A spherical elastic body with abrasive grains forms parallel grooves on curved lens surfaces for uniform polarizing dye deposition.
A disc restoration device uses rotating pads and a water supply to clean abrasive compound automatically between cycles.
Reference contours transfer defined poses to curved spectacle lenses, eliminating time-consuming tactile sensing during laser engraving.
A carrier device protects lens surfaces and edges during machining using a releasable connecting member.
A sub-surface referencing element embedded between optical faces enables accurate lens alignment during manufacturing.
Radial holes in the polishing film use centrifugal force to transport agents, preventing film lift-off during optical surface processing.
A polishing tool with an elastic substructure maintains constant contact pressure against curved lens surfaces during rotation.
Variable thickness elastic bodies ensure homogeneous pressure distribution across free-form spectacle lens surfaces.
A glass plate polishing monitoring system measures electric current at specific locations to track the process state.
A metal mirror coating uses ion beam sputtering to modify shape defects and achieve ultra-low surface roughness.