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<td WIDTH="100%" BGCOLOR="#0000ff"><p ALIGN="RIGHT">&nbsp;<font COLOR="#ffffff"
FACE="Verdana" size="2"><b> (animated) INTERDIGITATED MICROSENSOR ELECTRODE</b></font><sup><font
face="Verdana" size="1">TM</font></sup><b><font COLOR="#ffffff" FACE="Verdana" size="2">
PROBES (IME PROBES)<br>
</font><small><font face="Verdana" color="#00FFFF">(Microfrabricated Inerdigitated
Electrode Arrays (IDAs))</font></small></b></td>
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<td width="42%"><p align="center"><img src="gifs/IME-probe-animation.gif" width="375"
height="300" alt="IME-probe-animation.gif (170240 bytes)"></td>
<td BGCOLOR="#e2ebf3" WIDTH="58%"><p align="center"><font FACE="Verdana,Arial" size="+1"><u>IME
Probes</u></font></p>
<blockquote>
<p><small><font face="Verdana,Arial">The graphic to the left illustrates the high level
packaging of IMEs to allow then to be used as probes.</font></small><ol>
<li><small><font face="Verdana">A 1.0 cm wide x 6.5 cm long printed circuit board (PCB) has
been fabricated to extend the leads of the IME.</font></small></li>
<li><small><font face="Verdana">The IME chip is bonded to the chip seat ledge of the PCB.</font></small></li>
<li><small><font face="Verdana">Highly conductive Ag-epoxy paste is used to establish
electrical contact between the PCB and the IME chip bonding pads.</font></small></li>
<li><small><font face="Verdana">Pin-headers are placed on the distal end of the PCB.</font></small></li>
<li><small><font face="Verdana">An encapsulating shroud of epoxy-lined PTFE is heat-shrunk
around the PCB and the bonding pad region is encapsulated in a chemically resistant, high
performance epoxy.</font></small></li>
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<p>&nbsp;</p>
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<p align="center"></font><font FACE="Verdana,Arial" size="1">Last Revision 08/12/01; (c)
2000-2001 ABTECH Scientific, Inc.</font></p>
<p align="center"><font FACE="Verdana,Arial" size="1"><b>Contact: Ann M. Wilson, </b>Manager,
<br>
Applications Development ABTECH Scientific, Inc.<br>
911 East Leigh Street G24, Richmond, Virginia 23219<br>
Telephone Number: +1-804-783-7829 Fax Number: +1-804-783-7830<br>
e-mail: <a HREF="mailto:abtech@abtechsci.com">abtech@abtechsci.com</a></font></p>
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