Most engineers should have known a thing or two about soldering a rigid circuit board by hand, but when it comes to the flex circuit board? Flex circuit boards are now more and more mentioned in elect...

You hope to verify the PCB layer count that the manufacturer sent you, is it the required 4-layer board or just double-sided board? Any method for quick verification rather than going to the work stat...

Via in pad is a process that is widely used to accommodate high density interconnect technology. Via in pad is belong to the plated holes and can be simply understood as a via hole in a metal pad.&nbs...

Plated through-hole, blind via, and buried via are often mentioned when it comes to PCB manufacturing. But what do they mean? What is the difference between them?   Before th...

In the current PCB production process, there are mainly three manufacturing technologies: subtractive, additive, and semi-additive. 1. Subtractive: subtractive manufacturing is the earliest PCB...

What is Halogen-free PCB? Halogen-free PCB is often mentioned when it comes to PCB manufacturing in recent years. According to the JPCA (Japan Circuit Association)-ES-01-2003 standard: Copper-...