CF80 Vacuum Viewing Window (High-Temperature-Resistant Model)
Category： CF observation window
This product is a core observation component for ultra-high-temperature, ultra-high-vacuum systems, featuring 720°C extreme-temperature-resistant materials and CF80-standard flanges. It delivers an ultra-high vacuum seal of 1×10⁻⁸ Pa and is compatible with an extreme temperature range from −70°C to 700°C. With its high light transmittance and high-definition imaging capabilities, it is well-suited for a wide range of high-temperature vacuum furnaces and semiconductor sintering/annealing equipment, providing a reliable solution for visual monitoring under extreme operating conditions.
Overview
Technical Specifications
This product is the CF80 vacuum viewing window (high-temperature resistant version), featuring high-temperature-resistant materials and a CF80 standard interface. It is specifically designed for high-temperature vacuum applications, enabling observation and monitoring of operating conditions inside vacuum systems while offering excellent high-temperature resistance, compatibility with high-vacuum environments, and superior light transmittance.
Key features:
1. High-temperature-resistant core design for high-temperature applications: Crafted from specialized high-temperature-resistant materials, this product maintains stable performance in high-temperature vacuum environments, exhibiting excellent durability and dimensional stability over long-term use.
2. CF80 standard interface with strong compatibility: Compliant with international vacuum flange standards, it can be directly connected to various CF80 valves, chambers, and other components, offering convenient installation without the need for additional adapters.
3. High-transmittance viewing window for clear observation: The window is made of a high-transmittance, high-temperature-resistant material, offering excellent light transmission and unobstructed visibility, enabling clear monitoring of the internal operating conditions of the vacuum system with no visual distortion.
4. High-vacuum sealing with stable performance: CF flange metal sealing delivers an extremely low leak rate, making it ideal for high-vacuum environments; the robust design ensures reliable sealing performance.
5. Corrosion and temperature resistance, easy maintenance: The material boasts both high-temperature and corrosion resistance, with a smooth surface that is easy to clean, ensuring long-term stability and convenient maintenance.
6. Compact design with broad compatibility: Small footprint, suitable for a wide range of compact high-temperature vacuum systems; flexible installation and adaptable to various high-temperature vacuum applications.
Scope of Application
1. High-temperature vacuum system: components for in-situ observation of internal operating conditions, such as high-temperature vacuum chambers and high-temperature reactors.
2. Precision high-temperature experimental equipment: observation windows for high-temperature laboratory apparatus and high-temperature simulation equipment.
3. Industrial high-temperature vacuum equipment: observation components for high-temperature vacuum smelting and high-temperature vacuum testing equipment.
4. High-temperature research equipment: monitoring windows for operating conditions such as high-temperature vacuum experiments and high-temperature simulation chambers.
5. High-vacuum, high-temperature applications: Observation components for various vacuum systems that require resistance to high temperatures and high vacuum.
| High-Altitude Vacuum Observation Window | |||||||||
| Model | A/mm | B/mm | D/mm | H/mm | n-φd/mm | Materials | Temperature | Degree of vacuum | Positive pressure |
| CF16 High-Temperature Vacuum Viewing Window | 34 (1.33") | 27 | 14 | 8 | 6-φ4.3 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF20 High-Temperature Vacuum Viewing Window | 54 (2.12") | 41.3 | 14 | 10.5 | 6-φ6.6 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF25m High-Temperature Vacuum Viewing Window | 54 (2.12") | 41.3 | 22 | 11.5 | 4-φ6.8 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF25 High-Temperature Vacuum Viewing Window | 54 (2.12") | 43 | 22 | 11 | 6-φ6.6 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF25b High-Temperature Vacuum Viewing Window | 60 (2.36") | 47 | 22 | 10.5 | 6-φ6.6 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF32 High-Temperature Vacuum Viewing Window | 70 (2.75") | 54 | 22 | 12 | 6-φ6.6 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF35 High-Temperature Vacuum Viewing Window | 70 (2.75") | 58.7 | 34 | 16.5 | 6-φ6.6 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF40 High-Temperature Vacuum Viewing Window | 70 (2.75") | 58.7 | 34 | 13 | 6-φ6.6 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF50 High-Temperature Vacuum Viewing Window | 86 (3.38") | 72.4 | 47 | 18 | 8-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF63 High-Temperature Vacuum Viewing Window | 114 (4.50") | 92.2 | 64 | 20 | 8-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF75 High-Temperature Vacuum Viewing Window | 117.4 (4.62") | 102.3 | 64 | 17.5 | 10-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF80 High-Temperature Vacuum Viewing Window | 130 (5.12") | 110 | 82 | 20 | 16-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF100 High-Temperature Vacuum Viewing Window | 152 (6.00") | 130.3 | 104 | 20 | 16-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF125 High-Temperature Vacuum Viewing Window | 171.5 (6.75") | 151.6 | 104 | 21 | 18-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF150 High-Temperature Vacuum Viewing Window | 202 (8.00") | 181 | 155 | 22 | 20-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF160 High-Temperature Vacuum Viewing Window | 203.2 (8.00") | 181 | 155 | 21 | 20-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF200 High-Temperature Vacuum Viewing Window | 253 (10.00") | 231.8 | 190 | 27 | 24-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF250 High-Temperature Vacuum Viewing Window | 305 (12.00") | 284 | 155 | 26 | 32-φ8.4 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF275 High-Temperature Vacuum Viewing Window | 336.6 (13.25") | 306.3 | 155 | 28 | 30-φ10.8 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF300 High-Temperature Vacuum Viewing Window | 368.3 (14.50") | 338.1 | 155 | 28 | 32-φ10.8 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF350 High-Temperature Vacuum Viewing Window | 419.1 (16.50") | 388.9 | 155 | 28 | 36-φ10.8 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| CF400 High-Temperature Vacuum Viewing Window | 469.9 (18.50") | 437.9 | 155 | 28 | 40-φ10.8 | 304 | Below 550 | 1*10^-9 Pa | 0.05mpa |
| High-Pressure Quartz Vacuum Viewing Window | |||||||||
| Model | A/mm | B/mm | D/mm | H/mm | n-φd/mm | Materials | Temperature | Degree of vacuum | Positive pressure |
| CF10 High-Pressure Quartz Vacuum Viewing Window | 25 (1.0") | 17.5 | 10 | 6 | 6-φ3.3 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF16 High-Pressure Quartz Vacuum Viewing Window | 34 (1.33") | 27 | 16 | 7.3 | 6-φ4.3 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF20 High-Pressure Quartz Vacuum Viewing Window | 54 (2.12") | 41.3 | 20 | 10.5 | 6-φ6.6 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF25m High-Pressure Quartz Vacuum Viewing Window | 54 (2.12") | 41.3 | 25 | 11.5 | 4-φ6.8 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF25 High-Pressure Quartz Vacuum Viewing Window | 54 (2.12") | 43 | 25 | 10.5 | 6-φ6.6 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF25b High-Pressure Quartz Vacuum Viewing Window | 60 (2.36") | 47 | 25 | 10.5 | 6-φ6.6 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF32 High-Pressure Quartz Vacuum Viewing Window | 70 (2.75") | 54 | 32 | 12 | 6-φ6.6 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF35 High-Pressure Quartz Vacuum Viewing Window | 70 (2.75") | 58.7 | 35 | 13 | 6-φ6.6 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF40 High-Pressure Quartz Vacuum Viewing Window | 70 (2.75") | 58.7 | 40 | 13 | 6-φ6.6 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF50 High-Pressure Quartz Vacuum Viewing Window | 86 (3.38") | 72.4 | 50 | 16 | 8-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF63 High-Pressure Quartz Vacuum Viewing Window | 114 (4.50") | 92.2 | 63 | 17.5 | 8-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF75 High-Pressure Quartz Vacuum Viewing Window | 117.4 (4.62") | 102.3 | 75 | 17.5 | 10-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF80 High-Pressure Quartz Vacuum Viewing Window | 130 (5.12") | 110 | 80 | 18 | 16-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF100 High-Pressure Quartz Vacuum Viewing Window | 152 (6.00") | 130.3 | 100 | 20 | 16-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF125 High-Pressure Quartz Vacuum Viewing Window | 171.5 (6.75") | 151.6 | 125 | 21 | 18-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF150 High-Pressure Quartz Vacuum Viewing Window | 202 (8.00") | 181 | 150 | 22 | 20-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF160 High-Pressure Quartz Vacuum Viewing Window | 203.2 (8.00") | 181 | 160 | 21 | 20-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF200 High-Pressure Quartz Vacuum Viewing Window | 253 (10.00") | 231.8 | 200 | 24.5 | 24-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF250 High-Pressure Quartz Vacuum Viewing Window | 305 (12.00") | 284 | 250 | 26 | 32-φ8.4 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF275 High-Pressure Quartz Vacuum Viewing Window | 336.6 (13.25") | 306.3 | 275 | 28 | 30-φ10.8 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF300 High-Pressure Quartz Vacuum Viewing Window | 368.3 (14.50") | 338.1 | 300 | 28 | 32-φ10.8 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF350 High-Pressure Quartz Vacuum Viewing Window | 419.1 (16.50") | 388.9 | 350 | 28 | 36-φ10.8 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| CF400 High-Pressure Quartz Vacuum Viewing Window | 469.9 (18.50") | 437.9 | 400 | 28 | 40-φ10.8 | 304 | Below 250 | 1×10⁻⁸ Pa | 0.2mpa |
