VACUUM CONTAINER FOR FIELD EMISSION ELEMENT DEVICE

Japanese Patent JP3829482

B2

PROBLEM TO BE SOLVED: To enhance manufacturing efficiency of a field emission device and to achieve its long life. SOLUTION: In a vacuum container equipped with a cathode side substrate 2 on which a field emission element is formed, and an anode side substrates 1 disposed in an electron discharge direction with a designated interval between, a gas (hydrogen) discharge material 7 is disposed at one or plural positions including at least the furthest position from an exhaust part 6a, which is a confronting space 10 or a space continuing to the confronting space.