技术档案
热辅助磁记录Heat-Assisted Magnetic Recording
激光加热辅助硬盘写入
每条都摘自下方编号的来源原文；只写事实，不写预测或建议。
技术简介
- HAMR利用记录头上的小型激光二极管瞬时加热盘片上的微小区域，使记录头能够逐位翻转磁极并写入数据。1
Then, to write new data, a small laser diode attached to each recording head momentarily heats a tiny spot on the disk, which enables the recording head to flip the magnetic polarity of a single bit at a time, enabling data to be written.