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<title><![CDATA[EC21 Product Catalogs - pcb drilling]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/pcb_drilling--10120303/1/pcb drilling.html]]></link><item>
<title><![CDATA[High Quality Inverter PCB Layout Design / High Quality Wireless Mouse PCB Layout Design]]></title><link><![CDATA[https://cttpcb.en.ec21.com/High_Quality_Inverter_PCB_Layout--10919275_11050430.html]]></link><description><![CDATA[Drilling Hole Diameter
8mil
NPTH Hole Size Tolerance
±.002&quot; (±0.05mm)
Min Width of Slot Hole (PTH)
0.6mm
PTH Hole Size Tolerance
±.003&quot; (±0.08mm) - ±.006&quot; (±0.15mm)
Surface/Hole Plating Thickne]]></description><pubDate><![CDATA[20231206]]></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[drilled hole size: 0.5mm
Certificate: UL, ISO 9001, ISO 14000, TS16949, RoHS
Our strong points
&amp;bull;2 to 16 layers PCB manufacturing
&amp;bull;No MOQ, we can make samples for you to test quality, and 1 ]]></description><pubDate><![CDATA[20130506]]></pubDate></item>
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<title><![CDATA[4 Layers PCB]]></title><link><![CDATA[https://adplus01.en.ec21.com/4_Layers_PCB--10655888_10656059.html]]></link><description><![CDATA[drilling mechanical hole 0.15mm, Minimum laser hole 0.1mm, via-in-pad, Impedance control, ENIG/ENEPIG. Blue peelable, Carbon lnk, etc. 
According to product of versatility, AD Plus Corporation is wit]]></description><pubDate><![CDATA[20180131]]></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[Hot Air Solder Leveling 
Lead Free HASL - RoHS 
ENIG - Electroless Nickle/Immersion Gold - RoHS
Min Annular Ring
4mil
Min Drilling Hole Diameter
6mil
Other Techniques
Countersink holes 
Screw holes
]]></description><pubDate><![CDATA[20180601]]></pubDate></item>
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<title><![CDATA[6Layer RO4350+FR4]]></title><link><![CDATA[https://ayesha19920906.en.ec21.com/6Layer_RO4350_FR4--11384983_11390004.html]]></link><description><![CDATA[Back drill Copper coin, Depth control routing, Impedance control, usually for telecommniction
Advantages：
Good pricing
Focus on low to medium volume production
Quick and on-time delivery
Internatio]]></description><pubDate><![CDATA[20210531]]></pubDate></item>

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