A multi-head parallel contact read-write hard disk

Abstract

The invention proposes a multi-head hard disk solution, changes the structure of the existing Winchester hard disk, and greatly improves its read and write speed. Specifically, a plurality of contact-type read-write heads are arranged in the radial direction and the circumferential direction of the disk platter. The read-write method of the hard disk is as follows: the head frame and the head arm are connected and fixed to the drive element, and remain stationary, and the disk platter rotates. Each head is driven by piezoelectric drive. For hard disk sequential read and write, the read and write speed is roughly proportional to the total number of heads. For random reading and writing of hard disks, radially arranged magnetic heads can reduce the seek time, and circumferentially arranged magnetic heads can reduce rotational delay, thus improving the random reading and writing speed of hard disks, thereby increasing the transmission speed of internal data.

Description

technical field [0001] The invention belongs to the field of storage devices, in particular to a multi-head parallel contact type read-write mechanical hard disk. Background technique [0002] With the development of the information industry, human beings' demand for various information technologies continues to rise, such as the speed of information processing, the speed of information transmission, the speed of man-machine interface, etc. The demand will never be satisfied with the status quo. Therefore, human beings have the same demand for information storage capacity, which requires fast, ultra-high-density, stable permanent storage for reading and writing. [0003] Nowadays, no matter in terms of read / write speed or storage density, the development of hard drives is facing a bottleneck. Solid-state drives are developing rapidly, and their reading and writing speeds are significantly higher than those of mechanical hard drives. However, their unit storage costs are too...

AI Technical Summary

Problems solved by technology

[0013] Since the invention of the Winchester hard disk by IBM in 1973, the core mechanical structure of the hard disk has basically not undergone major changes. We cannot greatly reduce the access time of the hard disk. This is the main problem of the poor internal transmission performance of the hard disk.

And just using multiple magnetic heads to improve the read and write speed of the hard disk, the effect is not obvious

Images