Electron source and production method therefor

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United States of America Patent

PATENT NO 10957511
SERIAL NO

16707877

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Abstract

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An electron source capable of suppressing consumption of an electron emission material is provide. The present invention provides an electron source including: an electron emission material; and, an electron emission-suppressing material covering a side surface of the electron emission material, wherein a work function of the electron emission-suppressing material is higher than that of the electron emission material, and a thermal emissivity of the electron emission-suppressing material is lower than that of the electron emission material.

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Patent Owner(s)

Patent OwnerAddress
DENKA COMPANY LIMITED1-1 NIHONBASHI-MUROMACHI 2-CHOME CHUO-KU TOKYO 103-8338

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chatani, Hiromitsu Shibukawa, JP 8 3
Hirokawa, Shimpei Shibukawa, JP 4 5
Ibayashi, Toshiyuki Shibukawa, JP 5 20
Morishita, Toshiyuki Shibukawa, JP 46 731
Sugimoto, Isao Shibukawa, JP 28 247

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