Lei Duan

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing semiconductor devices applied in flip chip tec...
- Patent number 9,196,534
- Issue date Nov 24, 2015
- Alpha and Omega Semiconductor Incorporated
- Yan Xun Xue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Packaging method of molded wafer level chip scale package (WLCSP)
- Patent number 8,778,735
- Issue date Jul 15, 2014
- Alpha & Omega Semiconductor, Inc.
- Yan Xun Xue
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Packaging method of molded wafer level chip scale package (WLCSP)
- Patent number 8,563,361
- Issue date Oct 22, 2013
- Alpha & Omega Semiconductor, Inc.
- Yan Xun Xue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wafer level packaging method of encapsulating the bottom and side o...
- Patent number 8,486,803
- Issue date Jul 16, 2013
- Alpha & Omega Semiconductor, Inc.
- Ping Huang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING SEMICONDUCTOR DEVICES APPLIED IN FLIP CHIP TEC...
- Publication number 20140242756
- Publication date Aug 28, 2014
- ALPHA & OMEGA SEMICONDUCTOR INCORPORATED
- Yan Xun Xue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PACKAGING METHOD OF MOLDED WAFER LEVEL CHIP SCALE PACKAGE (WLCSP)
- Publication number 20130210195
- Publication date Aug 15, 2013
- Yan Xun Xue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAFER LEVEL PACKAGING METHOD OF ENCAPSULATING THE BOTTOM AND SIDE O...
- Publication number 20130095612
- Publication date Apr 18, 2013
- Ping Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of Avoiding Resin Outflow from the Wafer Scribe line in WLCSP
- Publication number 20120142165
- Publication date Jun 7, 2012
- Ping Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR PACKAGE PROCESS WITH IMPROVED DIE ATTACH METHOD FOR U...
- Publication number 20110294262
- Publication date Dec 1, 2011
- Ping Huang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Insulated Gate Bipolar Transistor (IGBT) Collector Formed with Ge/A...
- Publication number 20100327314
- Publication date Dec 30, 2010
- Ping Huang
- H01 - BASIC ELECTRIC ELEMENTS