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WO/2024/044906A1 |
The present application relates to the technical field of vacuum encapsulation, and provides a vacuum-encapsulated semiconductor chip and a manufacturing method therefor, for use in solving the problems in the prior art that vacuum micro...
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WO/2024/048843A1 |
The present invention provides a filament production method, a filament produced thereby, and an X-ray tube comprising same, the filament production method comprising the steps of: inserting a predetermined length of electrode into a thr...
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WO/2024/027028A1 |
Disclosed is a manufacturing method for a field emission device, comprising: forming a primary epitaxial layer on a substrate; forming a plurality of secondary epitaxial structures on the primary epitaxial layer; on the primary epitaxial...
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WO/2024/030777A1 |
An underwater light fixture and a method for making the underwater light fixture are provided. The method includes assembling a light fixture in a housing, leaving a fastener out of the light fixture, wherein an opening for the fastener ...
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WO/2024/020294A1 |
A repeller assembly mounts in an arc chamber of an ion implanter. The repeller assembly includes a repeller, a tubular insert, first and second insulators, a contact member, and a lock member. The repeller has a knob-shaped body placed o...
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WO/2023/249118A1 |
Provided are an emitter capable of emitting electrons in a highly efficient and stable manner for a long period, an electron gun and an electronic apparatus in which the emitter is used, and an emitter manufacturing method. An emitter ...
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WO/2023/248271A1 |
The present invention: improves the ratio of an emission angle current density to the total current of a field emission electron source in which a (100) plane of hexaboride single crystal or transition metal carbide single crystal is use...
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WO/2023/244548A1 |
A magnet array holder configured to retain magnet pieces and/or non-magnet pieces to form a magnet array, the magnet array configured to manipulate one or more electron beams in a vacuum electronic device when assembled, the magnet array...
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WO/2023/223640A1 |
This field-emission electron source is formed so as to define a curved surface, and comprises: an etching stop layer that has a first region that is supported by a substrate, and a second region that is not supported by the substrate; an...
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WO/2023/172404A1 |
A rollable laser phosphor display comprises a plurality of elongated sections. An elongated section of the plurality of elongated sections includes a color converter sheet and a plurality of light sources. A cover sheet extends across th...
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WO/2023/137360A1 |
A monolithic graphite heater for heating a thermionic electron cathode includes first and second electrically conductive arms, each one of the first and second electrically conductive arms having an electrode mount at a proximal end, a t...
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WO/2023/105899A1 |
The present disclosure provides a field emission element 10 which is provided with: an emitter 12 that is formed on a substrate 11 and has an acute tip 12a; and a gate electrode 15 that is formed on the substrate, with insulating layers ...
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WO/2023/056992A1 |
The invention is a power grid tube formed by a bundle of longitudinal parallel conductors (V) at a selected distance, which are wrapped by a conductor (S) at a selected pitch, where both conductors (V) and (S) are welded together at thei...
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WO/2023/048139A1 |
The purpose of the present invention, relating to lanthanide boride, which is known as a low work function material, is to provide a novel low work function material with low chemical reactivity, in particular a low work function materia...
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WO/2023/022990A1 |
Image intensifier systems incorporating a microchannel plate (MCP) and methods for producing the same are disclosed. In some examples, a device is disclosed that includes a first substrate having a radiation-receiving first surface and a...
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WO/2023/013282A1 |
A manufacturing method for an electron source according to the present disclosure includes (A) a step for cutting out a tip from a block of an electron emission material, (B) a step for fixing a first end of the tip to the tip end of a s...
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WO/2022/259086A1 |
An optical system (100) is described comprising: an optical radiation source (1) configured to provide an optical input signal (IS); an optical device to be observed (3) having a first input (INC), a first band-pass output (OPC) associat...
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WO/2022/148034A1 |
The present application relates to the technical field of trace detection, and in particular relates to a ceramic transfer tube and a fabrication method therefor. The ceramic transfer tube comprises: a transfer chamber; an ionization cha...
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WO/2022/138558A1 |
This method for manufacturing an electron source comprises: a step for putting, between a pair of welding electrodes, an object to be welded in which a chip of an electron emission material and a tungsten filament are superposed so as to...
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WO/2022/120961A1 |
A fabrication process for a single-crystallization anti-evaporation X-ray tube anode target (1), comprises the following steps: step 1, preparing a single-crystallization fabrication device and an anode target (1), wherein the anode targ...
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WO/2022/106996A1 |
A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission material layer engaged therewith, where the field emission material incorporates a carbon nanotube mate...
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WO/2022/102268A1 |
A metasurface element includes a support body and a metasurface formed on a surface of the support body. The metasurface includes a metal pattern that is disposed to emit an electron in response to incidence of an electromagnetic wave, a...
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WO/2022/089815A1 |
Known gas discharge lamps, such as deuterium lamps for example, have a lamp bulb which is filled with a gas and surrounds an electrode insert. To provide a gas discharge lamp which has a high radiance and is characterised by a simple str...
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WO/2022/091002A1 |
A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission material layer engaged therewith, where the field emission material incorporates a carbon nanotube mate...
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WO/2022/092425A1 |
One embodiment of the present invention provides a carbon nanotube sheet roll emitter with improved structural stability, a manufacturing method therefor, and a field emission device using the same. The carbon nanotube sheet roll emitter...
