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Did a tqfp32 with just random traces and a 0805 with a trace running under it just to see. Seems at this scale the oval shape of the dot is an issue as my vertical lines are thicker than my horizontal lines. But I think with a little more tweaking it should be possible to do 0.8mm pitch on...

Already applied teflon tape as suggested in one of the many threads I've combed through here. It made it a lot smoother, but not realy any easier to fine adjust. This seems to be the limit with the current setup, its a lot better already, but I think I will try to buy a new laser module and...

There has been *a lot* of unetched photoresist washed away, so its not quite the first run :D But yeah, seems most parameter except the beam size/sharpness is under control now. And this is "good enough" to get most of the pending projects done while I try to figure out the beam stuff.

First etch! SOP to DIP adapter, looks like there is potential. Soldemask was a failure, but I think it should be doable. Traces still came out too thick, and I think the laser dot is quite oval seeing tracks seem thicker in one direction than the other.

Getting the focus right seems to the biggest issue - not sure what to do to get "more resolution" on the adjusting of the focus to enable optimal spot size and sharpness The g-code used for testing doesn't have drill holes for now; leaning towards maybe drilling on the cnc router - but I also...

The laser engraver as a while is a 2.5W "benbox" thing from Banggood.com (although would not reccomend them due to lacking customer service, 2 months and they still haven't replaced the DOA laser module) 2.5W Desktop DIY Violet Laser Engraver Engraving Machine Picture CNC Printer Assembling Kits...

Slow progress as with most of my projects. In a weak moment I purchased a cheap Chinese laser engraver, which I've had plenty time to regret and try to get usable. In any case I've made some exposures on both cheap UV soldermask, and photosensitive PCBs and trying to tweak feeds, and power...

While waiting for my 3D printer I'm thinking I'll do some research into making a laser plotter to cure UV paint to form solder mask and silk screen layers on PCBs and maybe also expose a photosensitive film for PCB manufacture. I've read up a bit already and there seems to be people doing this...