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Sapphire Windows

We specialize in high-precision, cost-effective sapphire windows in a variety of shapes (round, square, drilled) and custom sizes (from ultra-thin to heavy-duty). Crafted from high-purity sapphire, our products are engineered to withstand extreme environments like high vacuum, high pressure, and strong corrosion. Ideal for viewports, optical lenses, and protective shields in precision vacuum and optoelectronic systems, we provide reliable solutions to ensure your equipment's stability and accuracy.

Size：Customized on demand

Customize：Can be customized and reverse developed according to drawings and samples.

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86-13636671978

Performance characteristics

Sapphire windows are designed to meet the demanding requirements of precision processing equipment, combining good mechanical durability, stable optical performance, and good environmental resistance. Their high hardness helps resist surface damage caused by process gas flow, fine particle abrasion, and routine cleaning. With high structural strength, they can be manufactured in ultra-thin profiles while maintaining good resistance to pressure, deformation, and cracking, making them well suited for the compact, integrated, and lightweight designs of advanced precision equipment.

High surface hardnessHigh thermal conductivity High dielectric constant High structural strength Good environmental resistance Good corrosion resistanceBroad spectral transmission rangeHigh-precision surface flatness control

Technical support

Material customization Cooperate on product designing, performance improving and cost controlling After-sale service and product performance tracking

Optional Materials

Sapphire ＞

Application Areas

Electronics

Companion's advanced ceramic materials, widely used in electronic engineering as high-temp, corrosion-resistant insulators ensuring stable operation in electronic equipment, continue to enhance its position in the field.

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Display & Lighting

Companion's advanced ceramic materials are utilized in production equipment for display and lighting, transmission systems, and processes, including LCDs and OLEDs, offering precision ceramic components in diverse specifications.

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Petrochemical

Companion is dedicated to advancing the manufacturing and application of advanced materials. It independently develops and produces industrial ceramics and chemical fillers, essential for chemical production.

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Machinery & Equipment

Companion's advanced ceramic manufacturing materials are widely used in mechanical equipment precision processing and manufacturing and can be customized to meet individual customer needs.

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Medical

With the development of the healthcare industry, the prospects for ceramic medical devices are very promising. In particular, ceramic medical devices have been widely used in orthopedics and dentistry.

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Precision Instruments

With outstanding optical performance, mechanical strength and stability, ceramic components show extensive applications in the field of optical components. They are used to manufacture key components such as high-performance lenses, prisms and filters to improve the imaging quality.

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Technical Parameters

Companion provides high-purity sapphire windows customized to your exact specifications. With flexible dimensions, tightly controlled tolerances, and bespoke options for crystal orientation and coatings, they are ideal for advanced processing and high-end optical systems.

Tip: This data is typical of laboratory tests. Actual characteristics of specific production lots may vary.

Submit your request

In order to provide you customized services, please provide a detailed description of the requirements, including the consulting business, product quantity, application fields, delivery details, and any other relevant questions or requests. We will offer a comprehensive product proposal based on your information. We look forward to collaborating with you!