The Saphire Quartz Products Manufacturer!
Alfa Quartz was established in 2013. It is a manufacturer that researches, develops, produces, and sells high-quality semiconductor quartz components, quartz glass instruments, optical quartz glass sheets, PV (Photovoltaic) quartz boats/boat trays, and other accessories.
Why choose us
Professional Team
We provide leading providers of analysis, testing, quality assessment, and failure analysis solutions. As a recognized expert in the field of glass, we provide our customers with reliable solutions, explanations and recommendations.
Best Quality Control
In order to present the best performance, we conduct high standard tests each product between every step. It is guaranteed that our products are qualified by ISO 9001, RoHs, HF and REACH certifications.
Main Market
Our quartz products are sold well in many countries such as the United States, Germany, the United Kingdom, Canada, Japan, and South Korea.
Our company provides the following products
Sapphire Light Guide Block
Material: Sapphire
Technique: Cutting, polishing, drilling, etching, etc.
Size: Custom
MOQ: 1 pcs
|
Physical Properties |
Values |
|
Purity |
＞99.99% |
|
Density |
2.2g/cm3 |
|
Transparency |
＞90% |
|
Mohs Hardness |
5.5--6.5 |
|
Deformation Point |
1280℃ |
|
Softening Point |
1750℃ |
|
Annealing Point |
1250℃ |
|
Specific Heat (20 - 350°C) |
670J/kg.℃ |
|
Thermal Conductivity (20°C) |
1.4W/m.℃ |
|
Heat Conductivity (w/m.k,1000 ℃ ) |
1.0-1.2 |
|
Refractive Index |
1.4585 |
|
Coefficient of Thermal Expansion |
5.5*10 -7cm/cm.℃ |
|
Hot - working Temperature |
1750~2050℃ |
|
Short - term Service Temperature |
1450℃ |
|
Long - term Service Temperature |
1100℃ |
Advantages of Sapphire Material
-
High Hardness
Sapphire has a Mohs hardness of 9, second only to diamonds, which gives it excellent wear resistance and scratch resistance.
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High Transparency
Due to its high transparency and good optical properties, sapphire can be used as a material for optical components.
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Corrosion Resistance
Sapphire's chemical properties are very stable, and it can withstand various acids, bases, and high-temperature corrosion.
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High-Temperature Performance
Sapphire can withstand temperatures above 2000°C, providing good thermal stability.
Custom of Sapphire Light Guide Block
Please Tell Us What You Need
Please tell us your specific needs, send a 2D 3D design drawing, details size, or a picture.
Get Solution & Quote
We will work on the best solution according to your requirements. The specific and best quotation will be sent within 24 hours.
Mass Production & Shipping
We will start mass production after getting your approval and deposit. Then we will handle the shipping for you. We are a one-stop custom sapphire optics parts solution manufacturer. You don't need to worry about anything.
Sapphire Wafer
Material: Sapphire
Technique: Cutting, polishing, drilling, etching, etc.
Size: Custom
MOQ: 1 pcs
| Overview | |
| Chemical component | Al2O3 |
| Growing methods | Kyropoulos |
| Crystalline structure | Hexagon |
| a = b = 4.77 A | |
| c = 13.04 A | |
| Thermal energy | |
| Melting point | 2050 °C |
| Coefficient of linear expansion | 6.7 x 10-6 / °C parallel to the С axis |
| 5.0 x 10-6 / °C perpendicular to the С axis | |
| Heat conductivity coefficient | 46.06 W/(mK) (0°C) |
| Mechanical Energy | |
| Density | 3.98 g/cm3 |
| Hardness | Mohs: 9 |
| Knoop: 1900 parallel to the С axis | |
| 2200 perpendicular to the С axis | |
| Tensile strength | 400 mpa (25°C), 275 mpa (500°C), 345 mpa (1000°C) |
| Bending strength | 450 - 895 mpa |
| Compression stress | 2.0 gpa |
| Young's modulus | 345 gpa |
| Electric Supply | |
| Electric-mediated magnetic permeability | 9.3 (103 - 109 Hz, 25°C) perpendicular to the С axis |
| 11.5 (103 - 109 Hz, 25°C) parallel to the С axis | |
| Resistivity | 1016 Оhm·сm (25°C) |
| 1011 Оhm·сm (500°C) | |
| 106 Оhm·сm (1000°C) | |
| High temperature resistance | It melts only at 2050°C. chemically inert at high temperatures |
| Sturdy and durable | Scratch-resistant (all materials except diamond) |
| High pressure resistant | |
| Wear resistance | |
| Tolerate most harsh environments | Long service life, e.g. five times the length of quartz |
| High chemical purity | |
| The range of light transmittance from ultraviolet to infrared | 80~90% in 0.25 ~~ 4.50 um |
| High thermal conductivity | Provide rapid heating and cooling |
Advantages of Using Sapphire Wafers
Superior Surface Quality
Sapphire wafers can be polished to atomic-level smoothness, minimizing defects and enhancing the performance of epitaxial layers grown on them.
High Yield and Scalability
With advancements in crystal growth and wafering technologies, sapphire wafers are now available in larger diameters (up to 8 inch sapphire substrate ), supporting scalable manufacturing and high-volume production.
Biocompatibility
Due to its inert and biocompatible nature, sapphire is used in medical implants and biosensing devices.
Resistance to Radiation
Sapphire retains its optical and mechanical properties even under high radiation exposure, making it suitable for space and nuclear applications.
Applications of Sapphire Wafers
Light-Emitting Diodes (LEDs)
Sapphire wafers are commonly used as substrates in the manufacturing of gallium nitride (GaN) LEDs, especially blue and white LEDs. The lattice structure of sapphire matches well with GaN, promoting efficient light emission.
Semiconductor Devices
In addition to LEDs, sapphire wafers are used in radio-frequency (RF) devices, power electronics, and other semiconductor applications where a robust and insulating substrate is needed.
Optical Windows and Lenses
Sapphire's transparency and hardness make it an excellent material for optical windows, lenses, and camera sensor covers, often used in harsh environments such as aerospace and defense industries.
Wearables and Electronics
Sapphire is used as a durable cover material for wearables, smartphone screens, and other consumer electronics, thanks to its scratch resistance and optical clarity.
Our factory
The company covers an area of 7,500 square meters with a building area of 9,000 square meters. It has more than 100 employees. The production machines for the cold and hot processing of quartz glass are precise and complete. The processes are mature and stable. The processing technology and product quality have reached a medium to high level in the industry.
FAQ
As one of the leading saphire quartz products manufacturers and suppliers in China, we warmly welcome you to wholesale bulk saphire quartz products for sale here from our factory. Also, customized service is available.
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