Single Crystal Quartz Wafers for Research/Production

university wafer substrates

How We Help Researchers With Their Quartz Needs

A Ph.d Candidate requested the following:

I want to order 50 units of Borofloat 33 glass (ID: 517) and 25 units of
single crystal quartz (ID: 1210).

My application is:

  1. For Borofloat 33 glass, it will be mainly used for anodic bonding with silicon wafers.
  2. For quartz, it will be used to fabricate nanochannels using
    sacrificial layer etching method. If you think the two
    kinds of wafers are good, please send me a quote ASAP. If
    you have anything else in mind, please let me know.

Please reference #209714 for our specs and pricing.

Get Your Single Crystal Quartz Quote FAST! Or Buy online and start researching today!


Seeded and Seedless Quartz Single Side and Double Side Polished in Stock

Please let us know which quartz wafers we can quote for you!?

seeded and seedless single crystal quartz

What are Single Crystal Quartz Wafers Used for?

We have a large selection of single crystal quartz in stock. Below is just a short inventory list. If you need fused silica let us know!

single crystal quartz windows

What Are All the Single Crystal Quartz Cuts Available?

If you're just getting started with single crystal quartz, you may be wondering what are the various cuts you can buy. There are Y, ST, AT, and Z-cuts to choose from. Scroll down!


A quartz crystal is a valuable source of material for electronic devices and medical instruments. It has excellent electrical, optical and thermal properties. These properties make it ideal for many applications.

Quartz is a useful resonator because of its high Q and its low thermal expansion. The quartz crystal has a wide range of uses in frequency control, microwave circuits and telecommunication.

Various cuts are used for producing quartz crystals. Several of the more common cuts are the AT cut, the ST cut and the BT cut. Each of these cuts produces seeds at various locations within the crystal. However, the AT cut is the most commonly used.

The present invention relates to a method for producing a quartz crystal by orienting its seed body. This method increases the autoclave capacity for growing crystals. Also, it eliminates the need to produce separate crystal bars. Furthermore, it reduces waste.

The method comprises of the following steps. First, a sample bar is cut to a predetermined size. Next, a quartz twinning process begins. After this, quartz is etched in ammonium biflouride. Once a quartz crystal twinning has been completed, the quartz is finished to the desired size.

The quartz twinning process can continue with the addition of a mask. Afterwards, the quartz is ettched in ammonium biflouride and the etching channels are removed. Finally, the quartz is polished.

For each production crystal bar, up to three usable seed bodies are produced. Although the growth rate of each crystal is not the same, the average growth rate is generally higher.

The ST-cut oriented seed body is less tapered than the r-face seed body. Therefore, the ST-cut seed body is easier to run in an autoclave.


Single crystal quartz is a material that can be used for a variety of applications. It is often used in the medical field, and in electronics, particularly in optical components. In addition, it has excellent thermal stability.

Quartz is also used in ultra-high speed fibers. The material is especially useful in biosensors, and in vapor deposition metals.

One of the main uses for this material is in the medical field, where it can be used in surgical equipment, ultrasound systems, and medical imaging. Quartz is also an ideal substrate for high-precision optical components.

Quartz has a unique set of properties, which are important for many different applications. These include its good thermal stability, electrical conductivity, and translucency. However, it also displays highly anisotropic properties. This is mainly due to the fact that the elastic and anelastic constants vary with respect to each other.

A key step in manufacturing single crystal quartz is the etching process. This is done using ammonium biflouride. After this, the material is cleaned and polished. Once the quartz is ready for use, it is tested to ensure that it does not have any electrical twinning.

One of the most popular uses of quartz is as a window. Quartz windows have a very high refractive index, which allows them to be used in Fourier spectroscopy. They are also used in radioastronomy, where the quartz is able to align the optical axis with a flat surface.

Another important aspect of quartz is its low thermal expansion. This means that it is an ideal substrate for optical and microwave circuits. Also, it is a perfect material for infrared sensors.

Although quartz is commonly used in the semiconductor industry, it is also used in the optical field, where it is used for lasers, infrared sensors, and other applications. Quartz also has good mechanical properties.


