Custom Fused Quartz Glass Diffusion Tube for Semiconductor & Photovoltaic

Custom Fused Quartz Glass Diffusion Tube for Semiconductor & Photovoltaic

Photovoltaic Quartz Diffusion Furnace Tubes: The Heart of Solar Cell Manufacturing

A Photovoltaic Diffusion Tube, also known as a Diffusion Furnace Tube or Solar Diffusion Tube, is a high-purity, high-temperature component central to the production of silicon solar cells. This critical Quartz Diffusion Tube serves as the reaction chamber within a Thermal Processing System where the key step of phosphorus diffusion occurs.

The primary function of this Diffusion Process Tube is to provide a contaminant-free environment for the precise formation of the p-n junction, the essential semiconductor structure that enables a solar cell to convert sunlight into electricity. As a Diffusion Tube for Solar Cell Manufacturing, it must exhibit exceptional characteristics. Made from synthetic fused quartz, it offers superior optical transparency and thermal stability, withstanding process temperatures exceeding 1000°C repeatedly without sagging or devitrification. Its high chemical purity prevents unwanted doping contamination during the diffusion process, ensuring the precise electrical properties required for high cell efficiency.

While specifically designed as a Quartz Tube for PV Industry, its fundamental role in thermal diffusion also makes it a type of Semiconductor Diffusion Tube, sharing technology with microchip fabrication. These tubes are typically characterized by large diameters, uniform cross-sections, and custom end configurations to integrate seamlessly into horizontal diffusion furnaces, handling large batches of silicon wafers simultaneously. The performance and longevity of the Photovoltaic Diffusion Tube are directly linked to solar cell quality and production yield, making it an indispensable component in the global renewable energy supply chain.

Fused Quartz Glass Features:

Fused quartz glass is a special industrial glass made of silicon dioxide. It is a very good basic material. Quartz glass has a series of excellent physical and chemical properties.

1. High temperature resistance. The softening point of fused quartz glass is about 1730℃ and can be used for long time working under 1100℃~1250℃.  And working at 1450℃ in a short time.

2. Corrosion resistance. In addition to hydrofluoric acid, fused quartz glass is inert to other acids. Its acid resistance is 30 times as ceramic, 150 times as stainless steel. Especially, any other material cannot make a comparison with chemical stability of fused quartz at high temperature

3. The thermal stability is good. Thermal expansion coefficient is extremely small. And it can withstand severe temperature changes such that heating up to 1100℃ and putting it in normal temperature water will not crack.

4. The light transmittance is good. Quartz glass has good transmittance in the whole spectral band from ultraviolet to infrared. The transmittance of the visible light is above 95%. Especially in the ultraviolet spectrum band and the maximum transmittance is over 85%.

5. The electrical insulation performance is good. Resistance value of quartz glass equaling to 10000 times of ordinary glass. It is an excellent electrical insulating material and has good electrical properties even under high temperature.

As a leading China fused quartz glass supplier and manufacturer, we are providing best price as well as quality for all kinds of customized fused quartz products. We are also willing to look for long term partners who are a distributor or wholesaler specialized in fused quartz glass in local.

For prompt quotation, please contact us at below form.

LEAVE A MESSAGE

Fused quartz glasses have the excellent properties for their following features:

• High working temperature
• Thermal shock resistance
• High electrical insulation
• Optical transparency
• Chemical inertness