Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Patent
1997-03-31
1999-12-14
Quach, T. N.
Semiconductor device manufacturing: process
Coating with electrically or thermally conductive material
To form ohmic contact to semiconductive material
438486, 438655, 438660, H01L 2128
Patent
active
060017376
ABSTRACT:
A method of recovering crystal defects in an impurity doped diffusion silicon layer in contact with a C54 crystal phase titanium silicide layer includes the step of causing a cohesion reaction of the C54 crystal phase titanium silicide layer by heat treating the C54 crystal phase titanium silicide layer so as to cause a vacancy-diffusion of lattice-vacancy of silicon atoms from the C54 crystal phase titanium silicide layer into the impurity doped diffusion silicon layer including the crystal defects while maintaining the continuity of the C54 crystal phase titanium silicide layer.
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S. N. Hong et al., "Material and Electrical Properties of Ultra-Shallow p.sup.+ -n Junctions Formed by Low-Energy Ion Implantation and Rapid Thermal Annealing", pp. 476-486, IEEE Transactions On Electron Devices, vol. 38, No. 3, Mar. 1991.
D. S. Wen et al., "Defect annihilation in shallow p.sup.+ junctions using titanium silicide", pp. 1182-1184, American Institute of Physics, Appl. Phys. Lett. 51(15), Oct. 12, 1987.
Horiuchi Tadahiko
Ito Hiroshi
Kimizuka Naohiko
NEC Corporation
Quach T. N.
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