Method of controlling dopant diffusion and dopant electrical act

Fishing – trapping – and vermin destroying

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357 7, 357 90, 357 91, 437 25, H01L 29167, H01L 2900, H01L 2104

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046896678

ABSTRACT:
A method for preparing semiconductor components having a structure with sharply defined spatial distributions of dopant atoms with control over the degree of electrical activation of the dopant atoms. Control of spatial distribution and the degree of electrical activation of dopant atoms is achieved by implantation of dopant atoms along with rare gas atoms and another type of dopant atom within substantially the same preselected depth boundaries of a silicon or germanium substrate.

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A. Milgram et al., "Effect of Argon Implantation on the Activation of Boron Implanted in Silicon", Appl. Phys. Lett. 42, 878 (1983).
V. D. Tkachev et al., "Noble Gas Atoms as Chemical Impurities in Silicon", Phys. Stat. Sol. (a) 81, 313 (1984).
M. Delfino et al., "Epitaxial Regrowth of Silicon Implanted with Argon and Boron", Appl. Phys. Lett. 44, 594 (1984).

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