<div dir="ltr">I have had to cut through a honeycomb wall like that. Once I had the opening I needed I used a large piece of tubing to insulate the opening.<div>I got 2 or 3 inch OD soft plastic tubing and cut a longways slit in it and fitted it around the opening.</div><div>This would make it safe to reach through. You could also use silicone to seal it and hold it in place.</div><div><br></div><div>Jim</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jul 15, 2022 at 7:54 AM Kevin M McPeak <<a href="mailto:kmcpeak@lsu.edu">kmcpeak@lsu.edu</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">Dear Colleagues,<br>
<br>
Over the past year and a half, the LSU nanofabrication facility has constructed a plasma-enhanced ALD tool with much advice from Scott Butcher at MEAglow. See photos of the tool here: <a href="https://photos.app.goo.gl/iBMRZnYfKJmJBQtKA" rel="noreferrer" target="_blank">https://photos.app.goo.gl/iBMRZnYfKJmJBQtKA</a><br>
<br>
Our current plan is to house the tool outside the cleanroom and have the heated/insulated door stick through a hole in the cleanroom wall (1/2" thick Al honeycomb), see photos.<br>
<br>
We are looking for ideas on the best way to seal the hole in the wall around the jacket. We are thinking of cutting the wall larger than the jacket diameter and then fabricating a large rubber grommet around the jacket. Hopefully, some of you have tools with these kinds of seals and can provide first-hand experience or even sources for the materials.<br>
<br>
The reactor body is built from a MDC 8" Tee (<a href="https://www.mdcprecision.com/404041-tee-8-inchflange" rel="noreferrer" target="_blank">https://www.mdcprecision.com/404041-tee-8-inchflange</a>) with a 3/4" thick heated jacket wrapped around it. The maximum external temperature of the jacket is 129 F (touch safe). <br>
<br>
Thanks for your input in advance!<br>
<br>
Regards,<br>
Kevin<br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><span style="font-size:12.8px"><font face="verdana, sans-serif" color="#000000"><b>Thank you, Jim</b></font></span></div><div dir="ltr"><span style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i><b><br></b></i></font></span></div><div dir="ltr"><span style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i><b>James Mitchell</b></i></font></span><div style="font-size:12.8px"><font color="#990000"><span style="font-size:12px;background-color:rgb(248,248,248)"><i><font face="verdana, sans-serif"><b>Specialty Trades Technician</b></font></i></span></font></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i>Dept. of Electrical and Computer Engineering</i></font></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000" style="letter-spacing:0.2px"><i><b>North Carolina State University</b> Nanofabrication Facility (NNF)</i></font></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000" style="letter-spacing:0.2px"><i>MRC RM243A </i></font><font color="#990000" face="verdana, sans-serif" style="letter-spacing:0.2px"><i>Box 7911</i></font><font face="verdana, sans-serif" color="#990000"><i><br></i></font></div><div style="font-size:12.8px"><font color="#990000" face="verdana, sans-serif" style="letter-spacing:0.2px"><i>2410 Campus Shore Dr., Raleigh, NC 27606</i></font></div><div style="font-size:12.8px"><a href="mailto:jtmitch5@ncsu.edu" target="_blank"><font face="verdana, sans-serif" color="#990000"><i>jtmitch5@ncsu.edu</i></font></a></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i>Desk: 919-515-5394</i></font></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i>Cell: 919-717-7325</i></font></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i><br></i></font></div><div style="font-size:12.8px"><font face="verdana, sans-serif" color="#990000"><i><img width="200" height="112" src="https://ci3.googleusercontent.com/mail-sig/AIorK4wxLimwB_5St7qZJC8ne2SVIfepiREdVM9XtpAnKWtUlUmQ9JVfMo0BrekxVWi9XiOexJNuruk"><br></i></font></div></div></div></div></div></div></div></div></div>