WonderFulPCB Quality Control

WonderFulPCB is a PCB and PCB assembly service provider. To fulfill the demands of our customers, we not only provide friendly services and on-time delivery but also focus on the improvement of our products and services. For providing high-quality PCB boards and electronic projects to our user’s requirements. PCB quality controls are always the main part of our production process, and we perform it for each point. Our engineers and other technical staff are skilled and use the latest instruments for making quality boards without defects, and we follow high standards. We also have features to provide your complete PCB quality reports and related certifications as proof of quality products.

The main aspects where we apply quality control are discussed below.

Quality Control in PCB Design

As PCB board designing is an important factor in PCB board manufacturing, quality control is also the main factor for PCB board designing. To fulfill this requirement, we make a process for determining quality for each phase of the PCB board assembly process. At the start and after some interval testing are the main factors that help to find that our PCB design is working according to requirements.

Before starting the manufacturing process, make testable designs. In this way, we can find and remove manufacturing errors. It is also made sure that our PCB board is according to standards and measures followed in the electronic field.

Different factors work for PCB design quality controls, such as PCB board service providers and components that are used for PCB assembly, also important.

If you are new to PCB boards or do not have enough knowledge of PCB design and PCB assembly, get services for PCBs from famous suppliers.

For PCB design, TDR measurements are important factors since they help to maintain the quality of the signal flowing on board. In these measurements, amplitudes are chances measured for finding the value of impedance. However, this testing technique is not used for bulk volume production but has good results for prototypes and low- to mid-level manufacturing. Either TDR technique is costly, but if you know the main use of TDR tests for PCB design, it can increase the quality of your manufacturing process.

Inspection cameras are also used for getting high-quality PCB boards. With these cameras, we can get a crystal clear view of the board. The resolution images obtained with the inspection camera match with the real PCB design and find any faults if needed improvement in design can be made.

All in all, PCB design quality controls are important for making final board assembly accurately and according to our customers and also affect the overall business of the company.

If you are finding any company for PCB design services, make sure that they have quality certifications such as AS9100, ISO, or ITAR that help to ensure that they are quality services. Since they have experience in making boards according to industry standards with no faults.

The ISO or AS9100-certified manufacturers help to make quality board design and manufacturing as well.

Quality Control for PCB Manufacturing

PCB boards are the main component or building block of electronic devices and circuits. So if we use high-quality boards, it will automatically affect the quality of electronic devices and projects, and if there is any fault in the board, it can affect the overall quality and working performance of electronic devices.

So during the manufacturing process, board quality control is an important feature applied, such as from PCB board design to final assembly.

PCB manufacturing quality controls help us ensure that the board is according to the required features and standards. PCB boards are made in bulk orders, and there is a need to make sure that each board is fulfilling quality standards.

In PCB production, process quality control also comes with the use of proper tools and devices. To make sure quality from appearance to final working is controlled for the complete board.

The quality checkers check board is according to IPC standards, and AVI is an inspection system that checks board quality during the manufacturing process. It checks if there is any error in GERBER files.

For inspection of hole size on board, an automatic hole inspector is used.

Visual inspection is also important for checking different parts of the board at the time of manufacturing. During visual inspection, extra solder and non-connected components on the board are detected.

For clear error-finding, a camera is used for taking pictures and finding faults with the X-ray inspection, which is also part of the PCB quality inspection for the manufacturing process. These tools help to find connections of components on board and in a non-invasive way. For a quality check of the PCB board’s inner configuration, AOI makes high-resolution images.

Quality Control for PCB Component Procurement

With the manufacturing of quality PCB boards, it is also important to use quality components for making high-quality boards and final electronic devices. The main components, such as PCB parts and circuit board components, are considered building blocks of electronic devices whose workings are based on reliable components.

The use of good-quality PCB parts helps to provide reliability and high efficiency for reducing the chances of damage and repair costs. So get components from famous suppliers that provide reliable PCB components with quality consistency.

Some factors check for limiting issues for quality component procurement.

BOM Validation:

• This process makes sure that components in the bill of materials are according to PCB design features.

MPN Verification:

• It is used for buying the accurate components.

Visual Inspection:

• It helps to check that the component matches the ordered details.

Supplier Verification:

• For getting reliable and quality components for your PCB board, get component procurement services from credible and reliable suppliers.

Considerations for Selecting PCB Components

Durability:

• The selected component for the PCB board has features to work well for harsh conditions, easily handle stress, and work for a longer duration.

