Image pickup device including electron-emitting devices
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United States of America Patent
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-
Jun 1, 2004
Grant Date -
Mar 13, 2003
app pub date -
Jan 5, 2001
filing date -
Jan 14, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image pickup device includes a pair of first and second substrate facing each other with a vacuum space interposed therebetween, and a plurality of electron-emitting devices provided over said first substrate and a photoconductive layer provided over said second substrate. Each electron-emitting device includes an insulating layer deposited over an electron source layer formed over an ohmic electrode; and a metal thin film electrode deposited over said insulating layer. The insulating layer and said metal thin film electrode have an island region of electron-emitting section in which their film thicknesses are gradually reduced toward said electron source layer.
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