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LASER ANNEALING APPARATUS, AND FABRICATION METHODS OF POLYCRYSTALLINE SILICON THIN FILM AND THIN FILM TRANSISTOR
LASER ANNEALING APPARATUS, AND FABRICATION METHODS OF POLYCRYSTALLINE SILICON THIN FILM AND THIN FILM TRANSISTOR
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机译:激光退火设备及多晶硅硅薄膜和薄膜晶体管的制备方法
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摘要
A laser annealing apparatus, a fabrication method of a polysilicon thin film, and a fabrication method of a thin film transistor are provided. The laser annealing apparatus includes: a laser generator, an optical system and an annealing chamber. The laser generator is configured to emit a laser beam, and the laser beam is guided to the annealing chamber via the optical system. The optical system includes a beam splitter, the beam splitter decomposes the laser beam into a first beam and a second beam, an energy density of the first beam is greater than an energy density of the second beam, and the first beam and the second beam are guided into the annealing chamber for laser annealing.
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