<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi Rick. We were also seeing fluctuations in our C4F8 flow at the tool. We mitigated this by adding a regulator at the cylinder, set to ~8 psig (we were previously running the line at cylinder pressure, with no regulator at all). We encountered no need for line or cylinder heating/cooling/insulation. Our gas cabinet room seems to maintain pretty good temperature control.<div><br></div><div>--Mike</div><div><br></div><div><br><div><div>On Jul 17, 2014, at 8:42 AM, Morrison, Richard H., Jr. <<a href="mailto:rmorrison@draper.com">rmorrison@draper.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Hi,<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">My gas room has no temperature control and I am having delivery problems with C4F8 tank. I have a Tescom-100 regulator on the bottle (part of a gas panel 6+ years old). My question is should I wrap the tank with a blanket to keep it constant temperature? I have this issue when there are large temperature swings outside my gas room is 70F +-8F<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Is the regulator I am using the proper one? Any suggestions are welcome.<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><br>Rick<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Draper Laboratory<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Principal Member of the Technical Staff<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Group Leader Microfabrication Operations<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">555 Technology Square<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">Cambridge Ma, 02139-3563<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p> </o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><a href="http://www.draper.com/" style="color: purple; text-decoration: underline;">www.draper.com</a><o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><a href="mailto:rmorrison@draper.com" style="color: purple; text-decoration: underline;">rmorrison@draper.com</a><o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">W 617-258-3420<o:p></o:p></div><div style="margin: 0in 0in 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;">C 508-930-3461<br><o:p></o:p></div></div></div></blockquote><br></div><div><br></div></div><div apple-content-edited="true">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">-- <br><font face="Consolas"><span style="font-size: 11px;">Michael P. Young (574) 631-3268 (office)<br>Nanofabrication Specialist (574) 631-4393 (fax)<br>Department of Electrical Engineering (765) 412-6728 (cell)<br>University of Notre Dame <a href="mailto:mike.young@nd.edu">mike.young@nd.edu</a><br>B-38 Stinson-Remick Hall<br>Notre Dame, IN 46556-5637</span></font><br><br><br><br><br><br></div></div>
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