涵盖按照IPC-2221和IPC-2223设计的挠性印制板的鉴定和性能要求。挠性印制板可以是单面板、双面板、多层板及刚挠结合多层板，这些结构可能含有增强板（补强板）、镀覆孔、微导通孔及埋/盲孔。D版修订包含新的和更新的要求，包括最终涂覆，刚性段到挠性段的过渡区，褶皱、折痕和吸管状空隙等形变异常，标记，重合度（孔环），导体厚度减小，孔壁介质去除，树脂去除，微孔填镀和孔选择性（钮扣）镀等。

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