ELECTRON EMITTING SOURCE AND MANUFACTURING METHOD OF ELECTRON EMITTING SOURCE

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An electron emitting source capable of preventing increase in an inter-terminal resistance and a manufacturing method of the electron emitting source. The electron emitting source comprises an electron emitting chip (4) made of rare-earth hexaboride, and a heater (5) constituted by a carbonaceous member for holding and heating the electron emitting chip, wherein an electrically conductive substance (6) is provided in a gap between the electron emitting chip (4) and the heater (5).