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<title><![CDATA[EC21 Product Catalogs - black mask]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/black_mask--10120303/1/black mask.html]]></link><item>
<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[Mask ColorGreen/Black/White/Red/Blue/YellowMin. Line Width0.10mm(4mil)Max. Finished Board Side1020mm*1000mmDelivery7 DaysTransport PackageCustomized, ESD Bag/Vacuum Packaging+Bubble Bag,Specification]]></description><pubDate><![CDATA[20240806]]></pubDate></item>
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<title><![CDATA[4OZ Heavy Copper 12 Layer PCB with ENIG]]></title><link><![CDATA[https://hjl39506147520.en.ec21.com/4OZ_Heavy_Copper_12_Layer--11890882_11907658.html]]></link><description><![CDATA[mask: White/Black/Blue/Green/Red Oil
Surface finishing: Immersion Gold, HASL, OSP
Typical conductor width/spacing/thickness tolerance is +/-20%, although tighter tolerance is achievable.
Applications]]></description><pubDate><![CDATA[20240229]]></pubDate></item>
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<title><![CDATA[100% High Quality Control Board for PC]]></title><link><![CDATA[https://cesgatepcbec21.en.ec21.com/100_High_Quality_Control_Board--11119511_11144399.html]]></link><description><![CDATA[Mask:Green. Red. Blue. White. Black.YellowCircuit structure:Stripline, MicrostripType:Rigid-flexible Board,Rigid,Flex,Flexible,FPC,AluCertificate:RoHs/ISO9001/SGSTesting Service:Flying Probe TestingA]]></description><pubDate><![CDATA[20200519]]></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[mask color: Blue,Red,Purple,Yellow,White,Green,Black
Number of Layer: 2 layer,8 layer,multi-layer PCBB
Certification of quantum board led: ISO/UL/TS16949/RoHS/TS16949
PCB Standards: IPC-A-610 D/IPC-I]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[Rogers RO3010 High Frequency PCB]]></title><link><![CDATA[https://bcco.en.ec21.com/Rogers_RO3010_High_Frequency_PCB--10882619_11068394.html]]></link><description><![CDATA[mask: 
Green, Black,
Blue, Yellow, Red etc.
Surface finish: 
Bare copper,
HASL, ENIG, OSP etc..
RO3010 high frequency PCBs are available with
double sided, multi-layer and hybrid construction, 0.5oz ]]></description><pubDate><![CDATA[20230113]]></pubDate></item>
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<title><![CDATA[Green Ink FR-4 Printed Circuit Board]]></title><link><![CDATA[https://abiscircuits.en.ec21.com/Green_Ink_FR_4_Printed--10316737_10319519.html]]></link><description><![CDATA[mask
9
Copper thickness
18um-280um(0.5OZ-8OZ)(normally 1OZ)
10
Solder mask color
green/black/white/red/blue/yellow
11
Outline Tolerance 
±0.13mm
12
Impedance control Tolerance
±10%
13
Hole toleranc]]></description><pubDate><![CDATA[20200402]]></pubDate></item>
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<title><![CDATA[Rogers PCB]]></title><link><![CDATA[https://karenxcepcb.en.ec21.com/Rogers_PCB--10524638_10524639.html]]></link><description><![CDATA[mask: green/blue/red/black/gray/white 
Legend: white/black/yellow 
Surface: OSP/HAL lead-free/immersion gold/immersion tin/ 
immersion silver/flash gold/hard gold 
Outline: rout and score/V-cut 
E-te]]></description><pubDate><![CDATA[20170829]]></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[mask Color: White, Black. We can also provide Super-White color for LED PCB to improve the reflected light off of the board to increase the Lumens. 
The following table presents some of our Aluminum ]]></description><pubDate><![CDATA[20180601]]></pubDate></item>

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