Application Field

涉足行业经验

Applications

Semiconductor and Pan-semiconductor Devices

Medical Care

Nuclear Industry

Aerospace

High Temperature Industrial Furnaces

Welding

Other Industries

Tungsten, molybdenum, tantalum, niobium, rhenium and other high-performance refractory metal materials and products developed and manufactured by Antai Tianlong are not only widely used in traditional industries such as aerospace, national defense and military industries, automobiles, electronics and power distribution, equipment manufacturing, metal material processing, quartz, glass and fiberglass manufacturing, high-temperature industrial furnaces, but are also widely used in various emerging industries such as LEDs, semiconductor equipment, flat panel displays, solar photovoltaic, nuclear, large-scale integrated circuits, new energy vehicles, and consumer electronics.

Semiconductors are a type of material whose conductivity at room temperature is between that of an insulator and a conductor. Its ability to conduct electricity can be controlled through voltage, light, pressure and temperature. Since its development in the 1950s, the semiconductor industry has become the core driving force for the development and transformation of the global technology industry. As underlying supporting technologies such as power drive, signal transmission, photoelectric conversion and data processing, semiconductors have successively promoted the rapid development of integrated circuits, wireless communications, solar cells, LED lighting, new energy vehicles and other industries, which profoundly changes human production and lifestyle. Today's world requires an increasing number of IC chips and compound semiconductor chips. The good life, peace and security of mankind are closely related to chips. ATTL is committed to making human beings a better place. Our high-performance refractory metal materials and products such as tungsten, molybdenum, tantalum, niobium, and rhenium have been widely used in various emerging industries such as liquid crystal displays, solar photovoltaics, and LED lighting, large scale integrated circuits, new energy vehicles, consumer electronics, lasers, IGBT, and 5G. ATTL has persistently contributed to building a green, smart, and connected future.

Medical products are related to human health. Product quality and stability are subject to very strict requirements. Refractory tungsten-molybdenum metal materials have the characteristics of high unit density, good shielding effect, and zero harmful substances in the material itself, and are widely used in high-end medical products. ATTL has decades of experience in deep processing of medical products and provides customers with solutions for various products and materials. We have optimized our product process routes and grow together with our customers.

Tungsten is a refractory metal with high melting point, high thermal conductivity, high density and high strength. It has become the preferred metal material in modern nuclear power devices due to its excellent characteristics such as low sputtering rate, low fuel retention and low neutron activation. Since the 21st century, ATTL and its predecessor AT&T Refractory Materials, have participated in major international scientific research projects, including the European Large Hadron Collider (CERN-LHC), the International Thermonuclear Experimental Reactor (ITER), the China neutron spallation source (CSNS), the European neutron spallation source (ESS) and third-generation nuclear pumps. It has a wealth of domestic and international cooperation experience in the field of high-end scientific research and is the leading domestic manufacturer of metal refractory materials in China.

The 20th century is a century of rapid development of modern science and technology. An important symbol of this era are the brilliant achievements made by mankind in the field of aerospace. In the 21st century, aerospace has shown even greater development prospects, with high-level aerospace activities becoming increasingly frequent. The great achievements made by the aerospace industry are inseparable from the development and breakthroughs made in aerospace material technology. Materials are the foundation and the forerunner of all modern high-tech and industries. The development of aerospace materials provides a strong support and guarantee for aerospace technology. Refractory metals generally refer to metals with melting points above 2,000°C; these include tungsten, molybdenum, tantalum, niobium, and rhenium. Common characteristics of refractory metals and their alloys are high melting points, good high-temperature strength, good resistance to liquid metal corrosion, and most plastic processing. Its operating temperature range is 1,100-3,320℃, which is much higher than that of high-temperature alloys. It is an important high-temperature structural material for the aerospace industry. ATTL has more than 60 years of experience in the development and support of special refractory materials and scientific research, production and quality assurance. It represents an important scientific research and production base for special refractory materials. Our refractory materials and products are widely used in aviation, aerospace, weapons, electronics and other special fields.

