Tribology and Mechanics of Magnetic Storage Devices is popular PDF and ePub book, written by Bharat Bhushan in 2012-12-06, it is a fantastic choice for those who relish reading online the Technology & Engineering genre. Let's immerse ourselves in this engaging Technology & Engineering book by exploring the summary and details provided below. Remember, Tribology and Mechanics of Magnetic Storage Devices can be Read Online from any device for your convenience.
Tribology and Mechanics of Magnetic Storage Devices Book PDF Summary
Magnetic recording is presently a $50 billion industry. It spans audio, video, and digi tal applications in the form of tapes and disks. The industry is expected to grow by a factor of five or more in the next decade. This growth will be accompanied by dramatic improvements in the technology, and the potential exists for magnetic-recording den sities to improve by at least one order of magnitude! Magnetic-recording process is accomplished by relative motion between a mag netic head and a magnetic medium. Types of magnetic media for digital recording are: flexible media (tapes and floppy disks) and rigid disks. Physical contact between head and medium occurs during starts and stops and hydrodynamic air film develops at high speeds. Hying heights (mean separation between head and medium) are on the order of 0. 1 micrometer comparable to surface roughness of the mating members. Need for higher and higher recording densities requires that surfaces be as smooth as possible and flying heights be as low as possible. Smoother surfaces lead to increased static/ kinetic friction and wear. In the case of magnetic tapes, in order to have high bit capac ity for a given size of a spool, we like to use as thin a tape substrate as possible. Thinner tapes are prone to local or bulk viscoelastic deformation during storage. This may lead to variations in head-tape separations resulting in problems in data reliability.
Detail Book of Tribology and Mechanics of Magnetic Storage Devices PDF
- Author : Bharat Bhushan
- Release : 06 December 2012
- Publisher : Springer Science & Business Media
- ISBN : 9781468403350
- Genre : Technology & Engineering
- Total Page : 1035 pages
- Language : English
- PDF File Size : 12,9 Mb
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