1-800-FLANGE1

Attributes

Description	CF275 Calcium Fluoride (CaF2) Viewport
Flange Size	2.75
View Diameter	0.9
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Drawing	Login

CF275-ZLVP-CAF2-0.90

CF275 CaF2 Viewport

$730.00

Available on backorder

Part ID: 9118063

Description

Calcium fluoride (CaF2) viewport
UHV rated vacuum optics
0.90″ view diameter
2.75″ ConFlat flange
Vacuum-optics with calcium fluoride window
Bakeable to 200°C
Stainless steel housing and flange
UHV compatible

Specifications

Flange material: 304 stainless steel
Window material: Single crystal calcium fluoride
TWD < λ/4 @ 632nm (peak to valley)
Parallelism: < 3 arc minutes
Surface finish: 20/10 scratch-dig
Thermal range: -100°C to 200°C
Bake-out ramp rate: 20°C per minute
Leak rate < 1 X 10^-9 atm-cc/sec He

Accordion #1

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Accordion #2

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