AT-cut quartz cuts are used in a wide variety of applications, from microwave filters to oscillators. The high temperature coefficient of the quartz crystal makes it suitable for use in a microwave environment. They have also been used in a range of filtering, and measurement applications. In addition, they are brittle, which makes them highly useful in structural analysis.

At-cuts are manufactured in a range of frequencies, from one MHz to 250 MHz. Because of their temperature-compensated nature, they are less sensitive to temperature gradients. As a result, they are better suited for precision oscillator applications.

There are several types of AT-cut quartz crystals, and each type has its own advantages and disadvantages. Generally, AT-cuts are used in frequency-control applications, where they serve as reference clocks. However, they are also used in oscillators and in OCXOs. Several newer types have been developed.

When selecting a type of AT-cut, you must consider the geometric parameters of the resonator. It is important to determine the optimal angles for each resonator cut. Using Bragg x-ray diffraction, these angles are determined to ensure that the crystal will not propagate defects.

Other characteristics include the temperature coefficient, which is affected by the power supply voltage. Additionally, the resistance of the crystal takes a smaller value at the frequency of the principal vibration. This means that the higher the frequency, the thinner the crystal is, so you may want to choose a crystal with a lower fundamental frequency.

One disadvantage of AT-cuts is that they are sensitive to stresses caused by external forces. These forces can affect the performance of the crystal, but the effect is mitigated by using a second carrier. This can increase the bandwidth of the device.


The Y-cut of single crystal quartz is one of the most common forms of X-cut. It is usually etched in ammonium biflouride.

Y-cut quartz has a thickness that is equal to the x-axis and perpendicular to the z-axis. In addition, it is also flat. This characteristic makes it a good choice for high-frequency devices.

Aside from its ability to transmit energy, quartz is also known for its high purity and stability. These properties make it a good choice for resonators. Moreover, quartz is relatively cheap. For this reason, it has found widespread use in mobile telecommunications.

Single crystal quartz is also a great reference material for MW measurements. However, it is important to note that the quality of the MW measurements depends on the type of quartz. Usually, the best THz measurements are made on samples between two and five millimeters.

To measure the optical parameters, a polarized beam is used. The beam travels along the axis of the crystal and reaches each site. Each site is counted for the total amount of inclusions within its size category. Overall inclusion densities are calculated by averaging the data from all sampled bars.

Y-cut quartz is generally more expensive than X-cut. Besides, it is less flexible. On the other hand, X-cut has a temperature coefficient that is slightly higher than Y-cut. Nevertheless, Y-cut is more dense.

Y-cut quartz is also better for low-frequency applications. Compared to X-cut, it has a much lower temperature.

Y-cut quartz is a good option for jewelry. Besides, the stone has a maximum deviation of 75 deg C. As a result, it has better durability. Among the three types of X-cut, the Y-cut quartz is the most commonly used.

Synthetically grown

Quartz is a versatile material, and has several unique properties. It is a very important element in electronics, telecommunications, optical fibers, medical devices, and many other applications. It is also an ideal substrate for high-precision optical components.

During the past decade, quartz processing has improved. There are a number of ways to produce single crystal quartz. One method is to cut a piece of quartz into thin slices. Another method is to grow a single crystal from a seed crystal. This type of process is known as hydrothermal growth.

Some prior art efforts have grown quartz bars from seeds that are perpendicular to a minor rhombohedral face. These efforts have produced a lot of waste.

Besides these methods, the present invention relates to synthetically grown single crystals. Quartz crystals are a great choice for semiconductors, lasers, and optical components. They have excellent mechanical and electrical characteristics. Their translucency is particularly beneficial in telecommunications and medical equipment.

In order to manufacture quartz crystals, the following steps are required. First, the surface layer of the quartz is etched. This is a very important step in producing quartz. The etching process takes about 6-8 weeks and costs several thousand dollars. Afterwards, the etched slice is analyzed by a microscope.

Next, a special seed is chosen to grow the single crystal. This seed will determine whether the quartz is left-handed or right-handed. A right-handed crystal is more desirable for faceting.

Once the quartz is produced, it is etched with ammonium biflouride. The ammonium biflouride determines the electrical properties of the quartz.

Finally, the quartz is cooled to the Curie point. When the cooling process is completed, twins will form. Since quartz is an amorphous material, it is very susceptible to thermal shock.