Inventor
AHLERT RICHARD H
US9 patents
Patents
9 patentsUS5051288ASep 24, 1991
Thin film magnetic recording disk comprising alternating layers of a CoNi or CoPt alloy and a non-magnetic spacer layer
IBM64 citations95
US5227212AJul 13, 1993
Magnetic recording disk, magnetoresistive read head, inductive write head combination
IBM49 citations92
US4749628AJun 7, 1988
Multilayered vertical magnetic recording medium
IBM36 citations90
US4654276AMar 31, 1987
Magnetic recording medium with an underlayer and a cobalt-based magnetic layer
IBM35 citations90
US5828532AOct 27, 1998
Getter layer lead structure for eliminating resistance increase phenomena and embrittlement and method for making the same
IBM16 citations82
US5030494AJul 9, 1991
Carbon overcoat for a thin film magnetic recording disk containing discrete clusters of tungsten (W) or tungsten carbide (WC) which project from the surface of the overcoat
IBM21 citations81
US5149409ASep 22, 1992
Process for fabricating thin film metal alloy magnetic recording disks to selectively variable coercivities
IBM7 citations73
US5492775AFeb 20, 1996
Barium ferrite thin film for longitudinal recording
IBM13 citations72
US5552204ASep 3, 1996
Magnetic disk with boron carbide overcoat layer
IBM8 citations70