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Let’s continue to introduce the other two electrical safety clearances: the safe clearance between pads and the safe clearance between copper foil and the board edge.

During our regular PCB design, we encounter various safety clearance issues, such as the spacing between vias and pads, and the spacing between traces, which are all aspects we should consider. Today, we will categorize these clearance requirements into two types: one is electrical safety clearance; the other is non-electrical safety clearance. Let's start with the electrical safety clearance:

Now let’s learn about the relation between IC and PCB:

If you are interested in electronic area, you must learned about PCB and IC. But, do you know what’s the meaning of them? Today, let’s learn about the difference between PCB and IC.

Today, let’s continue to learn about the last two kinds of copper foil: HTE copper foil and RTF copper foil:

Today, let’s continue to learn about the HTE copper foil and RTF copper foil:

Today, let’s continue to learn about the HTE copper foil and RTF copper foil:

Today, we will introduce 8 kinds of main copper foil in PCB manufacture, let’s start from ED copper foil and RA copper foil.

Today, according to the IPC-4562A, we will learn about the relation between the weight and thickness of Copper foil. In the production and manufacturing of PCB copper foil, the weight and thickness of the copper foil are two critical parameters.

Now, let’s learn about the different types and abbreviation of copper foil:

Let's continue to learn about other categories of copper foil:

The Copper Foil on PCB (Part 5)