Hi Walter Could you elaborate a little bit on the "micro/photo machining technology"? Do you achieve smooth side wall profile using that kind of tech? Thanks Best Leo On 9/1/06, walter essingerwrote: > Greetings, > did you consider micro/photo machining technology? > the 50 M is no problem 200 M is a bit of a challenge.. > for more info you can contact me > engineering@elume.com > kind regards > walter >