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<title><![CDATA[EC21 Product Catalogs - metal etching copper]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/metal_etching_copper--10120399/1/metal etching copper.html]]></link><item>
<title><![CDATA[Aluminum Printed Circuit Board]]></title><link><![CDATA[https://pcbmain68.en.ec21.com/Aluminum_Printed_Circuit_Board--11046819_11248728.html]]></link><description><![CDATA[metal base and a copper foil. The copper foil is etched into the desired circuit pattern and the metal base draws heat away from this circuit through the thin dielectric. 
Operating theory:
The power]]></description><pubDate><![CDATA[20240606]]></pubDate></item>

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