Duan; Shanlin

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duan; Shanlin.The latest application filed is for "simulating discrete track media with continuous media for head evaluation".

Company Profile

2.25.22

Duan; Shanlin - Fremont CA US
- Fremont CA US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Reducing slider bounce in a hard disk drive Grant 8,958,178 - Duan , et al. February 17, 2	2015-02-17
High sensitivity glide sensor using frictional heating Grant 08618793 -	2013-12-31
High sensitivity glide sensor using frictional heating Grant 8,618,793 - Duan , et al. December 31, 2	2013-12-31
Simulating discrete track media with continuous media for head evaluation Grant 8,395,857 - Zhang , et al. March 12, 2	2013-03-12
Simulating Discrete Track Media With Continuous Media For Head Evaluation App 20120113538 - Zhang; Kezhao ; et al.	2012-05-10
Testing magnetic disk performance with a single slider simulating sliders of various disk drive systems Grant 8,174,783 - Duan , et al. May 8, 2	2012-05-08
One magnetic sided media for low cost and low capacity applications Grant 8,133,530 - Duan , et al. March 13, 2	2012-03-13
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 Grant 8,102,613 - Duan , et al. January 24, 2	2012-01-24
Determination of the quality of an erase process for perpendicular magnetic recording disks Grant 7,969,675 - Duan , et al. June 28, 2	2011-06-28
High Sensitivity Glide Sensor Using Frictional Heating App 20110149706 - Duan; Shanlin ; et al.	2011-06-23
Glide test heads using heating elements to form a planar detection surface Grant 7,946,156 - Duan , et al. May 24, 2	2011-05-24
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 App 20110075286 - Duan; Shanlin ; et al.	2011-03-31
Reducing Slider Bounce In A Hard Disk Drive App 20110026167 - Duan; Shanlin ; et al.	2011-02-03
Testing Magnetic Disk Performance With A Single Slider Simulating Sliders Of Various Disk Drive Systems App 20110019298 - Duan; Shanlin ; et al.	2011-01-27
Method For Direct Head-disk Clearance Measurement By Slider Vibration And Fly Height Calibration App 20100142344 - Duan; Shanlin ; et al.	2010-06-10
System, method and apparatus for direct head-disk clearance measurement by slider vibration and fly height calibration Grant 7,724,462 - Duan , et al. May 25, 2	2010-05-25
Determination Of The Quality Of An Erase Process For Perpendicular Magnetic Recording Disks App 20100118423 - Duan; Shanlin ; et al.	2010-05-13
Apparatus, system, and method for detection of fly height margin using controlled excitation of air bearing mode Grant 7,692,888 - Duan , et al. April 6, 2	2010-04-06
System, Method And Apparatus For Direct Head-disk Clearance Measurement By Slider Vibration And Fly Height Calibration App 20100027152 - Duan; Shanlin ; et al.	2010-02-04
One magnetic sided media for low cost and low capacity applications App 20100020442 - Duan; Shanlin ; et al.	2010-01-28
Glide Test Heads Using Heating Elements To Form A Planar Detection Surface App 20090165539 - Duan; Shanlin ; et al.	2009-07-02
Method and system for testing of magnetic disks using F-BER Grant 7,529,049 - Duan , et al. May 5, 2	2009-05-05
Apparatus, System, And Method For Detection Of Fly Height Margin Using Controlled Excitation Of Air Bearing Mode App 20080137225 - Duan; Shanlin ; et al.	2008-06-12
Method and system for testing of magnetic disks using F-BER App 20080062549 - Duan; Shanlin ; et al.	2008-03-13
System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer Grant 7,271,967 - Shi , et al. September 18, 2	2007-09-18
System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording Grant 7,173,415 - Duan , et al. February 6, 2	2007-02-06
System, Method, And Apparatus For Detecting Signal-to-noise Ratio Decay In Perpendicular Magnetic Recording App 20070024276 - Duan; Shanlin ; et al.	2007-02-01
System, method, and apparatus for glide head calibration with enhanced PZT channel for very low qualification glide heights Grant 7,121,133 - Chu , et al. October 17, 2	2006-10-17
System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer App 20060092538 - Shi; Zhupei ; et al.	2006-05-04
System, method, and apparatus for glide head calibration with enhanced PZT channel for very low qualification glide heights App 20050262922 - Chu, Norman ; et al.	2005-12-01
Method of detecting polarity reversal in a magnetoresistive sensor Grant 6,965,229 - Duan , et al. November 15, 2	2005-11-15
Method of detecting polarity reversal in a magnetoresistive sensor App 20050024046 - Duan, Shanlin ; et al.	2005-02-03
Glide slider fly height calibration method using disk spin down and slider dynamic scan Grant 6,771,453 - Baumgartner , et al. August 3, 2	2004-08-03
Apparatus and method for glide height calibration of disk surfaces by use of dual-zone laser texture Grant 6,662,623 - Baumgartner , et al. December 16, 2	2003-12-16
Thin film delamination detection App 20030107830 - Baumgartner, Bradley Frederick ; et al.	2003-06-12
Glide slider fly height calibration method using disk spin down and slider dynamic scan App 20030086197 - Baumgartner, Bradley Frederick ; et al.	2003-05-08
Thin Film Delamination Detection App 20030085701 - Baumgartner, Bradley Frederick ; et al.	2003-05-08
Apparatus and method for glide height calibration of disk surfaces by use of dual-zone laser texture App 20030051529 - Baumgartner, Bradley Frederick ; et al.	2003-03-20
Disk drive laser melt bump disk for accurate glide calibration and certification processing Grant 6,530,258 - Brannon , et al. March 11, 2	2003-03-11
Disk Drive Laser Melt Bump Disk For Accurate Glide Calibration And Certification Processing App 20030015018 - Brannon, James Hammond ; et al.	2003-01-23
Magnetic read/write head having electromagnetic field cancellation element Grant 6,407,891 - Chang , et al. June 18, 2	2002-06-18
Method for burnishing hard disks App 20020029448 - Duan, Shanlin ; et al.	2002-03-14
Magnetic tester for disk surface scan Grant 6,330,122 - Chang , et al. December 11, 2	2001-12-11
Thin film magnetic disk having reactive element doped refractory metal seed layer Grant 6,174,582 - Bian , et al. January 16, 2	2001-01-16
Thin film disk with onset layer Grant 6,143,388 - Bian , et al. November 7, 2	2000-11-07

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