Quartz Window
Quartz Window
- Custom sizes and standard sizes in stock
- Quick Lead Time
- Competitive Price
Quartz window is a high-performance ceramic component known for its outstanding optical clarity and resistance to thermal and chemical stress. Made from high-purity quartz ceramic, it can operate reliably in harsh environments such as vacuum systems, semiconductor equipment, and high-intensity light sources. Its ability to maintain transparency and structural integrity under extreme conditions makes it suitable for demanding optical and protective applications. As a leading supplier and manufacturer of premium quartz products, Shanghai Yuepeng can supply high-quality quartz windows for etching equipment with various specifications and competitive prices, offering customized solutions to meet specific requirements.
Quartz Window Data Sheet
| Color: | White – transparent |
| Shape: | Customized |
| Dimension (inch): | Customized |
| Chemical Formula: | SiO2 |
Quartz Window Description
Quartz window is a ceramic-based optical part designed to endure extreme thermal and chemical environments while maintaining excellent light transmission properties. Unlike conventional glass, quartz ceramic offers superior hardness, thermal shock resistance, and minimal distortion under high temperatures. It is commonly used in high-temperature observation ports, plasma chambers, and optical analysis systems where both durability and optical clarity are essential.
Quartz Window Features
- Excellent Thermal Stability: Withstands rapid temperature changes and high operating temperatures.
- High Optical Clarity: Transmits UV, visible, and IR light with minimal distortion.
- Chemical Resistance: Resists most acids and corrosive environments.
- Durability: Maintains structural integrity under mechanical stress and harsh environments.
- Low Thermal Expansion: Reduces the risk of cracking during temperature cycling.
Quartz Window Applications
- Optical and Laser Systems: Quartz windows are used in optical instruments and laser systems because of their high transparency across UV, visible, and IR wavelengths, allowing precise light transmission with minimal distortion.
- Semiconductor and Electronic Equipment: They serve as protective windows in semiconductor processing equipment, maintaining purity and stability under high-temperature and vacuum conditions.
- Scientific and Laboratory Instruments: Quartz windows are applied in spectrometers, furnaces, and analytical instruments to provide clear optical access while withstanding chemical exposure and thermal stress.
- Aerospace and Defense Applications: They are used in sensors, cameras, and optical detectors that operate under harsh environments, ensuring durability and clarity under extreme temperatures and pressures.
- Industrial Observation Ports: Quartz windows act as viewing ports in high-temperature furnaces, plasma reactors, and chemical chambers, allowing safe and clear observation during operation.
Optical Devices
Semiconductor Devices
Laboratory Equipment
Aerospace Manufacturing
Industrial Automation
Quartz Ceramic Material Properties
| Purity (%) | >99.8 | >99.5 |
| Density (g/cm3) | 1.9-1.95 | 1.9-1.95 |
| Flexture strength (MPa) | 28 | 28 |
| Compressive strength (MPa) | >50 | >50 |
| Bending strength (MPa) | 25 | 25 |
| Maximum working temperature (℃) | 1650 | 1650 |
| Thermal conductivity (W/m*K) | <1 | <1 |
| Thermal expansion coefficient (/℃) | 8.5*10-7 | 8.5*10-7 |
| number of use | ≥10 | ≥10 |
Quartz Ceramic Material Machining
Quartz ceramic material can be machined in its green or bisque state before sintering, making it easier to shape into complex forms. Like other ceramics, it shrinks by about 15–20% during sintering, so this must be considered in the initial design. After sintering, quartz ceramic becomes extremely hard and brittle, making machining very difficult and requiring diamond-coated tools and high-precision equipment.
Machining Methods and Considerations
- Green or Bisque Machining: Quartz ceramic is easier to cut and shape before sintering, making it suitable for intricate designs.
- Sintering Shrinkage: Expect a 15–20% size reduction during sintering, which affects dimensional accuracy.
- Post-Sintering Machining: After sintering, quartz becomes hard and brittle, requiring diamond tools and precise control.
- Fragility: Fully sintered quartz ceramic is prone to chipping or cracking if mishandled.
- Tooling and Time: Machining sintered quartz is slow and requires specialized equipment.
Quartz Ceramic Packaging
Quartz ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of the products in their original condition.
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