300mm Silicon Wafers CZ and FZ in Stock

university wafer substrates

300mm Silicon Wafers all Grades, Orientations, Types and Thicknesses

300mm silicon wafers are still the best option for making computer chips and solar cells. They offer the highest productivity and lowest cost per watt.

300mm Silicon Wafers for Training Robots

A Scientist Requested the following quote:

We are looking to purchase 50 wafers, 300mm (for a training center). They will not be "processed", but will be used for robot handling training. Is this something you sell?

UniversityWafer, Inc. supplied:

300mm Silicon Wafer, P/Type/Mechanical Grade

Unit price: $ each Please contact us for pricing.


UniversityWafer, Inc's 300mm silicon wafers have a thickness tolerance of +/- 0.1 micron, resistivity of 1-5 ohm-cm, and orientation accuracy of +/- 2 degrees. We also offer 100% inspection to ensure that you get the perfect substrate for your needs.

We have a large selection of 12 inch silicon wafers. We have all the grades including: Buy Online!

Get Your 300mm Silicon Wafer Quote FAST! Buy Online and Start Researching Today!


300mm Silicon Substrates

We have access to a large selection of 300mm wafer of various specs, grades and quantity.

Please send us the specs you would like us to quote you!

What is the Weight of 300mm Silicon Wafers?

The weight of a 300mm silicon wafer can vary depending on its thickness and other factors. However, as a rough estimate, a 300mm silicon wafer with a thickness of 775 micrometers (0.775mm) has a weight of approximately 840 grams or 1.85 pounds.

A FOSB (Front Opening Shipping Box) is a container used for transporting and storing wafers in the semiconductor industry. The number "25" in a FOSB weight refers to the maximum weight capacity of the container.

Specifically, a FOSB with "25" in its weight code can hold up to 25 kilograms (55 pounds) of wafers. However, the actual weight of the FOSB itself (without the wafers) can vary depending on the type of FOSB and its construction materials.

300mm mechanical grade silicon wafers

We have the following 300mm Silicon Wafer Special.

Diameter: 300+/-0.2mm
Growth Method: CZ
Type/Dopant: P/Boron
Orientation: <100>+/-1°
Notch Orientation: <110>+/-1°
Resistivity: 1-100ohm/cm
Thickness: >700um
TTV: <=10um
BOW/WARP: <=40um
Surface: DSP
LPD: <=50ea@>=0.2um

Lead-time: Immediate Shipment ARO
COA available with each shipment

What is 300mm in Inches?

300mm wafers are often reffered to 12 inches. In fact the exact conversion is 11.811023622 inches!

Watch https://www.youtube.com/embed/uTb06c6LP7Y


What is a 300mm Silicon Wafer?

What is a 300mm silicon wafer? The size was chosen as a compromise between size and productivity. The industry consortia selected the size in 1995. Major Si manufacturers then began investing millions in costly pilot lines and development of new technologies. In the last decade, the industry has moved from wafers of one inch to three-inch silicon.

300mm silicon wafers are large wafers made from silicon that are used in the production of microelectronic devices, such as transistors and integrated circuits (ICs). The diameter of a 300mm wafer is approximately 12 inches (300mm), which is about twice the size of a traditional 200mm wafer.

One of the main advantages of using 300mm wafers is that they allow for the production of more devices per wafer, which can lead to significant cost savings. They also have a larger surface area, which allows for more complex device structures and the integration of more devices on a single wafer.

300mm wafers are made using advanced microfabrication techniques, such as photolithography and etching, and they require specialized equipment and processes for their production. They are a critical component in the production of microelectronic devices and are an important part of the global electronics supply chain.

Why Use 300mm Silicon Wafers?

Today, the diameter of a silicon wafer is measured in millimeters, not inches. In this sense, the 300mm wafer is a big improvement over the one-inch wafer. The increased size of the silicon wafer is expected to reduce the cost of high-volume chip fabrication by 30%. The size is also important for chip manufacturing. The size of a wafer is an important factor in chip production, and a small change in the size of a wafer can result in a huge increase in yield per wafer.

