Microstructures etched in glass and filled
- illuminated reticles for telescopic sight and other optical sights
- minimum feature size of usable illuminated etch and fill structures is 5µm
- also combined with chrome pattern
- chrome cover of the etch and fill pattern to avoid stray light towards the objective lens is available as an option
Etch and Fill Process
masking of the pattern
etching of glass with hydrofluoric acid
removal of the mask and filling of the structures with special white paint
The filled structures can be illuminated from the side by using an LED and will scatter the light toward the eye of the viewer.
The etch and fill pattern can be combined with chrome pattern.