Authored by Pankhuri

PCB assembly, or Printed Circuit Board assembly, is the process of populating and soldering electronic components onto a PCB according to a specific design. The components are soldered onto the PCB to establish electrical connections between them and create a functional electronic device. 

PCBs are commonly designed and manufactured in large quantities, and the processes of PCB design and manufacturing are closely related, posing unique challenges.

Tips and Best Practices for PCB Assembly Process

DFM Check:

To guarantee error-free and efficient PCB performance, conducting a design for manufacturing (DFM) test is crucial. This test identifies design errors early on, preventing costly mistakes and delays in later stages. It detects issues like component spacing, polarity, and footprint verification promptly. Additionally, the DFM test offers several benefits that includes cost reduction, expedited delivery and time savings by minimising rework and enhanced product quality.

Get an insight into the manufacturing processes:

The quality of the final product depends significantly on the components utilised during PCB assembly. Implementing robust quality assurance measures is essential for conducting sample tests and evaluating BOM components. Whenever feasible, consider visiting the manufacturer’s facility to gain deeper insights into the manufacturing process, enabling you to make informed decisions.

Quality of SMT solder paste

Precise application of solder paste is crucial in PCB assembly. Utilising a machine with a stencil, solder is applied to spaces for surface-mount (SMT) components. Correct solder paste composition is essential. The application should be correct and the board should be inspected post-application to ensure optimal adhesion for components.

Ensure the quality of components

Ensuring high-quality components for your PCB is essential. By teaming up with a high-quality PCB assembler, you gain access to their meticulous quality-control department. They rigorously assess incoming materials, verifying crucial factors such as date code, quality, and model number against the BOM. Various tests, including sample testing, are conducted to ensure material integrity and operational performance. This thorough process detects and addresses issues like deformation, oxidation, or breakage, ensuring the reliability of your PCB assembly.

Final Inspection:

A professional PCB assembler conducts thorough inspections to guarantee the functionality and integrity of the PCBs. Automated optical inspection (AOI) is commonly employed at this stage, leveraging cameras to detect any defects or errors. This technology enables rapid scanning of a large volume of PCBs, ensuring efficient and precise quality control.

Smooth Communication Channels:

Establishing clear communication channels with your PCB assembly partner to avoid any oversights during the assembly process is a crucial step. It’s important that your  specific requirements and the desired outcome should fall on the same line. Experienced assembly partners can provide valuable insights and recommendations, such as optimising techniques, selecting suitable materials, and staying updated on industry trends. This collaboration helps streamline the assembly process and prevents unnecessary efforts in reinventing solutions.

PCB Assembly Services with is your one-stop solution to cater to all your electronic manufacturing requirements. With a network of 500 vetted and certified suppliers nationwide, well-versed in the intricacies of electronics integration and are trusted by top-tier companies, assuring you of optimal results!

Why do we stand out?

  • Turnkey and contract manufacturing solutions
  • Dedicated assembly lines for high-volume PCB assembly
  • Global Sourcing of raw materials
  • Integrated Quality Management System

Our flexible manufacturing services enable product efficiency and quality across orders of all sizes from small batches to large volumes, while offering box build solutions along with product localisation capabilities.

If you’re looking for an EMS provider that meets the technical capabilities, contact us today. Let us help you reach the optimal outcome for all your manufacturing requirements. To get started, simply email Pushpalaxmi Vanniyar at with your specifications or fill out the form below.