Yongwei CHANG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for cleaning bonding interface before bonding
- Patent number 10,618,082
- Issue date Apr 14, 2020
- Shanghai Simgui Technology Co., Ltd.
- Xing Wei
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Annealing method for improving bonding strength
- Patent number 10,529,590
- Issue date Jan 7, 2020
- Shanghai Simgui Technology Co., Ltd.
- Xing Wei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing substrate with insulated buried layer
- Patent number 10,388,529
- Issue date Aug 20, 2019
- Shanghai Simgui Technology Co., Ltd.
- Xing Wei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing substrate with carrier trapping center
- Patent number 10,361,114
- Issue date Jul 23, 2019
- Shanghai Simgui Technology Co., Ltd.
- Xing Wei
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANNEALING METHOD FOR IMPROVING BONDING STRENGTH
- Publication number 20180330964
- Publication date Nov 15, 2018
- Shanghai Simgui Tehcnology Co., Ltd.
- Xing WEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PREPARING SUBSTRATE WITH INSULATED BURIED LAYER
- Publication number 20180197741
- Publication date Jul 12, 2018
- Shanghai Simgui Tehcnology Co., Ltd.
- Xing WEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PREPARING SUBSTRATE WITH CARRIER TRAPPING CENTER
- Publication number 20180190539
- Publication date Jul 5, 2018
- Shanghai Simgui Tehcnology Co., Ltd.
- Xing WEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR CLEANING BONDING INTERFACE BEFORE BONDING
- Publication number 20180178257
- Publication date Jun 28, 2018
- Shanghai Simgui Tehcnology Co., Ltd.
- Xing WEI
- H01 - BASIC ELECTRIC ELEMENTS