Patent · US Active

Electron-emitting electrode including multiple diamond members and magnetron including same

US11387069B2 · kind B2 · utility

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0References

20Claims

0Family size

Assignee

Kabushiki Kaisha Toshiba · JP

Inventors

Hisashi Yoshida · Koto, JP
Hisao Miyazaki · Yokohama, JP
Shigeya Kimura · Yokohama, JP

Key dates

Filing date	Jul 12, 2021
Grant date	Jul 12, 2022
Priority date	—
Expiry date	Jul 12, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH01J25/50
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

According to one embodiment, an electron-emitting electrode includes a first member, a first diamond member, and a second diamond member. A surface of the first member includes a first region and a second region. The first diamond member is provided at the first region. The first diamond member includes a first element that includes at least one of nitrogen, phosphorus, arsenic, antimony, and bismuth. The second diamond member is provided at the second region. The second diamond member includes a second element that includes at least one of boron, aluminum, gallium, and indium.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.