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<title><![CDATA[EC21 Product Catalogs - copper mask]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/copper_mask--10120301/1/copper mask.html]]></link><item>
<title><![CDATA[Digital Craft Rotary Drilling Rig Machine PCB Fabrication and Manufacturing]]></title><link><![CDATA[https://pcbdesign12.en.ec21.com/Digital_Craft_Rotary_Drilling_Rig--10035716_10035717.html]]></link><description><![CDATA[copper, Impedance board, HDI, HF board, Aluminum, FPC, Rigid Flex PCB
PCB Basic Material Brand
HF: Rogers, Taconic 
HTG: S1000-2M, Lianmao IT180A
Solder Mask: Taiyo PSR-2000/4000 Series
Surface Treat]]></description><pubDate><![CDATA[20250401]]></pubDate></item>
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<title><![CDATA[Flexible PCB Solutions for Consumer and Industrial Applications]]></title><link><![CDATA[https://sncpcb.en.ec21.com/Flexible_PCB_Solutions_for_Consumer--11979593_12044712.html]]></link><description><![CDATA[Copper Thickness17um--175umDrilling Hole(Mechanical)0.15mm--6.35mmFinish Hole(Mechanical)0.10mm-6.30mmDiameter Tolerance(Mechanical)0.05mmRegistration(Mechanical)0.075mmAspect Ratio16:1Solder Mask Ty]]></description><pubDate><![CDATA[20250223]]></pubDate></item>
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<title><![CDATA[22Layer RF PCB]]></title><link><![CDATA[https://hontec1.en.ec21.com/22Layer_RF_PCB--11597809_11597810.html]]></link><description><![CDATA[Copper Thickness: 1oz Board Thickness: 2.45mm
Min. Hole Size: 0.1mm Min. Line Width: 3mil Min. Line Spacing: 3mil
Surface Finishing: ENIG
Number of layers: 22L PCB Standard: IPC-A-600
Solder Mask: Gr]]></description><pubDate><![CDATA[20220706]]></pubDate></item>
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<title><![CDATA[OEM FR4 Manufacturer PCB 2 Layer PCB Circuit Board PCBA Supply Service]]></title><link><![CDATA[https://cesgatepcbec21.en.ec21.com/OEM_FR4_Manufacturer_PCB_2--11155667_11237225.html]]></link><description><![CDATA[copper thickness:1-6OZPCB Standard:IPC-A-610 DHole tolerance:PTH: ±3mil, NTPH: ±2milImpedence Control Tolerance:±5%OEM/ ODM Service:One-stop turnkey ServiceChina:Micro SD Card PCBSolder Mask Color]]></description><pubDate><![CDATA[20200821]]></pubDate></item>
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<title><![CDATA[Rogers TMM6 Microwave Printed Circuit Board 20mil 50mil 75mil DK6.0 RF PCB with Immersion Gold]]></title><link><![CDATA[https://bcco.en.ec21.com/Rogers_TMM6_Microwave_Printed_Circuit--10882619_11070370.html]]></link><description><![CDATA[mask:
Green, Black, Blue, Yellow, Red etc.
Surface finish:
Bare copper, HASL, ENIG, OSP, Immersion tin, Immersion silver, Pure gold plated etc..
Why Choose Us?
1.ISO9001, ISO14001, IATF16949, ISO1348]]></description><pubDate><![CDATA[20230113]]></pubDate></item>
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<title><![CDATA[2 Layers Enig PCB]]></title><link><![CDATA[https://rcypcb.en.ec21.com/2_Layers_Enig_PCB--5377851_5378542.html]]></link><description><![CDATA[Layers: 2
Material: FR-4
Solder mask color: Black
Copper thickness: 1oz
Board thickness: 0.2mm
Surface finish: Immersion gold 
Packing: vacuum
Min. drilled hole size: 0.2mm
Certificate: UL, ISO 9001,]]></description><pubDate><![CDATA[20130506]]></pubDate></item>

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