300mm Sapphire Wafers for University Students

university wafer substrates

300mm Sapphire Substrate

A Process Development Engineer requested a quote for the following:

Could you please let me know if you have sapphire wafer with the following properties? Outer Diameter: 300mm Thickness: Above 1.2 mm Cut - C-plane (0001), DSP If you have this wafer or you can manufacture, could you please provide the quote? I would like to purchase a few hundred for now and if they meet our requirements, will order thousands in future.

Reference # for specs and pricing.

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Diameter: 300 ± 0.2 mm
Thickness: 4.0 +/- 0.1 mm
Orientation: Random
Surface finish:
1 side lapped
2 side lapped
Material: Optical quality, 20 mm edge area -
mechanical quality
Bubbles up to 500 um are allowed (max 5 pcs)
Small protective chamfer


What are 300mm Sapphire Substrates Used For?

300mm sapphire substrates are used in various high-technology applications due to their outstanding physical, chemical, and electronic properties. Here are some of the primary uses:

  1. LED Manufacturing : Sapphire substrates are widely used in the production of light-emitting diodes (LEDs). When it comes to being see-through to visible light and taking the heat, sapphire substrates steal the show. This makes them perfect for blue and white LEDs - a common sight in various lighting systems and fancy display tech we come across every day.

  2. Semiconductor Devies: Delving into the world of semiconductors, we can't help but appreciate their 300mm transparent sapphire wafer, surrounded by advanced fabrication equipment. This visualizes the application of sapphire substrates in high-technology environmentsintegral role in our tech-filled lives. From your phone to your computer, these small yet powerful devices are at work. But what's behind them? Let's get a bit technical here.

    These marvels start their life as a substrate made from sapphire—a pretty fancy birthplace if you ask me! Once this base is prepared, it serves as the breeding ground for other semiconductor materials like Gallium Nitride (GaN) and Silicon Sarbide (SiC). It might seem complex—and truthfully it is—but understanding this process can give us more appreciation for our everyday gadgets.

    Remember that thrilling moment when a movie perfectly captures how you visualized the book? That’s similar to creating semiconductor devices—each detail meticulously crafted on top of its sapphire base just like each scene brought alive from text to screen. There's artistry in technology too!

    So next time when you're texting or scrolling through social media remember—the device making it all possible started with something as beautiful and durable as a gemstone. Isn’t that fascinating? : Sapphire, you know, plays a big role in the world of semiconductors. It's like the foundation for growing some serious stuff - we're talking about materials such as gallium nitride (GaN) and silicon carbide (SiC). These aren't your everyday elements; they have crucial roles in power electronics and radio frequency devices. So next time you hop into an electric vehicle or use renewable energy sources, remember it’s thanks to Sapphire laying down that base! The significance of these compounds, fundamental to the fabrication of power electronics and radio frequency units, becomes evident when considering their critical role in powering sustainable energy solutions, driving electric vehicles forward, and bolstering our telecommunication systems - next time you're topping up your EV or swiping through your phone apps remember there's likely a touch of sapphire at play!

  3. Integrated Circuits : Sapphire's insulating properties make it suitable for silicon-on-sapphire (SOS) integrated circuits. In the high-stakes worlds of aerospace and military tech, where top-notch performance meets a dire need for energy efficiency and radiation resilience, silicon-on-sapphire circuits truly come into their own - delivering blazing speeds without compromising on durability or power consumption.

  4. Optical Applications : Due to its excellent optical properties, sapphire substrates can be used in the manufacturing of optical windows, lenses, and other components that require high durability, scratch resistance, and transparency in the ultraviolet to infrared light range.

  5. Research and Development : In the vast realm of scientific investigation, sapphire substrates emerge as essential tools - akin to a scientist's sketchpad for executing epitaxial growth trials and forging ahead in creating novel electronic and optoelectronic devices; essentially, these seemingly complex bits are steering us towards an exciting tech-forward future.

In a fascinating shift, the industry is pivoting towards embracing larger substrate dimensions - 300mm sapphire substrates are leading this charge. Why? Well, these behemoths can accommodate more devices which translates to increased production capacity in one go, enhancing efficiency and slashing manufacturing costs when produced en masse - quite the game changer! Going bigger with these sapphire substrates? It's like a win-win. Why, you ask? Well, we can crank out more devices on one substrate - that's efficiency right there. Plus, when we're talking about producing at scale, costs take a nosedive. So yeah, scaling up isn't just about size—it’s smart business too. But producing these bigger sapphire substrates isn't a walk in the park. It comes with its fair share of technical hurdles. One big issue? Keeping up the crystal quality and uniformity across this larger surface area - that's no easy task! However, manufacturers aren't backing down from this challenge. They've been steadily tackling these problems to meet the ever-increasing demand for more devices on a single substrate, like it's just another day at work.