Dive into an in-depth video lecture on PCB materials, featuring expert insights from Alun Morgan. Explore crucial topics such as signal loss in PCBs, material selection criteria, dielectric losses, and the impact of material structure on signal integrity. Learn about specialized materials like PTFE, understand the significance of dielectric constants, and examine copper losses due to skin effect. Gain valuable knowledge on PCB tolerances, the relationship between dielectric constants and trace widths, and materials used in flexible PCBs. This comprehensive presentation offers essential information for engineers and designers working with high-frequency PCB applications.
Essential Knowledge About PCB Materials - From Dielectric Properties to Material Selection
Overview
Syllabus
What is this video about
Loss in PCB vs. signal shape
Materials used in PCBs
How to decide which material to use?
Why do there are losses in PCB dielectric?
Why 2.45GHz is in microwave#
Loss factor
Filler
PTFE - Teflon
Using special material on selected layers only
Structure of materials in PCB and its effect on signal
Dielectric constant
Losses in copper - skin effect
What Alun does
Tolerances in PCB
Dielectric constant vs. trace width
PCB materials in FLEX
Taught by
Robert Feranec
