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Added capibilites going from 7w to 20w, 355nm YAG laser

Electronics Forum | Wed Dec 17 08:47:18 EST 2014 | cloughley

What are the added capabilites going from 7w to 20w, 355nm YAG laser I wanted to know what the added capabilities we now have are going from a 7w to 20w, 355nm YAG laser. Currently we support the following materials: http://www.bestlaser.net/mater

Laser Soldering

Electronics Forum | Thu Jul 29 13:19:45 EDT 1999 | Erick Russell

Does anyone out there have any experience with laser soldering? I have heard that there are special formulations of paste specific for YAG soldering of PCB's. I am having good luck with BGA, uBGA, and QFPs but I want to improve the process. Any su

Bar Coding - auto print and apply solutions

Electronics Forum | Thu Mar 08 02:04:50 EST 2007 | AR

I agree with John S., laser is definitely the way to go. More flexible and maintenance-free than applying printed labels. John S., are you using Yag or CO2? rgds AR

Bar Coding - auto print and apply solutions

Electronics Forum | Tue Mar 20 15:59:15 EDT 2007 | blnorman

We use preprinted labels and laser coding. For PCB we laser mark with CO2 (NdYAG for the aluminum heat spreaders). We either have an epoxy legend to burn out or we burn the solder mask to expose the copper ground plane underneath. Laser is a much

Re: Rework

Electronics Forum | Thu Mar 09 10:13:40 EST 2000 | Erick Russell

Hi Casey, I accept your BOLD Rework challenge. Considering you did not say what the TEST was. Let's base it on speed, thermal uniformity, and process repeatability. I have sample boards that I will take to APEX with Back to Back BGAs. Does anyone wa

Re: Rework

Electronics Forum | Thu Mar 09 10:13:40 EST 2000 | Erick Russell

Hi Casey, I accept your BOLD Rework challenge. Considering you did not say what the TEST was. Let's base it on speed, thermal uniformity, and process repeatability. I have sample boards that I will take to APEX with Back to Back BGAs. Does anyone wa

pcb laser markers

Electronics Forum | Mon Jul 12 14:00:37 EDT 2004 | blnorman

We've been using lasers to mark barcodes on our boards for some time now. We use a CO2 laser to burn through the solder mask on most of our boards. The machine is enclosed so the operators aren't exposed to the laser. The laser is also mounted on

Really Need Electroplishing of SMT Stencils?

Electronics Forum | Tue Jan 26 10:26:54 EST 2010 | bandjwet

Dear SMTNetters: Based on your experiences is it really necessary to have today's YAG laser-fabricated stencils electropolished? I undertsand that this "requirement" is a carry-over from the days of CO2-fabricated lasers where the hole wall quality

Underscreen cleaning cycles

Electronics Forum | Thu May 17 09:01:01 EDT 2012 | scottp

I'm not sure why anyone would pay extra for FG (fine grain) stencils. I've run studies comparing traditional YAG laser, fiber laser, and E-form stencils with regular stainless, FG, and nickel foils. YAG is the worse and should only be used for pret

Reduce PCB pad area on fabricated boards

Electronics Forum | Sun Oct 27 10:22:43 EDT 2013 | davef

UV Nd:YAG Laser--> Excimer Laser: An increase in system capabilities & ablation quality * CO2 Laser-->UV Nd:YAG Laser--> Excimer Laser: A decrease in processing speed and relative increase in manufacturing cost Laser ablation equipment suppliers: *


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