The Design Method of Optimum Field-Plate Structure for HEMTs

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Abstract:

This paper investigated on the optimization design of the AlGaN/GaN High electron mobility transistors (HEMT) with gate terminal field-plate (FPs) structure and proposed an optimization method at a given work conditions, such as drain bias Vd . Though the simulation, we obtain two fitting formula about the FPs thickness tox and the minimum length lmin.

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Periodical:

Advanced Materials Research (Volumes 457-458)

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1387-1390

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Online since:

January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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[1] U.K. Mishra, P. Parikh, W. Yi-Fcng. AlGaN/GaN HEMTs-An overview of device operation and application. Proceedings of the IEEE, 2002, 90 (6): 1022.

DOI: 10.1109/jproc.2002.1021567

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[2] U. K. Mishra, P. Parikh, Y. -F. Wu. AlGaN-GaN HEMTs an overview of device operation and application. Proc. IEEE. 90(12): (2002).

DOI: 10.1109/jproc.2002.1021567

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[3] Shreepad Karmalkar, N. Soudabi. A Closed-Form Model of the Drain-Voltage Dependence of the OFF-State Channel Electric Field in a HEMT With a Field Plate. IEEE Trans Electron Devices. 2006, 53(10): 2430.

DOI: 10.1109/ted.2006.882273

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