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UV-C operation at 255nm

Daniel Ratner
Prodigy 30 points

Hi,

I'm interested in modifying a DMD to work at 255nm.  I'm aware that TI does not fabricate such a device, but that there are third party vendors who offer modifications. However, we have high intensities, and I'm concerned about DMD lifetime  I see that a TI-lead study concluded that new manufacturing process increased the DMD lifetime: www.dlinnovations.com/.../Advances-in-UV-Applications-Reliability-Below-320nm.pdf

Is this process in current use? Is this the expected lifetime for currently available DMDs?

Thanks!

-daniel

p.s. Why are there ants walking on your DMDs? ;)

  • 0
    TI__Guru 54175 points

    Hello Daniel,

    Thank you for your interest in DLP technology.  The work done in the paper you referece was leading edge at the time, but TI decided that it was not sufficient to make a qualified product that consistently performs at the wavelengths that you are investigating.

    The current devices that we have are limited to the UVA only and are available at this time only through our TI DLP Design Partners.  <-- click on the link

    Fizix

  • 0 in reply to Fizix
    Prodigy 30 points

    Hi Fizix,

    Thanks for the quick response. Yes, I'm aware that TI does not offer a UV-C product.  My question is whether the current available CHIP (since obviously the window was different) is the same one that was tested in this paper.  Is that true, or is the chip different as well?  Thanks.

    -daniel

  • 0 in reply to Daniel Ratner
    TI__Guru 54175 points

    Daniel,

    Further improvements were made for the UV-A, but no further testing in the UV-C range has been performed, so that I am unable to meaningfully answer your question as to whether the chip will perform the same, better or worse in the UV-C.

    I wish I had more information for you, but that is all I am able to provide.

    Fizix