In electronics PCB Manufacturing, Assembly and Rework, the metals to be joined are the leads of the electronic components (thru-hole or SMD) with the copper tracks on the PCB. The alloy used to join these two metals is solder which is basically tin-lead (Sn-Pb) or tin-silver-copper (S...
First, clean the PCB joints well using a blade or knife to remove dirt and corroded materials. If the joint is dirty, the solder joints will be loose. Clean the leads of components before placing them on the PCB. The leads will project out from the copper track side of PCB. Place resi...
At this point, the individual layers are now ready to be joined together through lamination. During lay-up, pins are used to fix the layers in position and ensure the stack remains in alignment prior to pressing.Pre-preg is appliedbetween the layers of substrate and copper foil as an adhesi...
Soft soldering is a technique used to join wires, fix electronic components onto circuit boards and bond copper pipes together. This tutorial shows you how to solder step by step.
Also referred to as a storage cell, a secondary cell, a condenser or an accumulator. A Leyden Jar was an early example of a capacitor.Capacitors are another element used to control the flow of charge in a circuit. The name derives from their capacity to store charge, rather like a small...
While all this is happening LMIC-node outputs status information to the serial port for viewing on the serial monitor and also outputs information to the display (if present). The status information will show time, events (e.g. EV_JOINED, EV_TXCOMPLETE), uplink and downlink framecounters, ...
Thermocouple PCBs are very crucial in electronic devices. The integration ofthermocouplein a circuit board helps to ensure proper functioning. It is crucial to monitor temperature during the process of SMT reflow, particularly for LEAD-free processes. This is because the components can experience therm...
Components are symmetrically and systematically placed across each power rail and have the same PCB size and area to limit discrepancies between the power rails. Layout routing and layer stack-up are done symmetrically as well. Figure 3. DrMOS evaluation board, top and bottom. PCB...
Utilize Fiducials on the PCB The fiducials are the markets placed on the circuit board design, which allows the automated machine to locate your PCB, and then align it properly. It will also place these components perfectly. The misplaced parts would also increase the solder mask bridges chance...
The process of soldering involves heating the point at which two electronic components are supposed to be joined. Localized heating of the joint allows solder to form an intermetallic alloy between copper and solder, which provides both mechanical strength and electrical conductivity. We explain this ...