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★Certification Standard for ISO9001 Quality Management System
★ISO14001 Environmental Management System Certification Standard

1

Glass

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Detailed introduction

Parameter	Unit	Data
Diameter	mm	3-800
Diameter tolerance	mm	/-0.01mm@3-100mm; /-0.05mm@100-300mm; /-0.2mm@300-800mm
Thickness tolerance	mm	/-0.01mm
Parallelism	arc minute	<3
Surface Quality		10-5
Surface Figure	λ	λ/20 @ 633nm
Bevel	mm	0.2mm × 45 °
Clear Aperture		90%
Coating		Specified by customers
Material		Optical material such as glass, fused silica, quartz, CaF2, MgF2, BaF2, LiF, ZnSe, ZnS, Ge, Si, etc.