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<title><![CDATA[EC21 Product Catalogs - fr 3]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/fr_3--10120303/1/fr 3.html]]></link><item>
<title><![CDATA[Multilayer PCBs]]></title><link><![CDATA[https://haosens2010.en.ec21.com/Multilayer_PCBs--4624610_4624612.html]]></link><description><![CDATA[Our PCB Technical Specifications:
- Base material: FR4, Aluminum, Ceramic,Rogers, F4BK, F4BT, TP, PF, CEM-1, CEM-3, etc.
- Board thickness: 0.30 to 3.20mm (12 to 126mil)
- Copper thickness: 0.50 to 5]]></description><pubDate><![CDATA[20250220]]></pubDate></item>
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<title><![CDATA[Green Ink FR-4 Printed Circuit Board]]></title><link><![CDATA[https://abiscircuits.en.ec21.com/Green_Ink_FR_4_Printed--10316737_10319519.html]]></link><description><![CDATA[1
Layer
1-20 layers
2
Material
FR-4(High TG),CEM-1,Aluminum base,CEM-3, FR4 Halogen Free,Rogers,Polyimide,TEFLON
3
Board thickness
0.2mm-6mm(normally 1.6mm)
4
Max.finished board size
1200*600mm
5
Min]]></description><pubDate><![CDATA[20200402]]></pubDate></item>
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<title><![CDATA[Hybrid PCB Stack-up Optimizes Signal Integrity and the PCB Cost]]></title><link><![CDATA[https://bcco.en.ec21.com/Hybrid_PCB_Stack_up_Optimizes--10882619_10944709.html]]></link><description><![CDATA[350B high frequency material and layer 3 to
layer 4 is the core of FR-4 epoxy glass. The 2 cores are bonded by a sheet of
adhesive (prepreg).
Types of hybrid PCB 
The
hybrid PCB can be a mixture of F]]></description><pubDate><![CDATA[20230113]]></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[3, FR-4, High-Tg FR4, Aluminum, Rogers, Arlon, Taconic, Polyimide, etc., 
Technic: Blind &amp; Buried hole, countersink hole, castle hole (half hole), Minimum drilling mechanical hole 0.15mm, Minimum las]]></description><pubDate><![CDATA[20180131]]></pubDate></item>
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<title><![CDATA[6 Layer PCB with 1.6mm 1oz Thickness]]></title><link><![CDATA[https://mktpcb.en.ec21.com/6_Layer_PCB_with_1.6mm--10712329_10712340.html]]></link><description><![CDATA[FR4 
Board thickness: 1.6MM 
Surface finished: ENIG 
Copper thickness: 35um (1oz) 
Solder resist: green color 
Silkcreen: white color 
Now we are better, stronger and solid and our service to offer a]]></description><pubDate><![CDATA[20180601]]></pubDate></item>
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<title><![CDATA[Multilayer PCB]]></title><link><![CDATA[https://tendtronic.en.ec21.com/Multilayer_PCB--9385605_9497794.html]]></link><description><![CDATA[39;s request such as FOB CIF &amp; DDU. 
PCB Material Highlights: FR4, CEM1, CEM3, FR2, FR1, XPC,IMS,FR-5, High Tg, Aluminium ,Green Material 
PCB Production Highlights: Single-Sided PCB, PTH Double-Side]]></description><pubDate><![CDATA[20150505]]></pubDate></item>
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<title><![CDATA[Rigid-Flex Circuit Boards]]></title><link><![CDATA[https://pcbpcbaseller.en.ec21.com/Rigid_Flex_Circuit_Boards--10961296_11121912.html]]></link><description><![CDATA[Board Thickness Rigid: 1.5mm +/-0.15 Flex: 0.13mm +/-0.03 
Material FR4 TG170 +Polyimide (Adhesiveless) 
Copper Thickness 1/1/1/1/1/1/1/1 OZ 
Stiffener None 
Min. Line Width/ Spacing 4mil (0.10mm)/4m]]></description><pubDate><![CDATA[20200430]]></pubDate></item>
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<title><![CDATA[Matt Green Solder Mask Multilayer 12L PCB Board]]></title><link><![CDATA[https://hjl39506147520.en.ec21.com/Matt_Green_Solder_Mask_Multilayer--11890882_11907623.html]]></link><description><![CDATA[Quick Details
Brand Name
Caring circuit
Place of Origin
Shenzhen, China
Base Material
12L,FR4, TG170
Board Thickness
2.0 mm
Copper Thickness
1/H...H/1OZ 
Min. Hole Size
3mil (0.076mm)
Min. Line Width]]></description><pubDate><![CDATA[20240229]]></pubDate></item>
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<title><![CDATA[8L IT180A ENIG Cavity Design]]></title><link><![CDATA[https://ayesha19920906.en.ec21.com/8L_IT180A_ENIG_Cavity_Design--11384983_11391841.html]]></link><description><![CDATA[8L IT180A ENIG Cavity design
Product: Customized OEM PCB Manufacturing Service with Gerber File
Material: FR4, Aluminum, CEM-3,CEM-1, HI-TG, Rogers, Taconic, Argon and so on.
Packaging: Normal Carton]]></description><pubDate><![CDATA[20210603]]></pubDate></item>
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<title><![CDATA[Professional Experience Metal Core PCB Circuit Board Enepig PCB Fabrication Factory]]></title><link><![CDATA[https://2pcbtech.en.ec21.com/Professional_Experience_Metal_Core_PCB--11782526_11782527.html]]></link><description><![CDATA[FR4).
Double Sided PCB
A double-sided PCB, by definition, has two conductive copper layers separated by an insulating dielectric, typically woven glass fabric (FR4). A double-sided PCB is different f]]></description><pubDate><![CDATA[20230505]]></pubDate></item>
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<title><![CDATA[Fabrication Manufacturing PCBA Prototype Multilayer High Tg PCB]]></title><link><![CDATA[https://cesgatepcbec21.en.ec21.com/Fabrication_Manufacturing_PCBA_Prototype_Multilayer--11155667_11251575.html]]></link><description><![CDATA[Number of Layers:1-64-Layer
Base Material:FR4,High-TG ,Rogers,Nelco,RCC,PTFE
Copper Thickness:0.3-12oz
Board Thickness:0.6-10mm
Min. Hole Size:0.03mm
Min. Line Width:0.035
Min. Line Spacing:0.035
Sur]]></description><pubDate><![CDATA[20200905]]></pubDate></item>
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<title><![CDATA[Lead Free HASL Power Heavy Duty Project]]></title><link><![CDATA[https://chanyee.en.ec21.com/Lead_Free_HASL_Power_Heavy--11457150_11457154.html]]></link><description><![CDATA[area: Industrial control
Product feature: 3OZ Thick copper plate
Layer: 2
Surface treatment: Lead Free HASL
Material: FR4
Line width/Line space: 0.241/0.311mm
Thickness: 1.6mm
Min hole φ: 0.40mm
]]></description><pubDate><![CDATA[20231124]]></pubDate></item>

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