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<title><![CDATA[EC21 Product Catalogs - pcb surface finish]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/pcb_surface_finish--10120301/1/pcb surface finish.html]]></link><item>
<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[Mini.Solder Mask Width0.075mmMini. Solder Mask Clearance0.05mmPlug Hole Diameter0.25mm--0.60mmImpedance control Tolerance±10%Surface finish/treatmentHASL,ENIG,Chem,Tin,Flash Gold, OSP, Gold Finger
]]></description><pubDate><![CDATA[20250223]]></pubDate></item>
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<title><![CDATA[Double-Sided PCB Other New Energy PCB PCBA Board Printed Circuit Boards Assembly]]></title><link><![CDATA[https://ucreatepcb123.en.ec21.com/Double_Sided_PCB_Other_New--11786568_11802758.html]]></link><description><![CDATA[Surface finish
OSP，HASL，Imm Gold/Nickel/Ag， Electric gold
Copper thickness
0.5-7.0OZ
Soldermask
Green/Yellow/Black/White/Red/Blue 
Silkscreen
Red/Yellow/Black/White
Min PAD
5mil(0.13mm)
Inter p]]></description><pubDate><![CDATA[20230606]]></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[PCB size:
≤400mm X 500mm
Solder 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.ISO]]></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[Surface finish: Immersion gold 
Packing: vacuum
Min. drilled hole size: 0.2mm
Certificate: UL, ISO 9001, ISO 14000, TS16949, RoHS
Our strong points
&amp;bull;2 to 16 layers PCB manufacturing
&amp;bull;No MOQ]]></description><pubDate><![CDATA[20130506]]></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[PCB
Base Material: TUC
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: IP]]></description><pubDate><![CDATA[20220706]]></pubDate></item>

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