Inventor
MCNAB ROBERT J
US16 patents
⚠️ This page may combine multiple inventors who share the name “MCNAB ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN DIGITAL TECH INC
15 patentsUS6937420B1Aug 30, 2005
Determining repeatable runout cancellation information using PES information generated during self servo-writing operations
WESTERN DIGITAL TECH INC163 citations99
US7489464B1Feb 10, 2009
Servo writing a disk drive using a secondary actuator to control skew angle
WESTERN DIGITAL TECH INC120 citations98
US7304819B1Dec 4, 2007
Method for writing repeatable runout correction values to a magnetic disk of a disk drive
WESTERN DIGITAL TECH INC114 citations98
US7298574B1Nov 20, 2007
Servo writing a disk drive using correction values that attenuate phase error propagation
WESTERN DIGITAL TECH INC112 citations98
US7280319B1Oct 9, 2007
Suspension assembly with piezoelectric microactuators electrically connected to a folded flex circuit segment
WESTERN DIGITAL TECH INC85 citations98
US7027256B1Apr 11, 2006
Disk drive having servo sectors that store repeatable runout correction values and related error correction code data
WESTERN DIGITAL TECH INC125 citations98
US6972922B1Dec 6, 2005
Disk drive having internal data structures for efficiently storing repeatable runout cancellation information
WESTERN DIGITAL TECH INC120 citations98
US6963465B1Nov 8, 2005
Method for preventing radial error propagation during self-servowriting of tracks in a magnetic disk drive
WESTERN DIGITAL TECH INC116 citations98
US7353524B1Apr 1, 2008
Disk drive with airflow channeling enclosure
WESTERN DIGITAL TECH INC115 citations97
US6924959B1Aug 2, 2005
Reducing estimation period for repeatable runout errors in a disk drive
WESTERN DIGITAL TECH INC121 citations97
US7215514B1May 8, 2007
Method of operating a disk drive including rotating a perpendicular write head to reduce a difference between skew and taper angles, and a disk drive
WESTERN DIGITAL TECH INC72 citations96
US7502192B1Mar 10, 2009
Magnetic disk drive and method for efficiently determining and storing RRO compensation values using a secondary micro-actuator
WESTERN DIGITAL TECH INC112 citations95
US6972924B1Dec 6, 2005
Disk drive attenuating excitation of arm vibration mode by simultaneously driving secondary actuator for non-active head
WESTERN DIGITAL TECH INC67 citations95
US6900958B1May 31, 2005
Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences
WESTERN DIGITAL TECH INC123 citations95
US9379311B1Jun 28, 2016
Apparatus for manufacturing piezoelectric actuators
WESTERN DIGITAL TECH INC0 citations52