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  1. rhytrr

    hard anodize over chem film/alodine?

    Thanks, William. I may be able to figure out a way of having only the flange alodined last. Still would need to mask it, even if it wasn't dipped. But the coating combination (hard anodize body, alodine flange) would be ideal. Thanks for the website link, very informative. Thanks to all for...
  2. rhytrr

    hard anodize over chem film/alodine?

    Thanks, guys. From a protection perspective, I agree with your order, anodize 1st and alodine over. My customer's concern is that the alodine over hard anodize will alter the IR reflectance of the hard anodize surface. We bead blast to remove any real specular surfaces, then hard anodize flat...
  3. rhytrr

    hard anodize over chem film/alodine?

    Well, the part is masked after alodining, such that only the high wear and IR sensitive surfaces will get the hard anodize. The rest of the surfaces will only receive the alodining. The thought here was that if you only bead blast and anodize where indicated, the rest of the surfaces would be...
  4. rhytrr

    hard anodize over chem film/alodine?

    I just read a thread on the issues of applying alodine over hard anodization of 7075 Al Alloy. My issue is just the reverse, applying a hard anodize finish over alodine (chem film). Material is a cast Al Alloy A356 T6. Would like to hear anyone's thoughts on the following spec... "10...
  5. rhytrr

    ZEMAX questions

    Most, but not all. Optical fiber bundles are not adequately described there. Besides, I do believe that there should be vital Zemax users group discussion outside of the domain of the company. No complaints about Zemax, but I've seen the benefit of having and participating in these groups.
  6. rhytrr

    Fiber bundle

    Hi, I am trying to use Zemax to raytrace light emanating from a fiberoptic bundle (3 mm dia, NA = 0.27, each fiber 10 um dia). Anyone ever set up this prescription in Zemax? Appreciate any tips. Thanks, rhytrr

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