AFM

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AFM

American Federation of Musicians of the United States and Canada

A labor union for North American musicians. It lobbies and negotiates contracts for better pay and working conditions. It also attempts to protect copyrights for musicians' intellectual property. It was established in 1896 by members of the American Federation of Labor (now the AFL-CIO).

Amman Financial Market

A securities exchange in Jordan. It was established in 1976 and traded in stocks, government and corporate bonds, and negotiable certificates of deposit, among other securities. It was the only exchange in Jordan and was replaced by the Amman Stock Exchange in 1999.
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This is in contrast to the story in magnetic disk where the areal density growth has slowed significantly with the associated slow down in the improvement in its cost of storage metric.
Since the size and number of disk platters are fixed in each defined disk drive format, areal density is really the only parameter that can be improved to increase storage capacity.
Increased areal density from improved head and disk coating
It is likely that the rate of data storage areal density increase in magnetic recording will start to drop gradually due to the greater difficulty in making the new technology work.
2 The world's highest commercially available areal density in a 1.
Kryder estimates that the switch to perpendicular recording will occur sometime between 100 and 200 gigabits per square inch areal density.
Striving to provide more capacity per dollar, disk drive manufacturers have invested heavily in increasing the areal density of their disks, with remarkable results.
Ed Grochowski, Executive Director, IDEMA USA, commented, "Today PMR has become a fully applied technology, responsible for the areal density growth in leading edge disk drive products.
Areal density has grown at an impressive 60 percent compound annual growth rate, historically, and has accelerated to greater than a 100 percent rate since 1999.
However, industry requirements for increased areal density and consumer electronic expansion will continue to drive future investment in perpendicular head technology, transition to smaller femto slider formats and conversion to larger wafer size.