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Industrial - Specialty Materials
Saint-Gobain Crystals develops detection solutions for a variety of industrial applications, including process analysis, X-ray analysis and garnet substrates for epitaxy . Solutions are custom engineered to meet critical operation and performance requirements for applications that include:
Industrial Sapphire material is used in many manufacturing applications. Sapphire is produced in sheets, tubes, pins & rod forms for a variety of uses. Its optical, electrical, chemical, mechanical, and nuclear properties make it a superior choice over quartz, alumina and other ceramic materials ideal for hundreds of applications. Frequently it is the combination of two or more properties that make sapphire the only material available to solve complex engineering design problems. Synthetic sapphire products can commonly be found in semiconductor wafer processing, industrial systems/tools, and even in medical applications.
Applications
- HPD CVD
- PECVD
- Dry Etch
- Wet Etch
Products
- Plasma containment tubes
- >330mm large components
- Viewports
- End effectors
- Lift pins
- Edge rings
- Shower heads
- E-chucks
Sapphire's extremely high fluorine plasma resistance AND lower particle generation make an excellent choice for semiconductor manufacturing equipment.
Advantages
- Increased productivity
- Increased throughput
- Less maintenance due to reduced equipment downtime
- Reduced part inventory levels
Mechanical Behavior - Sapphire has superior mechanical properties compared to quartz
Corrosion Resistance - Sapphire provides high resistance to HR and F plasma
Single crystal structure (lack of grain boundaries) and high chemical stability result in high corrosion resistance.
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Sapphire can support products ranging from plasma applicator tubes and plasma injector nozzles to RF transparent waveguide barriers. Sapphire tubes, rods and windows are available in a variety of shapes and sizes available that can be used for microwave applications; from the heating of food products, and plasma generation, to radome systems.
Due to sapphire’s RF transparency, thermal conductivity, and high-temperature resistance, it is the ideal material of choice for products that require resistance to radiation damage in high power microwave applications.
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Sapphire for Excimer Laser Applications and Products
Excimer Laser technology is used in photolithography, pulse laser deposition, laser ablation, eye surgery and in dye laser applications. Sapphire’s thermal conductivity and electrical insulator properties make it the ideal material in use as pre-ionizer corona tubes. Replacing alumina corona tubes with sapphire tubes will increase productivity and lower cost of operation.
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Optical Isolator Wafers
GGG, SGGG and NGG are used to grow semiconductor crystal layers. This process is called Epitaxy and is used in nanotechnology and in semiconductor fabrication.
Garnets substrates are used as substrates for liquid epitaxy. The lattice parameter of our crystals is well controlled and the surface polishing finishing is of the highest quality allowing a perfect epitaxy
We can offer crystals with a large variety of composition with a very homogeneous and well controlled lattice parameter in large diameters up to 4’’. Crystals of large dimensions are also available for specific applications like cryogenic ones.
We have a large industrial capacity available and we can provide unique pieces as well as thousands of wafers.
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X-Ray Elemental Analysis
The spectral analysis of X-rays emitted by a sample after irradiation is both a powerful qualitative and quantitative analytical technique. It is based on the following phenomenon: an atom relaxes after excitation by emitting X-ray radiations at specific wavelengths, which reveal the identity of the emitting species.
A monochromator is an optical device that transmits a mechanically selectable narrow band of wavelengths of light or other radiation chosen from a wider range of wavelengths available at the input.
Monochromators are used in many optical measuring instruments and in other applications where tunable monochromatic light is wanted.
The curved crystals are used in instruments such as microprobes, scanning electron microscopes, Synchrotrons, XFEL, Plasma Physics.
Saint-Gobain offers a wide range of X-Ray Monochromator Crystals; LiF, Quartz or SiO2, InSb, Si, Ge, PET, ADP, Beryl, TlAP, RbAP, KAP, CsAP
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