Xiaodong Che

Person

Saratoga, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Angled free layer for multi-level read signals
- Patent number 11,688,427
- Issue date Jun 27, 2023
- Western Digital Technologies, Inc.
- Zhen Jin
- G11 - INFORMATION STORAGE
Information Patent Grant
Implementing channel signal processing assist with ECS contact dete...
- Patent number 8,736,996
- Issue date May 27, 2014
- HGST Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic write head having a trailing wrap-around mag...
- Patent number 8,537,496
- Issue date Sep 17, 2013
- HGST Netherlands B.V.
- Zhihao Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for detecting low flying sliders
- Patent number 8,405,927
- Issue date Mar 26, 2013
- HGST Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for characterizing a magnetic-recording system for the prese...
- Patent number 8,120,866
- Issue date Feb 21, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Synchronized rewriting of data
- Patent number 8,116,021
- Issue date Feb 14, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Michael Alex
- G11 - INFORMATION STORAGE
Information Patent Grant
Shaped trailing shield of a perpendicular recording write element
- Patent number 7,821,736
- Issue date Oct 26, 2010
- Hitachi Global Storage Technologies Netherlands, B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying height measurement and control with user data signal
- Patent number 7,542,227
- Issue date Jun 2, 2009
- Samsung Electronics Co., Ltd.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
System, method, and apparatus for monitoring stray magnetic fields...
- Patent number 7,538,963
- Issue date May 26, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Winged pole and shield structure for reducing stray field in a perp...
- Patent number 7,508,628
- Issue date Mar 24, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for internal calibration of normalized playbac...
- Patent number 7,420,759
- Issue date Sep 2, 2008
- Samsung Electronics Co., Ltd.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic reader recording characterization at slider or bar level
- Patent number 7,365,531
- Issue date Apr 29, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
System, method, and apparatus for in-situ stray magnetic field meas...
- Patent number 7,227,711
- Issue date Jun 5, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for determining head-disk contact in a magnetic r...
- Patent number 7,215,495
- Issue date May 8, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for calibrating and controlling a fly-height actu...
- Patent number 7,180,692
- Issue date Feb 20, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin stand testing system with fine positioner for head stack assembly
- Patent number 7,131,346
- Issue date Nov 7, 2006
- Western Digital (Fremont), Inc.
- Jagdeep S. Buttar
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for optimizing record quality with varying tra...
- Patent number 7,133,241
- Issue date Nov 7, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Full track profile derivative method for read and write width measu...
- Patent number 7,119,537
- Issue date Oct 10, 2006
- Hitachi Global Storage Technologies, Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
IMPLEMENTING CHANNEL SIGNAL PROCESSING ASSIST WITH ECS CONTACT DETE...
- Publication number 20130308220
- Publication date Nov 21, 2013
- HGST NETHERLANDS B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MAGNETIC WRITE HEAD HAVING A TRAILING WRAP-AROUND MAG...
- Publication number 20120026628
- Publication date Feb 2, 2012
- Zhihao Li
- G11 - INFORMATION STORAGE
Information Patent Application
SYNCHRONIZED REWRITING OF DATA
- Publication number 20110128646
- Publication date Jun 2, 2011
- Michael Alex
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR CHARACTERIZING A MAGNETIC-RECORDING SYSTEM FOR THE PRESE...
- Publication number 20110026154
- Publication date Feb 3, 2011
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Flying height measurement and control with user data signal
- Publication number 20090002870
- Publication date Jan 1, 2009
- Samsung Electronics Co., Ltd.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Fabrication of discrete track media for narrow groove and improved...
- Publication number 20080259482
- Publication date Oct 23, 2008
- Samsung Electronics Co., Ltd.
- Kiseok Moon
- G11 - INFORMATION STORAGE
Information Patent Application
Write head tester
- Publication number 20080158705
- Publication date Jul 3, 2008
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method for internal calibration of normalized playbac...
- Publication number 20080100943
- Publication date May 1, 2008
- SAMSUNG ELECTRONICS CO., LTD.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method for detecting low flying sliders
- Publication number 20080080086
- Publication date Apr 3, 2008
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for predicting contact of a read-write head in...
- Publication number 20080055772
- Publication date Mar 6, 2008
- Chris McMillan
- G11 - INFORMATION STORAGE
Information Patent Application
Shaped trailing shield of a perpendicular recording write element
- Publication number 20070236831
- Publication date Oct 11, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
System, method, and apparatus for monitoring stray magnetic fields...
- Publication number 20070223128
- Publication date Sep 27, 2007
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR OPTIMIZING RECORD QUALITY WITH VARYING TRA...
- Publication number 20060227449
- Publication date Oct 12, 2006
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic reader recording characterization at slider or bar level
- Publication number 20060119354
- Publication date Jun 8, 2006
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Winged pole and shield structure for reducing stray field in a perp...
- Publication number 20060092569
- Publication date May 4, 2006
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
System, method, and apparatus for in-situ stray magnetic field meas...
- Publication number 20060092543
- Publication date May 4, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Full track profile derivative method for read and write width measu...
- Publication number 20060066300
- Publication date Mar 30, 2006
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Xiaodong Che
- G11 - INFORMATION STORAGE

Xiaodong Che

Person

Patents Grantslast 30 patents

Angled free layer for multi-level read signals

Implementing channel signal processing assist with ECS contact dete...

Perpendicular magnetic write head having a trailing wrap-around mag...

Apparatus and method for detecting low flying sliders

Method for characterizing a magnetic-recording system for the prese...

Synchronized rewriting of data

Shaped trailing shield of a perpendicular recording write element

Flying height measurement and control with user data signal

System, method, and apparatus for monitoring stray magnetic fields...

Winged pole and shield structure for reducing stray field in a perp...

Apparatus and method for internal calibration of normalized playbac...

Magnetic reader recording characterization at slider or bar level

System, method, and apparatus for in-situ stray magnetic field meas...

System and method for determining head-disk contact in a magnetic r...

System and method for calibrating and controlling a fly-height actu...

Spin stand testing system with fine positioner for head stack assembly

Method and apparatus for optimizing record quality with varying tra...

Full track profile derivative method for read and write width measu...

Patents Applicationslast 30 patents

IMPLEMENTING CHANNEL SIGNAL PROCESSING ASSIST WITH ECS CONTACT DETE...

PERPENDICULAR MAGNETIC WRITE HEAD HAVING A TRAILING WRAP-AROUND MAG...

SYNCHRONIZED REWRITING OF DATA

METHOD FOR CHARACTERIZING A MAGNETIC-RECORDING SYSTEM FOR THE PRESE...

Flying height measurement and control with user data signal

Fabrication of discrete track media for narrow groove and improved...

Write head tester

Apparatus and method for internal calibration of normalized playbac...

Apparatus and method for detecting low flying sliders

Method and apparatus for predicting contact of a read-write head in...

Shaped trailing shield of a perpendicular recording write element

System, method, and apparatus for monitoring stray magnetic fields...

METHOD AND APPARATUS FOR OPTIMIZING RECORD QUALITY WITH VARYING TRA...

Magnetic reader recording characterization at slider or bar level

Winged pole and shield structure for reducing stray field in a perp...

System, method, and apparatus for in-situ stray magnetic field meas...

Full track profile derivative method for read and write width measu...