Qixu Chen

Person

Milpitas, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and manufacture process for exchange decoupled first magneti...
- Patent number 8,697,260
- Issue date Apr 15, 2014
- Seagate Technology LLC
- Zhong Stella Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular media with dual soft magnetic layers
- Patent number 8,557,408
- Issue date Oct 15, 2013
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording layer and multilayered soft underlayer
- Patent number 8,338,005
- Issue date Dec 25, 2012
- Seagate Technology LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular media with dual soft magnetic layers
- Patent number 8,147,996
- Issue date Apr 3, 2012
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Nickel based alloy layer for perpendicular recording media
- Patent number 8,053,096
- Issue date Nov 8, 2011
- Seagate Technology LLC
- Alexander Hazanov
- G11 - INFORMATION STORAGE
Information Patent Grant
Multilayer perpendicular media with high-boron or high-carbon addit...
- Patent number 7,323,259
- Issue date Jan 29, 2008
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Highly oriented perpendicular magnetic recording media
- Patent number 7,247,396
- Issue date Jul 24, 2007
- Seagate Technology LLC
- Thomas Patrick Nolan
- G11 - INFORMATION STORAGE
Information Patent Grant
Inter layers for perpendicular recording media
- Patent number 7,235,314
- Issue date Jun 26, 2007
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media with improved crystallograph...
- Patent number 7,175,925
- Issue date Feb 13, 2007
- Seagate Technology LLC
- Qixu David Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Granular perpendicular media with surface treatment for improved ma...
- Patent number 7,169,488
- Issue date Jan 30, 2007
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target and method for making composite soft magnetic fil...
- Patent number 7,041,205
- Issue date May 9, 2006
- Seagate Technology LLC
- Shanghsien Rou
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Tilted recording medium design with (101-2) orientation
- Patent number 6,936,353
- Issue date Aug 30, 2005
- Seagate Technology LLC
- Zhong Stella Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Ruthenium-aluminum underlayer for magnetic recording media
- Patent number 6,908,689
- Issue date Jun 21, 2005
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium with a varying composition underlayer
- Patent number 6,787,251
- Issue date Sep 7, 2004
- Seagate Technology LLC
- Zhong Stella Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Laminated medium with antiferromagnetic stabilization layers
- Patent number 6,759,149
- Issue date Jul 6, 2004
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium with dual magnetic layers and high in-pla...
- Patent number 6,723,374
- Issue date Apr 20, 2004
- Seagate Technology LLC
- Qixu(David) Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Medium with a NiNb sealing layer
- Patent number 6,699,588
- Issue date Mar 2, 2004
- Seagate Technology, Inc.
- Qixu (David) Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Sputtering target and method for making composite soft magnetic films
- Patent number 6,692,619
- Issue date Feb 17, 2004
- Seagate Technology LLC
- Qixu Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic media with high Cr content, non-magnetic CoCrPt intermedia...
- Patent number 6,641,936
- Issue date Nov 4, 2003
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Medium with a seed layer and a B2-structured underlayer
- Patent number 6,596,419
- Issue date Jul 22, 2003
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media comprising a silicon carbide corrosion bar...
- Patent number 6,572,958
- Issue date Jun 3, 2003
- Seagate Technology LLC
- Kueir-Weei Chour
- G11 - INFORMATION STORAGE
Information Patent Grant
CoCrPtTaNbB alloy for magnetic recording medium
- Patent number 6,562,488
- Issue date May 13, 2003
- Seagate Technology LLC
- Qixu (David) Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
High coercivity magnetic recording medium comprising a sputter text...
- Patent number 6,509,083
- Issue date Jan 21, 2003
- Seagate Technology LLC
- Xing Song
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Target shields for improved magnetic properties of a recording medium
- Patent number 6,482,301
- Issue date Nov 19, 2002
- Seagate Technology, Inc.
- Qixu Chen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High coercivity magnetic recording medium comprising a sputter text...
- Patent number 6,472,049
- Issue date Oct 29, 2002
- Seagate Technology LLC
- Xing Song
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium with dual magnetic layers and high in-pla...
- Patent number 6,461,750
- Issue date Oct 8, 2002
- Seagate Technology, Inc.
- Qixu (David) Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium with a nialru seedlayer
- Patent number 6,432,562
- Issue date Aug 13, 2002
- Seagate Technology LLC
- Stella Z. Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Media with a metal oxide sealing layer
- Patent number 6,416,881
- Issue date Jul 9, 2002
- Seagate Technology LLC
