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<title><![CDATA[EC21 Product Catalogs - copper finish]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/copper_finish--10120303/1/copper finish.html]]></link><item>
<title><![CDATA[6 Layer PCB with Immersion Gold]]></title><link><![CDATA[https://pcbpcbaseller.en.ec21.com/6_Layer_PCB_with_Immersion--10961296_12051711.html]]></link><description><![CDATA[Copper Thickness
1OZ
Min. Hole Size
8mil (0.2mm)
Min. Line Width/ Spacing
6mil (0.154mm)/5mil (0.125mm)
Solder mask Color
Green
Silkscreen Color
White
Surface Finishing 
ENIG 
Min.Quantity of Order
N]]></description><pubDate><![CDATA[20250324]]></pubDate></item>
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<title><![CDATA[Multilayer PCBs]]></title><link><![CDATA[https://haosens2010.en.ec21.com/Multilayer_PCBs--4624610_4624612.html]]></link><description><![CDATA[Our PCB Technical Specifications:
- Base material: FR4, Aluminum, Ceramic,Rogers, F4BK, F4BT, TP, PF, CEM-1, CEM-3, etc.
- Board thickness: 0.30 to 3.20mm (12 to 126mil)
- Copper thickness: 0.50 to 5]]></description><pubDate><![CDATA[20250220]]></pubDate></item>
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<title><![CDATA[Alumina Ceramic Circuit Board OEM Motherboard Aluminum Nitride Board Circuit-Board Professional Manu]]></title><link><![CDATA[https://sncpcb.en.ec21.com/Alumina_Ceramic_Circuit_Board_OEM--11979593_11981251.html]]></link><description><![CDATA[Copper Thickness0.5-12oz(18-420um)Hole DiameterMin0.05mmMin. Line Spacing0.10mm(4mil)Board Thickness0.2-6mmSolder Mask ColorGreen/Black/White/Red/Blue/YellowMin. Line Width0.10mm(4mil)Max. Finished B]]></description><pubDate><![CDATA[20240806]]></pubDate></item>
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<title><![CDATA[Matt Green Solder Mask Multilayer 12L PCB Board]]></title><link><![CDATA[https://hjl39506147520.en.ec21.com/Matt_Green_Solder_Mask_Multilayer--11890882_11907623.html]]></link><description><![CDATA[Copper Thickness
1/H...H/1OZ 
Min. Hole Size
3mil (0.076mm)
Min. Line Width/ Spacing
3mil (0.076mm)/3mil (0.0.076mm)
Solder mask/ Silkscreen Color
Green/White
Surface Finishing
Gold
Min.Quantity of O]]></description><pubDate><![CDATA[20240229]]></pubDate></item>
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<title><![CDATA[Professional Experience Metal Core PCB Circuit Board Enepig PCB Fabrication Factory]]></title><link><![CDATA[https://2pcbtech.en.ec21.com/Professional_Experience_Metal_Core_PCB--11782526_11782527.html]]></link><description><![CDATA[Single to high-count multilayer in every technological form.
Single Sided PCB
A single-sided PCB, by definition, has a single conductive copper layer which sits on top of a supporting dielectric, typ]]></description><pubDate><![CDATA[20230505]]></pubDate></item>
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<title><![CDATA[8 Layer PCB Circuit Board PCB Manufacturer in China]]></title><link><![CDATA[https://cesgatepcbec21.en.ec21.com/8_Layer_PCB_Circuit_Board--11155667_11281044.html]]></link><description><![CDATA[Number of Layers:8-layerBase Material:FR4Copper Thickness:1ozBoard Thickness:1.6mmMin. Hole Size:0.2mmMin. Line Width:0.1mmMin. Line Spacing:0.1mmSurface Finishing:Immersion goldColor:Green,Blue,Blac]]></description><pubDate><![CDATA[20201024]]></pubDate></item>
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<title><![CDATA[Custom Allegro Electron Board Design and Fabrication PCB Layout Service]]></title><link><![CDATA[https://cttpcb.en.ec21.com/Custom_Allegro_Electron_Board_Design--10919275_11050414.html]]></link><description><![CDATA[Custom allegro electron board design and fabrication pcb layout service
Brand Name: HK CT TECH OEM PCB
Model Number: Double sided, Multilayer pcb
Base Material: FR4,Rogers,Aluminum
Copper Thickness: ]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[Immersion Tin PCB]]></title><link><![CDATA[https://chanyee.en.ec21.com/Immersion_Tin_PCB--11457149_11457153.html]]></link><description><![CDATA[Immersion Tin
PCB 
Product Description
The Immersion Tin
surface finish describes a very thin layer of tin, applied over the copper layer of a PCB
. This method is a Lead-Free PCB alternative that pr]]></description><pubDate><![CDATA[20231124]]></pubDate></item>
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<title><![CDATA[Rogers RT/Duroid 6002 High Frequency PCB]]></title><link><![CDATA[https://bcco.en.ec21.com/Rogers_RT_Duroid_6002_High--10882619_11068393.html]]></link><description><![CDATA[finish: 
Bare copper,
HASL, ENIG, OSP etc..
The
base copper of RT/druoid PCB has 0.5oz, 1oz and 2oz; the thickness of PCB board
is wide, ranging from 5mil to 120mil to be considered by our designers.]]></description><pubDate><![CDATA[20230113]]></pubDate></item>
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<title><![CDATA[8 Layer PCB TG 170 Enig]]></title><link><![CDATA[https://rcypcb.en.ec21.com/8_Layer_PCB_TG_170--5377851_5378393.html]]></link><description><![CDATA[Layers: 8
Material: FR-4 TG170
Solder mask color: Green
Copper thickness: 1oz
Board thickness: 2.0mm
Surface finish: Immersion gold
Packing: vacuum
Min. drilled hole size: 0.5mm
Certificate: UL, ISO ]]></description><pubDate><![CDATA[20130506]]></pubDate></item>
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<title><![CDATA[Lead Free HASL&amp;ENIG Multilayer PCB]]></title><link><![CDATA[https://abiscircuits.en.ec21.com/Lead_Free_HASL_ENIG_Multilayer--10316737_10316784.html]]></link><description><![CDATA[finish/treatment
HASL/HASL lead free,Immersion Gold/Tin/Silver,OSP,gold plating/finger,Carbon ink,Peelable mask
9
Copper thickness
18um-280um(0.5OZ-8OZ)(normally 1OZ)
10
Solder mask color
green/black]]></description><pubDate><![CDATA[20200402]]></pubDate></item>
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<title><![CDATA[White Aluminium PCB]]></title><link><![CDATA[https://mktpcb.en.ec21.com/White_Aluminium_PCB--10712329_10712351.html]]></link><description><![CDATA[Copper core, FR4 covering
Board Size
Min 6*6mm | Max 610*610mm
Board Thickness
0.8mm - 5.0mm
Copper Weight (Finished)
0.5oz - 10.0oz
Min Tracing/Spacing
4mil/4mil
Solder Mask Sides
As per the Gerbers]]></description><pubDate><![CDATA[20180601]]></pubDate></item>

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