柔性印刷电路板 (FPCB). 阻抗变化的补偿方法

[中文适用范围]： 本技术报告规定了通过使用FPCB的噪声抑制材料（以下简称NSM）来降低阻抗来补偿Cu线宽的方法。本技术报告提出了使用 NSM 维持 FPCB 指定性能的最佳结果。它还指出了一种使用 NSM 和流行的 TDR（时域反射计）方法来测量 FPCB 阻抗变化的方法。该方法仅限于通过使用用于FPCB的NSM来测量阻抗值随着Cu线宽的变化而变化。然而，该报告既没有确定也没有表明FPCB的结构或材料。 [外文原描述]： IEC TR 63017:2015(E) specifies a compensation method of Cu linewidth according to impeadance reduction by using noise suppression materials (hereafter referred to as NSMs) for FPCBs. This Technical Report presents an optimum result for maintaining a designated performance of FPCBs by using NSMs. It also indicates a measuring method for an impedance variation of FPCBs using NSMs with the prevailing TDR (time domain reflectometry) method. This method is resticted to measuring only the variation of an impedance value in accordance with the variation of the Cu linewidth by using NSMs for FPCBs. This report, however, neither determines nor indicates the structure or material of FPCBs.