Chang Ju Choi

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
EUV phase-shift SRAF masks by means of embedded phase shift layers
- Patent number 11,300,885
- Issue date Apr 12, 2022
- Intel Corporation
- Robert Bristol
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photomask processing techniques
- Patent number 8,679,706
- Issue date Mar 25, 2014
- Intel Corporation
- Chang Ju Choi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High resolution phase shift mask
- Patent number 8,399,158
- Issue date Mar 19, 2013
- Intel Corporation
- Chang Ju Choi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
EUV PHASE-SHIFT SRAF MASKS BY MEANS OF EMBEDDED PHASE SHIFT LAYERS
- Publication number 20200033736
- Publication date Jan 30, 2020
- Intel Corporation
- Robert BRISTOL
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HIGH RESOLUTION PHOTOMASK OR RETICLE AND ITS METHOD OF FABRICATION
- Publication number 20190025694
- Publication date Jan 24, 2019
- Intel Corporation
- Chang Ju CHOI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOMASK PROCESSING TECHNIQUES
- Publication number 20140030638
- Publication date Jan 30, 2014
- Chang Ju Choi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HIGH RESOLUTION PHASE SHIFT MASK
- Publication number 20120164563
- Publication date Jun 28, 2012
- Chang Ju Choi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY