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Customized FR4 4 Layer PCB HDI Power Bank PCB Board Gold Finishing

FR4 PCB
2025-05-07
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customized FR4 4 LAYER HDI power bank pcb board gold finishing Copper Thickness: 1/3-8 Board Thickness: 0.2-3.2mm Min. Mechanical Drill Hole Size: 0.1mm Min. Core Thickness: 0.05 Warpage: ≤0.4% Max. ... View More
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