| Ultra-High-Temperature Sapphire Vacuum Viewing Window | |||||||||
| Model | A/mm | B/mm | D/mm | H/mm | n-φd/mm | Materials | Temperature | Degree of vacuum | Positive pressure |
| CF16 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 34 (1.33") | 27 | 14 | 8 | 6-φ4.3 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF20 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 54 (2.12") | 41.3 | 14 | 10.5 | 6-φ6.6 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF25m Ultra-High-Temperature Sapphire Vacuum Viewing Window | 54 (2.12") | 41.3 | 22 | 11.5 | 4-φ6.8 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF25 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 54 (2.12") | 43 | 22 | 11 | 6-φ6.6 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF25b Ultra-High-Temperature Sapphire Vacuum Viewing Window | 60 (2.36") | 47 | 22 | 10.5 | 6-φ6.6 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF32 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 70 (2.75") | 54 | 22 | 12 | 6-φ6.6 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF35 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 70 (2.75") | 58.7 | 34 | 16.5 | 6-φ6.6 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF40 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 70 (2.75") | 58.7 | 34 | 13 | 6-φ6.6 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF50 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 86 (3.38") | 72.4 | 47 | 18 | 8-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF63 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 114 (4.50") | 92.2 | 64 | 20 | 8-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF75 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 117.4 (4.62") | 102.3 | 64 | 17.5 | 10-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF80 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 130 (5.12") | 110 | 82 | 20 | 16-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF100 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 152 (6.00") | 130.3 | 104 | 20 | 16-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF125 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 171.5 (6.75") | 151.6 | 104 | 21 | 18-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF150 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 202 (8.00") | 181 | 155 | 22 | 20-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF160 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 203.2 (8.00") | 181 | 155 | 21 | 20-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF200 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 253 (10.00") | 231.8 | 190 | 27 | 24-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF250 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 305 (12.00") | 284 | 155 | 26 | 32-φ8.4 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF275 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 336.6 (13.25") | 306.3 | 155 | 28 | 30-φ10.8 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF300 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 368.3 (14.50") | 338.1 | 155 | 28 | 32-φ10.8 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF350 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 419.1 (16.50") | 388.9 | 155 | 28 | 36-φ10.8 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| CF400 Ultra-High-Temperature Sapphire Vacuum Viewing Window | 469.9 (18.50") | 437.9 | 155 | 28 | 40-φ10.8 | 304 | Below 610 | 1*10^-9 Pa | 0.05mpa |
| Germanium Optical Vacuum Viewing Window | |||||||||
| Model | A/mm | B/mm | D/mm | H/mm | n-φd/mm | Materials | Temperature | Degree of vacuum | Positive pressure |