To meet the requirements of various heating processes in industrial manufacturing, industrial furnaces of various specifications and models are widely used. After comprehensively considering the economy and performance of heat-resistant materials, people generally choose high-temperature metal materials or non-metallic materials such as ceramics and graphite to make heating and insulation systems. ATTL provides high-performance tungsten, molybdenum, rhenium, tantalum and other high-temperature resistant metal materials and thermal field design solutions for industrial furnaces. The main industrial furnace types include artificial crystal growth furnaces (artificial sapphire crystals, single crystal silicon for semiconductors and solar energy), high vacuum heat treatment furnace, atmosphere protection furnace, hot isostatic pressing furnace (HIP), MOCVD equipment, quartz furnace, and glass kiln. This type of industrial furnace meets temperature requirements ranging from 900 degrees Celsius (1652 degrees Fahrenheit) to 2,800 degrees Celsius (5,072 degrees Fahrenheit). We offer the following products: Heating components: heating wire, heating mesh, heating rod, heating belt, birdcage heating element Containers: crucible, tube Support system: support plate, support column, support cage, support platform Insulation system: side, upper, and bottom screens of metal reflective screens

ATTL is a leading enterprise in China's tungsten electrode industry and a drafting unit of the national standard GB/T31908-2015 Tungsten Electrodes for Arc Welding and Plasma Welding and Cutting. ATTL has been committed to the development and production of tungsten electrodes for argon arc welding since 1993, and has accumulated rich experience in production, technology and management. Its production process strictly follows the requirements of the ISO9001:2015 international quality system, which ensures the excellent quality of its tungsten electrodes. ATTL has an annual output of 900 tons of thorium tungsten, cerium tungsten, lanthanum tungsten, yttrium tungsten, zirconium tungsten, pure tungsten and composite tungsten electrodes, and provide users with high-quality tungsten electrodes of all varieties, brands, and specifications.

High-performance refractory metal materials and products such as tungsten, molybdenum, tantalum, niobium, and rhenium developed and manufactured by ATTL are not only widely used in traditional industries such as aerospace, automobiles, electronics and electricity, equipment manufacturing, metal material processing, quartz, glass and fiberglass manufacturing, and high-temperature industrial furnaces, but also in various emerging industries such as LEDs, semiconductor equipment, flat panel displays, solar photovoltaics, nuclear, large scale integrated circuits, new energy vehicles, and consumer electronics.

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Semiconductor and Pan-semiconductor Devices

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Medical Care

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Nuclear Industry

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Aerospace

MOCVD Heater

Metal organic compound vapor deposition (MOCVD) equipment is a key core equipment in the field of LED semiconductor epitaxy, with the heater being one of its core components

Ion Implanter Parts

Ion implantation (scanning accelerator type) is an approach for injecting high-energy doping element ions into a semiconductor wafer to obtain the required doping concentration and junction depth. Due to its chemical purity, as well as its precise and controllable process, ion implantation is a unique research method that is also widely used to change refractive indices in optical materials, to increase the critical temperature of superconducting materials, in surface catalysis, changing the magnetization intensity of magnetic materials, improving the movement speed of magnetic bubbles, and simulating neutron radiation damage.

Flat Panel Display

Display screens are now an integral part of our lives, and can be found everywhere in televisions, computers, mobile phones, smart watches, car displays, etc. The development of new display technologies, such as higher resolution and ultra-high-definition 8K, also poses higher requirements on the performance of the display screens.

Power Devices

IGBT modules play a vital role in electric vehicles and are a core technical component of equipment such as electric vehicles and charging stations.

5G

With the high speed, large capacity and miniaturization of modern devices, the amount of heat generated by semiconductors used for wireless communication is also increasing. Various compound semiconductor GaN (gallium nitride) chips are installed on 5G base stations (antennae). Compared with traditional silicon semiconductors, they are small with high performance parameters. However, due to their high calorific density (calorific value per unit volume), efficient heat dissipation methods are indispensable to ensure the reliability of communication networks. ATTL provides a variety of high thermal conductivity and low expansion materials for GaN semiconductor power amplifiers, offering technical support for the new generation of mobile communication networks.

Ceramic/Metal Packaging Shells

Packaging shells are used to place, fix, seal, and protect the chip, enhancing its electrothermal performance, while acting as a bridge between internal and external circuits. The contacts on the chip are connected to the pins on the chip package through wires, while the chip housing pins are connected to other electronic devices through wires on the printed board. Commonly used packaging types include plastic, ceramics, glass and metal.

