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<title><![CDATA[EC21 Product Catalogs - epi]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/epi--100305/1/epi.html]]></link><item>
<title><![CDATA[Bulk GaN Substrates]]></title><link><![CDATA[https://sapphiresbstrate.en.ec21.com/Bulk_GaN_Substrates--10457818_10458266.html]]></link><description><![CDATA[Surface: Ra &lt; 0.2nm. Epi-ready polished 
Back Surface: Fine ground
Cleaning/packaging
Packaged in a class 100 clean room environment, in single wafer containers, under a nitrogen atmosphere.
]]></description><pubDate><![CDATA[20170706]]></pubDate></item>
<item>
<title><![CDATA[R/M/A-plane Sapphire Wafers]]></title><link><![CDATA[https://mandychina2010.en.ec21.com/R_M_A_plane_Sapphire--8925205_8925223.html]]></link><description><![CDATA[Epi-polished, Ra &lt; 0.3 nm (by AFM)
Back Surface
Fine-ground, Ra =0.8 um - 1.2 um
Epi-polished, Ra &lt; 0.3 nm (by AFM)
TTV
&amp;le; 10 &amp;mu;m
&amp;le; 20 &amp;mu;m
LTV
&amp;le; 10 &amp;mu;m
&amp;le; 20 &amp;mu;m
BOW
- 10 ~ 0 &amp;mu;m
]]></description><pubDate><![CDATA[20150126]]></pubDate></item>

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