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<title><![CDATA[EC21 Product Catalogs - copper etching]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/copper_etching--10120399/1/copper etching.html]]></link><item>
<title><![CDATA[Aluminum Printed Circuit Board]]></title><link><![CDATA[https://pcbmain68.en.ec21.com/Aluminum_Printed_Circuit_Board--11046819_11248728.html]]></link><description><![CDATA[copper foil. The copper foil is etched into the desired circuit pattern and the metal base draws heat away from this circuit through the thin dielectric. 
Operating theory:
The power device surface m]]></description><pubDate><![CDATA[20240606]]></pubDate></item>
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<title><![CDATA[Golden Triangle Flex PCB Capabilities]]></title><link><![CDATA[https://gtpcba.en.ec21.com/Golden_Triangle_Flex_PCB_Capabilities--11805203_11836254.html]]></link><description><![CDATA[copper foil onto the flex material. The copper layers are then patterned with a photolithography process, where an etching mask is used to create the desired circuitry pattern. Then the copper layers]]></description><pubDate><![CDATA[20230821]]></pubDate></item>
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<title><![CDATA[Half Hole &amp; Through Hole PCB]]></title><link><![CDATA[https://hhcircuits.en.ec21.com/Half_Hole_Through_Hole_PCB--11798970_11798971.html]]></link><description><![CDATA[etching. It is necessary to consider whether the copper will be exposed when the gong groove is shaped, and move the drilled half-hole into the unit.
he right hole is drilled first, and then the boar]]></description><pubDate><![CDATA[20230530]]></pubDate></item>
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<title><![CDATA[Loudspeaker PCB]]></title><link><![CDATA[https://techighpcb.en.ec21.com/Loudspeaker_PCB--11812588_11812591.html]]></link><description><![CDATA[etching line, other advanced production equipment, we also have impedance tester, network analyzer, TMA\DSS/TGA thermal analysis equipment, etc. to meet the complex and diverse needs of industrial co]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[Rogers Rt/Duroid 5880]]></title><link><![CDATA[https://karenxcepcb.en.ec21.com/Rogers_Rt_Duroid_5880--10524601_10524661.html]]></link><description><![CDATA[etching printed circuits or plating edges and holes. RT/duroid 5870 and 5880 laminates have the lowest electrical loss of any reinforced PTFE material, low moisture absorption, are isotropic, and hav]]></description><pubDate><![CDATA[20170829]]></pubDate></item>
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<title><![CDATA[Printed Circuit Board]]></title><link><![CDATA[https://greenstone23.en.ec21.com/Printed_Circuit_Board--11778431_11889762.html]]></link><description><![CDATA[copper deposition
Image teh outer layer
Plating
Etch the outter layer
AOI
Solder mask
Surface finish
Profile
Electrical test
Finial inspection
Packing
We provide printed circuit board assembly
, prin]]></description><pubDate><![CDATA[20240117]]></pubDate></item>

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