磁盘读写头

磁盘读写头，简称磁头，是碟盘存储的结构中的一部分，负责读取与写入数据至磁盘。从磁盘中读取数据时，它会在磁盘上方浮动，并将盘片的磁场转换为电流，将数据从磁盘中取出。而写入时则是电流转换为磁场，将数据存入磁盘^[1][2][3]。多年来它己经过许多次更新迭代^[4][5][6]。

机械硬盘磁头(正视)

机械硬盘磁头(侧视)

硬盘磁头的显微镜放大图

一块浮于硬盘上的磁盘读写头

磁头读写数据的示意图

引用

1. Magnetic recording technology. 纽约. ISBN 978-0-07-041276-7.
2. Gao, Kaizhong. Architecture for Hard Disk Drives. IEEE Magnetics Letters. 2018, 9 [2022-05-26]. ISSN 1949-3088. doi:10.1109/LMAG.2018.2789888. （原始内容存档于2022-05-26）.
3. Gao, Kai Zhong; Heinonen, Olle; Chen, Yonghua. Read and write processes, and head technology for perpendicular recording. Journal of Magnetism and Magnetic Materials. Current Perspectives: Perpendicular Recording. 2009-03-01, 321 (6). ISSN 0304-8853. doi:10.1016/j.jmmm.2008.05.025 （英语）.
4. Wood, Roger. Future hard disk drive systems. Journal of Magnetism and Magnetic Materials. Current Perspectives: Perpendicular Recording. 2009-03-01, 321 (6). ISSN 0304-8853. doi:10.1016/j.jmmm.2008.07.027 （英语）.
5. Shirai, Katsuaki; Büttner, Lars; Obi, Shinnosuke; Czarske, Jürgen. An experimental study on the flow behavior near the read-and-write arm in a hard disk drive model with a shroud opening. Microsystem Technologies. 2013-09-01, 19 (9). ISSN 1432-1858. doi:10.1007/s00542-013-1847-3 （英语）.
6. Singh, G.P.; Knigge, B.E.; Payne, R.; Wang, Run-Han; Mate, C.M.; Arnett, P.C.; Davis, C.; Nayak, V.; Wu, Xiao; Schouterden, K.; Baumgart, P. A novel wear-in-pad approach to minimizing spacing at the head/disk interface. IEEE Transactions on Magnetics. 2004-07, 40 (4) [2022-05-26]. ISSN 1941-0069. doi:10.1109/TMAG.2004.828958. （原始内容存档于2022-06-04）.