197751 ⎘
Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Structure or manufacture of heads, e.g. inductive; Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap all the gaps having the same dimension in the direction transverse to the track direction
Narrow band dwell monitoring
#2Process to manufacture a magnetic write head
#3Write head having recessed magnetic material in gap region
#4Write head having recessed magnetic material in gap region
#5Write head having recessed magnetic material in gap region
#6Magnetic head having an insulating layer comprised of an organic layer on an inorganic layer
#7Write-head having recessed magnetic material in gap region
#8Magnetic tape drive with AC erase element upstream from plural head elements