Electron-emitting device, electron source and image-forming...

Details Electron-emitting device, electron source and image-forming... Electron-emitting device, electron source and image-forming...

H - Electricity

01

J

H01J 1/30 (2006.01) H01J 1/316 (2006.01) H01J 9/02 (2006.01)

Patent

CA 2155270

An electron-emitting device comprises a pair of electrodes and an electroconductive film arranged between the electrodes and including an electron-emitting region carrying a graphite film. The graphite film shows, in a Raman spectroscopic analysis using a laser light source with a wavelength of 514.5 nm and a spot diameter of 1 µm, peaks of scattered light, of which 1) a peak (P2) located in the vicinity of 1,580 cm-1 is greater than a peak (P1) located in the vicinity of 1,335 cm-1 or 2) the half-width of a peak (P1) located in the vicinity of 1,335 cm-1 is not greater than 150 cm-1.

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