PCB Drill Entry Burr Control: A Clean Hole on Both Sides 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 drill entry burr control from the perspective of…

Military Grade vs Industrial Grade PCB: Which to Choose Two Grades, Two Sets of Assumptions The difference between a military grade board and an industrial grade board is not a single specification. It is a different set of assumptions about what the product must survive. An industrial controller is expected…

Switch PCB: The Board Behind Every Button What a Switch PCB Is A switch board is the least glamorous and one of the most heavily used circuits in electronics. Its job is to turn a physical action into an electrical event, and to do it several million times without wearing…

PCB Smear Removal After Drilling: Cleaning the Wall Before Plating 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 Resin Recession at Hole Wall: When the Resin Steps Back 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 resin recession at hole wall from the perspective…

PCB Manufacturing Glossary: Terms Engineers Must Know Why the Vocabulary Matters A printed circuit board passes through a dozen hands before it is finished, and each of those hands uses a slightly different word for the same object. A designer calls it a footprint; a fabricator calls it a land…

4oz Copper PCB: When Heavy Copper Is Worth It What 4oz Copper Means Copper weight is quoted in ounces per square foot of foil, which is a weight rather than a thickness. One ounce of copper spread over one square foot is about 35 micrometres thick, so a four ounce…

SMT SPI Measurement Accuracy: Checking the Print, Not the Joint 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 X-ray Void Measurement: Seeing Inside the Joint 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 X-ray void measurement from the perspective of a PCBA factory floor,…

LCD TV PCB Assembly: A Complete Guide The Boards Inside a Television A modern LCD television contains several printed circuit assemblies rather than one. The mainboard carries the video processor, the memory and the input interfaces. The power board converts mains into the low voltage rails the set needs. The…