Electron emission element and electron emission element...

Details Electron emission element and electron emission element... Electron emission element and electron emission element...

H - Electricity

01

J

H01J 1/304 (2006.01) H01J 9/02 (2006.01)

Patent

CA 2594599

An electron emission element (2) includes an electron emission unit (6) made of diamond. When an electron emission current value is equal to or above 10 µA in the electron emission element (2), a deviation of the electron emission current value for one hour is within ~ 20%. Moreover, the number of generations of a stepwise noise in which the electron emission current value changes stepwise is once or below per 10 minutes.

Élément d~émission d~électrons (2) comprenant une unité d~émission d~électrons (6) constituée de diamant. Lorsqu~une valeur de courant d~émission d~électrons est supérieure ou égale à 10 µA dans l'élément d'émission d'électrons (2), une déviation de la valeur de courant d'émission d~électrons pour une heure est de l~ordre de ± 20%. De plus, le nombre de générations d~un bruit échelonné dans lequel la valeur de courant d~émission d~électrons change par étape est d~un toutes les 10 minutes ou moins.

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