Ampex Corp: Digital Storage Message Board

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Technology Stocks : Ampex Corp: Digital Storage

AMPX 11.44

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3:59 PM EST

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To: Mary Beth Ford who wrote (2698)	4/29/1997 6:18:00 PM
From: Mary Beth Ford	of 3256

Here's that article. What do you think? SAN JOSE, Calif.--(BUSINESS WIRE)--Dec. 30, 1996--IBM researchers today announced the first demonstration of product-level components working together to write and read data on a computer hard disk at a density of 5 billion bits per square inch (775 million bits per square centimeter). Five billion bits (5 gigabits) of data equals the text on 312,500 double-spaced typewritten pages: a 104-foot-tall stack of paper, about as tall as a nine-story building. Put another way, at 5 gigabit density, the text of 625 novels could be stored in a single square inch of disk surface. It is nearly three times the density of the most advanced disk drive available today. "With this achievement, IBM continues its 40-year-old tradition of industry leadership blah blah blah.... Also notable is that this demonstration used only extensions of proven technologies: -- an advanced version of the innovative magnetoresistive (MR) recording heads that IBM has been making by the tens of millions, -- an ultra-low-noise magnetic alloy disk coating on which the bits are written, and -- improved electronics employing state-of-the-art equalization techniques that enable all the components to work together to achieve the desired high-speed and accuracy. blah blah blah... The data bits themselves are recorded onto a thin film of a ultra-low-noise, four-component magnetic alloy that coats the aluminum disk. The alloy's composition and fabrication conditions are designed for very high bit density and very low magnetic noise -- critical advantages in reading the tiny bits. Another thin coating of a hard material protects the alloy film from contact with the recording head. Is this KM or what? Do you think they would tell me?

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