This letter reports the fabrication of polycrystalline silicon thin-film transistors (poly-Si TFT) on glass substrates using Al oxide films by anodizing. The a-Si films were deposited with mixture gas of argon and helium to minimize the argon incorporation into the film. The a-Si films were then laser crystallized using XeCl excimer laser irradiation and a fourmask-processed poly-Si TFTs were fabricated with fully selfaligned top gate structure.
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