DRY ETCHING OF TiSi2/POLY Si DOUBLE LAYER.

被引:0
|
作者
Valyi, G. [1 ]
Szabo, I. [1 ]
Schiller, V. [1 ]
Sandor, S. [1 ]
Andrasi, M. [1 ]
机构
[1] Central Research Inst for Physics, Budapest, Hung, Central Research Inst for Physics, Budapest, Hung
来源
Vide, les Couches Minces | 1985年 / 229期
关键词
INTEGRATED CIRCUITS - Etching - ION BEAMS - Etching - PLASMAS - Applications - TITANIUM COMPOUNDS - Etching;
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摘要
MOS circuits using a double layer of TiSi//2 on polycrystalline silicon as gates and interconnects were fabricated. The titanium silicide was made by evaporating 50-100 nm of Ti on polycrystalline Si followed by an annealing at 800 degree C in an inert atmosphere. Etching was made by using a combined dry etching mode: Ion beam etching and a subsequent plasma etching in a barrel-type reactor. By applying this method, the advances of both processes (anisotropic etch profiles and chemial selectivity) can be utilized.
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