Fused Silica Quartz Windows JGS1, JGS2, JGS3 Grades in Stock
Fused Silica Quartz Wafer Grades
We have the following quartz grades in Inventory, see below for more detail. JGS1, JGS2 and JGS3 in stock. 50μm - >1,000μm also available.
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Fused Silica Quartz Windows Grade & Properties
There are three types of Fused Silica and applications
JGS1 Fused Silica
- Laser substrate
- Windows
- Lens
- Prism
- Mirror
JGS2 Fused Silica
- Semiconductors
- High-Temperature Windows
JGS3 Fused Silica
- Infrared Substrates
- Ultra-Violet Substrates
Fused Silica Quartz Wafers Inventory JGS1, JGS2 and JGS3 in stock. 50μm - >1,000μm also available.
Below are just some of the fused quartz windows that we have in stock.
Please let us know if you have a custom spec you would like us to quote.
| Item | Dia | Thk | Pol |
| 2467 | 10mm Sq | 500μm | DSP |
| 1951 | 50.8mm | 100μm | DSP |
| 2337 | 76.2mm | 50μm | DSP |
| 518 | 100mm | 500μm | DSP |
| 1943 | 100mm | 1,000μm | DSP |
| 2090 | 150mm | 500μm | DSP |
What is the Strain Point for Fused Silica
The strain point for fused silica is at 983 degrees centigrade.
What Material is used to measure surface temperature using an infrared camera?
The thermal camera that will be used to image the quartz surface has a wavelength range of 7- 14 microns.
The coating we are looking for would be about 100 nm of a material that will reduce reflectivity of the glass and increase its emissivity.
Researcher asks:
Would you be able to provide recommendations for such a coating?
Answer:
The following specs will work for your experiments.
The price for 0.3mm thick will be very expensive, See our quotation below:
1. Fused quartz sheet (200 mm X 50 mm x 0.3 mm) (same dimensions as earlier)
Quantity: 3 pieces
FOB Price: $Contact Us
2. Fused quartz sheet (200 mm X 50 mm x 1 mm) (newly added line item)
Quantity: 3 pieces
FOB Price: $Contact Us
Fused Quartz Wafers That are Infrared (IR) Compatible
A research client asks:
We quoted and the researcher purchased the following.
1. Fused quartz sheet (200 mm X 50 mm x 0.3 mm) (same dimensions as earlier)
FOB Price: $Email
2. Fused quartz sheet (200 mm X 50 mm x 1 mm) (newly added line item)
FOB Price: $Email
What is Flamed Fused Quartz?
If you've ever worked with a piece of flame-fused quartz, you've probably been struck by the high degree of 
resistance and residual stress involved. The residual stress can range anywhere from 1.7 x 105 to 20.4 x 105 Pa or 25 to 300 psi. The cooling rate can be as high as 100degC per hour for sections less than 25mm. Hence, flame-fused quartz must be treated with extreme care.
HSQ 351
HSQ 351 flame-fused glass is synonymous with high purity, natural or synthetic. Its crystalline structure is extremely resistant to thermal and chemical degradation. Heraeus uses a high-quality quartz to make diffusion barriers and dopants. The flame-fusing process is unique to Heraeus and involves heating the quartz grain by grain. During the process, sable fond is formed and then it is removed from the heat source slowly.
This process produces a crystal of ultra-low temperature expansion, a material with a higher refractive index, and a high surface hardness. The resulting glass is widely used in optical communication, in optical equipment, and in semiconductor applications. HSQ 351 flame-fused quartz provides superior material purity. These crystals are shaped to suit a variety of applications. The crystal-clear quartz is placed in a chamber surrounded by heating elements.
High-purity fused quartz is characterized by its low aluminum content, low inclusions, and excellent electrical resistance. Its tensile strength is high, with a design stress of.68 x 10 7 Pa. However, this strength is affected by surface flaws. The highest-purity fused quartz has an average density of 58 ppm (parts per million) of total elemental impurities, which is very low for glass.
Ohara Synthetic Fused Silica
Ohara has introduced a synthetic silica, called SK-1300, that is manufactured by a process called axial vapor phase deposition. This material offers excellent heat resistance, transmission and refractive index homogeneity. It is highly suited for optical elements and lasers. Ohara also offers high-quality glass crystals that are compatible with optical devices. Here, we will discuss the advantages of this new product.
Ohara synthetic fused silica has excellent heat resistance, mechanical strength, and chemical resistance. Compared to fused quartz, it is less costly and has a lower OH content. The material has better UV transmission and is less susceptible to scratching. It also has a wide operating range. The OH content and the colorless appearance of Ohara synthetic silica make it a popular choice for a variety of applications.
Using this method, Ohara produces high-purity silica with a yield of 105 kg of dry silica powder. The resulting product contains less than 0.2 ppm of each metallic element. The silica powder is composed of polydisperse agglomerates of 100-500 nm in diameter. This makes it ideal for use in lasers and in high-end electronics.
Natural Quartz
Fused quartz is a material obtained by heating a large quantity of quartz with a high-pressure oxy-hydrogen flame. After the quartz is heated to high temperatures, it is collected and then shaped into a boule. Then, it is mechanically and fire-polished to make it clear. In the next step, a synthetic material called silicon tetrachloride (SiCl4) is added to the quartz mixture.
In ultraviolet light, natural quartz has a phosphorescent or solarizing property. While synthetic quartz has a low content of metallic impurities, it has a low transmittance at the higher wavelengths. The absorption band at 245 nm is characteristic of reduced glass and electric fusion. The fundamental vibrational band of incorporated structural hydroxyl ions is at 2.73 mm and strongly absorbs light.
Fused quartz has a very low coefficient of thermal expansion, about 1/34 of that of copper and a fifth of that of borosilicate glass. This property makes it suitable for many applications involving critical optics. It also exhibits an unusually high thermal shock resistance. A thin section of fused quartz can be heated to 1500degC and plunged in water without cracking. Consequently, it is used in the fabrication of high-precision components, as well as in the manufacturing of jewelry.
Video: Fusing Window to Quartz