<div dir="ltr">Dear Paolo,<div><br></div><div>Thank you very much for sharing your experience. Could you please let me know what does IPA mean in this case?</div><div><br></div><div>Thanks,</div><div><br></div><div>Zongli</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 2, 2024 at 3:10 PM Paolo Swuec <<a href="mailto:paolo.swuec@gmail.com">paolo.swuec@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">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. <br>
<br>
Paolo<br>
<br>
> Il giorno 2 feb 2024, alle ore 20:20, Zongli Li <<a href="mailto:zongli.li@gmail.com" target="_blank">zongli.li@gmail.com</a>> ha scritto:<br>
> <br>
> <br>
> Dear colleagues,<br>
> <br>
> 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>
> <br>
> Thank you,<br>
> <br>
> Best regards,<br>
> <br>
> Zongli<br>
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