Electronics > Projects, Designs, and Technical Stuff
[Recommendations]How much power do I need to laser cut copper
LaserSteve:
Just send it out to someone like Potomac Photonics... Its a precision laser job shop near DC.
There are a couple of used laser dealers in the US. I'll send you a PM in the morning. I don't feel like broadcasting my sources world wide.
Edit, they changed their name:
http://www.potomac-laser.com/
Last time I needed something for academic work, I told them it was a student project, the cost suddenly became very reasonable.
Steve
LaserSteve:
Potomac is a huge company that signs NDAs. In the US, violating your NDA, especially one tied to academic research, is corporate financial suicide. Given a large portion of their work is secret defense work or a medical device, they will have insurance and procedures against such disclosures. Look who their client list is. They did not get that big by violating an NDA.
You don't have to tell them what they are working on. You would have to inform them if the substrate or film is hazardous like Beryllium Oxide or similar. The employee who runs the laser cutter need not even know what he is working on, just any standard procedures for protecting your device.
Your process will not end up on Facebook. :)
Steve
brainstorm:
@matseng, @iconicpcb or others that mentioned LPKF:
https://youtu.be/PhH05jNyjCk?t=33
I wonder which type of UV lasers/power/pulsing do they use and if they could be sourced somehow in 2019?
IconicPCB:
That laser is great for processing RF structures...otherwise it is of questionable utility.
The video shows the laser structuring component and hole pads.
In real life holes are drilled first, then they are activated and the laminate is then plated to deposit copper onto the hole walls.
Etching the copper off prior to hole wall activation is utterly impractical.
If however the hole walls are activated and holes plated then the copper on top and bottom surface becomes thicker possibly making it difficult to remove thicker copper.
Say a 2 ounce board is to be fabricated for a power electronics application.... I dont think so.
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