How Can You Judge the Quality of a Printed Circuit Board?

The printed circuit boards (PCBs), are the main components of electronic
devices. PCB quality has a direct impact on the performance and life expectancy of the product.

You must be able to tell the difference between a good and a bad PCB if you do not want to waste your
time or money with faulty circuit boards.

To determine whether a circuit board is good, or not, it must be examined carefully to make sure the PCB
meets all the required standards.

Two ways are available to evaluate the quality of circuit boards: by appearance and performance.

Step 1: Appearance Inspection

During the appearance stage, the board is examined from its size, thickness, and the strength of the
solder joint.

It is important to check that the dimensions and thickness of the board match the specifications. The
strength of the circuit board is directly linked to the installation of components and its overall
structure.

Next, make sure the gloss is uniform.

Checking the solder joints is essential. The solder joints are visible on the link, which connects the
circuit. You can use a multimeter or an auxiliary tool to check that there are no defects.

These are the steps to be followed for an appearance inspection:

1. Check that the thickness and size of the circuit boards are consistent with the
design.

2. Ensure that the surface is smooth and free of scratches.

3. Check the solder joints carefully to make sure they are solid and reliable.

Step 2: Performance Evaluation

These are the steps to perform a performance check:

1. Multimeters can be used to check the electrical connections and continuity of the
circuit boards.

2. Check that the line thickness, width and spacing are all within design
specifications by using professional measuring tools.

3. Test the product in extreme environments, such as high temperatures, high
humidities, or specific environments, to determine its tolerance.

4. To ensure that the mechanical properties of the product meet installation
requirements, we use shock testing tools.

In one word. By considering the appearance, electrical performance and internal structure of the board,
as well as its operational performance, it is possible to ensure excellence.

How Can PCBs Be Assured of Their Quality?

The PCB assembly and manufacturing process is interconnected. Each stage is free of problems. We can
achieve a printed circuit board with high performance and high quality. During the manufacture and
assembly of printed-circuit boards, PCB quality must be controlled in these ways:

1) PCB Design Quality Control

1. Verify that the circuit board layout and connections are correct.

2. Verify the design of the circuit boards for their ability to be manufactured and
tested.

3. Standardization and compliance with PCB design is essential.

2) PCB Manufacturing and Assembly Quality Control

1. Find a PCB manufacturer that is reliable.

2. Make sure that the material used in the circuit boards complies with ROHS
regulations.

3. At the critical stage of PCB manufacture, it is important to check the quality of
your circuit boards.

4. Ensure that PCB assembly workers are operating according to specifications.

Summary

It is essential to know how to determine PCB quality, whether you are manufacturing PCBs or purchasing
turnkey assemblies. This can affect your final product and reduce financial losses. Yt-electronic, one
of China’s best PCB manufacturers, is known for its high-quality PCBs. Our PCB experience is more
than 10 years. You can rely on us. Contact us if you need anything!