to be measured to prepare a precise PCB design for a particular circuit. A thorough description in the PCB layout — of positioning of components, their alignment and relationship with each other along with track management is equally important for the design to be coherent.

Outsourcing Layout design

As you have seen above, designing a functional layout for PCBs is a task that requires expertise, skills, software knowledge, understanding of the manufacturing process as well as engineering and design prowess. For most manufacturers, outsourcing this design function to an expert outside agency happens to be the more practical and often, economical alternative. With these professional services, a company can get their hands on working PCB prototypes within days of setting the assignment without having to invest too much money or make too many mistakes.

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About The Author

James Whitehall is an expert when it comes to printed circuit board manufacturing and design. He loves writing interesting articles and blogs about the topic and recommends PCBCart.com as the name to trust if you are looking printed circuit board fabrication services and support.

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