A view of the internal components of a 1998 magnetic heads arranged on a moving actuator arm that read from and write to the disk surfaces.
22.
Analysts said that perhaps the biggest challenge Quantum faces is ensuring a steady supply of components, including platters for disk drives, electronics and magnetic heads that read disks.
23.
TDK also said its March shipments of magnetic heads used in computer hard-disk drives jumped 20 percent in March, due to a recovery in demand for notebook computers.
24.
The optical servo tracks allow for an increase in the tracking precision of the magnetic head, from the usual 135 tracks per inch to 1, 250 tracks per inch.
25.
It was also considered more durable than magnetic tape, since it is not vulnerable to magnetic fields and is read by lasers instead of physical contact with a magnetic head.
26.
Hopkins, Minnesota-based Innovex, for example, holds 70 percent of the market for hair-thin wires that attach to the magnetic heads used to write and retrieve data from disks inside a drive.
27.
Although IBM was a pioneer in the business of disk drives _ a data-storage medium that uses magnetic heads to read spinning disks _ the company fell behind its faster-moving competitors.
28.
Throughout the 1960s and 1970s it acquired several companies in various industries : printing, sensors and magnetic heads, precision optical and photographic equipment, water quality monitoring equipment, and precision molding equipment.
29.
Although fake CDs do not harm equipment, bogus cassettes are often improperly polished and poorly lubricated and can grind down the metal surface of magnetic heads in tape recorders, requiring costly repairs.
30.
A PaineWebber analyst maintained his rating of " buy " after the maker of magnetic heads for disk drives said that earnings would meet or beat analysts estimates for the quarter ended in December.
