Method of forming polysilicon film using a laser annealing apparatus
a technology of laser annealing and polysilicon film, which is applied in the direction of coating, chemical vapor deposition coating, metallic material coating process, etc., can solve the problems of hardly stabilizing the atmosphere, the size of the substrate, and the cost of a glass substra
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[0023] Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
[0024] Although a laser annealing apparatus is used in the embodiment of this invention, this invention can be applied to other beam-illuminating apparatus to stabilize the atmosphere surrounding a beam-illuminated region.
[0025]FIG. 2 is a schematic diagram of a laser annealing apparatus according to one preferred embodiment of this invention. As shown in FIG. 2, a laser annealing apparatus 200 includes a laser source 202, a gas supply device 220, a chamber 204 and a movable device 208 inside the chamber and a gas diversion nozzle 222. The laser annealing device 200 may further include an optical system 203 between the laser light source 202 and the chamber 204 for channeling a beam of laser 202a ...
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