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2024-09

High-purity quartz in the field of electric light sources

In the field of electric light sources, high-purity quartz finds extremely broad applications. In transparent quartz glass tubes, it is used for tungsten‑filament lamps, high‑pressure mercury lamps, metal‑halide lamps, and other industrial‑grade transparent quartz glass tubes. In optical instruments, it serves to manufacture lenses, prisms, mirrors, and other components for microscopic optics, scanning‑printing devices, cameras, and various mechanical systems. Additionally, it is employed in other high‑value‑added electric‑light‑source materials, such as vacuum‑electronic instruments.

2024-09-30

High-purity quartz in the field of electric light sources

30

2024-09

High-purity quartz in the photovoltaic field

In the photovoltaic sector, quartz crucibles are used to contain molten silicon and produce ingots required for subsequent processing steps. They are an indispensable supporting material in the PV industry and a critical consumable that underpins silicon‑material production. In recent years, China’s photovoltaic industry has experienced rapid growth, undergoing a period of swift transformation. Consumption of photovoltaic wafers has surged, driving a corresponding sharp increase in demand for quartz crucibles—particularly as the share of monocrystalline silicon continues to rise and photovoltaic modules transition from P‑type to N‑type technologies. This shift places heightened demands on crucible dimensions, purity, crystal‑pulling duration, and the number of pull cycles. Consequently, large‑size, high‑purity, long‑life, multi‑cycle, ultra‑pure quartz crucibles are poised to become the future direction of technological advancement.

2024-09-30

High-purity quartz in the photovoltaic field

30

2024-09

The unique molecular chain structure of high-purity quartz

High-purity quartz, owing to its unique molecular chain structure, crystal lattice geometry, and characteristic lattice‑transformation behavior, exhibits exceptional chemical stability, an extremely low coefficient of thermal expansion, outstanding thermal resistance, high dielectric strength, low and stable ultrasonic delay characteristics, superior mechanical properties compared with ordinary glass, as well as excellent transmission in the ultraviolet region and in the visible and near‑infrared spectral ranges. Consequently, it plays a pivotal role in fields such as semiconductors, photovoltaics, optical fibers, and electric lighting.

2024-09-30

The unique molecular chain structure of high-purity quartz

30

2024-09

Materials used in the manufacturing of semiconductor chips

To meet the demands of mass production, the electrical properties of semiconductors must be both predictable and stable; therefore, stringent requirements are imposed on the purity of dopants and the quality of the semiconductor crystal lattice. Common quality issues—such as lattice dislocations, twins, or stacking faults—can all degrade the performance of semiconductor materials. For a semiconductor device, defects in the material’s crystal lattice are typically the primary factor limiting device performance.

2024-09-30

Materials used in the manufacturing of semiconductor chips
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Liaoning Advance Foundation Semiconductor Materials Co., Ltd.

Address: No.89, Shendong 4th Road, Wanghua District, Fushun City, Liaoning Province

Telephone: +86 24 56856688

E-mail: liangqijia@tbhj.net

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