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<title><![CDATA[EC21 Product Catalogs - copper stack]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/copper_stack--10120399/1/copper stack.html]]></link><item>
<title><![CDATA[PCB - Hdi]]></title><link><![CDATA[https://ckmo1018.en.ec21.com/PCB_Hdi--12069932_12069957.html]]></link><description><![CDATA[stack-up
Thinner for better bending performance, thicker for better rigidity
Copper Type &amp; Weight
• RA Copper (Rolled Copper): Required for Flex Areas, Recommended
• ED Copper (Electrolytic Coppe]]></description><pubDate><![CDATA[20260411]]></pubDate></item>
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<title><![CDATA[Rigid PCB Capability]]></title><link><![CDATA[https://bgpcba.en.ec21.com/Rigid_PCB_Capability--11935225_11935295.html]]></link><description><![CDATA[stacking, drilling, copper patterning, solder mask application, and surface finishing. They should also be able to meet industry standards and quality requirements, ensuring that the final product pe]]></description><pubDate><![CDATA[20240512]]></pubDate></item>
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<title><![CDATA[Fast Supply Electric Circuit Board Assembly Manufacturer]]></title><link><![CDATA[https://cttpcb.en.ec21.com/Fast_Supply_Electric_Circuit_Board--10919275_11050449.html]]></link><description><![CDATA[stacked, the higher technical grade of the board is. The common HDI boards are basically one-time laminated, high-grade HDI uses two or more layers of technology. Meanwhile it adopts advanced PCB tec]]></description><pubDate><![CDATA[20231206]]></pubDate></item>

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