Field emission apparatus with superior structural stability and X-ray tube comprising the same
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United States of America Patent
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Dec 7, 2021
Grant Date -
Jan 28, 2021
app pub date -
Jun 23, 2020
filing date -
Jul 26, 2019
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Abstract
Provided is a field emission apparatus including a pipe-shaped emitter holder comprising an electrically conductive material and a first internal space communicated in a first direction, and an emitter electrode having one or more yarns each having a structure extending in the first direction in which a plurality of CNTs that extend in the first direction are aggregated, and the emitter electrode is inserted in the first internal space while extending in the first direction.
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