Radiation Shielding

Rays are one of the most important discoveries in modern physics, bringing new hope to the study of medicine and the structure of matter. Common rays include alpha rays, beta rays, gamma rays and neutron rays.

Imaging Diagnosis

Computer tomography (CT) is an X-ray computed tomography scanner that performs multiple cross-sectional scans around a certain part of the human body by using precisely collimated X-ray beams along with extremely high-sensitivity detectors. It provides fast scanning times and clear images and can be used to examine a variety of diseases, accurately identify lesions, and help doctors make diagnoses.

Radiotherapy

Radiotherapy is an approach that uses radiation to locally treat tumors. This includes alpha, beta and gamma rays produced by radioactive isotopes and x-rays, electron beams, proton beams and other particle beams produced by various x-ray therapy machines or accelerators.

Nuclear Fusion

Nuclear fusion research is a major international program initiated by the global scientific community to solve the future energy problems of mankind. Unlike non-renewable energy and conventional clean energy, fusion energy theoretically offers unlimited resources, does not pollute the environment, and does not produce any highly radioactive nuclear waste. It will become one of the dominant forms of energy in the future, and is also an important way to finally solve the energy and environmental problems of human society and promote sustainable development. The ITER project represents an indispensable step towards the commercialization of fusion energy. Its goal is to verify the scientific and technical feasibility of the peaceful use of fusion energy.

Nuclear Power

Tungsten is a refractory metal with high melting point, high thermal conductivity, high density and high strength. It has become the preferred metal material in modern nuclear power devices due to its excellent characteristics such as low sputtering rate, low fuel retention and low neutron activation.

Nuclear Physics

Neutrons are ideal probes for studying the structure and dynamics of matter, and neutron scattering techniques have been widely used in many basic disciplines. A neutron source is a device capable of generating neutrons, and is an essential device for neutron physics experiments such as nuclear reactions and neutron diffraction.

Aerospace Components

The 20th century is a century of rapid development of modern science and technology. An important symbol of this era are the brilliant achievements made by mankind in the field of aerospace. In the 21st century, aerospace has shown even greater development prospects, with high-level aerospace activities becoming increasingly frequent. The great achievements made by the aerospace industry are inseparable from the development and breakthroughs made in aerospace material technology. Materials are the foundation and the forerunner of all modern high-tech and industries. The development of aerospace materials provides a strong support and guarantee for aerospace technology.

Quartz Furnaces

Quartz glass features a single component of silicon dioxide. This kind of glass has a Mohs hardness up to level seven, with good high-temperature resistance, a low expansion coefficient, and good thermal shock resistance, chemical stability and electrical insulation properties. It is also able to transmit ultraviolet and infrared rays. The material is widely used in the production of electric light sources, semiconductors, optical fiber communications, lasers, optical coatings, laboratory instruments, medical equipment and high temperature and corrosion resistant chemical instruments, chemical industry, electronics, metallurgy, building materials and national defense industries. The current generation of quartz drawn tube furnaces are known as continuous melting furnaces; these offer obvious advantages for continuous production compared with older models. High-purity quartz sand is continuously fed from the upper end of the furnace into the tungsten tube, while the tungsten rod is heated to above 2,100°C to provide suitable resistance. The high-purity quartz sand gradually melts into a quartz solution, flows out from the mouth of the material table from top to bottom, where it is cooled and formed instantly. The material table and the former combine to draw quartz tubes of different diameters and thicknesses, as well as continuous quartz melting products such as quartz plates and quartz rods.

High Temperature Heat Treatment Furnace

High temperature heat treatment furnaces are a kind of heat treatment equipment commonly used in the processing of metal and non-metal materials. They improve the structural properties and surface state of materials.

Hot Isostatic Pressing Furnace

Hot isostatic pressing uses high temperature and high pressure to simultaneously subject metal or ceramic products to equal pressure in all directions, so that the parts can be sintered and densified. As science and technology has developed, requirements for materials in various fields are becoming increasingly sophisticated. Hot isostatic pressing densification, diffusion bonding, powder metallurgy near-net forming technology and hot isostatic pressing have become common processes in the manufacturing of many high-end products. Hot isostatic pressing has been widely used in aerospace, energy, oil and gas, medical, rail transportation, electronic semiconductors, machinery, additive manufacturing and other fields for many years.

