Have you spoken with your tooling supplier to investigate other possible remedies to the sink? It may be a modification of tooling parameters or the tool design itself that needs to be looked at. PC should be a good material for lenses.
Have you spoken with your tooling supplier to investigate other possible remedies to the sink? It may be a modification of tooling parameters or the tool design itself that needs to be looked at. PC should be a good material for lenses.