- Lin Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
CoCrPtB medium with a 1010 crystallographic orientation
- Patent number 6,403,241
- Issue date Jun 11, 2002
- Seagate Technology, Inc.
- Qixu (David) Chen
- C30 - CRYSTAL GROWTH
Information Patent Grant
Recording media with a TiW sealing layer
- Patent number 6,376,097
- Issue date Apr 23, 2002
- Seagate Technology LLC
- Charles Leu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Method and Manufacture Process for Exchange Decoupled First Magneti...
- Publication number 20140178714
- Publication date Jun 26, 2014
- SEAGATE TECHNOLOGY LLC
- Zhong Stella Wu
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MEDIA WITH DUAL SOFT MAGNETIC LAYERS
- Publication number 20120225324
- Publication date Sep 6, 2012
- SEAGATE TECHNOLOGY LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
COMPOSITE PERPENDICULAR MEDIA WITH GRADED ANISOTROPY LAYERS AND EXC...
- Publication number 20110003175
- Publication date Jan 6, 2011
- Seagate Technology LLC
- Bogdan Florin Valcu
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR MEDIA WITH REDUCED SIDE TRACK ERASURE
- Publication number 20100177439
- Publication date Jul 15, 2010
- Seagate Technology LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND MANUFACTURE PROCESS FOR EXCHANGE DECOUPLED FIRST MAGNETI...
- Publication number 20100020441
- Publication date Jan 28, 2010
- Seagate Technology LLC
- Zhong Stella Wu
- G11 - INFORMATION STORAGE
Information Patent Application
NICKEL BASED ALLOYS AS CRYSTAL GROWTH ENHANCING AND MECHANICAL STR...
- Publication number 20100021770
- Publication date Jan 28, 2010
- Seagate Technology LLC
- Alexander Hazanov
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular recording media with Ta transition layer to improve...
- Publication number 20080213628
- Publication date Sep 4, 2008
- Seagate Technology LLC
- Abebe Hailu
- G11 - INFORMATION STORAGE
Information Patent Application
Amorphous soft magnetic layers for perpendicular magnetic recording...
- Publication number 20080085427
- Publication date Apr 10, 2008
- Seagate Technology LLC
- Erol Girt
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media with improved scratch damage...
- Publication number 20080055777
- Publication date Mar 6, 2008
- Seagate Technology LLC
- Shanghsien (Alex) Rou
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media without soft magnetic underl...
- Publication number 20070237986
- Publication date Oct 11, 2007
- Seagate Technology LLC
- Zhong (Stella) Wu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic caplayers for corrosion improvement of granular perpendicu...
- Publication number 20060286413
- Publication date Dec 21, 2006
- Seagate Technology LLC
- Connie Chunling Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular media with dual soft magnetic layers
- Publication number 20060275628
- Publication date Dec 7, 2006
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Epitaxially grown non-oxide magnetic layers for granular perpendicu...
- Publication number 20060246323
- Publication date Nov 2, 2006
- Seagate Technology LLC
- Connie Chunling Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Inter layers for perpendicular recording media
- Publication number 20050202286
- Publication date Sep 15, 2005
- Seagate Technology LLC
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Multilayer perpendicular media with high-boron or high-carbon addit...
- Publication number 20050037237
- Publication date Feb 17, 2005
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Highly oriented perpendicular magnetic recording media
- Publication number 20040258962
- Publication date Dec 23, 2004
- Thomas Patrick Nolan
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media with improved crystallograph...
- Publication number 20040247945
- Publication date Dec 9, 2004
- Seagate Technology LLC
- Qixu David Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Granular perpendicular media with surface treatment for improved ma...
- Publication number 20040247941
- Publication date Dec 9, 2004
- Qixu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Sputtering target and method for making composite soft magnetic fil...
- Publication number 20040045809
- Publication date Mar 11, 2004
- Shanghsien Rou
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Magnetic recording medium with dual magnetic layers and high in-pla...
- Publication number 20030039863
- Publication date Feb 27, 2003
- Seagate Technology LLC
- Qixu (David) Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Medium with a NiNb sealing layer
- Publication number 20020064690
- Publication date May 30, 2002
- Qixu David Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Hardened and lubricated load/unload ramp and method for preparing t...
- Publication number 20010033460
- Publication date Oct 25, 2001
- Seagate Technology LLC
- Serge Jacques Fayeulle
- G11 - INFORMATION STORAGE
Information Patent Application
High coercivity magnetic recording medium comprising a sputter text...
- Publication number 20010010870
- Publication date Aug 2, 2001
- Seagate Technology
- Xing Song
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Person

