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JP2022104062A |
To provide a hollow cathode and an ion source that do not use a plasma generation gas, e.g. Ar, and can use a plasma raw material gas as a plasma generation gas.In hollow cathodes attached to a plasma generating container 101 included in...
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JP2022530418A |
An electron beam emission assembly (12) with a filament element (40; 60) and a cathode element (42; 62) in which the filament element (40; 60) is in direct physical contact with the cathode element (42; 62). An electron beam emission ass...
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JP7084989B2 |
A photocathode structure, which can include an alkali halide, has a protective film on an exterior surface of the photocathode structure. The protective film includes ruthenium. This protective film can be, for example, ruthenium or an a...
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JP2022086619A |
To obtain a large current by using an elongated hot cathode while reducing an acceleration voltage and suppressing the generation of high-energy X-rays by forming a point-shaped beam by a deflection unit.In a device 1 for generating an e...
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JP7082660B2 |
A photocathode can include a body fabricated of a wide bandgap semiconductor material, a metal layer, and an alkali halide photocathode emitter. The body may have a thickness of less than 100 nm and the alkali halide photocathode may hav...
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JP7080533B1 |
To provide an electron gun, an electron beam application device and a method for forming a multi-electron beam capable of forming an electron beam larger than the number of lenses included in a multi-lens array. An anode capable of formi...
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JP7072059B2 |
Electron source designs are disclosed. The emitter structure, which may be silicon, has a layer on it. The layer may be graphene or a photoemissive material, such as an alkali halide. An additional layer between the emitter structure and...
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JP7069268B2 |
An internal portion of a photomultiplier tube (PMT) having a reflective photocathode array, and a method for manufacturing the same, are provided. The internal portion of the PMT comprises the reflective photocathode array and at least o...
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JP2022069050A |
To provide a cathode structure capable of maintaining a quick action property for a long period.A cathode structure includes: a cathode: a heater 13; a plurality of heater supporting members 16 each having a plurality of long round hole ...
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JP7062365B2 |
To provide a field emission device capable of stably emitting electrons in a relatively low vacuum environment.A field emission device 1 includes an emitter 2 and a field generator 3. The emitter includes a carbon nanotube 21 whose G/D r...
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JP7057972B2 |
To provide an electron emission element capable of suppressing a voltage applied to an electron transmission electrode layer from being lowered due to an influence of a defect.An electron emission element 100 includes a lower electrode s...
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JP7057631B2 |
To reduce inrush current generated in an electron emitting element when a voltage application is resumed by suppressing a local decrease in an element resistance value.An electron emitting element is provided in which an electron acceler...
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JP7054281B1 |
To provide a new electron beam application device using a photocathode and a method for creating detection data in an electron beam application device. A photocathode 3 that generates electrons by excitation light emitted from a light so...
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JP7041208B2 |
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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JP7033556B2 |
The invention discloses a photocathode comprising an amorphous substrate such as a glass substrate (110) presenting an input face that will receive incident photons and a back face opposite the front face. Nanowires (120) made from at le...
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JP2022035663A |
To provide a photoelectric surface electron source that can accurately irradiate with multiple electron beams.A photoelectric surface electron source 1 includes a glass substrate 40 that receives a laser beam 101 incident from a back sur...
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JP7029331B2 |
To provide: a field electron emission film superior in power saving property, in which a low applied voltage is required for achieving a fixed quantity of field electron emission; a field electron emission element; a light-emitting eleme...
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JP7025245B2 |
To increase extraction efficiency of photoelectrons sufficiently for incident radiation.A planar electron source 1 is an electron source ejecting photoelectron pe according to external incident radiation I, and includes a support part 2 ...
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JP7025244B2 |
To increase extraction efficiency of photoelectron for incident radiation sufficiently.A planar electron source 1 is an electron source ejecting photoelectron in the incident direction of incident light I according to external incident l...
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JP7022837B2 |
The invention provides an electron source including a columnar chip of a hexaboride single crystal, a metal pipe that holds the columnar chip of the hexaboride single crystal, and a filament connected to the metal pipe at a central porti...
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JP7020627B2 |
A method is disclosed for producing an electron emitter (1) with a component surface (3) of which is coated with a coating (2) that contains nanorods (4, 7), in particular carbon nanotubes. According to said method, an elastomer film is ...
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JP7007642B2 |
Provided is a tip capable of repeatedly regenerating a single-atom termination structure in which a distal end is formed of only one atom. A tip (1) having a single-atom termination structure includes: a thin line member (2) made of a fi...
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JP2022010013A |
To provide an electron emitter and a method of fabricating the electron emitter.According to certain embodiments, an electron emitter includes a tip with a planar region having a diameter in a range of approximately (0.05-10) micrometers...
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JP2022006920A |
To provide a photoelectric surface that makes a time from the start of photoelectron emission to a time in which the photoelectron emission satisfies a predetermined condition substantially constant, and has predetermined photoelectron e...
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JP6982994B2 |
A vacuum electron tube comprises at least one electron-emitting cathode and at least one anode arranged in a vacuum chamber, the cathode having a planar structure comprising a substrate comprising a conductive material, a plurality of na...
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JP6983404B2 |
To provide an electron source capable of emitting electrons in multiple directions and having excellent electron emission efficiency, an electron beam irradiation apparatus using the same, and a manufacturing method of the electron sourc...
