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<title><![CDATA[EC21 Product Catalogs - copper silver]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/copper_silver--10120399/1/copper silver.html]]></link><item>
<title><![CDATA[PCB - Hdi]]></title><link><![CDATA[https://ckmo1018.en.ec21.com/PCB_Hdi--12069932_12069957.html]]></link><description><![CDATA[Copper Type &amp; Weight
• RA Copper (Rolled Copper): Required for Flex Areas, Recommended
• ED Copper (Electrolytic Copper): General for Rigid Areas
• Thickness: 0.5 to 1 oz (Flex), Up to 2 oz (Ri]]></description><pubDate><![CDATA[20260411]]></pubDate></item>
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<title><![CDATA[China PCB Factory Electronic Circuit Board Assembly HASL Lead Free PCB Assembly Service PCBA]]></title><link><![CDATA[https://xubo783156718.en.ec21.com/China_PCB_Factory_Electronic_Circuit--11984085_12004964.html]]></link><description><![CDATA[Copper Thickness
0.5 OZ-3OZ (18 um-385 um)
Copper Plating hole
18um-30um
Min Trace Width
0.075mm (3mil)
Min Space Width 
0.1mm (4 mil)
Surface finish
HASL, LF HASL, Imm Gold, Imm Silver, OSP etc
Sold]]></description><pubDate><![CDATA[20240914]]></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[Silver/Gold,Osp,Gold PlatingCopper thickness 1/2OZ 1OZ 2OZ 3OZSolder mask color green/black/white/red/blue/yellowInner packing Vacuum packing,Plastic bagOuter packing Standard carton packingHole tole]]></description><pubDate><![CDATA[20240806]]></pubDate></item>
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<title><![CDATA[PCB Surface Finish]]></title><link><![CDATA[https://bgpcba.en.ec21.com/PCB_Surface_Finish--11935225_11935292.html]]></link><description><![CDATA[copper traces on the PCB, guarding against oxidation, corrosion, and environmental factors.
There are various surface finish options available, each offering distinct advantages based on the specific]]></description><pubDate><![CDATA[20240512]]></pubDate></item>
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<title><![CDATA[CEM-3 Electronic SMT PCB Assembly with OSP Surface Finish 2oz Copper Thickness]]></title><link><![CDATA[https://smtpcbaassemblycom.en.ec21.com/CEM_3_Electronic_SMT_PCB--11887216_11887217.html]]></link><description><![CDATA[Silver, Immersion TinProduct Type: Electronic PCB AssemblyMax. Board Size: 500mm*500mmMaterial: FR-4, FR-1, CEM-1, CEM-3, AluminumCopper Thickness: 1/2oz, 1oz, 2oz, 3oz, 4ozElectronic Parts and Compo]]></description><pubDate><![CDATA[20240112]]></pubDate></item>
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<title><![CDATA[Smart Electronics PCBA Prototype PCB Assembly Manufacturing Customized Printed Circuit Board]]></title><link><![CDATA[https://ruomeipcb02.en.ec21.com/Smart_Electronics_PCBA_Prototype_PCB--11819316_11819378.html]]></link><description><![CDATA[LayersFrom single-sided to 12+ layersCopper Thickness 0.5-6 OZMaterial FR4 (Shengyi China, ITEQ, KB A+, HZ), HI-TG, FR06, Rogers, Taconic, Argon, Nalco, Isola and so onSolder Mask green, yellow, whit]]></description><pubDate><![CDATA[20230713]]></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[copper surface,acts as a rust barrier to protect PCB for a long time, which can be useful and achieve excellent electrical performance in the long term use of PCB.
Immersion Silver
Silver impregnatio]]></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[Copper Weight (Finished)
0.5oz - 6.0oz
Min Tracing/Spacing
3mil/2.8mil
Solder Mask Color
Green, White, Blue, Black, Red, Yellow
Silkscreen Color
White, Black, Yellow
Surface Finish
HASL - Hot Air Sol]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[Industrial Computer PCB]]></title><link><![CDATA[https://techighpcb.en.ec21.com/Industrial_Computer_PCB--11812588_11812592.html]]></link><description><![CDATA[copper blocks, etc.Now key parameters of our company processed products are as follows:
Layer
4L
Copper thickness
Inner 1OZ,outer 1OZ
Surface treatment
Immersion silver
3.Product Feature And Applicat]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[MCPCB Manufacturing for LED Products]]></title><link><![CDATA[https://abiscircuits.en.ec21.com/MCPCB_Manufacturing_for_LED_Products--10327532_10327540.html]]></link><description><![CDATA[Silver,OSP,gold plating/finger,Carbon ink,Peelable mask
9
Copper thickness
35um-210um(1OZ-6OZ)
10
Hole Position Tolerance
±0.05mm
11
Outline Tolerance 
Routing:±0.15mm,Punching:±0.1mm
12
Remain Th]]></description><pubDate><![CDATA[20200402]]></pubDate></item>

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