But instead of using a magnetic head in the drive to make the changes, the magnets were built into the disk itself.
12.
The first generation of machines used a magnetic head, like those in audio cassette players, to read the ink on a dollar bill.
13.
In fact, one Japanese company, manufacturing magnetic heads and rotary transformers, has achieved productivity levels equal to its factories in Japan and Taiwan.
14.
"We see higher investment returns in areas such as magnetic heads and media using fiber optic cables, " said Hiroshi Hatakeyama, a TDK spokesman.
15.
A magnetic head on the other side of the disc alters the polarity of the heated area, recording the digital data onto the disk.
16.
"We see higher investment returns in areas such as magnetic heads and media using optic fiber cables, " said Hiroshi Hatakeyama, a TDK spokesman.
17.
The only physical contact is during recording when a magnetic head is brought into contact with the side of the disc opposite to the laser.
18.
Video cassette recorders differ substantially from audio recorders due to the use of a rotating magnetic head that uses a helical scan over the tape medium.
19.
AMS has partnered with a telecommunications company and a manufacturer of magnetic heads for disk drives and tape drives, reflecting the two sides of its business.
20.
The technology is based on a new head design that aims to integrate optical elements with a more traditional magnetic head, expanding the disk's storage capacity.
