8 Things you Need to Know about Copper

Judy Warner

| 已创建：July 20, 2021

8 Things you Need to Know about Copper

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.

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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

Links and Resources:

Rogers Advanced Connectivity Solutions Website
Rogers (Free) Technology Support Hub
DesignCon 2021 August 17-19, San Jose, CA
PCB West 2021 October 5-8, Santa Clara, CA
Copper Foils for High-Frequency Circuit Materials
Different Copper Foils for Different Reasons
Choosing Copper Foils for High-Frequency PCBs
Materials for High Speed Interconnects: Physics & Chemistry of Copper Clad Laminates
How Copper Properties Impact PCB RF and High-Speed Digital Performance

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关于作者

关于作者

Judy Warner在电子行业的不同领域有超过25年的经验。她拥有PCB制造、射频和微波PCB以及合同制造的背景，专攻Mil/Aero应用。她还在多家行业出版物撰写文章、博客和日志，例如Microwave Journal、PCB007 Magazine、PCB Design007、PCD&F和IEEE Microwave Magazine，并且是PCEA（印刷电路工程协会）的活跃委员会成员。2017年，Warner加入Altium，担任社区参与总监。除了主持OnTrack Podcast和创建OnTrack Newsletter外，她还推出Altium年度用户研讨会AltiumLive。Warner致力于为全球PCB设计工程师提供资源、支持和建议。

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