Yahoo Groups archive

Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: [Homebrew_PCBs] Re: Cheap UV laser?

2005-10-17 by cristian

>Why do you need a laser? A UV LED with a collimating lens should be
 >sufficient. You don't need coherent light, and the only advantage then to a
 >laser is the smaller beam divergence initially.

Right, but where to find the Collimator?
The 250mW UV led is 6 x 6 mm and the necessary collimated beam has to be of 
0.0254mm diam.
Any solution here?
Cristian




Be sure to visit the group home and check for new Links, Files, and Photos:
http://groups.yahoo.com/group/Homebrew_PCBs

If Files or Photos are running short of space, post them here:
http://groups.yahoo.com/group/Homebrew_PCBs_Archives/
Yahoo! Groups Links

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.