Press-Fit PCB Hole Size and Validation: 1.45 mm vs 1.475 mm
The dimensions of PCB press-fit holes directly affect the quality of component press-fit connections, as well as the electrical performance and reliability of the entire PCBA. In this WellerPCB case, an initial trial showed visible damage, prompting a revised 1.475 mm nominal finished-hole target and validation on two bare boards before SMT. Both samples passed […]
What is the PCB Lamination Process? Steps, Cycles & Common Defects
PCB lamination is a key step in multilayer PCB manufacturing process because separately patterned inner-layer circuits must be bonded into one board, with electrical insulation between the conductive layers. A conventional double-sided PCB, by contrast, has circuitry on the two faces of a single copper-clad laminate and normally does not require an additional multilayer lamination […]
PCB Surface Finishes: Choosing Between HASL, ENIG, ENEPIG, OSP & More
PCB surface finishes protect exposed copper pads and help ensure reliable soldering performance in electronic assemblies. Printed Circuit Boards (PCBs) are used in a wide range of products, including consumer electronics, industrial controllers, and medical systems. Since exposed copper oxidizes quickly when exposed to air, a suitable surface finish is required to maintain solderability and […]
Top 10 Electronics Manufacturing Services Companies to Know in 2026
Electronics manufacturing services companies differ significantly in scale, technical specialization, service scope, and the types of programs they are built to support. Foxconn and Wistron operate at enormous global scale, Jabil and Flex provide broad engineering-to-production support, while companies such as Plexus, Fabrinet, and Benchmark focus more heavily on complex, regulated, or specialized products.This comparison […]
What is Electronic Manufacturing Services? Business Guide
Electronic Manufacturing Services (EMS) is an outsourcing model in which a specialist manufacturer builds electronic assemblies or finished products for an OEM or product company under an agreed specification. Depending on the project, EMS can include DFM support, component sourcing, PCB fabrication, PCB assembly, programming, testing, box build, logistics, repair, and lifecycle support. For buyers, […]
Mouse Bites PCB: Hole Size, Spacing & DFM Rules
PCB mouse bites are perforated breakaway tabs that hold boards in a routed panel and allow controlled separation after assembly. Their performance depends on hole geometry, tab placement, board thickness, clearance, and depaneling method.They are especially useful for irregular board outlines or locations that need selective panel support. See WellerPCB’s PCB manufacturing process guide for […]