RO4350B + RO3010 하이브리드 PCB: 이 12층 고주파 기판이 RF 및 레이더 애플리케이션에 이상적인 이유는 무엇일까요?
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Copper Foils for High-Frequency Circuit Materials – Selection Guide for Low-Loss PCB Design Q: Why does copper foil selection matter for high-frequency PCBs? A: The surface roughness of copper foil is a critical factor affecting signal integrity in high-frequency designs, particularly above 1 GHz. Roughness forces high-frequency current—which concentrates near the conductor surface due to the skin effect—to travel a longer effective path, converting electromagnetic energy
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