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  1. funding

    What sort of Nickel coating is used here?

    Hi all, I have a Copper part which is Nickel coated from outside. Does anybody has any clue what method of Nickel coating was used here - see attached photos. The layer is very thin, edge lift is not seen even under microscope. Might be few micron or less. Also strangely internal bores are not...
  2. funding

    need optical designer advise

    "Couple of lenses" sounds very promising. Produce them possibly is not that complicated also if glasses are not so exotic. Coatings is not a problem for me at all (it is not broadband). Just design costs of ~$20K a bit terrible. Is there really that much work? For experienced Zemax designer few...
  3. funding

    need optical designer advise

    Looking for expert advise on such idea: how complicated would be to design monochromatic microscope objective similar to Mitutoyo 100x LWD NUV (original done for 4 wavelengths), but working only on single single wave length to make it cheaper. The original costs $7500 and my idea i to use only...
  4. funding

    Capacitors for GE 60Hz rated motor on 50Hz

    I have to use 60Hz rated motor in Europe on 230/50Hz power, but it hardly starts(sometimes not at all). Plus heats quickly. I think this is frequency issue and canging capacitors might help. I've searched the net but can not find any info how to calculate required capacitance for 1 phase AC...

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