The terms vacuum window, hermetic windows, vacuum viewports, hermetically sealed viewports are often used interchangeably in vacuum and hermetically sealed industries. Complete Hermetics offer customized High Vacuum Viewports for optical, laser, and infrared applications. We can produce custom hermetic windows almost any size and shape to meet your requirements, as well as MIL-O-13830 standard that maintain high level of hermeticity under extremely environment conditions in defense, space, laser designation systems and medical endoscopic fields.

Window Materials:

Sapphire, Fused Silica, Glass, Magnesium Fluoride, Zinc Selenide

Flange Materials:

S. STL (CF, NW), Kovar, Titanium, Aluminum, etc.

General Specifications:

  • Leaking rate: <1×10-9 Atm*cc/sec HE
  • -100°C up to 450° C maximum bakeout temperature
  • Optical standard compliant with MIL-PRF-13830
Vacuum Viewports II
Vacuum Viewports