Hi Chris,

you may try using crystal bond which is a sort of low temperature adhesive.
the bond material melts at about 80 degrees and once it cools down to room
temperature it produces a very good bond. if your structures are not
subjected to any large loads, then you may consider this option.

- Prasanna

On Sun, Oct 4, 2009 at 10:07 PM, Christian Engel wrote:

> Hi guys,
>
> actually we are trying to stick two glasses, each with a thickness of about
> 225nm, together by using an UV-sensitive glue. Because of its optical
> properties we use the OP29 from DYMAX.
>
> Within our process we have to align the glasses, which have been structured
> and etched before. For this we utilize a flip-chip bonder. Once aligned the
> glue between the glasses, which has been applied before, has to be cured by
> using some kind of UV-source. Since our bonder doesn't provide this
> feauture
> we are currently looking for an alternative. That means: we have to find
> something that emits enough UV-power for curing the glue while the glasses
> are held together within the bonder considering a small distance of about
> 10-20cm (bonded glasses to UV-source). We tried to use a triple CREE 1W
> UV-Led as a flood UV-source without success. I appreciate any helpful
> proposals. Unfortunately our limited budget doesn't allow too much so we
> can't upgrade our mask-aligner for realizing this kind of process :)
> (Perhaps it's also imaginable to use another glue?)
>
> Thanks a lot and best regards, Chris
>

--
Thanks & Regards,
Prasanna Srinivasan