The 300mm wafer has higher yield per wafer than the previous large diameter silicon sags. The size of a wafer is measured in millimeters because the diameter of a 300mm silicon sag is bigger than the one of a 450mm silicon sag. Nevertheless, the production of these 'large' wafers requires higher control factors, so the yield of each silicon sag is higher.

The largest silicon wafers are the 450mm and the 300mm. The sizing of the silicon wafers depends on the number of layers. The smaller a sag is, the larger the wafer. The thickness of the silicon sag is the same as that of the previous large-diameter ones. The 300mm wafers are thinner than the previous one.

The size of a 300mm silicon sag is one-tenth inch and a half inch. Hence, a 300mm wafer is larger than a 450mm sag. The two sizes are different by approximately two centimeters. A sag is smaller than a millimeter. It is larger than a millimeter. This difference, however, is not significant for most sags.

Intel is planning to produce a 300mm sag wafer based on a 0.13 micron process and copper metallization. The fab will be built in Oregon and is projected to cost $1 billion over several years. The fab will be used to develop new technologies and improve existing manufacturing processes. In addition, the size of the sag silicon wafer will be reduced by a factor of two.

The diameter of a 300mm silicon wafer is a major difference between an 8-inch and a 450-inch wafer. The latter is bigger than the former, which is a reason why it is easier to manufacture semiconductor devices. This new standard is more efficient than the previous large-diameter wafers. This size is a sag, which means that the sag is thinner.

The size of a 300mm silicon wafer has increased over the past several years. In the past, wafers of this size were made from 1 inch. However, today, the industry is moving to 450mm and other sizes. This is because the industry needs the greater control factors and yield per 300mm silicon. And if you want to buy a 300mm silicon sag, you will have more options.

The size of a 300mm silicon wafer is referred to as a 'large' wafer. A 200mm silicon is called a small wafer. A 300mm one is a large-sized one. The size of a 400mm silicone is a'small'. It is a square. A 'large' wafer is an eight-inch-wide one. A 450mm wafer is larger than a 300mm.

Silicon wafers of 300mm are used in many applications. They are also used in manufacturing high-power LEDs and energy-harvesting devices. In fact, the more precise the measurements, the more accurate the finished product. And the smaller the size of a silicon sag, the more expensive it is. But the size of a semiconductor wafer is an important parameter in the manufacturing of a semiconductor. In addition, a larger size also means that it can hold more dies. And the larger a wafer is, the more chips it can produce.

What is a 300mm wafer?

Suppliers of DRAM and NAND flash memory use 300mm silicon wafers to maximize yields. The largest pure-play foundries use this size to manufacture the highest-value ICs. In contrast, 200mm silicon-based wafers are mostly used for microcontrollers and analog/mixed-signal ICs. This makes the 300mm silicon-based wafers highly desirable for the semiconductor industry.

To make 300mm silicon-based chips, Aledia first developed its technology on 200mm silicon-based wafers. The company plans to produce chips on 300mm silicon-based wafers to further increase productivity. This is the next big step in IC manufacturing because larger silicon-based devices are more efficient and can be integrated with smaller-node electronics. In 2012, Aledia spun out of CEA-Leti. Today, Aledia has 197 patent families protecting its technology. This makes it the top-ranked French startup in terms of number of patents filed.

Before 2008, a larger 200mm silicon-based wafer was widely used in IC manufacturing. However, since that time, a larger 300mm silicon-based chip has become the mainstay of IC fabrication. In addition to the cost-effectiveness, a bigger wafer also allows manufacturers to integrate more electronics into a single chip, increasing productivity. And the size of a single 300mm silicon-based chip is still smaller than a one-inch wafer.

