PCB Kapton Tape Masking: A Tape That Takes the Heat 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…

PCB Masking Tape for Gold Fingers: Protecting the Contacts 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 masking tape for gold fingers gives you a…

IPC Class 3 PCB: Specifications, Process and Compliance The Acceptance Standard for Zero Defect Applications In aerospace avionics, medical devices, defence systems, power generation and high performance automotive powertrains, a PCB failure is not a warranty event. It is a safety incident, a mission loss or a regulatory problem. IPC…

Twenty Layer PCB Stackup: Design Rules and When You Need One When Eight or Twelve Layers Are Not Enough Most electronic systems are well served by eight, ten or twelve layer boards. As signal rates rise, integration density increases and systems accumulate more interfaces, the traditional multilayer stack reaches a…

PCB Legend Ink Jet Printing: Writing on the Board 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 legend ink jet printing from the perspective of a PCBA…

Nelco PCB Materials: Properties, Selection and Performance When Standard FR-4 Runs Out of Headroom For most products, standard FR-4 is the right answer. It is cheap, well understood and easy to process. Push into high speed serial links, dense backplanes, 5G infrastructure, server platforms, aerospace systems or precision industrial control,…

PCB Scale Factor Compensation: Building In the Shrinkage 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…

Via in Pad Plated Over: Design Rules for Dense BGA Assembly The Problem With an Ordinary Via in a BGA Pad Fine pitch ball grid arrays force a design decision that has no clean answer in conventional fabrication. Routing escapes from a dense BGA often requires vias placed directly in…

PCB Registration Measurement System: Proving the Layers Line Up 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…

PCB Prepreg Volatile Content: What Leaves the Stack 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 prepreg volatile content from the perspective of a PCBA factory floor,…