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Lijie Zhao
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Pleasanton, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Method of making an ultra-sharp tip mode converter for a HAMR head
Patent number
9,202,493
Issue date
Dec 1, 2015
Western Digital (Fremont), LLC
Dujiang Wan
G11 - INFORMATION STORAGE
Information
Patent Grant
Method to make interferometric taper waveguide for HAMR light delivery
Patent number
9,183,854
Issue date
Nov 10, 2015
Western Digital (Fremont), LLC
Dujiang Wan
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for CMP with large feature size variation
Patent number
8,846,534
Issue date
Sep 30, 2014
Western Digital (Fremont), LLC
Yunfei Li
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for lifting off photoresist beneath an overlayer
Patent number
8,357,244
Issue date
Jan 22, 2013
Western Digital (Fremont), LLC
Lijie Zhao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Mask for increased uniformity in ion beam deposition
Patent number
8,308,921
Issue date
Nov 13, 2012
Western Digital (Fremont), LLC
Hugh C. Hiner
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Method and apparatus for lifting off photoresist beneath an overlayer
Patent number
8,163,185
Issue date
Apr 24, 2012
Western Digital (Fremont), LLC
Hai Sun
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
METHOD TO MAKE INTERFEROMETRIC TAPER WAVEGUIDE FOR HAMR LIGHT DELIVERY
Publication number
20160099013
Publication date
Apr 7, 2016
WESTERN DIGITAL (FREMONT), LLC
DUJIANG WAN
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD TO MAKE INTERFEROMETRIC TAPER WAVEGUIDE FOR HAMR LIGHT DELIVERY
Publication number
20150243304
Publication date
Aug 27, 2015
WESTERN DIGITAL (FREMONT), LLC
DUJIANG WAN
G11 - INFORMATION STORAGE