Inseto is the leading supplier of 300mm silicon wafers. The thickness, resistivity, and orientation of the silicon-based wafers are the most important factors for semiconductor fabricators. Its high dimensional and thickness tolerances make it an ideal substrate for research and tool qualification. Inseto wafers are also biocompatible and widely used by leading semiconductor device manufacturers. And despite their size, these 300mm wafers are extremely versatile and durable.

UnviersityWafer, Inc. silicon wafers are available in a variety of shapes, ranging from 25mm to 300mmm. They are available in various resistivity, orientation, and thickness, and are ideal for research, tool qualification, and product development. These wafers are also biocompatible and are used by leading semiconductor device manufacturers. Its new wafers will deliver improved thermal and power management and will be a significant boon for the industry.

Before 2008, more ICs were produced on 200mm silicon wafers. In comparison, the 300mm silicon-based ICs are used in more ICs. The 200mm silicon-based ICs were fabricated before, but before the advent of the 300mm, most IC fabrication was performed on 300mm silicon-based wafers. The largest companies using these wafers are the ones supplying them to the semiconductor industry.

Aledia is one of the few startups making the transition to 300mm silicon-based chips. While it was initially developed on 200mm wafers, it is now manufacturing its chips on 300mm. The larger silicon-based chips are more productive and can support a larger volume of smart-phones. Unlike a twelve-inch-wide wafer, a $300mm-sized silicon-based IC isn't going to be as large as a 12 inch-wide IC.

In the U.S., 300mm silicon-based chips were first introduced in 1980. A few years later, a few companies began manufacturing their own wafers. The biggest manufacturers include companies like MEMC/SunEdison and El-Cat. The silicon-based chips have become indispensable to our lives. But why do they need such large-scale silicon wafers? The answer lies in the size of the devices.

The 300mm silicon-based chips are not as large as the 12inch wafers, but they are still significantly larger. For example, the thickness of a 300mm silicon-based chip is 775mm, while a twelve-inch alumina-based chip requires a 12 inch-sized alumina-based silicon wafer. Consequently, a 300mm-sized wafer is more productive than a 12-inch-sized one.

The 300mm silicon-based chips are used in CPU processors. This size allows more space for the chip to be built. The size of the ICs is the most important component. The 300mm silicon-based chips are also known as the "breadcrumbs" of the semiconductor industry. There are a number of different sizes of CMOS wafers and other components used in these chips. The most common wafer size is 600mm.

The 300mm silicon-based chips are the basis for integrated circuits. Their dimensions and quality must be controlled to make sure the process is successful. The resulting chip will be flat and free of defects, allowing the manufacturers to create a quality microLED display. Hence, it is essential to keep the dimensions of a CMOS-based chip in mind. A thicker silicon-based CMOS wafer is more expensive than a thin one.

How Thick is a 300mm Silicon Wafer?

A semiconductor is not complete without a silicon wafer. The diameter of a 300mm silicon-based wafer is about 775 microns thick. The thickness of the silicon is important in preventing breakage. It also affects defects kinetic properties during device processing. The thickness of the wafer is critical for economic feasibility and device yield. The diameter is also important for back-thinning, which is an important process for failure analysis.

The geometrical thickness of a 300mm silicon wafer is typically a few hundred micrometers, and the range of ambiguity is typically six millimeters. The thickness is measured by determining the differences between the front and back surfaces and using a second-order curve-fitting routine to determine the peak position. This technique is commonly used to determine the thickness of silicon wafers that are over 8 inches (20 m) in diameter.

The 300mm silicon wafer is available in prime grade, with a thickness of 775 nm and 15 nm. The thickness of a 300mm silicon wafer is also a crucial factor for yield per wafer. It is better than previous large-diameter silicon flakes. If you need to use a semiconductor wafer, you will need to make sure that the thickness is within the range of 775 nm.

What Are 300 mm Wafers Used For?

