PCB Soldermask Setup: Getting Ready Buyers and engineers often focus on the finished product and forget the production line behind it. In practice, most field failures can be traced back to process decisions made during assembly. Understanding PCB soldermask setup gives you a practical advantage when you choose a factory,…

PCB Soldermask Defects: What Goes Wrong Electronics manufacturing has become a discipline of small details. Solder paste volumes, placement accuracy, temperature profiles and inspection limits all add up to the final result. This guide looks at PCB soldermask defects from the perspective of a PCBA factory floor, covering preventing defects…

PCB Soldermask Maintenance: Keeping It Working Buyers and engineers often focus on the finished product and forget the production line behind it. In practice, most field failures can be traced back to process decisions made during assembly. Understanding PCB soldermask maintenance gives you a practical advantage when you choose a…

SMT Adhesive Dispensing and Cure for Wave Soldering Adhesive holds surface mount components in place while the board passes over a wave of molten solder, and it does the job only if the dots are the right size, in the right place and cured to the right degree. A dot…

PCB Soldermask Records: Writing It Down Modern electronics depend on boards that are assembled correctly the first time. Every product – a phone, a charger, a medical instrument or an industrial controller – relies on thousands of solder joints that must conduct current for years. This article explains PCB soldermask…

Conductive Anodic Filament Growth In PCB Laminate Conductive anodic filament, usually shortened to CAF, is a failure in which a conductive path grows through the laminate between two conductors held at different potentials. The path follows the interface between the resin and the glass fibre bundle, and once it bridges…

Moisture Absorption: Design Rules and Process Limits Every organic laminate absorbs a small amount of water from the air. The amount is measured as a percentage by weight and it looks trivial, yet the absorbed water changes the electrical and mechanical properties of the material and creates the internal pressure…

PCB Soldermask Audit: Checking the Practice Buyers and engineers often focus on the finished product and forget the production line behind it. In practice, most field failures can be traced back to process decisions made during assembly. Understanding PCB soldermask audit gives you a practical advantage when you choose a…

PCB Soldermask Checklist: What to Check Modern electronics depend on boards that are assembled correctly the first time. Every product – a phone, a charger, a medical instrument or an industrial controller – relies on thousands of solder joints that must conduct current for years. This article explains PCB soldermask…

Unit Serialization and Traceability in PCB Assembly Traceability is the ability to answer a question about a board months after it was built: which laminate, which paste batch, which machine, which oven profile, which operator. It is required by customers in several industries and it is useful to everyone, because…