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_001 
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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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