Inventor
BAUMGART PETER MICHAEL
US31 patents
⚠️ This page may combine multiple inventors who share the name “BAUMGART PETER MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
19 patentsUS5951891ASep 14, 1999
Optical apparatus for monitoring profiles of textured spots during a disk texturing process
IBM55 citations93
US5822211AOct 13, 1998
Laser texturing apparatus with dual laser paths having an independently adjusted parameter
IBM58 citations93
US6013336AJan 11, 2000
Procedure employing a diode-pumped laser for controllably texturing a disk surface
IBM28 citations92
US5768076AJun 16, 1998
Magnetic recording disk having a laser-textured surface
IBM32 citations92
USRE37145EApr 24, 2001
Apparatus for laser texturing disks
IBM18 citations91
US6118632ASep 12, 2000
Magnetic disk stack having laser-bump identifiers on magnetic disks
IBM20 citations91
US5699160ADec 16, 1997
Optical apparatus for inspecting laser texture
IBM31 citations91
US5658475AAug 19, 1997
Apparatus for laser texturing disks
IBM26 citations91
US6246543B1Jun 12, 2001
Textured data storage disk having a brittle nonmetallic substrate
IBM17 citations89
US5689057ANov 18, 1997
Calibration disk with disk bumps for calibrating PZT sliders
IBM26 citations89
US5963569AOct 5, 1999
Multiple channel acousto-optic modulators
IBM18 citations84
US5981903ANov 9, 1999
Laser system for simultaneous texturing of two sides of a substrate
IBM19 citations82
US5875084AFeb 23, 1999
Magnetic recording disk having protrusions centered in respective depressions
IBM11 citations73
US5830514ANov 3, 1998
Controlling pulses in a laser texturing tool
IBM12 citations72
US6059555AMay 9, 2000
Optical apparatus for dual-beam laser texturing
IBM11 citations69
US6388229B1May 14, 2002
Method for laser texturing magnetic recording disk
IBM5 citations61
US5940304AAug 17, 1999
Controlling a laser texturing tool having two handling stations for disks to be textured and a single texturing station
IBM4 citations61
US5790433AAug 4, 1998
Method for controlling laser power in a texturing process
IBM5 citations61
US6205002B1Mar 20, 2001
Disk drive with textured slider contact region
IBM6 citations57
HITACHI GLOBAL STORAGE TECH
7 patentsUS7310197B2Dec 18, 2007
Simultaneous measurement of contact potential and slider body clearance in a magnetic disk drive
HITACHI GLOBAL STORAGE TECH34 citations89
US7233451B2Jun 19, 2007
Method for actively controlling electric potential at the head/disk interface of a magnetic recording disk drive
HITACHI GLOBAL STORAGE TECH37 citations89
US7310198B2Dec 18, 2007
Measurement of slider body clearance in a magnetic disk drive using positive and negative electrical pulses
HITACHI GLOBAL STORAGE TECH16 citations82
US7321476B2Jan 22, 2008
Method and system for determining contact potential in a hard disk drive
HITACHI GLOBAL STORAGE TECH8 citations73
US7605996B2Oct 20, 2009
Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk
HITACHI GLOBAL STORAGE TECH7 citations71
US7286314B2Oct 23, 2007
Disk drive with localized clearance and contact potential measurement capability
HITACHI GLOBAL STORAGE TECH8 citations71
US6967818B2Nov 22, 2005
Disk drive head with radially spaced read and write elements on respective protrusion pads
HITACHI GLOBAL STORAGE TECH6 citations62