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WO/2022/070094A1 |
A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission layer engaged therewith, where the field emission layer is modified via the deposition of a thin metal ...
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WO/2022/070104A1 |
A method and system for cleaning a field emission cathode device, the field emission cathode device including a substrate having a field emission layer engaged therewith, includes engaging the field emission cathode device with a vibrati...
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WO/2022/070096A1 |
A method for fabricating a field emission cathode, the field emission cathode including a substrate having a field emission layer engaged therewith, where the field emission layer includes a plurality of purified carbon nanotubes. The ca...
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WO/2022/070095A1 |
A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission layer engaged therewith, where the field emission layer incorporates a carbon nanotube and metal compos...
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WO/2022/070103A1 |
A method for fabricating an electron field emission cathode, the field emission cathode including a substrate having a field emission layer engaged therewith, where the field emission layer incorporates modified carbon nanotubes and a ma...
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WO/2022/064557A1 |
The purpose of the present invention is to improve the current stability of a field emission electron source and a Schottky electron source in which the {100} plane of a hexaboride monocrystal is used as an electron emission surface. In ...
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WO/2022/064848A1 |
In the present invention, in a cylindrical guard electrode (5) disposed on the outer peripheral side of an electron generation part (31) of an emitter (3), a tip section (5A) positioned in an emission direction of an electron beam (L1) f...
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WO/2022/063942A1 |
Disclosed herein is a computer-implemented method of determining a model for predictive maintenance of a magnetron for a particle accelerator for a radiotherapy device. The method comprises collating lifetime data of each of a plurality ...
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WO/2022/059641A1 |
A method of manufacturing a light emitter that emits ultraviolet light. The light emitter contains YPO4 crystal, to which at least scandium (Sc) is added, and emits ultraviolet light when exposed to an excitation light or an electron bea...
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WO/2022/046837A1 |
A method for producing a radiation window includes patterning a photo resist structure onto a double-sided silicon wafer, plasma etching the silicon wafer to create an etched silicon wafer having a silicon supporting structure etched upo...
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WO/2022/046103A1 |
Electro spray devices and methods of fabricating electro spray devices are described
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WO/2022/020869A1 |
The invention relates to a high-temperature component (1) made of a refractory metal or a refractory metal alloy, having a coating (3) for increasing thermal emissivity. The coating (3) consists essentially of tungsten and rhenium, i.e. ...
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WO/2021/249304A1 |
Disclosed is a graphene-coated barium tungsten cathode and a preparation method thereof. The graphene-coated barium tungsten cathode comprises a graphene layer and a B-type barium tungsten cathode layer. A graphene layer is covered on an...
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WO/2021/237226A1 |
An image sensor has a photocathode window assembly, an anode assembly, and a malleable metal seal. The photocathode window assembly has a photocathode layer. The anode assembly includes a silicon substrate that has an electron sensitive ...
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WO/2021/215335A1 |
A method for manufacturing an electron source according to the present disclosure includes (A) a step of preparing a first member provided with a columnar portion configured using a first material having an electron emission characterist...
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WO/2021/215330A1 |
An electron source according to the present disclosure comprises: a columnar part that is made of a first material having electron emission characteristics; and a cylindrical part that is disposed to surround the columnar part and is mad...
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WO/2021/198248A1 |
A microchannel sensor for detecting radiation and/or particles, the microchannel sensor comprising at least one sensor substrate, wherein said sensor substrate comprises a plurality of channels extending from a first side of the substrat...
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WO/2021/190976A1 |
Disclosed herein is a substrate stack comprising a plurality of substrates, wherein: each substrate in the substrate stack comprises at least one alignment opening set; the at least one alignment opening set in each substrate is aligned ...
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WO/2021/184298A1 |
A method for manufacturing an anode target, an anode target, an X-ray source and an X-ray imaging system. The method for manufacturing an anode target comprises: forming first grooves (202, 302, 402, 802) periodically arranged on a subst...
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WO/2021/165114A1 |
Disclosed herein is an electron-optical assembly testing system for testing an electron-optical assembly, the system comprising: a source of charged particles (601) configured to emit a beam of charged particles; an electron-optical asse...
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WO/2021/156390A1 |
The invention relates to a workstation (1), a preparation station (2) and a method for manipulating an electron microscopy grid assembly (3). The workstation (1) comprises a first compartment (101), a first gas inlet (102) for generating...
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WO/2021/148800A1 |
A seal for a vacuum chamber is formed from two outer insulation blocks (14), (16), an intermediate insulation block (34), (36), some interior insulation sheets (74), (76), (78) and some exterior insulation sheets (80), (82), (84). A firs...
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WO/2021/137363A1 |
A method for manufacturing a CNT paste emitter, according to one embodiment of the present invention, comprises the steps of: mixing first CNT powder, graphite nanoparticles, SiC nanoparticles, Ni nanoparticles, a dispersant, and distill...
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WO/2021/128112A1 |
A tube baking furnace for baking a glass tube (5), comprising a support box (1). An arc-shaped recess (19) is formed at the top of the support box (1), a tube baking cylinder (2) having a cover (7) and having the same curvature as the ar...
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WO/2021/099723A1 |
The invention relates to an electron source comprising a conductive substrate (11), a conductor arranged facing the substrate, the electron source emitting an electron beam when the conductor is positively biased with respect to the subs...
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