Design Process Overview
Printed Circuit Board or PCB is used as support to electronic components by providing means of connection between electronic devices. It uses trails and conduits that are imprinted into copper sheets.
The history and progression of the printed circuit board runs way back in 1930’s but became increasingly prolific throughout the 1940’s and 1950’s. As PCBs have become more common, their structures and mechanics have changed, allowing for more dependability and usability. Today, PCBs are widely used in almost all modern electronic devices and equipments as they provide a relatively economical and efficient method of electronic data printing that are most suitable to companies with elevated volume and data needs.
Printed Circuit Boards are now constructed using thin layers of copper, coated in a nonconductive layer of glass fibers mixed with other materials.
10 Step by step Process Layout of Printed Circuit Board Design
Step 1 -
Choosing and Incorporating Software
There are many types of software and manufacturing tools available for creating and printing a PCB image. Printed circuit board software works to create an image that will aid a technician in successfully transferring and printing a plan onto a PCB. This software is used throughout the printing and etching process to ensure these procedures are done correctly.
A company that prints and creates PCB will have to look for the best tools available in order to create quality PCBs at high volumes and rates. Software incorporation and options however, depends on the customer’s needs and requirements, as well as their financial capacity.
Step 2 - Designing the PCB Structure
The layout of a PCB image is formed by the creation of various mechanisms of the PCB and linking of each mechanism. This process requires supervision from a technician to ensure proper software use and performance.
Step 3 -Creating the PCB Mechanisms and Structures
Once the plan has been determined, each element of the PCB must be planned and drawn into the copper sheets through either additive or subtractive method. In the subtractive method, the image can be created using a variety of inks to imprint the image into the copper and removing the excess and unnecessary copper once it was finalized. This can also be done by simply using the PCB machinery. On the other hand, additive method uses printed layer of the image and add copper that is later removed in the etching process.
Step 4 - Determining the PCB Form
The printed circuit board’s parameters and components should be properly measured and applied in order to ensure proper PCB imaging and set-up. Any mistake on this level of design and production can cause significant problems in the PCB.
Step 5 - Ensuring Rules of Structure and Creation
See to it that that every part of the PCB image is placed and attached correctly with every other part. At this stage, the PCB software should have been successful in its imaging and application.
Step 6 - Locating and Positioning Design Parts
This process can be very time-consuming, but PCB software and mechanisms work to streamline it. With the copper printed and properly placed, etching is done to remove excess copper and fix the impression. Then, the copper and board are connected and a layer of tin or lead is used to overlay the PCB, thus allowing etching to occur. Depending on its complexity, PCB layers can be molded together by placing small holes using high-performance drills. This allows the printed circuit board’s conductivity and performance efficiency.
Step 7 - Routing PCB Traces
Once the process of determining and creating the printed circuit board is complete, it is necessary to test each route and connection. This process is completed by using high-level computer software and voltage that help technicians work through the board to ensure that the electronic traces are working properly and efficiently
Step 8 - Using Autorouting Application
Autorouting is more helpful compared to manual routing. This enables the technicians to accurately pinpoint trace errors or changes. Autorouting softwares now come in many varieties and are constantly improving. Its many options allows better organization of the process.
Step 9 - Checking Rules of Creation and Incorporation
The printed circuit board is now ready to be analyzed and tested by computer software. This software checks the image and reports faulty aspects.
Step 10 - Using Gerber Files
The process of creating and manufacturing printed circuit boards can be both time-consuming and extensive. The details and specifications in the manufacturing process should all be entered and compiled into the Gerber Files as this can be used by the manufacturing company for further PCB creation. For companies with high-volume needs, using a trusted and reliable PCB production company can make the process much easier and cost-efficient.




