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Due to current conditions some prices may have changed!
Please call 800-227-8059 or 530-273-4135 for a firm quote, press "4" for Customer service

With our ongoing committment to quality some
specifications and appearance of items subject to change.
Please confirm your requirements with us.
Our NEW Catalog is here!
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To request your copy on CD or a printed version please CLICK HERE

Sapphire Viewports


Part # drawing Fig.Flange
dim. O
Thickness Tg
Price Quantity Cart
VPS-075 fig. 1CF 1331.060.500.590.0620.5
VPS-100 fig. 2CF 2752.310.500.940.0801
VPS-200 fig. 2CF 4503.630.681.940.0941.5

  Common Specifications
Pressure Range ATM 1x10-11 Torr
Bakeout Temperature 450C
Window to Sleeve Construction Kovar Sleeve
Materials: Window Standard Grade Single Crystal AL2O3
Materials: Sleeve Type 304 SST
Materials: SST Flange Type 304 SST
Huntington sapphire viewports, available in both standard and custom designs, are offered for use in applications where a wide range of light transmission is necessary. The useful transmission range is from 0.25 to 5.5 microns. Polished single crystal sapphire blanks metabolized and brazed to Kovar sleeves allow for repeated high-temperature bakeout and ultrahigh vacuum performance.

all prices and specifications subject to change without notice

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