Patents Grantslast 30 patents

Method and manufacture process for exchange decoupled first magneti...

Perpendicular media with dual soft magnetic layers

Recording layer and multilayered soft underlayer

Perpendicular media with dual soft magnetic layers

Nickel based alloy layer for perpendicular recording media

Multilayer perpendicular media with high-boron or high-carbon addit...

Highly oriented perpendicular magnetic recording media

Inter layers for perpendicular recording media

Perpendicular magnetic recording media with improved crystallograph...

Granular perpendicular media with surface treatment for improved ma...

Sputtering target and method for making composite soft magnetic fil...

Tilted recording medium design with (101-2) orientation

Ruthenium-aluminum underlayer for magnetic recording media

Recording medium with a varying composition underlayer

Laminated medium with antiferromagnetic stabilization layers

Magnetic recording medium with dual magnetic layers and high in-pla...

Medium with a NiNb sealing layer

Sputtering target and method for making composite soft magnetic films

Magnetic media with high Cr content, non-magnetic CoCrPt intermedia...

Medium with a seed layer and a B2-structured underlayer

Magnetic recording media comprising a silicon carbide corrosion bar...

CoCrPtTaNbB alloy for magnetic recording medium

High coercivity magnetic recording medium comprising a sputter text...

Target shields for improved magnetic properties of a recording medium

High coercivity magnetic recording medium comprising a sputter text...

Magnetic recording medium with dual magnetic layers and high in-pla...

Magnetic recording medium with a nialru seedlayer

Media with a metal oxide sealing layer

CoCrPtB medium with a 1010 crystallographic orientation

Recording media with a TiW sealing layer

Patents Applicationslast 30 patents

Method and Manufacture Process for Exchange Decoupled First Magneti...

PERPENDICULAR MEDIA WITH DUAL SOFT MAGNETIC LAYERS

COMPOSITE PERPENDICULAR MEDIA WITH GRADED ANISOTROPY LAYERS AND EXC...

PERPENDICULAR MEDIA WITH REDUCED SIDE TRACK ERASURE

METHOD AND MANUFACTURE PROCESS FOR EXCHANGE DECOUPLED FIRST MAGNETI...

NICKEL BASED ALLOYS AS CRYSTAL GROWTH ENHANCING AND MECHANICAL STR...

Perpendicular recording media with Ta transition layer to improve...

Amorphous soft magnetic layers for perpendicular magnetic recording...

Perpendicular magnetic recording media with improved scratch damage...

Perpendicular magnetic recording media without soft magnetic underl...

Magnetic caplayers for corrosion improvement of granular perpendicu...

Perpendicular media with dual soft magnetic layers

Epitaxially grown non-oxide magnetic layers for granular perpendicu...

Inter layers for perpendicular recording media

Multilayer perpendicular media with high-boron or high-carbon addit...

Highly oriented perpendicular magnetic recording media

Perpendicular magnetic recording media with improved crystallograph...

Granular perpendicular media with surface treatment for improved ma...

Sputtering target and method for making composite soft magnetic fil...

Magnetic recording medium with dual magnetic layers and high in-pla...

Medium with a NiNb sealing layer

Hardened and lubricated load/unload ramp and method for preparing t...

High coercivity magnetic recording medium comprising a sputter text...