Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Reexamination Certificate
2005-04-05
2005-04-05
Vo, Tuyet Thi (Department: 2821)
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
C315S169400, C313S495000, C313S496000, C345S076000, C345S074100
Reexamination Certificate
active
06876156
ABSTRACT:
In an electron-emitting device having a pair of electric conductors disposed on a substrate in opposed relationship with each other, and a pair of piled films composed chiefly of carbon and connected to the pair of electric conductors and disposed with a gap interposed therebetween, the piled films contain therein one or more kinds of elements selected from the group of lithium, potassium, sodium, calcium, strontium and barium within the range of 1 mol % to 5 mol % in terms of the percentage to carbon.
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Hamamoto Yasuhiro
Tamura Miki
Yamamoto Keisuke
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Vo Tuyet Thi
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