Apparatus and method for cutting fluoranthene crystal using lithium niobate photoelectric field

By using a lithium niobate photoelectric field to cut micron-sized fluoranthene crystals non-contactly, the problem of existing laser cutting machines being unable to accurately cut micron-sized crystals has been solved, achieving low-cost and high-precision cutting results.

CN115781040BActive Publication Date: 2026-06-26HEBEI UNIV OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEBEI UNIV OF TECH
Filing Date
2022-07-06
Publication Date
2026-06-26

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Abstract

The application discloses a device and method for cutting fluoranthene crystal by using a photo-induced electric field of lithium niobate. The method uses a spatial electric field generated by laser irradiation of iron-doped lithium niobate to realize cutting of micron-size fluoranthene crystal under heating conditions. The whole device is simple to build, and realizes real-time control of the crystal cutting position and residual length. The technology can be applied to various applications of organic field effect transistors and other organic optoelectronics, and has important significance for processing and modification of organic crystals.
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