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Artic silver, non condctive but compacitive?

T

Theslowone

Golden Member
How can artic silver be non cunductive(except under extreme pressure) but be compacitive? It seems in order to be compacitive it needs to conduct electricity. I know a ballon, not able to conduct electricity can hold a static charge. Is this what they are meaning? I have studied electronics/electrical, and have asked one of my enigneering teachers this same question. His reply is he would have to see the specs but under normal conditions he couldn't see how it could be compacitive as they say it is. I am just trying to find out if what they say is truly in the compacitor since or in just static charge.

 
Considering how poorly most people apply heatsink compound, I'm sure we would've gotten reports of people with jumped/shorted connections if it was really conductive.

Of course, if you're worried, you can alwasy head down to your local Altex (or their website) and by some Type 44 thermal grease; it works just as well, if not better.
 


<< How can artic silver be non cunductive(except under extreme pressure) but be compacitive? It seems in order to be compacitive it needs to conduct electricity. I know a ballon, not able to conduct electricity can hold a static charge. Is this what they are meaning? I have studied electronics/electrical, and have asked one of my enigneering teachers this same question. His reply is he would have to see the specs but under normal conditions he couldn't see how it could be compacitive as they say it is. I am just trying to find out if what they say is truly in the compacitor since or in just static charge. >>




ummm capacitive not compactive. Anytime you have a mixture of conductors and insulators in close proximity without direct contact, there will be some capacitance. The capacitance mainly depends on the distance, surface area and dielectric constant of the insulator.

 
Try searching www.google.com for carbon aerogel.

You will find a new breed of ultra-capacitors that have very low ESRs, capacitances in the tens and hundreds of Farads (not microfarads) along with stuff from Lawrence Livermore Labs, whom "invented" the devices.
 
/me ducks maniac with his new railgun! 😀


the non-conductive term is a bit misleading (and frequently misused)

They are refering to conduction of DC.
ie: resistance is infinite

However, for capacitors, AC may be passed dependent upon the capacitor value and
the frequency of the signal.
ie: reactance is non-linear as a funciton of frequency but finite

note: I think you will get arguments about who invented ultra-caps........ but not from me 🙂
 
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