8 Things you Need to Know about Copper

2021-07-20

Copper roughness has an impact on high-speed digital designs. Choose your copper wisely! In this episode, circuit materials expert John Coonrod of Rogers Corporation shares his extensive knowledge on copper roughness. Watch this episode or listen on the go; it will help a PCB designer make a sound decision about picking the most suitable copper to use on your next design. Altium 365: Where the World Designs ElectronicsWatch the video, click here. Show Highlights: Introduction, John Coonrod’s role, expertise, and ex...

Copper roughness has an impact on high-speed digital designs. Choose your copper wisely!

In this episode, circuit materials expert John Coonrod of Rogers Corporation shares his extensive knowledge on copper roughness. Watch this episode or listen on the go; it will help a PCB designer make a sound decision about picking the most suitable copper to use on your next design.

Altium 365: Where the World Designs Electronics
Watch the video, click here.

Show Highlights:

Introduction, John Coonrod’s role, expertise, and experience in the Rogers lab
How the two basic types of copper are made (Rolled and ED) electric deposit (check out the slide)
- Copper overview
- Surface Roughness, the rougher the copper, the more the bond area
- Copper Treatments
What is a reverse treat? The benefits, thermal properties, and adhesion
IPC classifications of Low Profile (LP), Very Low Profile (VLP)
Surface roughness for different types of copper and different types of surface roughness measurement units (check out the slides)
- Best practices when selecting a material
Normal variations of copper for thickness, roughness, and etching differences
Copper roughness impact on high-speed digital designs
Copper roughness impact on RF concerns
Future MMW 9 micron copper