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<div>Hi Nava, we have the same system and noted similar at times but never that severe.</div>
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<div>It may be the pathway to your process chamber is blocked - the parylene vaporizes, has no place to go and deposits right there. To check this shine a flashlight into the chamber where you normally load the dimer. At the process chamber, pull the flute
out and look down - can you see the light? If not, or if the tubing seems much less than ~1" in diameter you have to clean out the accumulated parylene layers. You'll need a stiff wire brush long enough to reach all the way down. Also a vacuum - cleaning this
will create a big, flaky mess.</div>
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<div>jim<br>
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<div id="divRpF489079" style="direction: ltr;"><font size="2" face="Tahoma" color="#000000"><b>From:</b> labnetwork-bounces@mtl.mit.edu [labnetwork-bounces@mtl.mit.edu] on behalf of Nava Ariel-Sternberg [na2661@columbia.edu]<br>
<b>Sent:</b> Friday, September 13, 2019 1:09 PM<br>
<b>To:</b> labnetwork@mtl.mit.edu<br>
<b>Subject:</b> [labnetwork] Issues with the Parylene Coater<br>
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<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Greetings all wise fab-yodas,
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<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">We have an old SCS LABCOTER® 2 PARYLENE DEPOSITION SYSTEM that has been working great until recently. We are now experiencing problems with it. The deposition
is occurring on the back door of the furnace (see picture) and not on the sample…</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Has anyone seen this? It seems like a temperature issue but if someone experienced it and share advice and specifics that would be greatly appreicated.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Thanks,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Nava</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"><img id="_x0000_i1032" src="cid:image001.jpg@01D56A33.4A8D53B0" alt="IMG_8837.jpg" style="width:5.6458in; height:4.2395in" width="542" height="407"></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Nava Ariel-Sternberg, Ph.D.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Director of CNI Shared Labs</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">CEPSR/MC 8903
</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">530 west 120<sup>th</sup> st. NY</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">NY 10027</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Office: 212-8549927</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Cell: 201-5627600</span></p>
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