Song Hu

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for detecting focal plane based on grating talbot effect
- Patent number 10,025,205
- Issue date Jul 17, 2018
- The Institute of Optics and Electronics
- Xianchang Zhu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High accuracy measurement system for focusing and leveling
- Patent number 9,846,373
- Issue date Dec 19, 2017
- The Institute of Optics and Electronics, The Chinese Academy of Sciences
- Yanli Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for detecting focus plane based on Hartmann wavefront detect...
- Patent number 9,400,220
- Issue date Jul 26, 2016
- The Institute of Optics and Electronics, The Chinese Academy of Sciences
- Xianchang Zhu
- G01 - MEASURING TESTING
Information Patent Grant
Focus detection apparatus for projection lithography system
- Patent number 8,760,626
- Issue date Jun 24, 2014
- The Institute of Optics and Electronics
- Jinlong Li
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Customizing equipment for individualized contact lenses
- Patent number 8,061,841
- Issue date Nov 22, 2011
- Institute of Optics & Electronics, Chinese Academy of Sciences
- Yudong Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HIGH ACCURACY MEASUREMENT SYSTEM FOR FOCUSING AND LEVELING
- Publication number 20170131641
- Publication date May 11, 2017
- The Institute of Optics and Electronics, The Chinese Academy of Sciences
- Yanli Li
- G02 - OPTICS
Information Patent Application
METHOD FOR DETECTING FOCAL PLANE BASED ON GRATING TALBOT EFFECT
- Publication number 20160091372
- Publication date Mar 31, 2016
- The Institute of Optics and Electronics, The Chinese Academy of Sciences
- Xianchang ZHU
- G01 - MEASURING TESTING
Information Patent Application
FOCUS DETECTION APPARATUS FOR PROJECTION LITHOGRAPHY SYSTEM
- Publication number 20130027679
- Publication date Jan 31, 2013
- The Institute of Optics and Electronics, The Chinese Academy of Sciences
- Jinlong LI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Customizing equipment for individualized contact lenses
- Publication number 20080062390
- Publication date Mar 13, 2008
- Institute of Optics and Electronics, Chinese Academy of Sciences
- Yudong Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL