AGERE SYSTEMS INC
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<TYPE>EX-10
<SEQUENCE>4
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     <TITLE>Exhibit 10.10</TITLE>
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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2><U>TERMINATION AGREEMENT</U></FONT></H1>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Agere Systems Inc.
(&#147;Agere&#148;) and Lucent Technologies Inc. (&#147;Lucent&#148;) are
parties to a Joint Design Center Operating Agreement dated as of February 1,
2001, relating to Micro Electro Mechanical Systems (&#147;MEMS&#148;). An
important element in the success of the activities performed under that
Agreement is the operation of Agere&#146;s SFRL facility located in
Lucent&#146;s Murray Hill offices. </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>In view of changes
contemplated with respect to the future operation of the SFRL facility in Murray
Hill, Agere and Lucent have agreed that the arrangements set forth in the Joint
Design Center Operating Agreement will be difficult to implement. </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Agere and Lucent further
agree that it is desirable to continue certain development activities related to
optical MEMS, and that those activities should be governed by individually
negotiated development agreements (including joint development agreements where
appropriate) specific to each development activity. </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>In view of the foregoing,
Agere and Lucent hereby agree, pursuant to Section 15.1(i) of the Joint Design
Center Operating Agreement, to terminate that Agreement effective June 30, 2002.
Article 15 of the Agreement shall govern the rights and obligations of the
parties in connection with the termination of the Agreement. </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Notwithstanding anything
above to the contrary and so that Parties may act with a common understanding,
the Parties hereto acknowledge that the equipment currently located in the SFRL
facility in Murray Hill may play a critical role in the future operations of
such SFRL facility, currently under discussion amongst the Parties and others.
To that end, Agere and Lucent agree that the rights and obligations in Section
9.5(ii) of Joint Design Center Operating Agreement shall survive the termination
of such Agreement. </FONT></P>


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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B>AGERE SYSTEMS INC.</B><BR><BR><BR>
By: /s/ GERARD DEBLASI<BR>
&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;Gerard deBlasi<BR>
&nbsp;&nbsp;&nbsp;&nbsp;Vice President</FONT></P>


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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Date: <U>March 29, 2002</U></FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B>LUCENT TECHNOLOGIES INC.</B><BR><BR><BR>
By: /s/ FEDERICO CAPASSO<BR>
&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;&#151;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Federico Capasso<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Physical Research VP</FONT></P>


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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Date: <U>March 29, 2002</U></FONT></P>

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