USTRON List of Products and Services

"Quartz glass" has good transmission characteristics over a wide wavelength range from ultraviolet to infrared. It is heat-resistant, with a softening point of about 1700°C, and can be used at high temperatures up to 1000°C. Its thermal expansion coefficient is also extremely low, allowing it to withstand rapid temperature changes. Additionally, "fused quartz glass" is produced from high-purity natural quartz using the oxyhydrogen flame method, while "synthetic quartz glass" is mainly manufactured from silicon tetrachloride. [Features] ■ Wide wavelength range from ultraviolet to infrared ■ Good transmission characteristics ■ Very high softening point of about 1700°C, usable at high temperatures up to 1000°C ■ Extremely low thermal expansion coefficient, allowing it to withstand rapid temperature changes ■ Excellent chemical resistance *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Other polymer materials

"Synthetic quartz glass" is a product mainly made from silicon tetrachloride. Due to its high purity, low metal impurities, excellent light transmission, and heat resistance, it can be used in applications such as optical fibers, semiconductor manufacturing equipment, liquid crystal displays, and photomasks. At USTRON, we can manufacture high-precision quartz glass wafers using our high-quality products, tailored to meet our customers' needs. We will respond to material dimensions and shapes as required. Please feel free to contact us when placing an order. 【Features】 ■ High purity ■ Low metal impurities ■ Excellent light transmission ■ Heat resistant *For more details, please refer to the PDF document or feel free to contact us.

• Glass
• Other polymer materials

As a field we have been engaged in since our establishment, we provide "various precision processed quartz products." The semiconductor manufacturing process, which requires high purity and heat resistance, is one of the important application areas for quartz glass. In recent years, automation of processes in this field has advanced, and there is an increasing demand for ever more precise products. We are expanding our application areas by responding to advanced requirements with our processing technology for essential items such as tubes and boats used in CVD processes and oxidation/diffusion processes. 【Quartz Glass Materials】 ■ Quartz Fiber Sleeve Material ■ Heat Resistant/High Temperature Fabric Material ■ Chemical Components *For more details, please refer to the PDF materials or feel free to contact us.

• Processing Contract
• Other machine elements

"JGS2" is an extremely high-purity fused quartz glass melted with an acid-hydrogen flame. It possesses excellent characteristics such as ultra-low expansion rate, high transmittance in the far ultraviolet region, and chemical durability, making it suitable as an optical component material that requires sub-micron level ultra-precision and high stability. We will respond to the material dimensions and shapes of the glass as needed. 【Specifications】 ■ Purity: 99.99% ■ OH (PPM): 200 ■ Wavelength range: 200–2500nm ■ Electrical properties ・ Volume resistivity: 4.0 [10^13] (Ω/cm) at 200℃ ・ Dielectric constant: 100 (F/m) *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Glass

"JGS1" is an extremely high-purity fused/synthetic quartz product with excellent characteristics such as ultra-low expansion rate, high transmittance in the far ultraviolet region, and chemical durability. It is suitable as an optical component material that requires sub-micron level precision and high stability. We will respond to the material dimensions and shapes of the glass as needed. 【Specifications】 ■ Purity: Fused quartz 99.99% / Synthetic quartz 99.999% ■ Striae direction: One side striae free (synthetic quartz) ■ OH (PPM): Fused quartz 200 / Synthetic quartz 1200 ■ Wavelength range: Fused quartz 240–2500nm / Synthetic quartz 200–2500nm *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Glass

"Quartz Fiber Ribbon" is an insulating cloth and tape (quartz fiber) made by weaving silica yarn with over 98% silica content into a fabric using a braiding machine, capable of withstanding temperatures up to 1050°C. It shows minimal degradation even when used at high temperatures, making it particularly suitable for applications that require heat resistance, acid resistance, and electrical insulation. Additionally, due to its excellent flexibility and thermal insulation properties, it can be used for abrasion resistance and fire protection of high-temperature pipes and cables. 【Features】 ■ Excellent heat resistance, thermal insulation, thermal shock resistance, and flexibility ■ Chemically stable ■ Four products in the lineup *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

The "Quartz fiber sleeve" is a quartz fiber sleeve made by braiding silica yarn with over 98% silica content into a cylindrical shape using a braiding machine. It can withstand temperatures up to 1050°C. It excels in flexibility and thermal insulation performance, making it suitable for wear resistance and fire protection of high-temperature pipes, cables, and more. 【Electrical Properties】 ■ Dielectric constant: 3.74 ■ Dielectric loss: 0.0002 ■ Resistivity (at 20°C): 1×10^20Ω·m ■ Resistivity (at 1000°C): 1×10^8Ω·m *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"Quarts Rod" is an extremely high-purity quartz product with excellent characteristics such as ultra-low expansion rate, high transmittance in the far ultraviolet range, and chemical durability. It is suitable as an optical component material that requires sub-micron level ultra-precision and high stability, for materials used in optical fibers, semiconductor/solar power generation quartz boats, etc. We will accommodate the material dimensions and shapes of the glass materials as needed. [Thermal Properties] ■ Coefficient of Thermal Expansion ・Melting/Synthesis: 6[10-7](50～200)℃ ■ Softening Point: Melting 1730℃ / Synthesis 1600℃ ■ Strain Point: Melting 1075℃ / Synthesis 1025℃ *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Quarts Tube" is an extremely high-purity quartz product with excellent characteristics such as ultra-low expansion rate, high transmittance in the far ultraviolet range, and chemical durability. It is suitable as an optical component material that requires sub-micron level ultra-precision and high stability for materials used in optical fibers and diffusion furnace tubes for semiconductors/solar power generation. We will respond to the material dimensions and shapes of glass materials as needed. 【Thermal Properties】 ■ Coefficient of Thermal Expansion ・Melting/Synthesis: 6 [10-7] (50–200)℃ ■ Softening Point: Melting 1730℃ / Synthesis 1600℃ ■ Strain Point: Melting 1075℃ / Synthesis 1025℃ *For more details, please refer to the PDF document or feel free to contact us.

