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This is a viewing port (viewport) for high vacuum applications that uses an O-ring and allows for window replacement. The window material can be easily removed from the flange, making it simple to replace or clean the window material. The window material can be selected from borosilicate glass or fused silica. Fused silica is available in four types depending on the wavelength range: - No AR coating - UV (290~370nm) - Type-A (350~700nm) - Type-B (650~1050nm) - Type-C (1050~1620nm) Additionally, we also sell the window materials separately, so it is possible to purchase only the necessary window material and install it.

Texam Co., Ltd. is a specialized trading company for hermetic feedthroughs and connectors. Our products are used for various sealing applications in pressure and vacuum vessels, and the selection is significantly influenced by the temperature and pressure of the hermetic components. For example, the selection method varies depending on the shape and temperature of the substances inside under vacuum conditions. On this page, we introduce the characteristics, temperature, pressure, applications, and more of each product, so please use it as a reference. *Currently, we are offering a "Comparison Chart of 4 Types of Products" that is helpful for selecting hermetic components!* [Products and Related Items] ■ Hermetic Feedthroughs and Connectors ■ Ground Feedthroughs ■ Hermetic Connectors for Ultra-High Vacuum ■ Current Feedthroughs and Viewing Ports *For more details, please refer to our catalog or feel free to contact us.*

This catalog features various viewing ports (viewports) that can be used in ultra-high vacuum, various current feedthroughs, ultra-high vacuum hermetic connectors using ceramic glass, connectors made of PEEK and Macor ceramic materials, Kapton coatings, crimp terminals for ultra-high vacuum, terminal blocks, Kapton tape, and other various accessories over 47 pages. 【Features】 ■ Short delivery times and low prices! ■ A wide range of window materials (Glass 7056 (borosilicate glass), fused quartz, sapphire, etc.) ■ Replaceable high vacuum viewing ports ■ Available with AR coating (fused quartz) ■ Viewing ports for a wide range of wavelengths (ZnSe, CaF2, MgF2, etc.) ■ Viewing ports for lasers (780nm/diode, 1064nm/YAG, 248nm/KrF Excimer, 193nm/ArF Excimer, etc.) ■ Thermocouple types such as K, T, E, J, C are available ■ Mounting options include ICF flanges, NW flanges, welded types, and other customizations ■ MS connector types are also available etc. * For more details, please refer to the catalog or feel free to contact us.

This is the viewing port from MPF Products, USA. We offer a variety of viewing ports tailored to different applications. 【Features】 ■ A wide range of window materials (Glass 7056 (borosilicate glass), fused quartz, sapphire, etc.) ■ Replaceable high vacuum viewing ports ■ AR coated ■ Viewing ports for a wide range of wavelengths (ZnSe, CaF2, MgF2, etc.) ■ Viewing ports for lasers (780nm/diode, 1064nm/YAG, 248nm/KrF Excimer, 193nm/ArF Excimer, etc.) *For more details, please refer to the catalog or feel free to contact us.

This is a cost-effective glass viewing port. ■ Uses Corning's Glass 7056 (borosilicate glass for Kovar sealing) ■ Utilizes the latest glass-metal joining technology. ■ The housing can be selected from ICF or NW flanges (vacuum levels and heat resistance temperatures vary).