Wan-hee Choi

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Cheonan-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Handler and process for testing a semiconductor chips using the han...
- Patent number 7,772,834
- Issue date Aug 10, 2010
- Mirae Corporation
- Jung Ug An
- G01 - MEASURING TESTING
Information Patent Grant
System and method for transferring trays within a test handler
- Patent number 7,495,463
- Issue date Feb 24, 2009
- Mirae Corporation
- Jung Ug An
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
HANDLER AND PROCESS FOR TESTING A SEMICONDUCTOR CHIPS USING THE HAN...
- Publication number 20090033352
- Publication date Feb 5, 2009
- Jung Ug AN
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR TRANSFERRING TRAYS WITHIN A TEST HANDLER
- Publication number 20080297140
- Publication date Dec 4, 2008
- Jung Ug AN
- G01 - MEASURING TESTING
Information Patent Application
PUSHING BLOCK AND AND A HANDLER WITH THE PUSHING BLOCK
- Publication number 20080074120
- Publication date Mar 27, 2008
- MIRAE CORPORATION
- Jung-ug AHN
- G01 - MEASURING TESTING
Information Patent Application
PICKER AND HEAD ASSEMBLY WITH THE PICKERS
- Publication number 20080075574
- Publication date Mar 27, 2008
- MIRAE CORPORATION
- Jung-ug AHN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
HANDLER
- Publication number 20080071409
- Publication date Mar 20, 2008
- MIRAE CORPORATION
- Jung-ug AHN
- G01 - MEASURING TESTING