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<title><![CDATA[EC21 Product Catalogs - impedance test]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/impedance_test--10120399/1/impedance test.html]]></link><item>
<title><![CDATA[PCB - Multi-Layer]]></title><link><![CDATA[https://ckmo1018.en.ec21.com/PCB_Multi_Layer--12069932_12069954.html]]></link><description><![CDATA[impedance control, heat generation
Copper Weight
• Outer Layer: 0.5 to 1 oz (typical), up to 2 oz
• Inner Layer: 0.5 to 1 oz
Selection criteria
• Signal Layer: Thin (impedance-precise)
• Powe]]></description><pubDate><![CDATA[20260411]]></pubDate></item>
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<title><![CDATA[Compressed Air Filter Circuit Board Manufacturing &amp; PCB Fabrication | Grande]]></title><link><![CDATA[https://yygreattong.en.ec21.com/Compressed_Air_Filter_Circuit_Board--4357166_4357386.html]]></link><description><![CDATA[Testing: 100% E-test
Package: Vacuum packing
Lead Time: 10-15 days
Description:
PCB Capabilities
Layers: 1-30
Quantity: 25,000 sq.m/month
PCB Types: 5oz heave copper, Impedance board, HDI, HF board, ]]></description><pubDate><![CDATA[20250401]]></pubDate></item>
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<title><![CDATA[Bespoke Motherboard Solutions From China OEM/ODM Electronics Mother Board Drone Equipment Circuit Bo]]></title><link><![CDATA[https://sncpcb.en.ec21.com/Bespoke_Motherboard_Solutions_From_China--11979593_11981106.html]]></link><description><![CDATA[impedance board, high frequency board, aluminum substrate circuit board, rigid pcb according to customer needs. We also have an automated patch production line that can do pcb assembly, and we can al]]></description><pubDate><![CDATA[20240806]]></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[impedance tester, network analyzer, TMA\DSS/TGA thermal analysis equipment, etc. to meet the complex and diverse needs of industrial controlling PCB.
Our company has more than 20 professional technic]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[PCB Design Capabilities]]></title><link><![CDATA[https://gtpcba.en.ec21.com/PCB_Design_Capabilities--11805203_11836258.html]]></link><description><![CDATA[impedance control
• DDR, DDR2, DDR3, DDR4, SAS and differential pair routing expertise
• High-density SMT designs (BGA, uBGA, PCI, PCIE, CPCI…)
• Blind &amp; Buried via , Flex PCB designs, flexib]]></description><pubDate><![CDATA[20230821]]></pubDate></item>
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<title><![CDATA[4 Layer ENIG Impedance Control Half Hole FR4 PCB]]></title><link><![CDATA[https://hhcircuits.en.ec21.com/4_Layer_ENIG_Impedance_Control--11798970_11798975.html]]></link><description><![CDATA[Number of layers: 4
Surface finish: ENIG
Base material: FR4
Outer Layer W/S: 6/3.5mil
Inner layer W/S: 6/4mil
Thickness: 0.8mm
Min. hole diameter: 0.28mm
Special process: impedance control+half hole
]]></description><pubDate><![CDATA[20230530]]></pubDate></item>
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<title><![CDATA[Medical Electronics Turnkey PCB Assembly]]></title><link><![CDATA[https://ucreatepcb123.en.ec21.com/Medical_Electronics_Turnkey_PCB_Assembly--11761239_11826376.html]]></link><description><![CDATA[Copper PCB
HDI PCB
BGA PCB
High TG PCB
PCB Stencil
Impedance Control PCB
PCB Assembly
High-Frequency PCB
Bluetooth Circuit Board
Automotive PCB
USB Circuit Board
Halogen-Free PCB
Antenna PCB
]]></description><pubDate><![CDATA[20230728]]></pubDate></item>

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