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[phys.org] Super-thin membranes clear the way for chip-sized pumps

post #1 of 7
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Electroosmotic pumps (EOPs), devices in which fluids appear to magically move through porous media in the presence of an electric field, are ideal because they can be readily miniaturized. EOPs however, require bulky, external power sources, which defeats the concept of portability. But a super-thin silicon membrane developed at the University of Rochester could now make it possible to drastically shrink the power source, paving the way for diagnostic devices the size of a credit card.

"Up until now, electroosmotic pumps have had to operate at a very high voltage—about 10 kilovolts," said James McGrath, associate professor of biomedical engineering. "Our device works in the range of one-quarter of a volt, which means it can be integrated into devices and powered with small batteries."
Quote:
Along with medical applications, it's been suggested that EOPs could be used to cool electronic devices. As electronic devices get smaller, components are packed more tightly, making it easier for the devices to overheat. With miniature power supplies, it may be possible to use EOPs to help cool laptops and other portable electronic devices.

SOURCE:
Who's ready to overclock their celly? HA?
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post #2 of 7
Ultrathin Silicon Membranes for Wearable Dialysis.pdf 1659k .pdf file


Here is the actual paper publications. Also mods if i am violating any rules, please delete or message me and I'll delete.
post #3 of 7
Wow! great breakthrough...I'm all in for a wc'ed phone biggrin.gif
post #4 of 7
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Originally Posted by Lumo841 View Post

Ultrathin Silicon Membranes for Wearable Dialysis.pdf 1659k .pdf file


Here is the actual paper publications. Also mods if i am violating any rules, please delete or message me and I'll delete.

Actually, as cool as it would be for the hobbyist, this is a much more amazing and beneficial use for it.
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post #5 of 7
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Who's ready to overclock their celly? HA?
People already do that, tongue.gif
Personaly as far as ocing phones I'm more concerned about battery life than heat output.
Unfortunately as awesome as this is, I don't know how much it will help with producing better handsets. I'm almost afraid it would drain the battery further just by running the cooling system on top of whatever performance gains the device got
Possibly helping with shrinking overall size? Or would this make things bigger :/
post #6 of 7
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Originally Posted by AlaskaFox View Post

People already do that, tongue.gif
Personaly as far as ocing phones I'm more concerned about battery life than heat output.
Unfortunately as awesome as this is, I don't know how much it will help with producing better handsets. I'm almost afraid it would drain the battery further just by running the cooling system on top of whatever performance gains the device got
Possibly helping with shrinking overall size? Or would this make things bigger :/

I think maybe laptops will be the first step...

But progression aside, IMO you're comparing practicality with capability. In the spirit of technology, that's apples to oranges.

I saw this and recalled IBM's on-die (trans-die?) waterblock. I assume something like that would have to be readily available for this to make it's entrance to the electronics market.

My optimism is pretty blind. rolleyes.gif
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post #7 of 7
Quote:
Originally Posted by un-midas touch View Post

I think maybe laptops will be the first step...

But progression aside, IMO you're comparing practicality with capability. In the spirit of technology, that's apples to oranges.

I saw this and recalled IBM's on-die (trans-die?) waterblock. I assume something like that would have to be readily available for this to make it's entrance to the electronics market.

My optimism is pretty blind. rolleyes.gif

i suppose you are right, not to mention we cant really tell exactly what could come of such technologies, the more options the better i guess.

by the way i like your avatar tongue.gif
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