A compact charge ratio expression for the emitter delay of polysilicon emitter bipolar transistors

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Title:	A compact charge ratio expression for the emitter delay of polysilicon emitter bipolar transistors
Author:	Castañer Muñoz, Luis María; Sureda, S; Bardés Llorensí, Daniel; Alcubilla González, Ramón
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. MNT - Grup de Recerca en Micro i Nanotecnologies
Abstract:	A compact solution for the ratio of the excess minority carrier charge stored into the polysilicon to the charge stored in the single crystal part of the emitter of a polysilicon emitter bipolar transistor is derived. The solution is based on an existing comprehensive model which takes into account the interfacial oxide and an arbitrary number of grains in the polysilicon layer. The emitter charge partition in polysilicon and single crystal emitter components is summarized in contour plots for constant values of the ratio.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria electrònica::Components electrònics::Transistors -Bipolar transistors -Elemental semiconductors -Bipolar transistors -Minority carriers -Semiconductor device models -Silicon -Transistors bipolars
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Document type:	Article - Published version Article
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