DocumentCode
1936900
Title
Avoiding Lateral Diffusion of Dopants in n+/p+ Polycide Gates
Author
Amm, D.T. ; Lévy, D. ; Paoli, Mario ; Delpech, P. ; D´Ouville, T. Ternisien ; Mingam, H. ; GÖltz, G.
Author_Institution
Centre National d´´Etudes des Télécommunications, Chemin du Vieux Chêne, BP 98, 38243 MEYLAN Cedex, FRANCE.; Dept. of Physics, Queen´´s University, Kingston, Ontario, CANADA K7L 3N6
fYear
1989
fDate
11-14 Sept. 1989
Firstpage
561
Lastpage
564
Abstract
The lateral diffusion of dopants in a TiSi2 salicide process was studied for various BPSG reflow RTP anneals. Lateral diffusion of arsenic was detected for anneals above 1000°C (20 sec.) whereas no boron diffusion could be observed for anneals up to 1060°C. A novel ``weakly doped gate´´ test structure proved to be a sensitive detector of lateral diffusion.
Keywords
Annealing; Boron; CMOS technology; Detectors; MOS devices; MOSFET circuits; Temperature; Testing; Threshold voltage; Titanium;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid State Device Research Conference, 1989. ESSDERC '89. 19th European
Conference_Location
Berlin, Germany
Print_ISBN
0387510001
Type
conf
Filename
5436542
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