Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2008-05-20
2008-05-20
Guharay, Karabi (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S311000
Reexamination Certificate
active
10453822
ABSTRACT:
There is provided an electron emitting device, including a substrate, a pair of electrodes formed on the substrate and spaced apart from each other, a pair of electrically conductive layers formed on the electrodes, respectively, a distance between the electrically conductive layers being shorter than a distance between the electrodes, and an electron emitting layer formed between the electrically conductive layers and containing carbon and tin.
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Ishizuka Yoshiki
Naito Katsuyuki
Yamamoto Masahiko
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Guharay Karabi
Kabushiki Kaisha Toshiba
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