Inventor
DUAN SHANLIN
US28 patents
⚠️ This page may combine multiple inventors who share the name “DUAN SHANLIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
11 patentsUS6143388ANov 7, 2000
Thin film disk with onset layer
IBM59 citations96
US6477008B1Nov 5, 2002
Magnetic recording transducer with electronic shield
IBM27 citations92
US6314814B1Nov 13, 2001
Method and apparatus for precise measurement of pressure dependence of head fly height using transitional thermal signals
IBM25 citations92
US6662623B2Dec 16, 2003
Apparatus and method for glide height calibration of disk surfaces by use of dual-zone laser texture
IBM27 citations88
US6526639B2Mar 4, 2003
Method for burnishing hard disks
IBM16 citations84
US6407891B1Jun 18, 2002
Magnetic read/write head having electromagnetic field cancellation element
IBM16 citations83
US6357095B1Mar 19, 2002
Hard disk burnishing head
IBM12 citations73
US6330122B1Dec 11, 2001
Magnetic tester for disk surface scan
IBM9 citations73
US6174582B1Jan 16, 2001
Thin film magnetic disk having reactive element doped refractory metal seed layer
IBM14 citations73
US6530258B2Mar 11, 2003
Disk drive laser melt bump disk for accurate glide calibration and certification processing
IBM4 citations62
US6413608B1Jul 2, 2002
Seed layer and underlayer with high and low oxygen concentration portions for hand disk magnetic recording medium on a glass substrate
IBM5 citations62
HITACHI GLOBAL STORAGE TECH
9 patentsUS6771453B2Aug 3, 2004
Glide slider fly height calibration method using disk spin down and slider dynamic scan
HITACHI GLOBAL STORAGE TECH25 citations86
US6965229B2Nov 15, 2005
Method of detecting polarity reversal in a magnetoresistive sensor
HITACHI GLOBAL STORAGE TECH13 citations84
US7724462B2May 25, 2010
System, method and apparatus for direct head-disk clearance measurement by slider vibration and fly height calibration
HITACHI GLOBAL STORAGE TECH10 citations81
US7692888B2Apr 6, 2010
Apparatus, system, and method for detection of fly height margin using controlled excitation of air bearing mode
HITACHI GLOBAL STORAGE TECH15 citations80
US7121133B2Oct 17, 2006
System, method, and apparatus for glide head calibration with enhanced PZT channel for very low qualification glide heights
HITACHI GLOBAL STORAGE TECH15 citations80
US7271967B2Sep 18, 2007
System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer
HITACHI GLOBAL STORAGE TECH8 citations73
US7173415B1Feb 6, 2007
System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording
HITACHI GLOBAL STORAGE TECH3 citations61
US6580266B2Jun 17, 2003
Thin film delamination detection for magnetic disks
HITACHI GLOBAL STORAGE TECH4 citations59
US7529049B2May 5, 2009
Method and system for testing of magnetic disks using F-BER
HITACHI GLOBAL STORAGE TECH1 citations51
DUAN SHANLIN
5 patentsUS8102613B2Jan 24, 2012
System, method and apparatus for determining track pitch in a hard disk drive to satisfy the requirements of both off-track capacity and adjacent track erasure
DUAN SHANLIN17 citations80
US8618793B2Dec 31, 2013
High sensitivity glide sensor using frictional heating
DUAN SHANLIN3 citations56
US8133530B2Mar 13, 2012
One magnetic sided media for low cost and low capacity applications
DUAN SHANLIN0 citations48
US8174783B2May 8, 2012
Testing magnetic disk performance with a single slider simulating sliders of various disk drive systems
DUAN SHANLIN0 citations38
US8958178B2Feb 17, 2015
Reducing slider bounce in a hard disk drive
DUAN SHANLIN0 citations37