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Tungsten Tetraboride 34

Like tungsten monoboride (BW), ditungsten boride (BW?), tungsten diboride (WB?), and ditungsten pentaboride (W?B?), tungsten tetraboride (WB?) is an inorganic compound composed of the transition metal tungsten (W) and the non-metal boron (B). It exhibits excellent mechanical and electrical properties, making it valuable for applications in machining and electrode preparation under extreme conditions. Due to varying ratios of tungsten to boron atoms, different tungsten borides have distinct physicochemical properties, production methods, and applications. Below is an overview of WB?’s basic…

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Molybdenum Acid 30

As an important compound of the rare metal molybdenum, molybdic acid is a colorless triclinic or yellow monoclinic solid powder formed by combining molybdenum trioxide (MoO?) and water in a specific ratio. It is a hydrated molybdenum oxide composed of hydrogen ions (H?), hydroxide ions (OH?), and molybdate ions ((MoO?)2?). Its English name is Molybdic Acid, with a molecular formula typically of MoO?·2H?O, a molecular weight of 179.97, and a CAS registry number of 7782-91-4. The solid form of molybdic…

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Barium Tungsten Electrodes for Solar Simulators 33

Solar simulators are critical equipment for the research, development, and quality testing of photovoltaic devices. Their primary function is to accurately replicate the spectral distribution, irradiance intensity, and spatial uniformity of sunlight. As a key component of the simulator’s light source system, barium tungsten electrodes play an irreplaceable role in enhancing light source performance and ensuring testing accuracy. Applications of Barium Tungsten Electrodes in Solar Simulators 1. Core Electrode Material for Xenon Lamps Xenon lamps have become the mainstream light…

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Barium Tungsten Electrodes for Surgical Shadowless Lamps 27

Surgical shadowless lamps are critical devices used in operating rooms to illuminate surgical sites. Their core function is to project light onto the surgical area at specific angles through the reflection and refraction of multiple light sources, preventing shadows caused by the surgeon’s head or instruments and providing a clear, uniform surgical field of view. Key requirements for these lamps include high brightness, low heat output, precise color temperature control, and long service life to meet the stringent lighting demands…

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Barium Tungsten Electrodes for Industrial Sterilization 26

Barium tungsten electrodes are made of high-purity tungsten as the main component and are made by doping barium elements or their compounds (such as barium oxide). They are a high-performance cathode material that combines the high melting point and corrosion resistance of tungsten with the low work function characteristics of barium. In the field of industrial sterilization, barium tungsten electrodes are widely used in technologies such as plasma sterilization, ultraviolet sterilization, and electrochemical sterilization due to their efficient electron emission…

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Barium Tungsten Electrode for Industrial Inspection 25

Barium tungsten electrode is an electrode material with tungsten as the matrix and doped with barium or barium compounds, which combines the high melting point, high hardness of tungsten and the low work function characteristics of barium. This electrode has potential application value in the field of industrial inspection due to its excellent electron emission performance and arc stability. Industrial inspection involves multiple fields such as non-destructive testing, material analysis, and semiconductor manufacturing. Barium tungsten electrodes can provide high-precision and…

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Barium Tungsten Electrodes for Medical Aesthetic Light Sources 23

Barium tungsten electrodes, as core components of medical aesthetic light sources, play a pivotal role in enhancing equipment performance and ensuring treatment safety, thanks to their unique physicochemical properties. Their technological advantages are directly linked to the stability, efficiency, and service life of light sources, making them an indispensable part of modern medical aesthetic technology. I. Technological Principles of Barium Tungsten Electrodes in Medical Aesthetic Light Sources Barium tungsten electrodes achieve low work function and efficient electron emission through the…

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Barium Tungsten Electrode for Traveling-Wave Tube 25

The Traveling-Wave Tube (TWT) is a vacuum electronic device used for amplifying microwave signals, widely applied in scenarios requiring high-power and wide-bandwidth signal amplification. The barium tungsten electrode, as the core cathode material in the electron gun of the TWT, provides a stable electron beam by efficiently emitting electrons. I. What is a Traveling-Wave Tube? A Traveling-Wave Tube is a device that amplifies signals through the interaction between an electron beam and a microwave field. Its working principle relies on…

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Barium Tungsten Electrodes for Magnetrons 28

A magnetron is a vacuum electronic device that utilizes alternating electromagnetic fields to control electron motion, thereby generating high-power microwaves. One of its critical components is the cathode electron emission source. As a typical cathode material for magnetrons, barium tungsten electrodes play a pivotal role in microwave generation systems due to their unique physical properties. I. Working Principle of Barium Tungsten Electrodes in Magnetrons Barium tungsten electrodes employ a metallic tungsten matrix into which barium compounds (e.g., barium oxide) are…

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Barium Tungsten Electrode for Klystron 26

A klystron is a vacuum electron device used for microwave amplification and oscillation, widely applied in radar, communication, and particle accelerator fields. The barium tungsten electrode is commonly used as the cathode in klystrons due to its excellent electron emission performance. I. Role of Barium Tungsten Electrode in Klystron 1. Electron Emission: As a thermionic cathode, the barium tungsten electrode releases electrons when heated, forming an electron beam. The klystron utilizes the interaction between this electron beam and microwave signals…

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