• tube

"AQZ" is an extremely high-purity quartz product. It possesses excellent characteristics such as ultra-low expansion rate, high transmittance in the far ultraviolet region, and chemical durability, making it suitable as an optical component material that requires sub-micron level ultra-precision and high stability. We will respond to the material dimensions and shapes of the glass as needed. 【Specifications】 ■Product Name: AQZ ■Purity: 99.999% ■Striation Direction: 3 side striae free (VAD) ■OH: Less than 200 ppm ■Wavelengths Used: 436nm, 365nm, 248nm *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Other machine elements
• Other electronic parts

The product "FLH321" is used for semiconductor and solar power generation quartz boats, cleaning tanks, furnace core tubes, quartz flanges, and various rod materials for optical fibers, as well as for physical and chemical containers, covers, large-scale and high-precision flat quartz substrates for electronic engineering, viewing windows for devices, and prisms. Additionally, we can accommodate various special processing requests according to customer needs. This specification document includes various characteristics such as thermal properties, optical properties, chemical properties, and impurities (reference values). Please take a look. [Contents] ■ Various Characteristics - Thermal Properties - Optical Properties - Chemical Properties - Mechanical Properties - Electrical Properties ■ Impurities (Reference Values) - AL, Ca, Mg, Cu, Fe, Ni, Mn, Li *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Other machine elements
• Other electronic parts

USTRON (Astron) has been manufacturing and selling various high-purity deposition materials used in vacuum deposition at its own factory in China since 2002. We provide a wide range of vacuum deposition materials, including oxides, fluorides, sulfides, and pure metals, and we can also produce thin film materials in shapes and sizes according to the Haas liner. We cater to various customer needs. 【Features】 ■ Silicon Dioxide (SiO2) - Easy to manage deposition time due to standardized specifications - Low refractive index, suitable for electron resistance deposition and electron beam deposition ■ Tantalum Pentoxide (Ta2O5) - Low absorption coefficient, creating a smooth transmission rate curve - High refractive index with minimal gas generation during film formation - Suitable for electron gun deposition *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Other electronic parts
• Other machine elements

We supply Si targets that have reduced cracking through a special manufacturing process. Currently, Si targets are said to have a high incidence of cracking, but our unique manufacturing method can reduce this issue. We also manufacture and sell various other metal materials, oxides, and alloy targets according to customer requests. We can perform bonding processing with new target materials if you provide backing plates. Production is carried out at our affiliated factory in China, allowing us to offer low-cost solutions, while maintaining a production system based on quality standards in Japan. We can also conduct various analyses based on customer requests. 【Available Materials】 Metal Materials: Si, Nb, Ti, Cr, Ta, Al… Oxides: SiO2, Ta2O5, Al2O3, ITO… Alloy Materials: Cu+Ag, Ni+Cr, Ti+Cl… *We also provide introductory materials on the manufacturing process. *For more details, please refer to the PDF document or feel free to contact us.

• Sputtering Equipment

USTRON Co., Ltd. has over 20 years of production experience in thin film materials, quartz products, and their accessories, and produces various high-purity deposition materials and sputtering target materials at its production facility of over 21,000 m2 in China. Through strict quality control, we guarantee stable film formation in each batch. We are dedicated to the production and research of thin film technology, striving to be a reliable partner for our customers in an ever-evolving industry. 【Business Activities】 ■ Material Business ■ Semiconductor Component Related Business ■ Advanced Equipment Material Related Business *For more details, please refer to the PDF document or feel free to contact us.

• Other semiconductors
• Other machine elements

"Optical thin film materials" are primarily produced as thin films through sputtering and vacuum deposition. Pure metals, alloys, oxides, and organic materials are used as the materials for the thin films, providing optical properties, strength, and resistance to contamination to the products. Since we manufacture in-house, we can provide almost all types of materials. The mixing ratios can also be freely adjusted. We can accommodate everything from small-scale, low-quantity items for research purposes to large-scale, high-quantity products for mass production. 【Features】 ○ In-house manufacturing allows for the provision of almost all types of materials ○ Mixing ratios can be freely adjusted ○ Can cooperate in the development of new materials ○ Defects and impurities are removed through full inspection ○ Capable of handling small-scale, low-quantity and large-scale, high-quantity products For more details, please contact us or download the catalog.

• Other metal materials
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