Sapphire Crystal Growth Furnace

Sapphire crystals are the most basic single crystal form of aluminum oxide (Al2O3). They offer a series of outstanding physical and chemical properties such as high strength, good hardness, high temperature resistance, friction resistance, corrosion resistance, good light transmission performance, and excellent electrical insulation.

Monocrystalline Silicon Crystal Growth Furnace

For single crystal silicon, polycrystalline silicon material first needs to be formed into single crystal silicon rods using the Czochralski or zone melting method. Monocrystalline silicon cells are currently a standard product in the photovoltaic market due to their advanced technology and high conversion efficiency.

Fiberglass Furnace

Furnaces for glass and fiberglass products are divided into flame heating furnaces and electric melting furnaces. Electric melting kilns can be divided into all-electric melting furnaces, electric hybrid kilns and electric boosting kilns; electric melting kilns have begun to slowly replace flame heated kilns to meet national energy conservation and environmental protection requirements.

Argon Arc Welding

Argon arc welding is also known as argon gas shielded welding. Passing argon arc protective gas around the arc welding isolates the air from the welding area and prevents the oxidation of the welding area.

Friction Stir Welding

Friction stir welding refers to the use of heat generated by the friction between the high-speed rotating welding tool and the workpiece to locally melt the material to be welded. As the welding tool moves forward along the welding interface, the plasticized material flows from the front to the rear of the tool under the action of rotational friction, forming a dense solid phase weld.

Plasma Spraying

Plasma spraying is a material strengthening and surface modification technology, which conveys properties on the substrate surface including wear resistance, corrosion resistance, high temperature oxidation resistance, electrical insulation, heat insulation, radiation protection, wear reduction and sealing.

Rare Earth Industry

Rare earth electrolysis is a process that electrolytically reduces rare earth oxides to rare earth metals. The reaction process takes place at 1,000°C. Tungsten and molybdenum materials are often used as metal receivers, while tungsten rods are used as electrolytic cathodes.

Perforating Charge

Perforating charges are commonly used in oil and other mineral exploration. Tungsten powder is added to the filling inside the perforating charges, and the high density of tungsten is used to achieve an excellent perforation effect.

Injection Mold

In the automotive industry, injection molding requires high-temperature plastic material liquids to be transported through hot runners and injected into the mold through nozzles. The nozzle should feature outstanding thermal conductivity and strength to ensure that the plastic can be injected into the mold at a suitable temperature and operate stably for a long time.

Security and Defense

ATTL was the first company in China to engage in the application of refractory metals for safety and defense components. The company holds multiple invention and manufacturing patents, and has helped draft numerous national and industry standards. ATTL uses advanced powder metallurgy technology to manufacture tungsten alloy particle parts with a density up to 18.5g/cc, which is 2.3 times the specific gravity of steel (7.8g/cc), and can also produce customized products.

Collimator For Security Inspection Instruments

Security inspection instruments are used at airports, ports, borders, luggage, containers, freight trains and motor vehicle security screening scenarios. The collimator for security inspection instruments allows the rays to pass through along the specified path to avoid the rays causing damage to the human body. We provide collimator components for security inspection instruments.

Industrial Counterweight

Tungsten alloys with high specific gravity are known as 3-high (or 3H) alloys, that is, high-density, high-strength, and high-hardness. Therefore, one important use of high specific gravity alloys is as a counterweight.

High-temperature Alloy

The steel industry is the largest application area for niobium. Niobium is mainly used in the steel industry to manufacture different alloy steels, heat-resistant alloys, niobium-based alloys and niobium carbides; niobium is one of the main alloying elements of steel. Adding 0.02% to 0.05% trace metal niobium to ordinary steel can increase its strength by 20% to 25%, improve its mechanical and welding properties, improve heat and corrosion resistance, and reduce the brittleness of steel. Because niobium steel has these excellent properties, it can be used in rocket engine manufacturing and spacecraft heat shielding, as well as in structural materials for electronic reactors and cladding materials for nuclear fuels.

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High Temperature Industrial Furnaces

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Welding

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Other Industries