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公开(公告)号：EP3863038A1
公开(公告)日：2021-08-11
申请号：EP20156121.4
申请日：2020-02-07
摘要： In an electron tube 1, the meta-surface S emits an electron in response to an incidence of the electromagnetic wave. The first and second electrodes 81, 82 are spaced away from each other, and apply potentials different from each other to the meta-surface S. A holder 30 is disposed in the housing 10 and holds the electron emitter 20. A first conductive line 83 of the meta-surface S is electrically connected to the first electrode 81. A second conductive line 84 of the meta-surface S is spaced away from the first conductive line 83, and is electrically connected to the second electrode 82. The first conductive line 83 extends from the first electrode 81 to the second conductive line 84. The second conductive line 84 extends from the second electrode 82 to the first conductive line 83.
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公开(公告)号：EP3993006A1
公开(公告)日：2022-05-04
申请号：EP20831782.6
申请日：2020-06-11
摘要： An electron tube 1 includes a housing 10 having a window 11a having an electromagnetic wave transmitting property, an electron emission plate 21 disposed inside the housing 10, the electron emission plate emitting electrons in response to an incident of the electromagnetic wave, and a holding member 22 disposed inside the housing 10 and configured to hold the electron emission plate 21 and to apply a voltage to the electron emission plate 21. The electron emission plate 21 has a first main surface 21a and a second main surface 21b facing each other. The holding member 22 has a base portion 25 being in contact with the first main surface 21a, and a plurality of electron emission plate biasing portions 27c which are in contact with an edge of the second main surface 21b and are configured to elastically bias the electron emission plate 21 to the base portion 25. The holding member 22 is electrically connected to the second main surface 21b through the plurality of electron emission plate biasing portions 27c.
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