Bishwanath Photo Engraving Works
Product Description :
Components & Assemblies Types: Flat, curved, compensators; loose and bonded or cemented to metal parts and sealed in housings.
Component Sizes: 1/8 inch to 10 inch diameter and other configurations.
Power 8s Irregularities: Flat up to 1/10 fringe before and after bonding, curved up to 1/4 fringe.
Parallelism: Up to 2 seconds of arc, components and bonded assemblies to reference.
Resolution: Up to 2 seconds of arc for full usable aperture. • Surface Quality: Up to 10-5 scratch and dig per surface quality standards.
Coating: Single layer, multi-layer, laser, narrow band pass, wide band pass, polarizing, beam-splitter, dichroic.
Testing: Mil-o-13830, Mil-c-g75, Mil-c-48497, Mil-f-21424, Mil-f-48616, Mil-std-810.
