[ltp] Re: static discharge

[James Knott]

Jan Kundrát wrote:
> green wrote:
>> Where?
>
> Metal hinges that hold the lid seem like an ideal place. A massive
> piece of some metal is certainly better than anything near the circuit
> board.
>
>> Then there is the VGA port which would probably "grounded to the case".
>
> "Too close to the electronics", I'd say.
>
It's hard to get far from the electronics.  Regardless, when you touch
any grounded component, including connector shells, that discharge goes
to ground, not the circuits.
>> Where is the charge discharged to?
>
> Nowhere. The process only transfers some electrons from your body to
> the laptop (or the other way round, depending on the initial
> difference), thereby making the electric potentials equal [1]. It
> doesn't work like "hey, it will be a big boom, can I charge the
> battery with it?".
>
> Cheers,
> -jkt
>
> [1] http://en.wikipedia.org/wiki/Electrostatic_discharge
>


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