Sapphire vacuum viewport welded using patented dissimilar material welding technology.
Htc Technology provides vacuum viewports made with sapphire window material, ensuring excellent optical quality. The product achieves a light transmission rate of over 80%. By using patented dissimilar material welding technology, stainless steel and sapphire are welded together, resulting in good vacuum tightness. The product does not use magnetic materials such as Kovar, so there is no risk of altering surrounding magnetic field lines.
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basic information
Product Features ◎ The window material uses sapphire, resulting in good light transmittance. ◎ A patented welding method is used to weld dissimilar stainless steel and sapphire. ◎ Since magnetic materials such as Kovar are not used, there is no impact on the surrounding magnetic field. ◎ It has a stable transmittance over a wide wavelength range. Product Specifications 1. Vacuum level: 1x10-10 torr 2. Allowable temperature: -100℃ to 500℃ 3. Transmittance: over 80% 4. Wavelength range: 200nm to 4800nm 5. Flange material: 304S.S. or 316S.S. 6. Flange connection: KF or CF 7. Magnetism: None
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Applications/Examples of results
Vacuum heat treatment, vacuum film deposition equipment, semiconductor equipment, optical coating equipment.
Company information
Nihon Yoko Technology has manufacturing plants in both Taiwan and Shanghai. With a core of vacuum experience accumulated over many years, Nihon Yoko Technology possesses a complete production manufacturing system and adheres strictly to careful quality management systems. To meet the diverse needs of customers, we are equipped with comprehensive facilities and maintenance services. We satisfy customer demands with high-quality manufacturing technology, prompt delivery, and effective integration capabilities. From vacuum components to vacuum chamber manufacturing and assembly, and further to the integration of high-level vacuum systems, our company fully utilizes manufacturing resources in both Taiwan and Shanghai to provide maximum service to our customers.
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