Emitter and electron gun

TW202640680APending Publication Date: 2026-10-01DENKA CO LTD
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Patent Information

Application Number
TW114147037
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-12-02
Filing Date
2025-12-02
Publication Date
2026-10-01

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    Figure TWG2TA001078631_003
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Abstract

An emitter, comprising a needle which emits electrons from the tip, a pair of electrodes disposed so as to leave a gap when projected onto a reference plane perpendicular to the Z direction along which the emitter extends, and a filament which connects the pair of electrodes and the needle, wherein a distance D measured by a prescribed method is
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