Substrate Materials

•Polytetrafluoroethylene, PTFE, 聚四氟乙烯
–Dk~2.02
–Df~0.00022
–Ex. Dupont/TEFLON
•Polyphenylene oxide, PPO, 聚苯醚
–Dk~3.2
–Df~0.002
–Ex. GE/GETEK
•Polyphenylene ether, PPE, 聚苯醚
–Dk~3.5
–Df~0.002
–Ex. Panasonic/MEGTRON
•Liquid crystal polymer, LCP, 液晶聚合樹脂
–Dk~3
–Df~0.003
–Ex. Rogers/ULTRALAM