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…

PCB X-ray Void Measurement: What Matters on the Production Line 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…

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…

PCB AOI Lighting Selection: Light That Shows the Fault 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 AOI lighting selection from the perspective of a PCBA factory…

Insulated Metal Substrate PCB: A Design and Cost Guide What an IMS PCB Is An insulated metal substrate board is a three layer construction: a metal base, a thin thermally conductive dielectric, and a copper circuit layer on top. The metal base is usually aluminium and sometimes copper. The dielectric…

SMT Stencil Laser Cutting Accuracy: How True the Openings Are 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 SMT stencil laser cutting accuracy from the perspective of a…

PCB Hard Gold Versus Soft Gold: Which One the Connector Needs 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 hard gold versus soft gold from the perspective…

CEM-1 PCB: The Low-Cost Single-Sided Laminate What CEM-1 Is CEM-1, composite epoxy material grade one, is a laminate with a cellulose paper core impregnated with flame retardant epoxy resin and faced with copper foil on one side. It is the cheapest material that still behaves like a printed circuit substrate,…

Electric Heater PCB: Design, Materials and Cost What an Electric Heater PCB Does An electric heater is a simple load and a surprisingly demanding control problem. The board that drives it has to switch several hundred watts, sometimes several kilowatts, read a temperature sensor and hold the element within a…

PCB OSP Coating Process: What Buyers and Engineers Should Check 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 OSP coating process from the perspective of a PCBA…