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I believe it is isopropyl alcohol (also called isopropanol).<br class="">
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Guillaume</div>
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<div class="">On 2 Feb 2024, at 21:16, Zongli Li <<a href="mailto:zongli.li@gmail.com" class="">zongli.li@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">Dear Paolo,
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<div class="">Thank you very much for sharing your experience. Could you please let me know what does IPA mean in this case?</div>
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<div class="">Thanks,</div>
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<div class="">Zongli</div>
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<div dir="ltr" class="gmail_attr">On Fri, Feb 2, 2024 at 3:10 PM Paolo Swuec <<a href="mailto:paolo.swuec@gmail.com" class="">paolo.swuec@gmail.com</a>> wrote:<br class="">
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IPA and a brush will do the trick! Rinse well with DDI water and dry properly, we have never have issue cleaning like this and they go back to native state.
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Paolo<br class="">
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> Il giorno 2 feb 2024, alle ore 20:20, Zongli Li <<a href="mailto:zongli.li@gmail.com" target="_blank" class="">zongli.li@gmail.com</a>> ha scritto:<br class="">
> <br class="">
> <br class="">
> Dear colleagues,<br class="">
> <br class="">
> After many times uses with multiple sputter coatings and GIS depositions, our 35/45 degree pre-tilt specimen shutters became very dirty and do not hold the auto-grids well. We are asking communities for ways to clean them up or restore their functionality.
Any ideas or recommendations would be highly appreciated.<br class="">
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> Thank you,<br class="">
> <br class="">
> Best regards,<br class="">
> <br class="">
> Zongli<br class="">
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