High-Quality AT-Cut Quartz Wafers for Research & Manufacturing
UniversityWafer supplies premium AT-cut quartz wafers for researchers, universities, semiconductor manufacturers, and companies developing precision frequency-control devices. AT-cut quartz is one of the most widely used crystal orientations because it provides excellent frequency stability near room temperature while maintaining low sensitivity to temperature changes, making it ideal for high-performance electronic components.
Our research substrates are available in multiple diameters, thicknesses, surface finishes, and custom specifications to support prototype development and production. We also provide polishing, dicing, lapping, cleaning, and custom wafer processing services to meet your project's unique requirements.
Applications of AT-Cut Quartz Wafers
The excellent piezoelectric characteristics of AT-cut quartz make it a preferred substrate for numerous scientific and industrial applications, including:
- Quartz crystal resonators
- Crystal oscillators
- Quartz crystal microbalance (QCM) sensors
- RF and microwave filters
- Precision timing devices
- Telecommunications equipment
- MEMS sensors and actuators
- Scientific instrumentation
- Frequency reference devices
- Piezoelectric research
Custom Quartz Wafer Solutions
Whether you require standard AT-cut quartz wafers or custom substrates with specific crystal orientations, thickness tolerances, polishing grades, or dimensions, UniversityWafer can help. Our technical team works closely with customers to supply quartz wafers optimized for resonator fabrication, sensor development, photonics, and next-generation electronic devices.
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What Is an AT-Cut Quartz Wafer?
An AT-cut quartz wafer is a single-crystal quartz substrate cut at approximately 35°15' (35.25°) relative to the crystal's Z-axis. This orientation is widely used because it provides exceptional frequency stability with minimal frequency variation around room temperature. The combination of excellent piezoelectric properties, low temperature coefficient, and high mechanical quality factor (Q) makes AT-cut quartz the industry standard for resonators, oscillators, and frequency-control devices.
AT-cut quartz substrates are commonly used in research laboratories and commercial manufacturing where precise timing, stable oscillation frequencies, and reliable sensor performance are essential. Their predictable electrical behavior also makes them valuable for developing next-generation MEMS devices and piezoelectric sensors.
Key Properties of AT-Cut Quartz
- Excellent frequency stability near room temperature
- Outstanding piezoelectric performance
- High mechanical quality factor (Q)
- Low temperature coefficient for stable operation
- Excellent dimensional stability
- High chemical resistance
- Low electrical loss
- Suitable for precision polishing and microfabrication
Common Applications
AT-cut quartz wafers are used across numerous scientific and industrial fields where precise frequency control and piezoelectric performance are required. Typical applications include:
- Quartz crystal oscillators
- Frequency reference devices
- Quartz crystal microbalance (QCM) sensors
- RF and microwave filters
- Telecommunications equipment
- MEMS devices
- Piezoelectric sensors
- Scientific instrumentation
- Aerospace and defense electronics
- Precision timing systems
Why Choose UniversityWafer?
UniversityWafer supplies high-quality quartz wafers and other research substrates for universities, government laboratories, and semiconductor companies worldwide. We offer custom diameters, thicknesses, crystal orientations, polishing grades, and wafer processing services to support both prototype development and high-volume research projects.