Charge trapping device and method of producing the charge...

Details Charge trapping device and method of producing the charge... Charge trapping device and method of producing the charge...

2006-03-27

2008-08-05

Picardat, Kevin M (Department: 2822)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Having insulated electrode

C257S335000, C438S301000, C438S306000

Reexamination Certificate

active

07408222

ABSTRACT:
A charge-trapping device includes a field effect transistor, which has source and drain regions. The source and drain regions have a dopant concentration profile, which has a gradient each in a vertical and a lateral direction with respect to a surface of a semiconductor substrate. The gradient in the lateral direction towards a depletion region of the transistor is larger than the gradient in the vertical direction towards a well region.

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