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<title><![CDATA[EC21 Product Catalogs - tinning pcbs]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/tinning_pcbs--10120399/1/tinning pcbs.html]]></link><item>
<title><![CDATA[PCB - Double Sided]]></title><link><![CDATA[https://ckmo1018.en.ec21.com/PCB_Double_Sided--12069932_12069953.html]]></link><description><![CDATA[PCBs. A double-sided PCB is a PCB structure that places circuits on both the top and bottom surfaces, offering higher circuit density and design flexibility than single-sided PCBs.
Specifications
Bas]]></description><pubDate><![CDATA[20260411]]></pubDate></item>
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<title><![CDATA[China OEM/ODM PCBA Experts in Customized Electronics Motherboards Assembly Inverter LED PCB SMT PCBA]]></title><link><![CDATA[https://sncpcb.en.ec21.com/China_OEM_ODM_PCBA_Experts--11979593_11981134.html]]></link><description><![CDATA[PCB material.Q4: What files should we provide for a customized order? A4: If only need PCBs, the Gerber files are needed; If need PCBA, both Gerber files and BOM are needed;If need PCB design,all req]]></description><pubDate><![CDATA[20240806]]></pubDate></item>
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<title><![CDATA[Flexible PCB]]></title><link><![CDATA[https://pcbmain68.en.ec21.com/Flexible_PCB--11046819_11046828.html]]></link><description><![CDATA[What is Flexible PCB
?
Flexible printed circuit boards
, also called Flexible PCBs or Flex PCBs, derive their name for their ability to enable the circuitry to be designed to fit the electronic devic]]></description><pubDate><![CDATA[20240606]]></pubDate></item>
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<title><![CDATA[PCB Surface]]></title><link><![CDATA[https://greenstone23.en.ec21.com/PCB_Surface--11778431_11778453.html]]></link><description><![CDATA[pcb treatment technologies which GreensTone may use when manufacturing PCBs are HASL(hot air solder leveling), organic coating (OSP), electroless nickel/gold, immersion silver, immersion gold, etc.
T]]></description><pubDate><![CDATA[20230428]]></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[PCB assembly manufacturing
has an inner layer line and an outer layer line, and uses a process such as drilling and metallization in the hole to connect the inside of each layer. HDI boards are gener]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[Flexible PCB]]></title><link><![CDATA[https://tendtronic.en.ec21.com/Flexible_PCB--9385605_9497811.html]]></link><description><![CDATA[PCB, NPTH Double-Sided PCB, Flexible PCB(FPC), Multilayer PCB(1~20 Layers) Aluminium PCB 
The main surface finish includes HASL, gold plating, immersion gold, immersion silver, immersion tin, OSP. 
S]]></description><pubDate><![CDATA[20150505]]></pubDate></item>

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