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JP6860691B2 |
An emitter with a protective cap layer on an exterior surface of the emitter is disclosed. The emitter can have a diameter of 100 nm or less. The protective cap layer includes ruthenium. Ruthenium is resistant to oxidation and carbon gro...
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JP6853749B2 |
To provide an electron emission element having a novel configuration capable of improving electron emission characteristics of the electron emission element.An electron emission element 1 includes a first electrode 2, a second electrode ...
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JP6828937B1 |
To provide an electron gun and an electron capable of aligning an emission axis of an electron beam with an optical axis of an electro-optical system of the other-side device even if the installation position of the electron gun is large...
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JP6827427B2 |
A photocathode utilizes an field emitter array (FEA) integrally formed on a silicon substrate to enhance photoelectron emissions, and a thin boron layer disposed directly on the output surface of the FEA to prevent oxidation. The field e...
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JP6826637B2 |
A charged particle beam arrangement is described. The charged particle beam arrangement includes a charged particle source including a cold field emitter, a beam limiting aperture between the charged particle source and a magnetic conden...
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JP6818815B1 |
To provide an electron tube in which a voltage is stably applied to an electron emitting plate which emits electrons in response to an incident of electromagnetic waves. The electron tube 1 is arranged inside a housing 10 having a window...
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JP6804120B2 |
The purpose of the present invention is to provide an emitter that is made of hafnium carbide (HfC) and that releases electrons in a stable and highly efficient manner, a method for manufacturing the emitter, and an electron gun and elec...
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JP6804304B2 |
Example embodiments presented herein are directed towards an electron emitter for an x-ray tube. The electron emitter comprises an electrically conductive substrate and a nanostructure material. The nanostructure material is comprised on...
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JP6805306B1 |
To provide a molten material or a sintered material which is excellent in electron emission characteristics and can achieve high performance such as an increase in power of an electron beam and which is most suitable for producing a cath...
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JP6793191B2 |
The present invention relates to a method for prolonging lifetime of a triod electron beam source when forming a three-dimensional article through successively depositing individual layers of powder material that are fused together so as...
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JP6782838B2 |
An electron emitting device (100) includes a first electrode (12), a second electrode (52), and a semi-conductive layer (30) provided between the first electrode (12) and the second electrode (52). The semi-conductive layer (30) includes...
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JP2020532089A |
The invention relates to a control device for an X-ray tube (2), including a housing (29) designed as a shield, within which the anodic current adjusting unit (1) is arranged, the anodic current adjusting unit. (1) is a cathode power sup...
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JP6777967B2 |
To suppress an inrush current at a start of driving.An electron emitting apparatus 1 for emitting electrons from a second electrode 12 by applying a drive voltage signal between a first electrode 11 and the second electrode against an el...
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JP6762635B1 |
To provide an electron gun capable of extending the life of a photocathode. A substrate 21 in which a photocathode film 22 is formed on a first surface 21a, a light source 3 for irradiating the photocathode film with excitation light, an...
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JP6760949B2 |
The purpose is to make it possible to autonomously suppress a reduction in an electron beam without providing a means for supervising the electron beam intensity of a monitor or the like. An electron gun, provided with: a heater (12) in ...
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JP6761522B1 |
To propose a cathode member for generating an electron beam having excellent electron emission characteristics and a method for manufacturing the same. In the cathode member for electron beam generation of the present invention, a single...
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JP6753498B1 |
To avoid joining a surplus brazing material and a guard electrode in a vacuum brazing process of a field emission device. In an emitter support structure 1, an emitter support portion 32 is movably arranged in the direction of both ends ...
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JP6744116B2 |
According to one embodiment, an emitter comprise a base portion including an electron emission surface from which electrons are emitted, a pair of leg portions applying a voltage to the electron emission surface, and a rib portion formed...
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JP6741879B2 |
The disclosed embodiments relate to a charged particle source module for generating and emitting a charged particle beam, such as an electron beam, comprising: a frame including a first frame part, a second frame part, and one or more ri...
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JP6738244B2 |
An electron multiplier production method including a main body portion, and a channel provided in the main body portion to open at one end surface and the other end surface of the main body portion and emits secondary electrons includes ...
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JP6738067B2 |
To provide an electron beam generating source capable of easily output a plurality of electron beams with high precision.The present invention provides an electron beam generator which comprises an electron discharge part that discharges...
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JP2020119762A |
To provide an electron source stabilization method of stabilizing an emission current only by field evaporation without introducing a gas.LaBis used as an electron source to generate an electron beam, the electron source is stabilized by...
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JP6735487B2 |
To provide a phosphor which has a high light emission intensity even in combination with an LED of 470 nm or less, and is chemically and thermally stable.The phosphor according to the present invention comprises either: an inorganic crys...
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JP6735162B2 |
To provide an impregnation cathode assembly in which weld strength of a heater and a support can be improved.An impregnation cathode assembly includes: a cathode base impregnated with an emissive material and having an electron emission ...
