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<title><![CDATA[EC21 Product Catalogs - doulbe side etching]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/doulbe_side_etching--2673/1/doulbe side etching.html]]></link><item>
<title><![CDATA[Selective Etching]]></title><link><![CDATA[https://walthysales320.en.ec21.com/Selective_Etching--10655283_10655621.html]]></link><description><![CDATA[line width and pitch could be 20~30um, in some material we could achieve less than 10um
The layer thcikness could be 10nm~10um
And we recently succeed in doulbe side etching of different patterns
]]></description><pubDate><![CDATA[20250202]]></pubDate></item>

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