Silicon microchannel plate devices with smooth pores and precise dimensions

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United States of America Patent

PATENT NO 7759138
APP PUB NO 20100075445A1
SERIAL NO

12234641

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Abstract

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A method of fabricating a microchannel plate includes forming a plurality of pores in a silicon substrate. The plurality of pores is oxidized, thereby consuming silicon at surfaces of the plurality of pores and forming a silicon dioxide layer over the plurality of pores. At least a portion of the silicon dioxide layer is stripped, which reduces a surface roughness of the plurality of pores. A semiconducting layer can be deposited onto the surface of the silicon dioxide layer. The semiconducting layer is then oxidized, thereby consuming at least some of the polysilicon or amorphous silicon layer and forming an insulating layer. Resistive and secondary electron emissive layers are then deposited on the insulating layer by atomic layer deposition.

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Patent Owner(s)

Patent OwnerAddress
ARRADIANCE LLC11A BEAVER BROOK ROAD LITTLETON MA 01460

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beaulieu, David Groton, US 32 559
Sullivan, Neal T Lunenburg, US 17 170

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