All Questions
Tagged with dielectric pcb
6
questions
4
votes
3
answers
673
views
PCB material with high dielectric constant
Typical PCBs have a dielectric with a low constant \$\varepsilon_r\$. I'm studying the effect the electrical fields on dielectrics and as an experiment would like to test PCBs with a very high ...
- 95
0
votes
0
answers
94
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When is PCB thermal destruction desirable?
In the Wikipedia page for FR-4, it contains this excerpt:
FR-4 epoxy resin systems typically employ bromine, a halogen, to
facilitate flame-resistant properties in FR-4 glass epoxy laminates.
Some ...
- 2,892
1
vote
1
answer
189
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Impedance of an embedded microstrip with different sub- and superstrate
I have been trying to find a formula to calculate the impedance of an embedded microstrip where the substrate has a different dielectric constant to the superstrate (so the stack up is conducting ...
- 25
0
votes
1
answer
393
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Relation ship between Track width, Impedance, Dielectric and copper thickness
I like to know the relationship between different factors like track width, impedance, dielectric and copper thickness.
After quite a reading I got to know that as the track width of a cline is ...
- 217
2
votes
1
answer
659
views
PCB Layer Stack Dielectric Constant Math
I have a question reference PCB layer stack and the adding multiple dielectric constants together.
The image and description below should help clarify the question:
The differential pair will be ...
- 101
6
votes
1
answer
1k
views
What impact, if any, does the solder mask color have on the electrical and mechanical properties of a PCB
At my place of work, we use soldermask colors as a sort of poke-yoke for manufacturing purposes E.g. Technicians know that green pcb goes with green, blue pcb with blue, etc. This has lead to some ... ...
- 5,838