摘要：【中文】本发明涉及一种散热板及伺服驱动器，散热板包括安装板和散热翅片，所述安装板和所述散热翅片的背面用于安装发热装置，所述散热翅片的顶部与所述安装板的底部固定连接，所述散热翅片上设置有切槽，所述切槽的延伸方向与所述散热翅片的延伸方向的夹角大于零度且小于或等于90度。本发明的技术方案能够提高伺服驱动器的散热能力，进而保证伺服驱动器的性能和使用寿命。 【EN】The invention relates to a heat dissipation plate and a servo driver, wherein the heat dissipation plate comprises a mounting plate and heat dissipation fins, the back surfaces of the mounting plate and the heat dissipation fins are used for mounting a heating device, the tops of the heat dissipation fins are fixedly connected with the bottom of the mounting plate, the heat dissipation fins are provided with cutting grooves, and the included angle between the extending direction of the cutting grooves and the extending direction of the heat dissipation fins is larger than zero degree and smaller than or equal to 90 degrees. The technical scheme of the invention can improve the heat dissipation capacity of the servo driver, thereby ensuring the performance and the service life of the servo driver.