Re: direct printing PCBs

This guy uses a 100W laser: http://www.nilno.com/laser_intro/index.html

Home built CO2 lasers have an expected output from 20 to 60W but can
be built to produce 100W:
http://www.repairfaq.org/sam/lasercc2.htm#cc2cc22

Most of the guides I read say you can cut 20-30 mil stainless with
100W, just not exceptionally fast.

On 8/16/06, Graham Stabler <eexgs@...> wrote:
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Dennis Schmitz"
> <denschmitz@...> wrote:
>
> > If you're cutting sheet metal, a CO2 laser isn't too hard to build
> > from scratch, although you may end up in the glass blowing business.
>
> Not true. A CO2 laser is indeed not too difficult to scratch build but
> metal cutting requires considerably more power than any homebuilt I
> have seen. The 400W ferranti laser I had a look at was the nearest
> thing to a homebrewable metal cutting laser I have seen and it was
> huge and the power supply was even huger.
>
> Forget it for metals.
>
> Graham
>
>
>
>
>
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
>
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...,
> timg@...
> Moderator: pentam@... indigo_red@... davemucha@...
> [Moderators]
> URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
>
> OFF Topic POSTS: General Machining
> If you wish to post on unlimited OT subjects goto:
> aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
> you have trouble.
> http://www.metalworking.com/news_servers.html
>
> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
> sister site to the CCED group, as many of the same members are there, for OT
> subjects, that are not allowed on the CCED list.
>
> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
> DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
> bill
> List Mom
> List Owner
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>