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<title><![CDATA[EC21 Product Catalogs - drill hole]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/drill-hole--10120303/1/drill hole.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[12 Layers PCB High TG Thick Copper Board]]></title><link><![CDATA[https://rcypcb.en.ec21.com/12-Layers-PCB-High-TG--5377851_5377852.html]]></link><description><![CDATA[Layers: 12
Material: FR4 TG170
Solder mask color: green
Copper thickness: 4oz
Board thickness: 2.5mm
Surface finish: ENIG
Packing: vacuum
Min. drilled hole size: 0.2mm
Certificate: UL, ISO 9001, ISO ]]></description><pubDate><![CDATA[20130506]]></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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<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[drilled hole size
0.1mm
6
Min.line width
0.075mm(3mil)
7
Min.line spacing
0.075mm(3mil)
8
Surface finish/treatment
HASL/HASL lead free,Immersion Gold/Tin/Silver,OSP,gold plating/finger,Carbon ink,Pee]]></description><pubDate><![CDATA[20200402]]></pubDate></item>
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<title><![CDATA[4 Layers PCB]]></title><link><![CDATA[https://adplus01.en.ec21.com/4-Layers-PCB--10655888_10656034.html]]></link><description><![CDATA[hole, countersink hole, castle hole (half hole), Minimum drilling mechanical hole 0.15mm, Minimum laser hole 0.1mm, via-in-pad, Impedance control, ENIG/ENEPIG. Blue peelable, Carbon lnk, etc. 
Accord]]></description><pubDate><![CDATA[20180131]]></pubDate></item>
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<title><![CDATA[Flexible PCB]]></title><link><![CDATA[https://mktpcb.en.ec21.com/Flexible-PCB--10712329_10712378.html]]></link><description><![CDATA[hole size: 
punching hole: 0.50mm 
Drill Hole:0.20mm 
Max Panel size: 250MM*400MM. 
Min. Board thickness: 
Copper Thickness:1/3OZ-2OZ 
Min slot: 24mil*35mil(0.6X0.9MM) 
Size Tolerance 
Conductor widt]]></description><pubDate><![CDATA[20180601]]></pubDate></item>

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