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<title><![CDATA[EC21 Product Catalogs - half hole]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/half_hole--10120303/1/half hole.html]]></link><item>
<title><![CDATA[4 Layers Half Hole PCB]]></title><link><![CDATA[https://rcypcb.en.ec21.com/4_Layers_Half_Hole_PCB--5377851_5378541.html]]></link><description><![CDATA[Layers: 4
Material: FR-4 TG170
Solder mask color: Green
Copper thickness: 2oz
Board thickness: 1.2mm
Surface finish: Immersion gold 
With half hole
Packing: vacuum
Min. drilled hole size: 0.3mm
Certi]]></description><pubDate><![CDATA[20130506]]></pubDate></item>
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<title><![CDATA[Peelable S/M 2Layers Lead Free HASL FR4]]></title><link><![CDATA[https://chanyee.en.ec21.com/Peelable_S_M_2Layers_Lead--11457152_11869936.html]]></link><description><![CDATA[half the thickness of tin-lead HASL coatings. In this finish, coplanarity is also good. Modern HASL lines are designed to provide operating conditions consistent with other equipment in modern cardbo]]></description><pubDate><![CDATA[20231124]]></pubDate></item>
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<title><![CDATA[Industry Controlling Motherboard PCB On the Frequency Converter]]></title><link><![CDATA[https://techighpcb.en.ec21.com/Industry_Controlling_Motherboard_PCB_On--11812588_11812595.html]]></link><description><![CDATA[hole boards, and half-hole craft boards, bonding craft boards, buried copper blocks, etc.Now key parameters of our company processed products are as follows:
Layer
4L
Copper thickness
Inner 2OZ,outer]]></description><pubDate><![CDATA[20230628]]></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[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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