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JP6980740B2 |
To provide an X-ray generation device.A device includes at least one electron emitter (22, 22_1, 22_2, 22_3) having a conductive substrate (23). The conductive substrate includes a coating of nanostructures (24). The device further inclu...
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JP6961831B2 |
The present disclosure provides a method of manufacturing an electron source, the method comprising: forming one or more fixed emission sites on at least one needle tip, the emission site comprising a reaction product formed by metal ato...
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JP6959457B2 |
The present disclosure provides an electron source operating method, the electron source including at least one emission site fixed on a tip, the emission site being a reaction product formed by metal atoms of a surface of the tip and ga...
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JP6958827B1 |
To easily obtain desired characteristics even when a light-transmitting conductive layer is provided as a base between a light-transmitting substrate and a photoelectric conversion layer. A photocathode includes a light-transmitting cond...
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JP6952907B2 |
The present disclosure provides an electron source, including one or more tips, wherein at least one of the tips comprises one or more fixed emission sites, wherein at least one of the tips includes one or more fixed emission sites, wher...
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JP2021168274A |
To provide an electron beam source capable of appropriately holding the tension of an electron emission part by suppressing energization to a tension holding part that holds the tension of the electron emission part.An electron beam irra...
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JP6952025B2 |
An electron source is formed on a silicon substrate having opposing first and second surfaces. At least one field emitter is prepared on the second surface of the silicon substrate to enhance the emission of electrons. To prevent oxidati...
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JP6945071B2 |
In a photoexcited electron source, a condenser lens optimally designed on an assumption that excitation light passes through a transparent substrate having a predetermined thickness and a predetermined refractive index cannot focus a foc...
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JP2021150068A |
To provide a photocathode whose quantum efficiency is improved and which can be manufactured efficiently, and a manufacturing method of the same.A photocathode 1 includes a substrate 100, a photoelectric conversion layer 400, which is pr...
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JP2021144952A |
To provide a more excellent metal boride electron emitter.An emitter 101 including a metal boride material has at least a partially rounded end 105 with a radius of 1 μm or less. An electric field is applied to this emitter 101 to gener...
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JPWO2020085291A1 |
It is a CNT device (1) (carbon-metal structure) having a carbon nanotube layer (2) (CNT layer 2; the same applies hereinafter) on a metal pedestal (4). The metal pedestal (4) is brazed to the CNT layer (2) via the brazing material layer ...
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JP6938498B2 |
An electron source capable of suppressing consumption of an electron emission material is provided. The present invention provides an electron source (1) including: an electron emission material (3) and an electron emission-suppressing m...
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JP6937310B2 |
Provided is a high-brightness, high-current electron source including a wire-like member. The wire-like member has an electron emission plane at the tip of the wire-like member. The electron emission plane has a projectingly curved surfa...
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JP2021141033A |
To provide a method for manufacturing an Fe-based nano-micro protrusion structure and an Fe-based nano-micro protrusion structure, the Fe-based nano-micro protrusion structure having better strength and corrosion resistivity than Cu and ...
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JP2021524650A |
An emitter having a diameter of 100 nm or less is used in combination with a protective cap layer and an emitter / protective cap interlayer diffusion barrier. The protective cap layer is placed on the outer surface of the emitter. Molyb...
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JP6929910B2 |
The invention relates to a cathode arrangement comprising: a thermionic cathode comprising an emission portion provided with an emission surface for emitting electrons, and a reservoir for holding a material, wherein the material, when h...
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JP6930906B2 |
A method to reduce the work function of a carbon-coated lanthanum hexaboride (LaB6) cathode wherein the exposed tip of the cathode is exposed to moisture between two heat treatments is provided. The work function may be reduced by 0.01 e...
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JP6922054B2 |
To provide a cathode member for electron beam production, which is superior in electron emission characteristic, and a method for manufacturing the same.A cathode member for electron beam production according to the present invention com...
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JP2021099986A |
PURPOSE: To provide an electron source capable of providing a multi-beam capable of forming a stable multi-beam array on an object (sample) surface without being affected by the instability of the electron source.CONSTITUTION: A thermal ...
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JP2021096951A |
To provide a cathode structure that can reduce power consumption.A cathode structure 1a includes a cathode substrate 10, a sleeve 20, a heater 30, and an embedding material 40. The sleeve 20 includes a first end portion (20A) fixed to a ...
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JP6889629B2 |
To provide an electron emission element that effectively utilizes a mixed solution for forming a semiconductive portion which is an intermediate layer and suppresses of variations in the initial performance upon enlarging.In an electron ...
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JP2021513719A |
The heaterless hollow cathode provides electron emission current in an electrical space propulsion system. The mechanical, thermal and electromagnetic design of the cathode device is presented and provides a method of operation for rapid...
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JP6876044B2 |
An electron emission element (20) includes a first electrode (30a) and a second electrode (40) which are arranged facing each other, an intermediate layer (50) that is provided between the first electrode (30a) and the second electrode (...
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JP2021068658A |
To provide an electron gun capable of satisfactorily shaping a through hole formed in a cathode and suppressing the emission of electrons from the through hole formed in the cathode.An electron gun including a cathode 2 that emits electr...
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