Method of eliminating lattice defects in a semiconductor device

Metal treatment – Compositions – Heat treating

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148186, 148187, 357 13, 357 91, H01L 21265, H01L 314, B01J 1700

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043326277

ABSTRACT:
The invention relates to a semiconductor device and to a method of fully eliminating lattice defects in N-conductive zones of a semiconductor device which are generated by ion implantation of phosphorus. According to the invention, conductivity-determining ions like antimony or arsenic are implanted into phosphorus-doped zones of a semi-conductor device. A dosage of 1 to 10% of the phosphorus dose is used. The implantation of the antimony or arsenic takes place with the same, or with a greater implantation depth than the phosphorus depth. Subsequent to the antimony/arsenic implantation the device is annealed in an inert gas atmosphere at approximately 1000.degree. C.

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