MESFETs rule OK?

Consultants rule OK? The changing pattern of medical hierarchy.

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Approximate world models are coarse descriptions of the elements of a scene, and are intended to be used in the selection and control of vision routines in a vision system. In this paper we present a control architecture in which the approximate models represent the complex relationships among the objects in the world, allowing the vision routines to be situation or context speciic. Moreover, b...

Surface channel MESFETs on hydrogenated diamond.

Metal–semiconductor field effect transistors (MESFETs) based on hydrogen terminated diamond were fabricated according to different layouts. Aluminum gates were used on single crystal and low-roughness polycrystalline diamond substrates while gold was used for ohmic contacts. Hydrogen terminated layers were deeply investigated by means of Hall bars and transfer length structures. Room temperatur...

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Surface States Effects on GaAs Power MESFETs

The effects of surface states on the gate offset regions of GaAs power MESFETs are analyzed using a two-dimensional device simulator with a Shockley-Read-Hall statistics model for the surface states. Assuming electron trap type surface states (ET) and hole trap type surface states (HT) +, it is found that the trap properties cause a large difference in DC performance and pulse operation of the ...