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Hard Drive Technology
Member rating: No Rating | Words: | Submitted: Thu Sep 04 2003
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The hard drive uses two important principles about the magnetic fields. When we write data onto the hard drive,it uses THE LAW OF ELECTROMAGNETIC INDUCTION and SOME MATERIAL IS MAGNETIC. When we read data from the hard drive, it uses THE LENZ'S LAW. How hard disk drive works: Firstly we should know the two important part of the hard disk drive, 1. platters and media We put all of the data onto the platters. They are inside of the hard drive. There are several pieces of platter in the hard disk drive, maybe three or four. They are made of special material. The material must be strong and light. Because there are high rotation rates, when the hard disk drive working. Traditionally, people often use aluminum because it is a light material. But today, most platters are made from material like glass or ceramic composite. These light, strong materials have...
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