Compatibility:

• Ensure that PCB components have compatibility with other connected components and the board so they work well without any damage or error.

Standardization:

• Use standard PCB components that can easily be repaired and replaced if needed at a low cost.

Conductivity:

• The materials used for components are also important since they affect their conductivity and increase efficiency for board operations.

Thermal Management:

• The PCB component also has features to easily handle heat and heat dissipation without getting overheated or damaged.

Quality Control for PCB Assembly

The quality of the PCB assembly process is also important for making properly working PCBs and electronic circuits. Different types of components, such as diodes, transistors, inductors, capacitors, sockets, and wires, are used for making proper assembly, and if there is any error in one component or any other part of the assembly, it can affect the complete PCB assembly working.

The main reason for low-quality PCBA occurs when the same testing process is not used as used for other manufacturing. To maintain accuracy and increase the assembly process, use automated testing devices.

For proper quality of PCB assembly, manufacturers have skilled staff and the latest instruments. They also follow international standards.

The PCB quality control process is based on the plan-do-check-execute cycle for regular development. The continuous development process helps to find chances of any improvements and make quality products and also services.

For quality PCB assembly, different testing methods are used that help to find damaged or not working components and help to solve that error at the start.

For measuring the reflectivity of solder joints, automated laser inspection was used. In this technique, PCB components are scanned with the use of a laser, and their comparison is made for light reflection with a proper working design.

How We Assess PCB Assembly Quality

• Before bulk PCB assembly First article inspection is performed to ensure that everything is good and to make a report for review of customers.
• For controlling temperature and speed for reflow soldering ovens, standard SOPs are followed for solder paste filtering and soldering that is used for SMT.
• Before and after packaging, there are different PCBA tests performed, such as ICT, function tests, temperature and humidity tests, aging tests, etc.
• At the time of PCB assembly, different tests are performed for PCBAs, such as solder paste inspection, X-ray inspection, and automated optical inspection,, and all results are recorded and sent to customers.

Quality Control in Inspection

The PCB quality inspection process involved the inspection or quality check of final products and helps to ensure that it is according to PCB design. To follow the developed standards, the PCB board is monitored and inspected in strict adherence. Different standards are used for PCBs in different countries, and you must check that the PCB board is following your country’s standards for quality. The methods used for quality control inspection of boards are

Visual inspection

• In this inspection of the board, different parameters and features of the boards are visually checked with the use of a ruler, vernier caliper, or magnifying glass. The main parameters for checking are surface quality, board dimensions, via position, pad plating quality, and and character quality.

Performance Inspection

• In this process, the electrical performance of the board is checked. In this testing,, basic PCB functions are checked with the use of a multimeter; we can check the connectivity of different layers on boards.
• Insulating resistor inspection of the board helps to check the insulation of the PCB and tests called insulating performance tests.

Technological Inspection

• Here we inspect solderability and plating adhesion inspection. It makes sure that the board works effectively and reliably and provides high quality.

Why Quality Control Matters

Reliability of Product

It is important to make sure that at the end of the manufacturing process, the PCB board must be error-free. If there is a minor issue, it can affect the overall working performance of the board and also the electronic device where the board is used. Product reliability is the main factor for all types of electronic devices, such as medical devices that use a board, and has a high level of importance. If any device not working well has bad effects and causes data losses and improper performance.

So board quality and error-free design make sure that final assembly and electronic devices are working well according to requirements.

costs reduction

Proper inspection of boards made before and after manufacturing can cause serious issues for overall electronic devices, increase costs, and delay the product. So proper quality control measures make low-cost boards, reduce extra charges for reworking and replacement, and deliver products to customers on time.

Customer satisfaction

When any manufacturer delivers electronic projects or boards to their customers according to their requirements without any issues, it maintains customers’ satisfaction with your services. For customer satisfaction and to maintain their loyalty through the application of quality control measures from PCB design to the manufacturing process.

Brand Reputation

With other factors, quality controls also affect brand reputation, and if any manufacturers provide quality services for PCB and PCB assembly to their clients with the use of proper and advanced quality control measures, it helps to increase the reputation of brands, and more trust in customers develops in their services and products.

WonderfulPCB is the best PCB service provider, also fulfilling all requirements for providing quality services for our clients, and we do not compromise on a single step of PCB design to manufacturing for delivery of quality services.