The semiconductor industry is moving toward larger 300 mm wafers for a variety of reasons. For one thing, the increased size of the silicon allows for more chips per wafer. This is important because Moore's Law predicts that chip production costs will drop by 20% every two years. This means that there is a larger number of transistors per wafer, which means that the cost per chip will be reduced.

As a result, IC production capacity is being shifted from 200mm to 300mm. The number of these fabs is less than half that of their 200mm counterparts. This is because 300mm wafers are more top-heavy and require fewer processing steps, but the cost of the process is lower. Nevertheless, 300mm fabs will remain profitable for a few more years, especially for specialty memory and image sensors.

The cost of a new 300mm fab is expected to rise to $10 billion, and the equipment required is complex. While the actual cost of the fab is low, the high-quality components can be extremely expensive, which is why Intel has accelerated its development of the technology. As a result, the company is using this technology in production. This will reduce the cost of manufacturing high-volume chips.

We can deposit the following onto our 300mm silicon wafers including:

  • Thermal oxide, wet and dry on 300mm silicon wafers
  • Nitride on 300mm silicon wafers
  • Metals on 300mm silicon wafers

We can sell as few as one 300mm silicon wafer. Please fill out the form and let us know what specs and quantity we can quote for you.

Compared to other silicon wafer suppliers, UniversityWafer, Inc's silicon wafer prices are arguably the best found online.

300mm silicon wafers have a higher yield per wafer than pervious large diameter silicon wafers. Thus increasing the amount of wafer chips that can be produced on one wafer die. The next diameter on the market are 450mm.

Our 300mm silicon wafers properties include n-type and p-type and undoped. Our 300mm silicon wafer orientation include (100) and (111).

UniversityWafer, Inc's silicon wafer manufacturing process can 300mm silicon wafers to very thin thicknesses both single and double side polished for all your wafer electronics research.

Please send us the specs and quantity you would like us to quote.

Float Zone (FZ) 300mm Silicon Wafers

We have a large supply of undoped 12 inch silicon.

300mm >750ohm/cm 775+/-25um, DSP, Undoped, FZ

Pleas let us know if you can use or if you need another spec?

300mm Silicon Wafers for Testing Equipment and or reclaiming.

Backgrinding 300mm Silicon Wafers

Researcher asked the following:

We would like to backgrind/polish 12" wafers from the regular thickness (750um) down to about 300um. Our current backside roughness requirement is Ra=9nm, Rz=65nm. This is equivalent to Polygrind. It would be a plus, but not a requirement to achieve similar roughness. Is that a service that you provide? If so, please quote for 2, 10 and 25 wafer batches. If you do not provide this service, do you happen to know who might provide this?

UniversityWafer, Inc replied:

This would be equivalent to our #4000 grit which is 100 Angstroms or 10nm. This leaves the finest of grind marks that cannily be seen under high-intensity light. 


Very good. That was quick! We would supply the wafers. What method is used to ship wafers back: as they are thinned, they will be more fragile. Maybe this is what the return horizontal jar is about?

Do you have experience shipping thinned down wafers to that thickness?

UniversityWafer, Inc.

Yes, that container lays the wafer flat, separated by tyvek paper and cushioned in closed cell foam. We’ve shipped back 300mm wafers as thin as 100um using this method with no issues. 

Specs quoted:

12" 300+/-10um Ra <9nm Rz <65nm Grinding/Polish

How Many Chips Does a 300mm Wafer Have?

The number of chips that can be obtained from a 300mm wafer depends on the size of the chips and the layout of the die on the wafer. A die is a single unit of an integrated circuit that is cut or "sliced" from a wafer.

As a rough estimate, a 300mm wafer with a diameter of about 12 inches can typically yield around 300-400 chips, depending on the size of the die and the amount of space between them. However, this number can vary significantly depending on the specific layout and design of the die, as well as the thickness and other properties of the wafer.

To obtain a more accurate estimate of the number of chips that can be obtained from a 300mm wafer, it is necessary to consider the specific layout and design of the die, as well as the wafer's thickness, resistivity, and other properties.