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Date: | Wed, 13 Sep 2006 09:55:48 +0100 |
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Thanks Rudy,
Why do you say it will worsen the problems we see with water?
Stop press - I have been authoritatively told this morning that if we
want to remove particles of 10 microns diameter from the surface then
we'll have to clean at a frequency of 40 MHz. Is there such a
relationship between minimum particle removed and frequency or is my
advisor talking nonsense?
Regards,
R Sedlak wrote:
> Eric: Whereas IPA may well give you a good clean, it will probably
> worsen the problems you are seeing with water...
>
> And then there might be some minor issues with flammability, and the
> fact that you will need an explosion proof US cleaner...
>
> Other than that, it is a GREAT IDEA... :-)
>
> Rudy Sedlak
> RD Chemical Company
>
> */Eric CHRISTISON <[log in to unmask]>/* wrote:
>
> We're currently ultrasonically cleaning some plastic parts in DI water
> and may be incurring some microscopic damage to the surface.
>
> We've been directed to use IPA rather than DI water as a cleaning
> medium
> to give a gentler clean to reduce damage.
>
> Does this sound like a good plan and would there be any other fluids
> that would be more suitable?
>
> Regards,
>
>
> --
> Eric Christison Msc
> Mechanical Engineer
> Home Personal, Communication Sector
> Imaging Division
>
> STMicroelectronics (R&D) Ltd
> 33 Pinkhill
> Edinburgh EH12 7BF
> United Kingdom
>
> Tel: +44 (0)131 336 6165
> Fax: + 44 (0)131 336 6001
>
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--
Eric Christison Msc
Mechanical Engineer
Home Personal, Communication Sector
Imaging Division
STMicroelectronics (R&D) Ltd
33 Pinkhill
Edinburgh EH12 7BF
United Kingdom
Tel: +44 (0)131 336 6165
Fax: + 44 (0)131 336 6001
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