Lingfei Ji

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
High-precision laser machining method for sapphire submicron-order...
- Patent number 10,596,663
- Issue date Mar 24, 2020
- Beijing University of Technology
- Lingfei Ji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
A method of high-precision laser processing sapphire with submicron...
- Publication number 20190366484
- Publication date Dec 5, 2019
- Lingfei Ji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WORK FIXTURE, DEVICE AND METHOD FOR MACHINING THE CUTTING EDGE OF C...
- Publication number 20190210156
- Publication date Jul 11, 2019
- BEIJING UNIVERSITY OF TECHNOLOGY
- Lingfei Ji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR