IMPROVING THE UNIFORMITY OF POLY-SI FILMS USING A NEW EXCIMER LASER ANNEALING METHOD FOR GIANT-MICROELECTRONICS

被引:54
|
作者
KURIYAMA, H [1 ]
KUWAHARA, T [1 ]
ISHIDA, S [1 ]
NOHDA, T [1 ]
SANO, K [1 ]
IWATA, H [1 ]
NOGUCHI, S [1 ]
KIYAMA, S [1 ]
TSUDA, S [1 ]
NAKANO, S [1 ]
OSUMI, M [1 ]
KUWANO, Y [1 ]
机构
[1] GIANT ELECTR TECHNOL CO LTD,CHUO KU,TOKYO 103,JAPAN
关键词
POLY-SI; EXCIMER LASER; LASER ANNEALING; UNIFORMITY; FIELD EFFECT MOBILITY; SOLIDIFICATION VELOCITY;
D O I
10.1143/JJAP.31.4550
中图分类号
O59 [应用物理学];
学科分类号
摘要
Film uniformity is the main problem when applying laser-recrystallised poly-Si films to thin film transistors (TFTs) in giant micro electronics. However, this has been dramatically improved by a new excimer laser annealing method in which the solidification process of molten Si is controlled by low-temperature (less-than-or-equal-to 400-degrees-C) substrate heating during excimer laser annealing. Poly-Si TFT fabricated around the laser irradiation overlap region exhibited a high field effect mobility uniformity of within +/- 8%.
引用
收藏
页码:4550 / 4554
页数:5
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