2" Corning ULE (Ultra Low Expansion Glass) 7972 Wafer, 0.35mm Thickness, DSP

Corning ULE 7972 Glass is a titania silicate glass with unique characteristics that have made it the material of choice in applications ranging from machine tool reference blocks to solid and lightweight mirror blanks for large astronomical telescopes and space satellite applications. It is formed as 1.5-meter boules from which virtually any size or shape product can be made.

Order 2" Corning ULE 7972 wafers with the best price on the market from a trusted materials science supplier, MSE Supplies.

Custom made Corning ULE 7972 wafers, windows and substrates are available upon request. Please contact us for a quote.
JGS1/JGS2 Fused Silica wafers, windows and substrates are also available and can be custom made. Please contact us for a quote.

Product Number: WA1110

Material: Titania silicate glass

Grade: Corning ULE 7972

Diameter: 50.8 +/- 0.2mm

Thickness: 0.35 +/- 0.025mm

Primary Flat: No flat

Surface Polishing: Double Side Polished (DSP) with surface roughness Ra < 1nm on both the top surface and bottom surface

Surface Finish: S/D 40/20

TTV: < 5 um

Unique properties:

Mean Linear Coefficient of Thermal Expansion: 0 ± 30 ppb/°C (5°C - 35°C)
Excellent long term dimensional stability is exhibited at room temperature

Single Crystal Quartz Wafers and Substrates are also available.

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