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<title><![CDATA[EC21 Product Catalogs - crystal surface]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/crystal_surface--100305/1/crystal surface.html]]></link><item>
<title><![CDATA[Monocrystalline Silicon Wafer]]></title><link><![CDATA[https://czboyan.en.ec21.com/Monocrystalline_Silicon_Wafer--11964559_11964560.html]]></link><description><![CDATA[crystalline Silicon Wafers. The flatness of the wafer refers to how smooth and uniform the surface of the wafer is. High flatness wafers are essential for ensuring the accuracy and reliability of the]]></description><pubDate><![CDATA[20240707]]></pubDate></item>
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<title><![CDATA[Patterned Sapphire Substrates]]></title><link><![CDATA[https://sapphiresbstrate.en.ec21.com/Patterned_Sapphire_Substrates--10457818_10461653.html]]></link><description><![CDATA[Surface
Epiready polished
Back Surface
Fine ground (Ra=0.5 to 1.2 &amp;micro;m), 
Cleaning/packaging
Class 100 clean room cleaning, vacuum packaging derived nitrogen
Note
Sapphire substrates of all kinds]]></description><pubDate><![CDATA[20170710]]></pubDate></item>
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<title><![CDATA[Patterned Sapphire Substrates]]></title><link><![CDATA[https://mandychina2010.en.ec21.com/Patterned_Sapphire_Substrates--8925205_8925260.html]]></link><description><![CDATA[Surface
&amp;le; 2.5 &amp;Aring;
Back Surface
Fine-ground, Ra =0.5 um - 1.3 um
Pattern Bottom Diameter
2.4&amp;plusmn;0.2, 2.5&amp;plusmn;0.2, 2.6&amp;plusmn;0.2 um
2.4&amp;plusmn;0.2, 2.5&amp;plusmn;0.2, 2.6&amp;plusmn;0.2 um
Patt]]></description><pubDate><![CDATA[20150126]]></pubDate></item>
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<title><![CDATA[OEM Etching Wafer,Polished Wafer,Float-Zone Mono-Crystallion Silicon Wafers,CZ Epitaxial Wafer]]></title><link><![CDATA[https://huanaifei.en.ec21.com/OEM_Etching_Wafer_Polished_Wafer--11859710_11859928.html]]></link><description><![CDATA[crystal silicon parts. We also accept small-lot orders for prototyping, research, and other applications.
We supply silicon products processed in a range of shapes and surfaces to meet the needs of o]]></description><pubDate><![CDATA[20231029]]></pubDate></item>

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