Title:
COLD-CATHODE FIELD-EMISSION ELECTRON SOURCE INCLUDING RARE-EARTH HEXABORIDE
Document Type and Number:
WIPO Patent Application WO/2010/123007
Kind Code:
A1
Abstract:
A cold-cathode field-emission electron source to which a rare-earth hexaboride has been applied and which is prevented from being damaged or deteriorated by chemical reactions, has excellent durability, and can be used for long.
The cold-cathode field-emission electron source emits electrons by means of a high electric field, and is characterized in that a single-crystal nanofiber of a rare-earth hexaboride has been attached to the surface of an electron-source support needle. The cold-cathode field-emission electron source is further characterized in that the electron-source support needle is constituted of a material which undergoes no chemical reaction at the connecting section between the electron-source support needle and the single-crystal nanofiber of a rare-earth hexaboride even when the cold-cathode field-emission electron source heats up to a high temperature.
Inventors:
TANG Jie (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
唐 捷 (〒47 茨城県つくば市千現一丁目２番地１ 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
ZHANG Han (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
張 ▲はん▼ (〒47 茨城県つくば市千現一丁目２番地１ 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
唐 捷 (〒47 茨城県つくば市千現一丁目２番地１ 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
ZHANG Han (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
張 ▲はん▼ (〒47 茨城県つくば市千現一丁目２番地１ 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
Application Number:
JP2010/057018
Publication Date:
October 28, 2010
Filing Date:
April 20, 2010
Export Citation:
Assignee:
NATIONAL INSTITUTE FOR MATERIALS SCIENCE (2-1 Sengen 1-chome, Tsukuba-shi Ibaraki, 47, 〒3050047, JP)
独立行政法人物質・材料研究機構 (〒47 茨城県つくば市千現一丁目２番地１ Ibaraki, 〒3050047, JP)
TANG Jie (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
唐 捷 (〒47 茨城県つくば市千現一丁目２番地１ 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
ZHANG Han (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
独立行政法人物質・材料研究機構 (〒47 茨城県つくば市千現一丁目２番地１ Ibaraki, 〒3050047, JP)
TANG Jie (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
唐 捷 (〒47 茨城県つくば市千現一丁目２番地１ 独立行政法人物質・材料研究機構内 Ibaraki, 〒3050047, JP)
ZHANG Han (2-1 Sengen 1-chome, Tsukuba-sh, Ibaraki 47, 〒3050047, JP)
International Classes:
H01J1/304; H01J37/06
Attorney, Agent or Firm:
NISHIZAWA Toshio (Kudan-Horie Bldg. 6F, 3-14 Kudan-kita 4-chome, Chiyoda-k, Tokyo 73, 〒1020073, JP)
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