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Hello Youry,<br>
<br>
1. We leave the lamp on all the time<br>
2. Change the lamp when it drops to about 2.2mW/cm^2, using 365nm meter<br>
3. Change about every six months or so.<br>
<br>
New lamp is about 3.2mW/cm^2<br>
<br>
Kind Regards,<br>
<br>
Matthias Pleil, Ph.D.<br>
Research Professor & Lecturer III of Mech. Eng - UNM<br>
UNM MTTC Cleanroom Manager<br>
PI - Southwest Center for Microsystems Education, Support Center for Microsystems Education<br>
scme-nm.org, scme-support.org<br>
(505)272-7157<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> labnetwork-bounces@mtl.mit.edu <labnetwork-bounces@mtl.mit.edu> on behalf of Youry Borisenkov <yb2471@columbia.edu><br>
<b>Sent:</b> Friday, July 5, 2019 9:58:44 AM<br>
<b>To:</b> labnetwork@mtl.mit.edu<br>
<b>Subject:</b> [labnetwork] MA6 lamp life</font>
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<p class="x_MsoNormal">HI Everyone,<u></u><u></u></p>
<p class="x_MsoNormal"><u></u> <u></u></p>
<p class="x_MsoNormal">I have 3 quick questions about your policy for changing the UV-lamp on the MA6 (Karl Suss) mask aligners. </p>
<p class="x_MsoNormal">1. do you turn off the UV - power supply during nights and weekends? or just leave it on?</p>
<p class="x_MsoNormal">2. do you change the UV lamp on a regular basis (after 1 month or so)? or you monitor it's power and have a lower limit before you decide to change it? or you just wait for it to fail and then change it?</p>
<p class="x_MsoNormal">3. how often do you change the lamp?</p>
<p class="x_MsoNormal"><br>
</p>
<p class="x_MsoNormal">Thanks and Happy July 4<sup>th</sup><br>
</p>
<p class="x_MsoNormal"><u></u></p>
<p class="x_MsoNormal"><u></u>Youry</p>
<p class="x_MsoNormal"><br>
</p>
<p class="x_MsoNormal">P.S.</p>
<p class="x_MsoNormal">You can use this template to reply):</p>
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1-<span style="font-variant-numeric:normal; font-variant-east-asian:normal; font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span><span dir="LTR"></span>Off/On</p>
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2-<span style="font-variant-numeric:normal; font-variant-east-asian:normal; font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span><span dir="LTR"></span>Change every ___ / wait for the power to decrease by ___ % / wait for it to fail</p>
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<p class="x_gmail-MsoListParagraphCxSpLast" style="margin:0in 0in 0.0001pt 0.5in; line-height:normal; font-size:11pt; font-family:Calibri,sans-serif">
3-<span style="font-variant-numeric:normal; font-variant-east-asian:normal; font-stretch:normal; font-size:7pt; line-height:normal; font-family:"Times New Roman"">
</span><span dir="LTR"></span>Every ___ month</p>
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<p class="x_MsoNormal"><br>
</p>
<p class="x_MsoNormal">Youry Borisenkov, Ph.D.</p>
<p class="x_MsoNormal">Process Engineer at CNI Shared Labs</p>
<p class="x_MsoNormal"><u></u></p>
CEPSR/MC 8903<br>
530 west 120th st. NY<br>
NY 10027<br>
<p class="x_MsoNormal">Work 212-851-5688<u></u></p>
<p class="x_MsoNormal">Cell 646-592-1514</p>
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