Formulations for voltage switchable dielectric material...

Details Formulations for voltage switchable dielectric material... Formulations for voltage switchable dielectric material...

2011-01-18

2011-01-18

Ho, Tu-Tu V (Department: 2818)

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

Bulk effect device

Bulk effect switching in amorphous material

C257S040000, C257S183000, C257SE45001, C438S099000, C438S900000

Reexamination Certificate

active

07872251

ABSTRACT:
Formulations for voltage switchable dielectric materials include two or more different types of semiconductive materials uniformly dispersed within a dielectric matrix material. The semiconductive materials are selected to have different bandgap energies in order to provide the voltage switchable dielectric material with a stepped voltage response. The semiconductive materials can comprise inorganic particles, organic particles, or an organic material that is soluble in, or miscible with, the dielectric matrix material. Formulations optionally can also include electrically conductive materials. At least one of the conductive or semiconductive materials in a formulation can comprise particles characterized by an aspect ratio of at least 3 or greater.

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