Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Of specified material other than unalloyed aluminum
Patent
1998-01-28
2000-04-25
Saadat, Mahshid
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Of specified material other than unalloyed aluminum
257750, 257758, H01L 2348, H01L 2352, H01L 2940
Patent
active
060547715
ABSTRACT:
An interconnection system in a semiconductor device comprises a Ti.sub.2 N film having a lower resistivity and a higher thermal stability at a higher temperature compared to a TiN film. The Ti.sub.2 N film is formed by rapid thermal annealing of a TiN film and a Ti film consecutively formed on an insulator film. The rapid thermal treating is effected in a nitrogen ambient at a substrate temperature of 700 to 900.degree. C. for 30 to 120 seconds.
REFERENCES:
patent: 5345108 (1994-09-01), Kikkawa
patent: 5506449 (1996-04-01), Nakano et al.
patent: 5811851 (1998-09-01), Nishioka et al.
patent: 5939788 (1999-08-01), McTeer
"TiN as a Diffusion Barrier in the Ti-Pt-Au Beam-Lead Metal System" Garceau et al The Solid FIlms, 60 (1979); pp. 237-247.
Clark Jhihan B.
NEC Corporation
Saadat Mahshid
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