| CF10 German Optical Vacuum Viewing Window | 25 (1.0") | 17.5 | 10 | 6 | 6-φ3.3 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF16 Germanium Optical Vacuum Viewing Window | 34 (1.33") | 27 | 16 | 7.3 | 6-φ4.3 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF20 Germanium Optical Vacuum Viewing Window | 54 (2.12") | 41.3 | 20 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF25m Germanium Optical Vacuum Viewing Window | 54 (2.12") | 41.3 | 25 | 11.5 | 4-φ6.8 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF25 Germanium Optical Vacuum Viewing Window | 54 (2.12") | 43 | 25 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF25b Germanium Optical Vacuum Viewing Window | 60 (2.36") | 47 | 25 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF32 Germanium Optical Vacuum Viewing Window | 70 (2.75") | 54 | 32 | 12 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF35 Germanium Optical Vacuum Viewing Window | 70 (2.75") | 58.7 | 35 | 13 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF40 German Optical Vacuum Viewing Window | 70 (2.75") | 58.7 | 40 | 13 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF50 Germanium Optical Vacuum Viewing Window | 86 (3.38") | 72.4 | 50 | 16 | 8-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF63 Germanium Optical Vacuum Viewing Window | 114 (4.50") | 92.2 | 63 | 17.5 | 8-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF75 Germanium Optical Vacuum Viewing Window | 117.4 (4.62") | 102.3 | 75 | 17.5 | 10-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF80 Germanium Optical Vacuum Viewing Window | 130 (5.12") | 110 | 80 | 18 | 16-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF100 Germanium Optical Vacuum Viewing Window | 152 (6.00") | 130.3 | 100 | 20 | 16-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF125 Germanium Optical Vacuum Viewing Window | 171.5 (6.75") | 151.6 | 125 | 21 | 18-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF150 Germanium Optical Vacuum Viewing Window | 202 (8.00") | 181 | 150 | 22 | 20-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF160 Germanium Optical Vacuum Viewing Window | 203.2 (8.00") | 181 | 160 | 21 | 20-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF200 Germanium Optical Vacuum Viewing Window | 253 (10.00") | 231.8 | 200 | 24.5 | 24-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF250 Germanium Optical Vacuum Viewing Window | 305 (12.00") | 284 | 250 | 26 | 32-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF275 Germanium Optical Vacuum Viewing Window | 336.6 (13.25") | 306.3 | 275 | 28 | 30-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF300 Germanium Optical Vacuum Viewing Window | 368.3 (14.50") | 338.1 | 300 | 28 | 32-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF350 Germanium Optical Vacuum Viewing Window | 419.1 (16.50") | 388.9 | 350 | 28 | 36-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| CF400 Germanium Optical Vacuum Viewing Window | 469.9 (18.50") | 437.9 | 400 | 28 | 40-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | 0.2mpa |
| Calcium Fluoride Optical Vacuum Viewing Window | |||||||||
| Model | A/mm | B/mm | D/mm | H/mm | n-φd/mm | Materials | Temperature | Degree of vacuum | No positive pressure |
| CF10 Calcium Fluoride Optical Vacuum Viewing Window | 25 (1.0") | 17.5 | 10 | 6 | 6-φ3.3 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF16 Calcium Fluoride Optical Vacuum Viewing Window | 34 (1.33") | 27 | 16 | 7.3 | 6-φ4.3 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF20 Calcium Fluoride Optical Vacuum Viewing Window | 54 (2.12") | 41.3 | 20 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF25m Calcium Fluoride Optical Vacuum Viewing Window | 54 (2.12") | 41.3 | 25 | 11.5 | 4-φ6.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF25 Calcium Fluoride Optical Vacuum Viewing Window | 54 (2.12") | 43 | 25 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF25b Calcium Fluoride Optical Vacuum Viewing Window | 60 (2.36") | 47 | 25 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF32 Calcium Fluoride Optical Vacuum Viewing Window | 70 (2.75") | 54 | 32 | 12 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF35 Calcium Fluoride Optical Vacuum Viewing Window | 70 (2.75") | 58.7 | 35 | 13 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF40 Calcium Fluoride Optical Vacuum Viewing Window | 70 (2.75") | 58.7 | 40 | 13 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF50 Calcium Fluoride Optical Vacuum Viewing Window | 86 (3.38") | 72.4 | 50 | 16 | 8-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF63 Calcium Fluoride Optical Vacuum Viewing Window | 114 (4.50") | 92.2 | 63 | 17.5 | 8-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF75 Calcium Fluoride Optical Vacuum Viewing Window | 117.4 (4.62") | 102.3 | 75 | 17.5 | 10-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF80 Calcium Fluoride Optical Vacuum Viewing Window | 130 (5.12") | 110 | 80 | 18 | 16-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF100 Calcium Fluoride Optical Vacuum Viewing Window | 152 (6.00") | 130.3 | 100 | 20 | 16-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF125 