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surface resistivity

surface resistivity

(OP)
i am hit by a requirement, the surface resistivity.
to prevent any electrical energy stored on the surface, the surface resistivity must be between 1 megohm per square and 100 megohm per square.
my unit are made from anodized aluminum. i searched the internet for a number and could not find one.
is there a published document on such information?
thanks.

RE: surface resistivity

First off, what grade & type of anodize

For instance 'Hard Anodize' is thicker and more resistive than some other types.

Not saying you can trust it in isolation but a quick Google search got me: http://www.techbriefs.com/component/content/articl...

http://lmgtfy.com/?q=surface+resistivity+anodized+...

Posting guidelines FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm? (probably not aimed specifically at you)
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?

RE: surface resistivity

(OP)
i will think the thickness of the anodize layer may impact the surface resistivity, but by definition, the unit should be ohm per square.
so, that article either not valid or needs correction.
not too much info online. sad

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