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JP2020113501A |
To provide an electron emission source capable of efficiently emitting electrons at a low voltage, according to the present invention.An electron emission source according to the present invention includes a substrate and an electron emi...
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JP6720427B1 |
To provide a photocathode, an electron tube, and a method for manufacturing a photocathode capable of improving productivity. A photocathode 1 includes a substrate 100, a base layer 200, and a photoelectric conversion layer 300. The phot...
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JP2020092054A |
To provide a cathode structure capable of improving reliability.The cathode structure includes: a cathode base having a first surface and a second surface opposite to the first surface; a tubular member having a first opening end fixed t...
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JP2020080249A |
To provide a circular electron emission element capable of effectively securing an electron emission region of the electron emission element and improving uniformity of an electron emission amount in the electron emission region.A circul...
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JP6700633B2 |
To provide a phosphor which has a high light emission intensity even in combination with an LED of 470 nm or less, and is chemically and thermally stable.The phosphor according to the present invention comprises either: an inorganic crys...
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JP6700631B2 |
To provide a phosphor which has a high light emission intensity even in combination with an LED of 470 nm or less, and is chemically and thermally stable.The phosphor according to the present invention comprises either: an inorganic crys...
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JP6700632B2 |
To provide a phosphor which has a high light emission intensity even in combination with an LED of 470 nm or less, and is chemically and thermally stable.The phosphor according to the present invention comprises either: an inorganic crys...
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JP6695461B1 |
To effectively suppress peeling of a metal reflective film. A method for manufacturing a phosphor panel 30 includes a step of forming a phosphor layer 52 having a plurality of phosphor particles 51 on an exit window 12 and a step of form...
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JP6685341B2 |
A method of producing an electron emitting device includes: step A of providing an aluminum substrate or providing an aluminum layer supported by a substrate; step B of anodizing a surface of the aluminum substrate or a surface of the al...
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JP6679014B1 |
To provide a transmissive photocathode kit which does not require adjustment of a focal length with a lens. A photocathode kit includes a substrate 21 in which a photocathode film 22 is formed on a first surface 23, a lens, and a holder ...
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JP6655136B2 |
To provide an electron emission element that can adjust an amount of electron to be partially emitted and suppress charging unevenness.An electron emission element 20 applies voltage to a position between a first electrode and a second e...
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JP6635510B2 |
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JP6636472B2 |
An electron source that can be used stably for a long time even when hexaboride is used, and an electron beam device using the electron source are provided. The invention is directed to an electron source which includes a filament made o...
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JP2020009666A |
To provide an impregnated cathode structure capable of making surface temperature of a cathode substrate uniform.The impregnated cathode structure includes: a cathode substrate, having an electron emission surface on one side, impregnate...
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JP2019204632A |
To provide an electron emission element having stable performance.An electron emission element comprises: a lower electrode; an anodized layer provided on the lower electrode; an insulating layer provided on the anodized layer and provid...
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JP6608367B2 |
A field emission device comprises one or more emitter elements, each having a high aspect ratio structure with a nanometer scaled cross section; and one or more segmented electrodes, each surrounding one of the one or more emitters. Each...
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JP6603920B2 |
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JP6595074B2 |
A photocathode is formed on a monocrystalline silicon substrate having opposing illuminated (top) and output (bottom) surfaces. To prevent oxidation of the silicon, a thin (e.g., 1-5 nm) boron layer is disposed directly on the output sur...
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JP2019527918A |
An electron emitter and a method for manufacturing the electron emitter thereof are disclosed. According to certain embodiments, the electron emitter comprises a tip with a planar region having a diameter in the range of about (0.05 to 1...
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JP2019160526A |
To provide an impregnated cathode structure capable of improving heat dissipation at the end of a heater and improving the strength of the end of the heater.An impregnated cathode structure according to an embodiment includes a cathode s...
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JP2019525401A |
It is an emitter containing a metal boride material and has at least a partially rounded end with a radius of 1 μm or less. An electric field can be applied to this emitter to generate an electron beam from that emitter. By removing the...
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JP6571907B1 |
The electron gun includes a cathode having an electron emitting part, an extraction electrode for drawing out electrons emitted from the electron emitting part, and a focusing electrode for converging the electrons drawn by the drawing e...
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JP2019145452A |
To provide a cold cathode structure capable of efficiently generating electrons at an emitter and allowing the generated electrons to accurately reach a target.A field emission cold cathode structure includes a cold cathode 27 provided i...
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JP6550451B2 |
Electron beam generator comprising an electron emitting device (32) adapted to emit an electron beam when heated to an elevated temperature, characterized in that the electron emitting device (32) comprises a filament (34) having a spira...
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JP6548179B1 |
To achieve high brightness and long life of an electron gun. Mainly LaB6Or CeB6Electron gun based on the above. The present invention relates to an electron gun using the cathode material 105. 1 x 10 methane gas or ethane gas in the vacu...
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JP2019096441A |
To provide a planar light emitter using a resin as a base material, and an illumination device and an information display device including the planar light emitter, which converts ultraviolet light into visible light with high efficiency...
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