Calcium Fluoride Optical Vacuum Viewing Window | 171.5 (6.75") | 151.6 | 125 | 21 | 18-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF150 Calcium Fluoride Optical Vacuum Viewing Window | 202 (8.00") | 181 | 150 | 22 | 20-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF160 Calcium Fluoride Optical Vacuum Viewing Window | 203.2 (8.00") | 181 | 160 | 21 | 20-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF200 Calcium Fluoride Optical Vacuum Viewing Window | 253 (10.00") | 231.8 | 200 | 24.5 | 24-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF250 Calcium Fluoride Optical Vacuum Viewing Window | 305 (12.00") | 284 | 250 | 26 | 32-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF275 Calcium Fluoride Optical Vacuum Viewing Window | 336.6 (13.25") | 306.3 | 275 | 28 | 30-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF300 Calcium Fluoride Optical Vacuum Viewing Window | 368.3 (14.50") | 338.1 | 300 | 28 | 32-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF350 Calcium Fluoride Optical Vacuum Viewing Window | 419.1 (16.50") | 388.9 | 350 | 28 | 36-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF400 Calcium Fluoride Optical Vacuum Viewing Window | 469.9 (18.50") | 437.9 | 400 | 28 | 40-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| Zinc Selenide Optical Vacuum Viewing Window | |||||||||
| Model | A/mm | B/mm | D/mm | H/mm | n-φd/mm | Materials | Temperature | Degree of vacuum | No positive pressure |
| CF10 Zinc Selenide Optical Vacuum Viewing Window | 25 (1.0") | 17.5 | 10 | 6 | 6-φ3.3 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF16 Zinc Selenide Optical Vacuum Viewing Window | 34 (1.33") | 27 | 16 | 7.3 | 6-φ4.3 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF20 Zinc Selenide Optical Vacuum Viewing Window | 54 (2.12") | 41.3 | 20 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF25m Zinc Selenide Optical Vacuum Viewing Window | 54 (2.12") | 41.3 | 25 | 11.5 | 4-φ6.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF25 Zinc Selenide Optical Vacuum Viewing Window | 54 (2.12") | 43 | 25 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF25b Zinc Selenide Optical Vacuum Viewing Window | 60 (2.36") | 47 | 25 | 10.5 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF32 Zinc Selenide Optical Vacuum Viewing Window | 70 (2.75") | 54 | 32 | 12 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF35 Zinc Selenide Optical Vacuum Viewing Window | 70 (2.75") | 58.7 | 35 | 13 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF40 Zinc Selenide Optical Vacuum Viewing Window | 70 (2.75") | 58.7 | 40 | 13 | 6-φ6.6 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF50 Zinc Selenide Optical Vacuum Viewing Window | 86 (3.38") | 72.4 | 50 | 16 | 8-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF63 Zinc Selenide Optical Vacuum Viewing Window | 114 (4.50") | 92.2 | 63 | 17.5 | 8-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF75 Zinc Selenide Optical Vacuum Viewing Window | 117.4 (4.62") | 102.3 | 75 | 17.5 | 10-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF80 Zinc Selenide Optical Vacuum Viewing Window | 130 (5.12") | 110 | 80 | 18 | 16-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF100 Zinc Selenide Optical Vacuum Viewing Window | 152 (6.00") | 130.3 | 100 | 20 | 16-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF125 Zinc Selenide Optical Vacuum Viewing Window | 171.5 (6.75") | 151.6 | 125 | 21 | 18-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF150 Zinc Selenide Optical Vacuum Viewing Window | 202 (8.00") | 181 | 150 | 22 | 20-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF160 Zinc Selenide Optical Vacuum Viewing Window | 203.2 (8.00") | 181 | 160 | 21 | 20-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF200 Zinc Selenide Optical Vacuum Viewing Window | 253 (10.00") | 231.8 | 200 | 24.5 | 24-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF250 Zinc Selenide Optical Vacuum Viewing Window | 305 (12.00") | 284 | 250 | 26 | 32-φ8.4 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF275 Zinc Selenide Optical Vacuum Viewing Window | 336.6 (13.25") | 306.3 | 275 | 28 | 30-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF300 Zinc Selenide Optical Vacuum Viewing Window | 368.3 (14.50") | 338.1 | 300 | 28 | 32-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF350 Zinc Selenide Optical Vacuum Viewing Window | 419.1 (16.50") | 388.9 | 350 | 28 | 36-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
| CF400 Zinc Selenide Optical Vacuum Viewing Window | 469.9 (18.50") | 437.9 | 400 | 28 | 40-φ10.8 | 304 | Water cooling available | 1*10^-9 Pa | The lens is too brittle. |
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