Active solid-state devices (e.g. – transistors – solid-state diode – Test or calibration structure
Patent
1998-03-24
2000-03-14
Thomas, Tom
Active solid-state devices (e.g., transistors, solid-state diode
Test or calibration structure
257412, H01L 2358, H01L 2976
Patent
active
060376074
ABSTRACT:
A resistor protect mask is used on a shallow trench isolation device junction to cover a device area except for a strip on the perimeter of the device area. The silicide layer formed on the central surface portion of the device and the strip area on the perimeter of the device upon which silicide formation is prevented forms a test structure for evaluation of junction formation that is immune from the effects of silicide formation on a device trench sidewall. Electrical tests and leakage measurements upon the test structure are compared directly to similar silicide shallow trench isolated devices which do not incorporate the resistor protect mask and shallow trench isolated devices without silicide to determine whether salicide processing is a cause of junction effects including junction leakage and short-circuiting.
REFERENCES:
patent: 5629544 (1997-05-01), Voldman et al.
patent: 5869396 (1999-02-01), Pan et al.
Girard P. et al, "Low Leakage Current Evaluations For Process Characterizations", Proceedings of the European Solid State Device Research Converence, Nottingham, Sep. 10-13, 1990, NR. Conf. 20, pp. 197-200.
IBM Technical Disclosure Bulletin, vol. 30, No. 5, Oct. 1, 1987, pp. 385-386 "Monitor for Assurance of Trench Channel Stop Doping".
Dawson Robert
Hause Frederick N.
May Charles E.
Advanced Micro Devices , Inc.
Koestner Ken J.
Thomas Tom
Vu Hung Kim
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