Glass viewports are an economical, practical and common solution for vacuum observation ports. Glass viewports are typically sealed to low expansion nickel-iron alloys or 300 series stainless steel metal sleeves using the latest in glass-to-metal bonding technology. The material in MDC Precision glass viewports is Corning 7056 glass, the most commonly used vacuum window material in the industry.
Specifications
Zero-length offers greater distortion-free view area
>90% Transmission from 360nm to 2300nm
CF and weld mount bakeable to 400°C, 10°C/Min gradient
ISO Kwik-Flange® and Large Flanges bakeable to 200°C, 10°C/Min gradient
Optional AR Coatings available
Features
Corning type 7056 (Borosilicate) glass
Versatile general purpose viewports for HV and UHV
Bakeable to 400°C with good resistance to thermal shock
Non-magnetic option with 316LN materials available on request
