阅读说明：本技术 弹片设计方法及弹片、sma组件、镜头模组和电子设备 (Shrapnel design method, shrapnel, SMA assembly, lens module and electronic equipment ) 是由 段然 万海波 梅倩 吕大林 李邓峰 于 2020-05-09 设计创作，主要内容包括：本申请提供了一种弹片设计方法及弹片、SMA组件、镜头模组和电子设备。该SMA组件包括：固定件、弹片和形状记忆合金SMA线,所述SMA线的一端与所述固定件相连接,另一端与所述弹片相连接；所述弹片包括弹片主体和至少一个弹片悬臂；其中,所述弹片悬臂与所述弹片主体相连接,并沿所述弹片主体的外缘延伸；所述弹片悬臂在延伸部分的预定位置与所述固定件相连接；所述至少一个弹片悬臂呈轴对称或90°旋转对称。上述技术方案能够减小或消除SMA组件中的弹片的机械串扰,提高光学防抖性能。(The application provides a shrapnel design method, a shrapnel, an SMA assembly, a lens module and an electronic device. The SMA assembly includes: the shape memory alloy SMA wire comprises a fixing piece, an elastic piece and a shape memory alloy SMA wire, wherein one end of the SMA wire is connected with the fixing piece, and the other end of the SMA wire is connected with the elastic piece; the elastic sheet comprises an elastic sheet main body and at least one elastic sheet cantilever; the elastic sheet cantilever is connected with the elastic sheet main body and extends along the outer edge of the elastic sheet main body; the elastic sheet cantilever is connected with the fixed piece at a preset position of the extending part; the at least one elastic sheet cantilever is axisymmetric or 90-degree rotational symmetric. By the technical scheme, mechanical crosstalk of the elastic sheet in the SMA assembly can be reduced or eliminated, and the optical anti-shake performance is improved.)