- Sep 28, 2005
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1. We are discussing HDDs.
2. You are incorrectly assuming that air proofing and water proofing works via filtration... preventing dust (which is hundreds, thousands, or more atoms big) is done via filtration. Water and air proofing requires a seal (say, a rubber one) which is limited on the pressures it handles, a seal can be damaged by water, or water could seep in via wicking actions, etc etc...
Theoretically, you could make a watertight seal that reacts with atmospheric gases to decompose, but I don't know of any... it is fairly simple to do the reverse and make something airproof but incapable of surviving water.
if your talking in regards to a filter... your absolutely correct.
But dust proofing, and air proofing are 2 different things..
in a auto body shop, i had a deli-ma... how to keep dust outside the computer yet keep it flowing.
What i did was basically sealed up the case with duct tape.
Then i put a KNN air filter on a dryer vent tubing and attached it to a high powered fan.
That made the dust get caught in the KNN and clean air was working inside the computer.
Since the machine worked on a principle of possitive pressure, and had the filter, dust could not get in, because air would not get in from the possitive pressure.
They loved this idea, and i think they still use it.
They know how to clean the KNN but have no clue on how to clean the computer.
This is the only way i learned to use possitive pressure effectively.
All the other ways was moot because its hard to maintain that pressure internally.
But having 2 Deltas driving the pressure in took care of it
Yeah it was loud, but the sound of a impact hammer, or a crank wrench on an air compressor is tons louder.
So they didnt care.
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