Inventor · disambiguated record
Robert J. Mcnab
Also filed as: MCNAB ROBERT · MCNAB ROBERT J
20 granted patents·1 pending application·1,613 citations·filing 2003–2023
97Inventor score
Top patents by PatentIndex Score
21 records- 0198US7489464B1Servo writing a disk drive using a secondary actuator to control skew angleWESTERN DIGITAL TECH INC·Filed 2005·Granted Feb 10, 2009·120 cites·16 claims
- 0298US7304819B1Method for writing repeatable runout correction values to a magnetic disk of a disk driveWESTERN DIGITAL TECH INC·Filed 2005·Granted Dec 4, 2007·114 cites·12 claims
- 0398US7298574B1Servo writing a disk drive using correction values that attenuate phase error propagationWESTERN DIGITAL TECH INC·Filed 2006·Granted Nov 20, 2007·112 cites·12 claims
- 0498US7280319B1Suspension assembly with piezoelectric microactuators electrically connected to a folded flex circuit segmentWESTERN DIGITAL TECH INC·Filed 2005·Granted Oct 9, 2007·85 cites·27 claims
- 0598US7027256B1Disk drive having servo sectors that store repeatable runout correction values and related error correction code dataWESTERN DIGITAL TECH INC·Filed 2003·Granted Apr 11, 2006·125 cites·20 claims
- 0698US6972922B1Disk drive having internal data structures for efficiently storing repeatable runout cancellation informationWESTERN DIGITAL TECH INC·Filed 2003·Granted Dec 6, 2005·120 cites·15 claims
- 0798US6963465B1Method for preventing radial error propagation during self-servowriting of tracks in a magnetic disk driveWESTERN DIGITAL TECH INC·Filed 2004·Granted Nov 8, 2005·116 cites·5 claims
- 0898US6937420B1Determining repeatable runout cancellation information using PES information generated during self servo-writing operationsWESTERN DIGITAL TECH INC·Filed 2004·Granted Aug 30, 2005·163 cites·8 claims
- 0997US7353524B1Disk drive with airflow channeling enclosureWESTERN DIGITAL TECH INC·Filed 2004·Granted Apr 1, 2008·115 cites·21 claims
- 1097US6924959B1Reducing estimation period for repeatable runout errors in a disk driveWESTERN DIGITAL TECH INC·Filed 2003·Granted Aug 2, 2005·121 cites·15 claims
- 1195US7215514B1Method of operating a disk drive including rotating a perpendicular write head to reduce a difference between skew and taper angles, and a disk driveWESTERN DIGITAL TECH INC·Filed 2004·Granted May 8, 2007·72 cites·14 claims
- 1294US8756776B1Method for manufacturing a disk drive microactuator that includes a piezoelectric element and a peripheral encapsulation layerCHEN YIH-JEN D·Filed 2009·Granted Jun 24, 2014·46 cites·5 claims
- 1394US7502192B1Magnetic disk drive and method for efficiently determining and storing RRO compensation values using a secondary micro-actuatorWESTERN DIGITAL TECH INC·Filed 2006·Granted Mar 10, 2009·112 cites·10 claims
- 1494US6972924B1Disk drive attenuating excitation of arm vibration mode by simultaneously driving secondary actuator for non-active headWESTERN DIGITAL TECH INC·Filed 2004·Granted Dec 6, 2005·67 cites·16 claims
- 1594US6900958B1Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrencesWESTERN DIGITAL TECH INC·Filed 2003·Granted May 31, 2005·123 cites·24 claims
- 1678US11935560B2Hard disk drive multiple contact disk clampWESTERN DIGITAL TECH INC·Filed 2023·Granted Mar 19, 2024·1 cites·11 claims
- 1777US11955139B2Hard disk drive multiple contact disk spindle motor hub flangeWESTERN DIGITAL TECH INC·Filed 2023·Granted Apr 9, 2024·1 cites·12 claims
- 1856US9379311B1Apparatus for manufacturing piezoelectric actuatorsWESTERN DIGITAL TECH INC·Filed 2014·Granted Jun 28, 2016·0 cites·13 claims
- 1951US12230303B2Center structure having attachment support for an actuator in a multi-actuator hard disk driveWESTERN DIGITAL TECH INC·Filed 2023·Granted Feb 18, 2025·0 cites·13 claims
- 2051US2016300590A1Method for manufacturing a disk drive microactuator that includes a piezoelectric element and a peripheral encapsulation layerWESTERN DIGITAL TECH INC·Filed 2016·Application pending·0 cites
- 2146US12387755B2Hard disk drive disk media curvature mitigationWESTERN DIGITAL TECH INC·Filed 2023·Granted Aug 12, 2025·0 cites·17 claims
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