At present, the demand for lead-free soldering in the electronics industry is becoming more and more urgent, which has had a huge impact on the entire industry. Lead-free solder has begun to gradually replace lead solder, but lead-free tech

In PCB design, pad is a very important concept, PCB engineers must be familiar with it. However, although familiar, many engineers have a little knowledge of pads. Lets learn about the types of pads and the design standards of pads in PCB d

What is the meaning of circuit protection? In all kinds of electronic products, setting over-voltage protection and over-current protection is becoming more and more important. So what is the meaning of circuit protection? Lets talk with yo

What craft edge? Although the process edge is not the real element that constitutes the printed circuit board (PCB), it plays a very important role for the PCB assembled by surface mount technology (SMT). As the name suggests, the function

Nowadays, it is more and more convenient for engineers to make SMT patches. However, as an engineer, do you really understand the various processes in SMT?

1. Reasons for the production of tin beads (part one): Phenomenon: Tin balls are generally one or a few large solder balls, which usually appear next to chip resistors or capacitors, or around the pins of fine-pitch chips. Analysis: excessi