ZERODUR, SPQ EC1 12.7MM Ø X 6.35MM- PLANO/PLANO, S1 - S/D:40/20, FLATNESS:λ/4, C.A.=80%, S2 - FINE GROUND

ZERODUR, SPQ EC1 12.7mm Ø X 6.35mm
Material: Zerodur, Special Quality, Expansion Class 1
Diameter: 12.7mm +0.00/-.1mm
Thickness: 6.35mm ±.5mm
Plano/Plano Substrate
Side 1:
-Surface Quality: 40/20
-Flatness: 1/4 wave
-C.A. = 80%
Side 2:
-Fine Ground
All edges and bevels commerial polish
Wedge: 2 minute