<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<meta name="Generator" content="Microsoft Word 14 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"Trebuchet MS";
panose-1:2 11 6 3 2 2 2 2 2 4;}
@font-face
{font-family:"Microsoft Sans Serif";
panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
{font-family:"Minion Pro";}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoPlainText, li.MsoPlainText, div.MsoPlainText
{mso-style-priority:99;
mso-style-link:"Plain Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.PlainTextChar
{mso-style-name:"Plain Text Char";
mso-style-priority:99;
mso-style-link:"Plain Text";
font-family:"Calibri","sans-serif";}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoPlainText">Good Morning Bill,<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">We currently have a dedicated station with as SS KOH tank but we still have many researchers that want to set up their own station for their own flavor of KOH etch. As you know, sometimes these etches can take a long time so it ties
up valuable bench space. Having done much KOH etching myself, I empathize.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">I hope to change strategies as soon as the opportunity and funding permits. It will be a hybrid of the two approaches. I hope to have a custom bench built to hold 2 -3 specially designed stations, each equipped with quartz beakers
(various beaker sizes variable) on a stirring hotplate with a nicely sealed water cooled reflux lid with a thermometer (or TC) well, excellent lighting and good visibility of the sample during the etch, maybe even a camera. <o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><b>Most frequent complaints with our current bench are:<o:p></o:p></b></p>
<p class="MsoPlainText">Not enough user capacity so need more than one.<o:p></o:p></p>
<p class="MsoPlainText">Variability in water content despite the refux coils.<o:p></o:p></p>
<p class="MsoPlainText">Uncertainty over what the previous user may have done to the bath.<o:p></o:p></p>
<p class="MsoPlainText">Can’t use it for custom mixtures. It takes too long a needs to be cooled, drained, remixed for the next user.<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Vince<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif"">Vincent K. Luciani<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif"">NanoFab Manager<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif""><a href="http://www.cnst.nist.gov/"><span style="color:blue">Center for Nanoscale Science and Technology</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif"">National Institute of Standards and Technology<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif"">100 Bureau Drive, MS 6201<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif"">Gaithersburg, MD 20899-6200 USA<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Microsoft Sans Serif","sans-serif"">+1-301-975-2886<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Minion Pro""><img border="0" width="150" height="29" id="Picture_x0020_1" src="cid:image001.jpg@01CEFA36.B24C83E0" alt="Description: CNST Horztl Color logo"></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Trebuchet MS","sans-serif""><o:p> </o:p></span></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">-----Original Message-----<br>
From: labnetwork-bounces@mtl.mit.edu [mailto:labnetwork-bounces@mtl.mit.edu] On Behalf Of Bill Flounders<br>
Sent: Friday, December 13, 2013 10:01 PM<br>
To: labnetwork@mtl.mit.edu<br>
Subject: [labnetwork] KOH</p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">All,<o:p></o:p></p>
<p class="MsoPlainText">Thank you for the many responses.<o:p></o:p></p>
<p class="MsoPlainText">Almost all have dedicated stations<o:p></o:p></p>
<p class="MsoPlainText">and standard recipes but only one<o:p></o:p></p>
<p class="MsoPlainText">had a prepared bath (which idles at room temp) and then is heated when needed.<o:p></o:p></p>
<p class="MsoPlainText">Sincerely,<o:p></o:p></p>
<p class="MsoPlainText">Bill<o:p></o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">_______________________________________________<o:p></o:p></p>
<p class="MsoPlainText">labnetwork mailing list<o:p></o:p></p>
<p class="MsoPlainText"><a href="mailto:labnetwork@mtl.mit.edu"><span style="color:windowtext;text-decoration:none">labnetwork@mtl.mit.edu</span></a><o:p></o:p></p>
<p class="MsoPlainText"><a href="https://www-mtl.mit.edu/mailman/listinfo.cgi/labnetwork"><span style="color:windowtext;text-decoration:none">https://www-mtl.mit.edu/mailman/listinfo.cgi/labnetwork</span></a><o:p></o:p></p>
</div>
</body>
</html>