Electron emitting source and manufacturing method of electron emitting source
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United States of America Patent
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Jun 4, 2013
Grant Date -
Dec 2, 2010
app pub date -
Jul 11, 2008
filing date -
Nov 30, 2007
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Abstract
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 made of rare-earth hexaboride, and a heater constituted by a carbonaceous member for holding and heating the electron emitting chip, wherein an electrically conductive substance is provided in a gap between the electron emitting chip and the heater.
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