Chung-Hee Chang

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Interlayer comprising chromium-containing alloy
- Patent number 9,190,095
- Issue date Nov 17, 2015
- Seagate Technology LLC
- Shoutao Wang
- 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
Recording media interlayer structure
- Patent number 8,025,993
- Issue date Sep 27, 2011
- Seagate Technology LLC
- Abebe Hailu
- G11 - INFORMATION STORAGE
Information Patent Grant
Oxygen plasma post-deposition treatment of magnetic recording media
- Patent number 7,354,618
- Issue date Apr 8, 2008
- Seagate Technology LLC
- Chung-Hee Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Magnetic anisotropy of soft-underlayer induced by seedlayer
- Patent number 7,192,663
- Issue date Mar 20, 2007
- Seagate Technology LLC
- Chung-Hee Chang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
In-situ post-deposition oxidation treatment for improved magnetic r...
- Patent number 7,081,268
- Issue date Jul 25, 2006
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Amorphous soft underlayers for perpendicular recording media
- Patent number 7,060,376
- Issue date Jun 13, 2006
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic anisotropy of soft-underlayer induced by magnetron field
- Patent number 6,914,749
- Issue date Jul 5, 2005
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media with improved interlayer
- Patent number 6,777,066
- Issue date Aug 17, 2004
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic anisotrophy of soft-underlayer induced by seedlayer
- Patent number 6,709,773
- Issue date Mar 23, 2004
- Seagate Technology, Inc.
- Chung-Hee Chang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Texture-induced magnetic anisotropy of soft underlayers for perpend...
- Patent number 6,667,118
- Issue date Dec 23, 2003
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Interlayer comprising chromium-containing alloy
- Publication number 20140186658
- Publication date Jul 3, 2014
- SEAGATE TECHNOLOGY LLC
- Shoutao Wang
- 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
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
Granular perpendicular magnetic recording media with multi-interlay...
- Publication number 20080204933
- Publication date Aug 28, 2008
- Seagate Technology LLC
- Abebe Hailu
- 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
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
Magnetic anisotropy of soft-underlayer induced by magnetron field
- Publication number 20050163037
- Publication date Jul 28, 2005
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Heat-assisted post-deposition oxidation treatment for improved perp...
- Publication number 20050098426
- Publication date May 12, 2005
- Seagate Technology LLC
- Rajiv Ranjan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Oxygen plasma post-deposition treatment of magnetic recording media
- Publication number 20050100664
- Publication date May 12, 2005
- Seagate Technology LLC
- Chung-Hee Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
In-situ post-deposition oxidation treatment for improved magnetic r...
- Publication number 20040247940
- Publication date Dec 9, 2004
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic anisotropy of soft-underlayer induced by seedlayer
- Publication number 20040166377
- Publication date Aug 26, 2004
- Chung-Hee Chang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Pseudo-laminated soft underlayers for perpendicular magnetic record...
- Publication number 20030108776
- Publication date Jun 12, 2003
- Seagate Technology LLC
- Chung-Hee Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic anisotropy of soft-underlayer induced by magnetron field
- Publication number 20020025452
- Publication date Feb 28, 2002
- Chung-Hee Chang
- G11 - INFORMATION STORAGE

Chung-Hee Chang

Person

Patents Grantslast 30 patents

Interlayer comprising chromium-containing alloy

Perpendicular media with dual soft magnetic layers

Recording layer and multilayered soft underlayer

Perpendicular media with dual soft magnetic layers

Recording media interlayer structure

Oxygen plasma post-deposition treatment of magnetic recording media

Inter layers for perpendicular recording media

Magnetic anisotropy of soft-underlayer induced by seedlayer

In-situ post-deposition oxidation treatment for improved magnetic r...

Amorphous soft underlayers for perpendicular recording media

Magnetic anisotropy of soft-underlayer induced by magnetron field

Perpendicular magnetic recording media with improved interlayer

Magnetic anisotrophy of soft-underlayer induced by seedlayer

Texture-induced magnetic anisotropy of soft underlayers for perpend...

Patents Applicationslast 30 patents

Interlayer comprising chromium-containing alloy

PERPENDICULAR MEDIA WITH DUAL SOFT MAGNETIC LAYERS

PERPENDICULAR MEDIA WITH REDUCED SIDE TRACK ERASURE

Granular perpendicular magnetic recording media with multi-interlay...

Perpendicular media with dual soft magnetic layers

Inter layers for perpendicular recording media

Magnetic anisotropy of soft-underlayer induced by magnetron field

Heat-assisted post-deposition oxidation treatment for improved perp...

Oxygen plasma post-deposition treatment of magnetic recording media

In-situ post-deposition oxidation treatment for improved magnetic r...

Magnetic anisotropy of soft-underlayer induced by seedlayer

Pseudo-laminated soft underlayers for perpendicular magnetic record...

Magnetic anisotropy of soft-underlayer induced by magnetron field