REPRESENTATIVE IMAGE

Attributes

Description CF275 UV Grade Fused Silica Viewport
Flange Size 2.75
View Diameter 1.4
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All dimensions are in inches unless otherwise specified.

CF275-ZLVP-Q-UV-1.40

UV Fused Silica Viewport with 2.75 in. (DN 40) ConFlat Flange

$238.00

1 in stock (can be backordered)

Part ID: 9118030
						

Features

  • UV grade fused silica viewport
  • Zero-length profile
  • ConFlat flange
  • UV grade fused silica windows
  • Bakeable to 200°C
  • Non-magnetic materials
  • Excellent transmission for UV to 250nm
  • UHV compatible

Specifications

  • Flange material
    • 316L stainless steel (1.33”)
    • 304L stainless steel (2.75” to 8.00”)
  • Window material: Corning HPFS 7980 Fused Silica or equivalent
  • TWD < 10λ @ 632nm (peak to valley)
  • Parallelism < 30 arc minutes
  • Surface finish: 40/20 scratch-dig
  • Thermal range: -100°C to 200°C
  • Bake-out ramp rate: 20°C per minute
  • Homogeneity grade: F
  • Inclusion class: 2
  • Leak rate < 1 X 10-9 atm-cc/sec He

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Attributes

Description CF275 UV Grade Fused Silica Viewport
Flange Size 2.75
View Diameter 1.4
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All dimensions are in inches unless otherwise specified.